Affiliations
Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
Email
Beu8@cdc.gov.
Given name(s)
Arjun
Family name
Srinivasan
Degrees
MD

Moving antibiotic stewardship from theory to practice

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We both attend on the Infectious Disease consult team in Veterans Affairs (VA) Hospitals, and predictably the conversation on afternoon rounds often revolves around antibiotics. When we have those discussions, our focus is not on a need to “preserve antibiotics” so they might be available to some unknown patient in the future. Rather, we are working with the primary team to provide the very best treatment for the patient entrusted to our care in the bed right in front of us. We believe it is in this context—providing optimal patient care—that the current efforts in the United States to improve antibiotic use should be viewed.

The growing challenges posed by antibiotic-resistant infections and the related threat of Clostridium difficile infection combine to sicken more than 2 million people each year and contribute to the deaths of more than 25,000 patients.1 Improving antibiotic use through antibiotic stewardship is often proposed to hospitalists as an important part of stemming this tide. While this is true, even as infectious disease specialists with strong interests in antimicrobial stewardship we do not find that pitch compelling when we are on clinical service.

What motivates us to optimize antibiotic use for our patients is the evidence that doing so will have direct and immediate benefits to the patients under our care. Improving antibiotic use has been proven to decrease a patient’s risk of acquiring C. difficile infection or an antibiotic-resistant infection not at some ill-defined time in the future, but during their current hospital stay.2,3 Even more important, support from antibiotic stewardship programs has been proven to improve infection cure rates and reduce the risk of treatment failure for hospitalized patients.4 The bottom line of antibiotic stewardship is better patient care. Sometimes that means narrowing or stopping antibiotics to reduce the risks of adverse events. In other cases, like in the treatment of suspected sepsis, it means ensuring patients get broad spectrum antibiotics quickly.

The patient care benefits of improving antibiotic use led the Centers for Disease Control and Prevention (CDC) to issue a call in 2014 for all hospitals to have antibiotic stewardship programs, and to the development of The Core Elements of Hospital Antibiotic Stewardship Programs to support that effort. As of January 1, 2017, antibiotic stewardship programs that incorporate all the CDC core elements became an accreditation requirement of The Joint Commission, and the Centers for Medicare and Medicaid Services has proposed making the same requirement of all hospitals that participate in their payment programs.

This means the question is no longer whether we should have antibiotic stewardship efforts in hospitals, but how we can do this most effectively. As the physicians who provide the most care in hospitals, hospitalists are best positioned to turn stewardship theories into practice. The article from Graber et al.5 in this issue of the Journal of Hospital Medicine provides some important information that can help busy hospitalists incorporate stewardship into daily practice. The authors reviewed their experience with implementing stewardship efforts in VA hospitals to see which specific interventions were most likely to translate into improved antibiotic use. Based on their findings, we offer some suggestions for three conditions: pneumonia, urinary tract infection (UTI), and skin and soft tissue infection (SSTI). Together, these conditions drive roughly two-thirds of all antibiotic use in US hospitals.6

STEWARDSHIP IN PRACTICE: PNEUMONIA

The literature on treatment of pneumonia is increasingly demonstrating that shorter use of antibiotics is often better.7 Even though current guidelines recommend 5 to 7 days of antibiotics for uncomplicated community-acquired pneumonia, average durations of therapy are often longer.8 Previous work published in the Journal of Hospital Medicine focused on improving antimicrobial documentation as well as access to local clinical guidelines and implementing a 72-hour antimicrobial “time out” by hospitalists.9 When these multimodal interventions tailored for hospitalists were in place, utilization of antibiotics improved. Graber et al.5 also found that facility educational programs for prudent antimicrobial use and frequency of de-escalation review were associated with decreased overall antimicrobial use. Providing vague recommendations on antibiotic course, or none at all, at discharge or sign-out can lead to unnecessary antibiotics or an extended course of them. Pneumonia-specific interventions could target duration by outlining antibiotic course in hospitalist progress notes and at hand-off.

 

 

STEWARDSHIP IN PRACTICE: UTI

Misuse of antibiotics in UTI often stems from overtreatment of asymptomatic bacteriuria or unneeded diagnostic testing. Often, the pivotal step in avoiding unnecessary treatment lies in the ordering of the urine culture.10 Graber et al.5 showed that order sets were associated with decreased antimicrobial use. In the case of UTI, hospitalists could work with the stewardship team to design order sets that guide providers to appropriate reasons for ordering a urine culture. Order sets could also help providers recognize important patient-specific risks for certain antibiotics, such as the risk of C. difficile with fluoroquinolones in an elderly patient. Targeting different steps in overutilization of antibiotics would encompass more prescribers and could lead to reducing other unnecessary testing, which is a current focus for many hospitalists.

STEWARDSHIP IN PRACTICE: SSTI

Skin and soft tissue infections (SSTI) also offer a specific disease state to use order sets and education to improve duration of antibiotics, decrease overuse of broad spectrum antibiotics, and reduce unnecessary diagnostic studies. For example, gram negative and/or anaerobic coverage are rarely indicated in treating SSTIs but are often used. SSTI-specific order sets and guidelines have already been shown to improve both diagnostic work-up and antibiotic treatment.11 As the providers who manage most of these infections in hospitals, hospitalists are ideally positioned to inform the development of SSTI order sets and pathways. The work by Graber et al.5 provides some important insights into how we can effectively implement interventions to improve antibiotic use. These insights have never been more important as more hospitals move toward starting or expanding antibiotic stewardship programs. As leaders in patient safety and quality, and as the most important antibiotic prescribers in hospitals, hospitalists must play a central role in stewardship if we are to make meaningful progress.

Disclosure

Nothing to report.

 

References

1. Centers for Disease Control and Prevention. Antibiotic Resistance Threats in the United States, 2013. https://www.cdc.gov/drugresistance/pdf/ar-threats-2013-508.pdf. Accessed April 12, 2017.
2. Feazel LM, Malhotra A, Perencevich EN, Kaboli P, Diekema DJ, Schweizer ML. Effect of antibiotic stewardship programmes on Clostridium difficile incidence: a systematic review and meta-analysis. J Antimicrob Chemother. 2014;69(7):1748-1754. PubMed
3. Singh N, Rogers P, Atwood CW, Wagener MM, Yu VL. Short-course empiric antibiotic therapy for patients with pulmonary infiltrates in the intensive care unit. A proposed solution for indiscriminate antibiotic prescription. Am J Respir Crit Care Med. 2000;162(2 Pt 1):505-511. PubMed
4. Fishman N. Antimicrobial stewardship. Am J Med. 2006;119(6 Suppl 1):S53-S61; discussion S62-S70. PubMed
5. Graber CJ, Jones MM, Chou AF, et al. Association of inpatient antimicrobial utilization measures with antimicrobial stewardship activities and facility characteristics of Veterans Affairs medical centers. J Hosp Med. 2017;12:301-309. PubMed
6. Magill SS, Edwards JR, Beldavs ZG, et al. Prevalence of antimicrobial use in US acute care hospitals, May-September 2011. JAMA. 2014;312(14):1438-1446. PubMed
7. Viasus D, Vecino-Moreno M, De La Hoz JM, Carratala J. Antibiotic stewardship in community-acquired pneumonia. Expert Rev Anti Infect Ther. 2016:1-2019. PubMed
8. Avdic E, Cushinotto LA, Hughes AH, et al. Impact of an antimicrobial stewardship intervention on shortening the duration of therapy for community-acquired pneumonia. Clin Infect Dis. 2012;54(11):1581-1587. PubMed
9. Mack MR, Rohde JM, Jacobsen D, et al. Engaging hospitalists in antimicrobial stewardship: Lessons from a multihospital collaborative. J Hosp Med. 2016;11(8):576-580. PubMed
10. Trautner BW, Grigoryan L, Petersen NJ, et al. Effectiveness of an Antimicrobial Stewardship Approach for Urinary Catheter-Associated Asymptomatic Bacteriuria. JAMA Intern Med. 2015;175(7):1120-1127. PubMed
11. Jenkins TC, Knepper BC, Sabel AL, et al. Decreased antibiotic utilization after implementation of a guideline for inpatient cellulitis and cutaneous abscess. Arch Intern Med. 2011;171(12):1072-1079. PubMed

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We both attend on the Infectious Disease consult team in Veterans Affairs (VA) Hospitals, and predictably the conversation on afternoon rounds often revolves around antibiotics. When we have those discussions, our focus is not on a need to “preserve antibiotics” so they might be available to some unknown patient in the future. Rather, we are working with the primary team to provide the very best treatment for the patient entrusted to our care in the bed right in front of us. We believe it is in this context—providing optimal patient care—that the current efforts in the United States to improve antibiotic use should be viewed.

The growing challenges posed by antibiotic-resistant infections and the related threat of Clostridium difficile infection combine to sicken more than 2 million people each year and contribute to the deaths of more than 25,000 patients.1 Improving antibiotic use through antibiotic stewardship is often proposed to hospitalists as an important part of stemming this tide. While this is true, even as infectious disease specialists with strong interests in antimicrobial stewardship we do not find that pitch compelling when we are on clinical service.

What motivates us to optimize antibiotic use for our patients is the evidence that doing so will have direct and immediate benefits to the patients under our care. Improving antibiotic use has been proven to decrease a patient’s risk of acquiring C. difficile infection or an antibiotic-resistant infection not at some ill-defined time in the future, but during their current hospital stay.2,3 Even more important, support from antibiotic stewardship programs has been proven to improve infection cure rates and reduce the risk of treatment failure for hospitalized patients.4 The bottom line of antibiotic stewardship is better patient care. Sometimes that means narrowing or stopping antibiotics to reduce the risks of adverse events. In other cases, like in the treatment of suspected sepsis, it means ensuring patients get broad spectrum antibiotics quickly.

The patient care benefits of improving antibiotic use led the Centers for Disease Control and Prevention (CDC) to issue a call in 2014 for all hospitals to have antibiotic stewardship programs, and to the development of The Core Elements of Hospital Antibiotic Stewardship Programs to support that effort. As of January 1, 2017, antibiotic stewardship programs that incorporate all the CDC core elements became an accreditation requirement of The Joint Commission, and the Centers for Medicare and Medicaid Services has proposed making the same requirement of all hospitals that participate in their payment programs.

This means the question is no longer whether we should have antibiotic stewardship efforts in hospitals, but how we can do this most effectively. As the physicians who provide the most care in hospitals, hospitalists are best positioned to turn stewardship theories into practice. The article from Graber et al.5 in this issue of the Journal of Hospital Medicine provides some important information that can help busy hospitalists incorporate stewardship into daily practice. The authors reviewed their experience with implementing stewardship efforts in VA hospitals to see which specific interventions were most likely to translate into improved antibiotic use. Based on their findings, we offer some suggestions for three conditions: pneumonia, urinary tract infection (UTI), and skin and soft tissue infection (SSTI). Together, these conditions drive roughly two-thirds of all antibiotic use in US hospitals.6

STEWARDSHIP IN PRACTICE: PNEUMONIA

The literature on treatment of pneumonia is increasingly demonstrating that shorter use of antibiotics is often better.7 Even though current guidelines recommend 5 to 7 days of antibiotics for uncomplicated community-acquired pneumonia, average durations of therapy are often longer.8 Previous work published in the Journal of Hospital Medicine focused on improving antimicrobial documentation as well as access to local clinical guidelines and implementing a 72-hour antimicrobial “time out” by hospitalists.9 When these multimodal interventions tailored for hospitalists were in place, utilization of antibiotics improved. Graber et al.5 also found that facility educational programs for prudent antimicrobial use and frequency of de-escalation review were associated with decreased overall antimicrobial use. Providing vague recommendations on antibiotic course, or none at all, at discharge or sign-out can lead to unnecessary antibiotics or an extended course of them. Pneumonia-specific interventions could target duration by outlining antibiotic course in hospitalist progress notes and at hand-off.

 

 

STEWARDSHIP IN PRACTICE: UTI

Misuse of antibiotics in UTI often stems from overtreatment of asymptomatic bacteriuria or unneeded diagnostic testing. Often, the pivotal step in avoiding unnecessary treatment lies in the ordering of the urine culture.10 Graber et al.5 showed that order sets were associated with decreased antimicrobial use. In the case of UTI, hospitalists could work with the stewardship team to design order sets that guide providers to appropriate reasons for ordering a urine culture. Order sets could also help providers recognize important patient-specific risks for certain antibiotics, such as the risk of C. difficile with fluoroquinolones in an elderly patient. Targeting different steps in overutilization of antibiotics would encompass more prescribers and could lead to reducing other unnecessary testing, which is a current focus for many hospitalists.

STEWARDSHIP IN PRACTICE: SSTI

Skin and soft tissue infections (SSTI) also offer a specific disease state to use order sets and education to improve duration of antibiotics, decrease overuse of broad spectrum antibiotics, and reduce unnecessary diagnostic studies. For example, gram negative and/or anaerobic coverage are rarely indicated in treating SSTIs but are often used. SSTI-specific order sets and guidelines have already been shown to improve both diagnostic work-up and antibiotic treatment.11 As the providers who manage most of these infections in hospitals, hospitalists are ideally positioned to inform the development of SSTI order sets and pathways. The work by Graber et al.5 provides some important insights into how we can effectively implement interventions to improve antibiotic use. These insights have never been more important as more hospitals move toward starting or expanding antibiotic stewardship programs. As leaders in patient safety and quality, and as the most important antibiotic prescribers in hospitals, hospitalists must play a central role in stewardship if we are to make meaningful progress.

Disclosure

Nothing to report.

 

We both attend on the Infectious Disease consult team in Veterans Affairs (VA) Hospitals, and predictably the conversation on afternoon rounds often revolves around antibiotics. When we have those discussions, our focus is not on a need to “preserve antibiotics” so they might be available to some unknown patient in the future. Rather, we are working with the primary team to provide the very best treatment for the patient entrusted to our care in the bed right in front of us. We believe it is in this context—providing optimal patient care—that the current efforts in the United States to improve antibiotic use should be viewed.

The growing challenges posed by antibiotic-resistant infections and the related threat of Clostridium difficile infection combine to sicken more than 2 million people each year and contribute to the deaths of more than 25,000 patients.1 Improving antibiotic use through antibiotic stewardship is often proposed to hospitalists as an important part of stemming this tide. While this is true, even as infectious disease specialists with strong interests in antimicrobial stewardship we do not find that pitch compelling when we are on clinical service.

What motivates us to optimize antibiotic use for our patients is the evidence that doing so will have direct and immediate benefits to the patients under our care. Improving antibiotic use has been proven to decrease a patient’s risk of acquiring C. difficile infection or an antibiotic-resistant infection not at some ill-defined time in the future, but during their current hospital stay.2,3 Even more important, support from antibiotic stewardship programs has been proven to improve infection cure rates and reduce the risk of treatment failure for hospitalized patients.4 The bottom line of antibiotic stewardship is better patient care. Sometimes that means narrowing or stopping antibiotics to reduce the risks of adverse events. In other cases, like in the treatment of suspected sepsis, it means ensuring patients get broad spectrum antibiotics quickly.

The patient care benefits of improving antibiotic use led the Centers for Disease Control and Prevention (CDC) to issue a call in 2014 for all hospitals to have antibiotic stewardship programs, and to the development of The Core Elements of Hospital Antibiotic Stewardship Programs to support that effort. As of January 1, 2017, antibiotic stewardship programs that incorporate all the CDC core elements became an accreditation requirement of The Joint Commission, and the Centers for Medicare and Medicaid Services has proposed making the same requirement of all hospitals that participate in their payment programs.

This means the question is no longer whether we should have antibiotic stewardship efforts in hospitals, but how we can do this most effectively. As the physicians who provide the most care in hospitals, hospitalists are best positioned to turn stewardship theories into practice. The article from Graber et al.5 in this issue of the Journal of Hospital Medicine provides some important information that can help busy hospitalists incorporate stewardship into daily practice. The authors reviewed their experience with implementing stewardship efforts in VA hospitals to see which specific interventions were most likely to translate into improved antibiotic use. Based on their findings, we offer some suggestions for three conditions: pneumonia, urinary tract infection (UTI), and skin and soft tissue infection (SSTI). Together, these conditions drive roughly two-thirds of all antibiotic use in US hospitals.6

STEWARDSHIP IN PRACTICE: PNEUMONIA

The literature on treatment of pneumonia is increasingly demonstrating that shorter use of antibiotics is often better.7 Even though current guidelines recommend 5 to 7 days of antibiotics for uncomplicated community-acquired pneumonia, average durations of therapy are often longer.8 Previous work published in the Journal of Hospital Medicine focused on improving antimicrobial documentation as well as access to local clinical guidelines and implementing a 72-hour antimicrobial “time out” by hospitalists.9 When these multimodal interventions tailored for hospitalists were in place, utilization of antibiotics improved. Graber et al.5 also found that facility educational programs for prudent antimicrobial use and frequency of de-escalation review were associated with decreased overall antimicrobial use. Providing vague recommendations on antibiotic course, or none at all, at discharge or sign-out can lead to unnecessary antibiotics or an extended course of them. Pneumonia-specific interventions could target duration by outlining antibiotic course in hospitalist progress notes and at hand-off.

 

 

STEWARDSHIP IN PRACTICE: UTI

Misuse of antibiotics in UTI often stems from overtreatment of asymptomatic bacteriuria or unneeded diagnostic testing. Often, the pivotal step in avoiding unnecessary treatment lies in the ordering of the urine culture.10 Graber et al.5 showed that order sets were associated with decreased antimicrobial use. In the case of UTI, hospitalists could work with the stewardship team to design order sets that guide providers to appropriate reasons for ordering a urine culture. Order sets could also help providers recognize important patient-specific risks for certain antibiotics, such as the risk of C. difficile with fluoroquinolones in an elderly patient. Targeting different steps in overutilization of antibiotics would encompass more prescribers and could lead to reducing other unnecessary testing, which is a current focus for many hospitalists.

STEWARDSHIP IN PRACTICE: SSTI

Skin and soft tissue infections (SSTI) also offer a specific disease state to use order sets and education to improve duration of antibiotics, decrease overuse of broad spectrum antibiotics, and reduce unnecessary diagnostic studies. For example, gram negative and/or anaerobic coverage are rarely indicated in treating SSTIs but are often used. SSTI-specific order sets and guidelines have already been shown to improve both diagnostic work-up and antibiotic treatment.11 As the providers who manage most of these infections in hospitals, hospitalists are ideally positioned to inform the development of SSTI order sets and pathways. The work by Graber et al.5 provides some important insights into how we can effectively implement interventions to improve antibiotic use. These insights have never been more important as more hospitals move toward starting or expanding antibiotic stewardship programs. As leaders in patient safety and quality, and as the most important antibiotic prescribers in hospitals, hospitalists must play a central role in stewardship if we are to make meaningful progress.

Disclosure

Nothing to report.

 

References

1. Centers for Disease Control and Prevention. Antibiotic Resistance Threats in the United States, 2013. https://www.cdc.gov/drugresistance/pdf/ar-threats-2013-508.pdf. Accessed April 12, 2017.
2. Feazel LM, Malhotra A, Perencevich EN, Kaboli P, Diekema DJ, Schweizer ML. Effect of antibiotic stewardship programmes on Clostridium difficile incidence: a systematic review and meta-analysis. J Antimicrob Chemother. 2014;69(7):1748-1754. PubMed
3. Singh N, Rogers P, Atwood CW, Wagener MM, Yu VL. Short-course empiric antibiotic therapy for patients with pulmonary infiltrates in the intensive care unit. A proposed solution for indiscriminate antibiotic prescription. Am J Respir Crit Care Med. 2000;162(2 Pt 1):505-511. PubMed
4. Fishman N. Antimicrobial stewardship. Am J Med. 2006;119(6 Suppl 1):S53-S61; discussion S62-S70. PubMed
5. Graber CJ, Jones MM, Chou AF, et al. Association of inpatient antimicrobial utilization measures with antimicrobial stewardship activities and facility characteristics of Veterans Affairs medical centers. J Hosp Med. 2017;12:301-309. PubMed
6. Magill SS, Edwards JR, Beldavs ZG, et al. Prevalence of antimicrobial use in US acute care hospitals, May-September 2011. JAMA. 2014;312(14):1438-1446. PubMed
7. Viasus D, Vecino-Moreno M, De La Hoz JM, Carratala J. Antibiotic stewardship in community-acquired pneumonia. Expert Rev Anti Infect Ther. 2016:1-2019. PubMed
8. Avdic E, Cushinotto LA, Hughes AH, et al. Impact of an antimicrobial stewardship intervention on shortening the duration of therapy for community-acquired pneumonia. Clin Infect Dis. 2012;54(11):1581-1587. PubMed
9. Mack MR, Rohde JM, Jacobsen D, et al. Engaging hospitalists in antimicrobial stewardship: Lessons from a multihospital collaborative. J Hosp Med. 2016;11(8):576-580. PubMed
10. Trautner BW, Grigoryan L, Petersen NJ, et al. Effectiveness of an Antimicrobial Stewardship Approach for Urinary Catheter-Associated Asymptomatic Bacteriuria. JAMA Intern Med. 2015;175(7):1120-1127. PubMed
11. Jenkins TC, Knepper BC, Sabel AL, et al. Decreased antibiotic utilization after implementation of a guideline for inpatient cellulitis and cutaneous abscess. Arch Intern Med. 2011;171(12):1072-1079. PubMed

References

1. Centers for Disease Control and Prevention. Antibiotic Resistance Threats in the United States, 2013. https://www.cdc.gov/drugresistance/pdf/ar-threats-2013-508.pdf. Accessed April 12, 2017.
2. Feazel LM, Malhotra A, Perencevich EN, Kaboli P, Diekema DJ, Schweizer ML. Effect of antibiotic stewardship programmes on Clostridium difficile incidence: a systematic review and meta-analysis. J Antimicrob Chemother. 2014;69(7):1748-1754. PubMed
3. Singh N, Rogers P, Atwood CW, Wagener MM, Yu VL. Short-course empiric antibiotic therapy for patients with pulmonary infiltrates in the intensive care unit. A proposed solution for indiscriminate antibiotic prescription. Am J Respir Crit Care Med. 2000;162(2 Pt 1):505-511. PubMed
4. Fishman N. Antimicrobial stewardship. Am J Med. 2006;119(6 Suppl 1):S53-S61; discussion S62-S70. PubMed
5. Graber CJ, Jones MM, Chou AF, et al. Association of inpatient antimicrobial utilization measures with antimicrobial stewardship activities and facility characteristics of Veterans Affairs medical centers. J Hosp Med. 2017;12:301-309. PubMed
6. Magill SS, Edwards JR, Beldavs ZG, et al. Prevalence of antimicrobial use in US acute care hospitals, May-September 2011. JAMA. 2014;312(14):1438-1446. PubMed
7. Viasus D, Vecino-Moreno M, De La Hoz JM, Carratala J. Antibiotic stewardship in community-acquired pneumonia. Expert Rev Anti Infect Ther. 2016:1-2019. PubMed
8. Avdic E, Cushinotto LA, Hughes AH, et al. Impact of an antimicrobial stewardship intervention on shortening the duration of therapy for community-acquired pneumonia. Clin Infect Dis. 2012;54(11):1581-1587. PubMed
9. Mack MR, Rohde JM, Jacobsen D, et al. Engaging hospitalists in antimicrobial stewardship: Lessons from a multihospital collaborative. J Hosp Med. 2016;11(8):576-580. PubMed
10. Trautner BW, Grigoryan L, Petersen NJ, et al. Effectiveness of an Antimicrobial Stewardship Approach for Urinary Catheter-Associated Asymptomatic Bacteriuria. JAMA Intern Med. 2015;175(7):1120-1127. PubMed
11. Jenkins TC, Knepper BC, Sabel AL, et al. Decreased antibiotic utilization after implementation of a guideline for inpatient cellulitis and cutaneous abscess. Arch Intern Med. 2011;171(12):1072-1079. PubMed

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Address for correspondence and reprint requests: Payal K. Patel, MD, MPH, University of Michigan, Infectious Disease Clinic, Taubman Center, Floor 3 Reception D, 1500 East Medical Center Drive, SPC 5352, Ann Arbor, MI 48109; Telephone: 734-845-5695; Fax: 734-845-3290; E-mail: payalkp@umich.edu.

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Hospitalist‐Led Antimicrobial Stewardship

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Engaging hospitalists in antimicrobial stewardship: Lessons from a multihospital collaborative

Inappropriate antimicrobial use in hospitalized patients is a well‐recognized driver for the development of drug‐resistant organisms and antimicrobial‐related complications such as Clostridium difficile infection (CDI).[1, 2] Infection with C difficile affects nearly 500,000 people annually resulting in higher healthcare expenditures, longer lengths of hospital stay, and nearly 15,000 deaths.[3] Data from the Centers for Disease Control and Prevention (CDC) suggest that a 30% reduction in the use of broad‐spectrum antimicrobials, or a 5% reduction in the proportion of hospitalized patients receiving antimicrobials, could equate to a 26% reduction in CDI.[4] It is estimated that up to 50% of antimicrobial use in the hospital setting may be inappropriate.[5]

Since the Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America published guidelines for developing formal, hospital‐based antimicrobial stewardship programs in 2007, stewardship practices have been adapted by frontline providers to fit day‐to‐day inpatient care.[5] A recent review by Hamilton et al. described several studies in which stewardship practices were imbedded into daily workflows by way of checklists, education reminders, and periodic review of antimicrobial usage, as well as a multicenter pilot of point‐of‐care stewardship interventions successfully implemented by various providers including nursing, pharmacists, and hospitalists.[6]

In response to the CDC's 2010 Get Smart for Healthcare campaign, which focused on stemming antimicrobial resistance and improving antimicrobial use, the Institute for Healthcare Improvement (IHI), in partnership with the CDC, brought together experts in the field to identify practical and feasible target practices for hospital‐based stewardship and created a Driver Diagram to guide implementation efforts (Figure 1). Rohde et al. described the initial pilot testing of these practices, the decision to more actively engage frontline providers, and the 3 key strategies identified as high‐yield improvement targets: enhancing the visibility of antimicrobial use at the point of care, creating easily accessible antimicrobial guidelines for common infections, and the implementation of a 72‐hour timeout after initiation of antimicrobials.[7]

Figure 1
Shown is the Antibiotic Stewardship Driver Diagram that was developed as part of the Centers for Disease Control and Prevention (CDC) and Institute for Healthcare Improvement partnered efforts to stem antimicrobial overuse through the CDC's Get Smart for Healthcare campaign. Eight pilot hospitals were recruited to participate in field testing and to refine the diagram in a variety of settings from September 2011 through June 2012.

In this article, we describe how, in partnership with the IHI and the CDC, the hospital medicine programs at 5 diverse hospitals iteratively tested these 3 strategies with a goal of identifying the barriers and facilitators to effective hospitalist‐led antimicrobial stewardship.

METHODS

Representatives from 5 hospital medicine programs, IHI, and the CDC attended a kick‐off meeting at the CDC in November 2012 to discuss the 3 proposed strategies, examples of prior testing, and ideas for implementation. Each hospitalist provided a high‐level summary of the current state of stewardship efforts at their respective institutions, identified possible future states related to the improvement strategies, and anticipated problems in achieving them. The 3 key strategies are described below.

Improved Documentation/Visibility at Points of Care

Making antimicrobial indication, day of therapy, and anticipated duration transparent in the medical record was the targeted improvement strategy to avoid unnecessary antimicrobial days that can result from provider uncertainty, particularly during patient handoffs. Daily hospitalist documentation was identified as a vehicle through which these aspects of antimicrobial use could be effectively communicated and propagated from provider to provider.

Stewardship educational sessions and/or awareness campaigns were hospitalist led, and were accompanied by follow‐up reminders in the forms of emails, texts, flyers, or conferences. Infectious disease physicians were not directly involved in education but were available for consultation if needed.

Improved Guideline Clarity and Accessibility

Enhancing the availability of guidelines for frequently encountered infections and clarifying key guideline recommendations such as treatment duration were identified as the improvement strategies to help make treatment regimens more appropriate and consistent across providers.

Interventions included designing simplified pocket cards for commonly encountered infections, (see Supporting Information, Appendix A, in the online version of this article), collaborating with infectious disease physicians on guideline development, and dissemination through email, smartphone, and wall flyers, and creation of a continuous medical education module focused on stewardship practices.

72‐Hour Antimicrobial Timeout

The 72‐hour antimicrobial timeout required that hospitalists routinely reassess antimicrobial use 72 hours following antimicrobial initiation, a time when most pertinent culture data had returned. Hospitalists partnered with clinical pharmacists at all sites, and addressed the following questions during each timeout: (1) Does the patient have a condition that requires continued use of antimicrobials? (2) Can the current antimicrobial regimen be tailored based on culture data? (3) What is the anticipated treatment duration? A variety of modifications occurred during timeouts, including broadening or narrowing the antimicrobial regimen based on culture data, switching to an oral antimicrobial, adjusting dose or frequency based on patient‐specific factors, as well as discontinuation of antimicrobials. Following the initial timeout, further adjustments were made as the clinical situation dictated; intermittent partnered timeouts continued during a patient's hospitalization on an individualized basis. Hospitalists were encouraged to independently review new diagnostic information daily and make changes as needed outside the dedicated time‐out sessions. All decisions to adjust antimicrobial regimens were provider driven; no hospitals employed automated antimicrobial discontinuation without provider input.

Implementation and Evaluation

Each site was tasked with conducting small tests of change aimed at implementing at least 1, and ideally all 3 strategies. Small, reasonably achievable interventions were preferred to large hospital‐wide initiatives so that key barriers and facilitators to the change could be quickly identified and addressed.

Methods of data collection varied across institutions and included anonymous physician survey, face‐to‐face physician interviews, and medical record review. Evaluations of hospital‐specific interventions utilized convenience samples to obtain real time, actionable data. Postintervention data were distributed through biweekly calls and compiled at the conclusion of the project. Barriers and facilitators of hospitalist‐centered antimicrobial stewardship collected over the course of the project were reviewed and used to identify common themes.

RESULTS

Participating hospitals included 1 community nonteaching hospital, 2 community teaching hospitals, and 2 academic medical centers. All hospitals used computerized order entry and had prior quality improvement experience; 4 out of 5 hospitals used electronic medical records. Postintervention data on antimicrobial documentation and timeouts were compiled, shared, and successes identified. For example, 2 hospitals saw an increase in complete antimicrobial documentation from 4% and 8% to 51% and 65%, respectively, of medical records reviewed over a 3‐month period. Additionally, cumulative timeout data across all hospitals showed that out of 726 antimicrobial timeouts evaluated, optimization or discontinuation occurred 218 times or 30% of the time.

Each site's key implementation barriers and facilitators were collected. Examples were compiled and common themes emerged (Table 1).

Common Themes of Barriers and Facilitators to Antimicrobial Stewardship Within Each Hospitalist Program With Accompanying Examples
  • NOTE: Barriers and facilitators were collected during biweekly conference calls as well as upon conclusion of our initiative.

Barriers: What impediments did we experience during our stewardship project? Schedule and practice variability Physician variability in structure of antimicrobial documentation
Prescribing etiquette: it's difficult to change course of treatment plan started by a colleague
Competing schedule demands of hospitalist and pharmacist
Skepticism of antimicrobial stewardship importance Perception of incorporating stewardship practices into daily work as time consuming
Improvement project fatigue from competing quality improvement initiatives
Unclear leadership buy‐in
Focusing too broadly Choosing large initial interventions, which take significant time/effort to complete and quantify
Setting unrealistic expectations (eg, expecting perfect adherence to documentation, guidelines, or timeout)
Facilitators: What countermeasures did we target to overcome barriers? Engage the hospitalists Establish a core part of the hospitalist group as stewardship champions
Speak 1‐on‐1 to colleagues about specific goals and ways to achieve them
Establish buy‐in from leadership
Encourage participation from a multidisciplinary team (eg, bedside nursing, clinical pharmacists)
Collect real time data and feedback Utilize a data collection tool if possible/engage hospital coders to identify appropriate diagnoses
Define your question and identify baseline data prior to intervention
Give rapid cycle feedback to colleagues that can impact antimicrobial prescribing in real time
Recognize and reward high performers
Limit scope Start with small, quickly implementable interventions
Identify interventions that are easy to integrate into hospitalist workflow

DISCUSSION

We successfully brought together hospitalists from diverse institutions to undertake small tests of change aimed at 3 key antimicrobial use improvement strategies. Following our interventions, significant improvement in antimicrobial documentation occurred at 2 institutions focusing on this improvement strategy, and 72‐hour timeouts performed across all hospitals tailored antimicrobial use in 30% of the sessions. Through frequent collaborative discussions and information sharing, we were able to identify common barriers and facilitators to hospitalist‐centered stewardship efforts.

Each participating hospital medicine program noticed a gradual shift in thinking among their colleagues, from initial skepticism about embedding stewardship within their daily workflow, to general acceptance that it was a worthwhile and meaningful endeavor. We posited that this transition in belief and behavior evolved for several reasons. First, each group was educated about their own, personal prescribing practices from the outset rather than presenting abstract data. This allowed for ownership of the problem and buy‐in to improve it. Second, participants were able to experience the benefits at an individual level while the interventions were ongoing (eg, having other providers reciprocate structured documentation during patient handoffs, making antimicrobial plans clearer), reinforcing the achievability of stewardship practices within each group. Additionally, we focused on making small, manageable interventions that did not seem disruptive to hospitalists' daily workflow. For example, 1 group instituted antimicrobial timeouts during preexisting multidisciplinary rounds with clinical pharmacists. Last, project champions had both leadership and frontline roles within their groups and set the example for stewardship practices, which conveyed that this was a priority at the leadership level. These findings are in line with those of Charani et al., who evaluated behavior change strategies that influence antimicrobial prescribing in acute care. The authors found that behavioral determinants and social norms strongly influence prescribing practices in acute care, and that antimicrobial stewardship improvement projects should account for these influences.[8]

We also identified several barriers to antimicrobial stewardship implementation (Table 1) and proposed measures to address these barriers in future improvement efforts. For example, hospital medicine programs without a preexisting clinical pharmacy partnership asked hospitalist leadership for more direct clinical pharmacy involvement, recognizing the importance of a physician‐pharmacy alliance for stewardship efforts. To more effectively embed antimicrobial stewardship into daily routine, several hospitalists suggested standardized order sets for commonly encountered infections, as well as routine feedback on prescribing practices. Furthermore, although our simplified antimicrobial guideline pocket card enhanced access to this information, several colleagues suggested a smart phone application that would make access even easier and less cumbersome. Last, given the concern about the sustainability of antimicrobial stewardship initiatives, we recommended periodic reminders, random medical record review, and re‐education if necessary on our 3 strategies and their purpose.

Our study is not without limitations. Each participating hospitalist group enacted hospital‐specific interventions based on individual hospitalist program needs and goals, and although there was collective discussion, no group was tasked to undertake another group's initiative, thereby limiting generalizability. We did, however, identify common facilitators that could be adapted to a wide variety of hospitalist programs. We also note that our 3 main strategies were included in a recent review of quality indicators for measuring the success of antimicrobial stewardship programs; thus, although details of individual practice may vary, in principle these concepts can help identify areas for improvement within each unique stewardship program.[9] Importantly, we were unable to evaluate the impact of the 3 key improvement strategies on important clinical outcomes such as overall antimicrobial use, complications including CDI, and cost. However, others have found that improvement strategies similar to our 3 key processes are associated with meaningful improvements in clinical outcomes as well as reductions in healthcare costs.[10, 11] Last, long‐ term impact and sustainability were not evaluated. By choosing interventions that were viewed by frontline providers as valuable and attainable, however, we feel that each group will likely continue current practices beyond the initial evaluation timeframe.

Although these 5 hospitalist groups were able to successfully implement several aspects of the 3 key improvement strategies, we recognize that this is only the first step. Further effort is needed to quantify the impact of these improvement efforts on objective patient outcomes such as readmissions, length of stay, and antimicrobial‐related complications, which will better inform our local and national leaders on the inherent clinical and financial gains associated with hospitalist‐led stewardship work. Finally, creative ways to better integrate stewardship activities into existing provider workflows (eg, decision support and automation) will further accelerate improvement efforts.

In summary, hospitalists at 5 diverse institutions successfully implemented key antimicrobial improvement strategies and identified important implementation facilitators and barriers. Future efforts at hospitalist‐led stewardship should focus on strategies to scale‐up interventions and evaluate their impact on clinical outcomes and cost.

Acknowledgements

The authors thank Latoya Kuhn, MPH, for her assistance with statistical analyses. We also thank the clinical pharmacists at each institution for their partnership in stewardship efforts: Patrick Arnold, PharmD, and Matthew Tupps, PharmD, MHA, from University of Michigan Hospital and Health System; and Roland Tam, PharmD, from Emory Johns Creek Hospital.

Disclosures: Dr. Flanders reports consulting fees or honoraria from the Institute for Healthcare Improvement, has provided consultancy to the Society of Hospital Medicine, has served as a reviewer for expert testimony, received honoraria as a visiting lecturer to various hospitals, and has received royalties from publisher John Wiley & Sons. He has also received grant funding from Blue Cross Blue Shield of Michigan and the Agency for Healthcare Research and Quality. Dr. Ko reports consultancy for the American Hospital Association and the Society of Hospital Medicine involving work with catheter‐associated urinary tract infections. Ms. Jacobsen reports grant funding from the Institute for Healthcare Improvement. Dr. Rosenberg reports consultancy for Bristol‐Myers Squibb, Forest Pharmaceuticals, and Pfizer. The funding source for this collaborative was through the Institute for Healthcare Improvement and Centers for Disease Control and Prevention. Funding was provided by the Department of Health and Human Services, the Centers for Disease Control and Prevention, the National Center for Emerging Zoonotic and Infectious Diseases, and the Division of Healthcare Quality Promotion/Office of the Director. Avaris Concepts served as the prime contractor and the Institute for Healthcare Improvement as the subcontractor for the initiative. The findings and conclusions in this report represent the views of the authors and might not reflect the views of the Centers for Disease Control and Prevention. The authors report no conflicts of interest.

Files
References
  1. Maragakis LL, Perencevich EN, Cosgrove SE. Clinical and economic burden of antimicrobial resistance. Expert Rev Anti Infect Ther. 2008;6(5):751763.
  2. Roberts RR, Hota B, Ahmad I, et al. Hospital and societal costs of antimicrobial‐resistant infections in a Chicago teaching hospital: implications for antibiotic stewardship. Clin Infect Dis. 2009;49(8):11751184.
  3. Lessa FC, Mu Y, Bamberg WM, et al. Burden of Clostridium difficile infection in the United States. N Engl J Med. 2015;372(9):825834.
  4. Fridkin S, Baggs J, Fagan R, et al.; Centers for Disease Control and Prevention (CDC). Vital signs: improving antibiotic use among hospitalized patients. MMWR Morb Mortal Wkly Rep. 2014;63(9):194200.
  5. Dellit TH1, Owens RC, McGowan JE, et al.; Infectious Diseases Society of America; Society for Healthcare Epidemiology of America. Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America guidelines for developing an institutional program to enhance antimicrobial stewardship. Clin Infect Dis. 2007;44(2):159177.
  6. Hamilton KW, Gerber JS, Moehring R, et al.; Centers for Disease Control and Prevention Epicenters Program. Point‐of‐prescription interventions to improve antimicrobial stewardship. Clin Infect Dis. 2015;60(8):12521258.
  7. Rohde JM, Jacobsen D, Rosenberg DJ. Role of the hospitalist in antimicrobial stewardship: a review of work completed and description of a multisite collaborative. Clin Ther. 2013;35(6):751757.
  8. Charani E, Edwards R, Sevdalis N, et al. Behavior change strategies to influence antimicrobial prescribing in acute care: a systematic review. Clin Infect Dis. 2011;53(7):651662.
  9. Bosch , Geerlings SE, Natsch S, Prins JM, Hulscher ME. Quality indicators to measure appropriate antibiotic use in hospitalized adults. Clin Infect Dis. 2015;60(2):281291.
  10. Bosso JA, Drew RH. Application of antimicrobial stewardship to optimise management of community acquired pneumonia. Int J Clin Pract. 2011;65(7):775783.
  11. Davey P, Brown E, Charani E, et al. Interventions to improve antibiotic prescribing practices for hospital inpatients. Cochrane Database Syst Rev. 2013;4:CD003543.
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Inappropriate antimicrobial use in hospitalized patients is a well‐recognized driver for the development of drug‐resistant organisms and antimicrobial‐related complications such as Clostridium difficile infection (CDI).[1, 2] Infection with C difficile affects nearly 500,000 people annually resulting in higher healthcare expenditures, longer lengths of hospital stay, and nearly 15,000 deaths.[3] Data from the Centers for Disease Control and Prevention (CDC) suggest that a 30% reduction in the use of broad‐spectrum antimicrobials, or a 5% reduction in the proportion of hospitalized patients receiving antimicrobials, could equate to a 26% reduction in CDI.[4] It is estimated that up to 50% of antimicrobial use in the hospital setting may be inappropriate.[5]

Since the Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America published guidelines for developing formal, hospital‐based antimicrobial stewardship programs in 2007, stewardship practices have been adapted by frontline providers to fit day‐to‐day inpatient care.[5] A recent review by Hamilton et al. described several studies in which stewardship practices were imbedded into daily workflows by way of checklists, education reminders, and periodic review of antimicrobial usage, as well as a multicenter pilot of point‐of‐care stewardship interventions successfully implemented by various providers including nursing, pharmacists, and hospitalists.[6]

In response to the CDC's 2010 Get Smart for Healthcare campaign, which focused on stemming antimicrobial resistance and improving antimicrobial use, the Institute for Healthcare Improvement (IHI), in partnership with the CDC, brought together experts in the field to identify practical and feasible target practices for hospital‐based stewardship and created a Driver Diagram to guide implementation efforts (Figure 1). Rohde et al. described the initial pilot testing of these practices, the decision to more actively engage frontline providers, and the 3 key strategies identified as high‐yield improvement targets: enhancing the visibility of antimicrobial use at the point of care, creating easily accessible antimicrobial guidelines for common infections, and the implementation of a 72‐hour timeout after initiation of antimicrobials.[7]

Figure 1
Shown is the Antibiotic Stewardship Driver Diagram that was developed as part of the Centers for Disease Control and Prevention (CDC) and Institute for Healthcare Improvement partnered efforts to stem antimicrobial overuse through the CDC's Get Smart for Healthcare campaign. Eight pilot hospitals were recruited to participate in field testing and to refine the diagram in a variety of settings from September 2011 through June 2012.

In this article, we describe how, in partnership with the IHI and the CDC, the hospital medicine programs at 5 diverse hospitals iteratively tested these 3 strategies with a goal of identifying the barriers and facilitators to effective hospitalist‐led antimicrobial stewardship.

METHODS

Representatives from 5 hospital medicine programs, IHI, and the CDC attended a kick‐off meeting at the CDC in November 2012 to discuss the 3 proposed strategies, examples of prior testing, and ideas for implementation. Each hospitalist provided a high‐level summary of the current state of stewardship efforts at their respective institutions, identified possible future states related to the improvement strategies, and anticipated problems in achieving them. The 3 key strategies are described below.

Improved Documentation/Visibility at Points of Care

Making antimicrobial indication, day of therapy, and anticipated duration transparent in the medical record was the targeted improvement strategy to avoid unnecessary antimicrobial days that can result from provider uncertainty, particularly during patient handoffs. Daily hospitalist documentation was identified as a vehicle through which these aspects of antimicrobial use could be effectively communicated and propagated from provider to provider.

Stewardship educational sessions and/or awareness campaigns were hospitalist led, and were accompanied by follow‐up reminders in the forms of emails, texts, flyers, or conferences. Infectious disease physicians were not directly involved in education but were available for consultation if needed.

Improved Guideline Clarity and Accessibility

Enhancing the availability of guidelines for frequently encountered infections and clarifying key guideline recommendations such as treatment duration were identified as the improvement strategies to help make treatment regimens more appropriate and consistent across providers.

Interventions included designing simplified pocket cards for commonly encountered infections, (see Supporting Information, Appendix A, in the online version of this article), collaborating with infectious disease physicians on guideline development, and dissemination through email, smartphone, and wall flyers, and creation of a continuous medical education module focused on stewardship practices.

72‐Hour Antimicrobial Timeout

The 72‐hour antimicrobial timeout required that hospitalists routinely reassess antimicrobial use 72 hours following antimicrobial initiation, a time when most pertinent culture data had returned. Hospitalists partnered with clinical pharmacists at all sites, and addressed the following questions during each timeout: (1) Does the patient have a condition that requires continued use of antimicrobials? (2) Can the current antimicrobial regimen be tailored based on culture data? (3) What is the anticipated treatment duration? A variety of modifications occurred during timeouts, including broadening or narrowing the antimicrobial regimen based on culture data, switching to an oral antimicrobial, adjusting dose or frequency based on patient‐specific factors, as well as discontinuation of antimicrobials. Following the initial timeout, further adjustments were made as the clinical situation dictated; intermittent partnered timeouts continued during a patient's hospitalization on an individualized basis. Hospitalists were encouraged to independently review new diagnostic information daily and make changes as needed outside the dedicated time‐out sessions. All decisions to adjust antimicrobial regimens were provider driven; no hospitals employed automated antimicrobial discontinuation without provider input.

Implementation and Evaluation

Each site was tasked with conducting small tests of change aimed at implementing at least 1, and ideally all 3 strategies. Small, reasonably achievable interventions were preferred to large hospital‐wide initiatives so that key barriers and facilitators to the change could be quickly identified and addressed.

Methods of data collection varied across institutions and included anonymous physician survey, face‐to‐face physician interviews, and medical record review. Evaluations of hospital‐specific interventions utilized convenience samples to obtain real time, actionable data. Postintervention data were distributed through biweekly calls and compiled at the conclusion of the project. Barriers and facilitators of hospitalist‐centered antimicrobial stewardship collected over the course of the project were reviewed and used to identify common themes.

RESULTS

Participating hospitals included 1 community nonteaching hospital, 2 community teaching hospitals, and 2 academic medical centers. All hospitals used computerized order entry and had prior quality improvement experience; 4 out of 5 hospitals used electronic medical records. Postintervention data on antimicrobial documentation and timeouts were compiled, shared, and successes identified. For example, 2 hospitals saw an increase in complete antimicrobial documentation from 4% and 8% to 51% and 65%, respectively, of medical records reviewed over a 3‐month period. Additionally, cumulative timeout data across all hospitals showed that out of 726 antimicrobial timeouts evaluated, optimization or discontinuation occurred 218 times or 30% of the time.

Each site's key implementation barriers and facilitators were collected. Examples were compiled and common themes emerged (Table 1).

Common Themes of Barriers and Facilitators to Antimicrobial Stewardship Within Each Hospitalist Program With Accompanying Examples
  • NOTE: Barriers and facilitators were collected during biweekly conference calls as well as upon conclusion of our initiative.

Barriers: What impediments did we experience during our stewardship project? Schedule and practice variability Physician variability in structure of antimicrobial documentation
Prescribing etiquette: it's difficult to change course of treatment plan started by a colleague
Competing schedule demands of hospitalist and pharmacist
Skepticism of antimicrobial stewardship importance Perception of incorporating stewardship practices into daily work as time consuming
Improvement project fatigue from competing quality improvement initiatives
Unclear leadership buy‐in
Focusing too broadly Choosing large initial interventions, which take significant time/effort to complete and quantify
Setting unrealistic expectations (eg, expecting perfect adherence to documentation, guidelines, or timeout)
Facilitators: What countermeasures did we target to overcome barriers? Engage the hospitalists Establish a core part of the hospitalist group as stewardship champions
Speak 1‐on‐1 to colleagues about specific goals and ways to achieve them
Establish buy‐in from leadership
Encourage participation from a multidisciplinary team (eg, bedside nursing, clinical pharmacists)
Collect real time data and feedback Utilize a data collection tool if possible/engage hospital coders to identify appropriate diagnoses
Define your question and identify baseline data prior to intervention
Give rapid cycle feedback to colleagues that can impact antimicrobial prescribing in real time
Recognize and reward high performers
Limit scope Start with small, quickly implementable interventions
Identify interventions that are easy to integrate into hospitalist workflow

DISCUSSION

We successfully brought together hospitalists from diverse institutions to undertake small tests of change aimed at 3 key antimicrobial use improvement strategies. Following our interventions, significant improvement in antimicrobial documentation occurred at 2 institutions focusing on this improvement strategy, and 72‐hour timeouts performed across all hospitals tailored antimicrobial use in 30% of the sessions. Through frequent collaborative discussions and information sharing, we were able to identify common barriers and facilitators to hospitalist‐centered stewardship efforts.

Each participating hospital medicine program noticed a gradual shift in thinking among their colleagues, from initial skepticism about embedding stewardship within their daily workflow, to general acceptance that it was a worthwhile and meaningful endeavor. We posited that this transition in belief and behavior evolved for several reasons. First, each group was educated about their own, personal prescribing practices from the outset rather than presenting abstract data. This allowed for ownership of the problem and buy‐in to improve it. Second, participants were able to experience the benefits at an individual level while the interventions were ongoing (eg, having other providers reciprocate structured documentation during patient handoffs, making antimicrobial plans clearer), reinforcing the achievability of stewardship practices within each group. Additionally, we focused on making small, manageable interventions that did not seem disruptive to hospitalists' daily workflow. For example, 1 group instituted antimicrobial timeouts during preexisting multidisciplinary rounds with clinical pharmacists. Last, project champions had both leadership and frontline roles within their groups and set the example for stewardship practices, which conveyed that this was a priority at the leadership level. These findings are in line with those of Charani et al., who evaluated behavior change strategies that influence antimicrobial prescribing in acute care. The authors found that behavioral determinants and social norms strongly influence prescribing practices in acute care, and that antimicrobial stewardship improvement projects should account for these influences.[8]

We also identified several barriers to antimicrobial stewardship implementation (Table 1) and proposed measures to address these barriers in future improvement efforts. For example, hospital medicine programs without a preexisting clinical pharmacy partnership asked hospitalist leadership for more direct clinical pharmacy involvement, recognizing the importance of a physician‐pharmacy alliance for stewardship efforts. To more effectively embed antimicrobial stewardship into daily routine, several hospitalists suggested standardized order sets for commonly encountered infections, as well as routine feedback on prescribing practices. Furthermore, although our simplified antimicrobial guideline pocket card enhanced access to this information, several colleagues suggested a smart phone application that would make access even easier and less cumbersome. Last, given the concern about the sustainability of antimicrobial stewardship initiatives, we recommended periodic reminders, random medical record review, and re‐education if necessary on our 3 strategies and their purpose.

Our study is not without limitations. Each participating hospitalist group enacted hospital‐specific interventions based on individual hospitalist program needs and goals, and although there was collective discussion, no group was tasked to undertake another group's initiative, thereby limiting generalizability. We did, however, identify common facilitators that could be adapted to a wide variety of hospitalist programs. We also note that our 3 main strategies were included in a recent review of quality indicators for measuring the success of antimicrobial stewardship programs; thus, although details of individual practice may vary, in principle these concepts can help identify areas for improvement within each unique stewardship program.[9] Importantly, we were unable to evaluate the impact of the 3 key improvement strategies on important clinical outcomes such as overall antimicrobial use, complications including CDI, and cost. However, others have found that improvement strategies similar to our 3 key processes are associated with meaningful improvements in clinical outcomes as well as reductions in healthcare costs.[10, 11] Last, long‐ term impact and sustainability were not evaluated. By choosing interventions that were viewed by frontline providers as valuable and attainable, however, we feel that each group will likely continue current practices beyond the initial evaluation timeframe.

Although these 5 hospitalist groups were able to successfully implement several aspects of the 3 key improvement strategies, we recognize that this is only the first step. Further effort is needed to quantify the impact of these improvement efforts on objective patient outcomes such as readmissions, length of stay, and antimicrobial‐related complications, which will better inform our local and national leaders on the inherent clinical and financial gains associated with hospitalist‐led stewardship work. Finally, creative ways to better integrate stewardship activities into existing provider workflows (eg, decision support and automation) will further accelerate improvement efforts.

In summary, hospitalists at 5 diverse institutions successfully implemented key antimicrobial improvement strategies and identified important implementation facilitators and barriers. Future efforts at hospitalist‐led stewardship should focus on strategies to scale‐up interventions and evaluate their impact on clinical outcomes and cost.

Acknowledgements

The authors thank Latoya Kuhn, MPH, for her assistance with statistical analyses. We also thank the clinical pharmacists at each institution for their partnership in stewardship efforts: Patrick Arnold, PharmD, and Matthew Tupps, PharmD, MHA, from University of Michigan Hospital and Health System; and Roland Tam, PharmD, from Emory Johns Creek Hospital.

Disclosures: Dr. Flanders reports consulting fees or honoraria from the Institute for Healthcare Improvement, has provided consultancy to the Society of Hospital Medicine, has served as a reviewer for expert testimony, received honoraria as a visiting lecturer to various hospitals, and has received royalties from publisher John Wiley & Sons. He has also received grant funding from Blue Cross Blue Shield of Michigan and the Agency for Healthcare Research and Quality. Dr. Ko reports consultancy for the American Hospital Association and the Society of Hospital Medicine involving work with catheter‐associated urinary tract infections. Ms. Jacobsen reports grant funding from the Institute for Healthcare Improvement. Dr. Rosenberg reports consultancy for Bristol‐Myers Squibb, Forest Pharmaceuticals, and Pfizer. The funding source for this collaborative was through the Institute for Healthcare Improvement and Centers for Disease Control and Prevention. Funding was provided by the Department of Health and Human Services, the Centers for Disease Control and Prevention, the National Center for Emerging Zoonotic and Infectious Diseases, and the Division of Healthcare Quality Promotion/Office of the Director. Avaris Concepts served as the prime contractor and the Institute for Healthcare Improvement as the subcontractor for the initiative. The findings and conclusions in this report represent the views of the authors and might not reflect the views of the Centers for Disease Control and Prevention. The authors report no conflicts of interest.

Inappropriate antimicrobial use in hospitalized patients is a well‐recognized driver for the development of drug‐resistant organisms and antimicrobial‐related complications such as Clostridium difficile infection (CDI).[1, 2] Infection with C difficile affects nearly 500,000 people annually resulting in higher healthcare expenditures, longer lengths of hospital stay, and nearly 15,000 deaths.[3] Data from the Centers for Disease Control and Prevention (CDC) suggest that a 30% reduction in the use of broad‐spectrum antimicrobials, or a 5% reduction in the proportion of hospitalized patients receiving antimicrobials, could equate to a 26% reduction in CDI.[4] It is estimated that up to 50% of antimicrobial use in the hospital setting may be inappropriate.[5]

Since the Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America published guidelines for developing formal, hospital‐based antimicrobial stewardship programs in 2007, stewardship practices have been adapted by frontline providers to fit day‐to‐day inpatient care.[5] A recent review by Hamilton et al. described several studies in which stewardship practices were imbedded into daily workflows by way of checklists, education reminders, and periodic review of antimicrobial usage, as well as a multicenter pilot of point‐of‐care stewardship interventions successfully implemented by various providers including nursing, pharmacists, and hospitalists.[6]

In response to the CDC's 2010 Get Smart for Healthcare campaign, which focused on stemming antimicrobial resistance and improving antimicrobial use, the Institute for Healthcare Improvement (IHI), in partnership with the CDC, brought together experts in the field to identify practical and feasible target practices for hospital‐based stewardship and created a Driver Diagram to guide implementation efforts (Figure 1). Rohde et al. described the initial pilot testing of these practices, the decision to more actively engage frontline providers, and the 3 key strategies identified as high‐yield improvement targets: enhancing the visibility of antimicrobial use at the point of care, creating easily accessible antimicrobial guidelines for common infections, and the implementation of a 72‐hour timeout after initiation of antimicrobials.[7]

Figure 1
Shown is the Antibiotic Stewardship Driver Diagram that was developed as part of the Centers for Disease Control and Prevention (CDC) and Institute for Healthcare Improvement partnered efforts to stem antimicrobial overuse through the CDC's Get Smart for Healthcare campaign. Eight pilot hospitals were recruited to participate in field testing and to refine the diagram in a variety of settings from September 2011 through June 2012.

In this article, we describe how, in partnership with the IHI and the CDC, the hospital medicine programs at 5 diverse hospitals iteratively tested these 3 strategies with a goal of identifying the barriers and facilitators to effective hospitalist‐led antimicrobial stewardship.

METHODS

Representatives from 5 hospital medicine programs, IHI, and the CDC attended a kick‐off meeting at the CDC in November 2012 to discuss the 3 proposed strategies, examples of prior testing, and ideas for implementation. Each hospitalist provided a high‐level summary of the current state of stewardship efforts at their respective institutions, identified possible future states related to the improvement strategies, and anticipated problems in achieving them. The 3 key strategies are described below.

Improved Documentation/Visibility at Points of Care

Making antimicrobial indication, day of therapy, and anticipated duration transparent in the medical record was the targeted improvement strategy to avoid unnecessary antimicrobial days that can result from provider uncertainty, particularly during patient handoffs. Daily hospitalist documentation was identified as a vehicle through which these aspects of antimicrobial use could be effectively communicated and propagated from provider to provider.

Stewardship educational sessions and/or awareness campaigns were hospitalist led, and were accompanied by follow‐up reminders in the forms of emails, texts, flyers, or conferences. Infectious disease physicians were not directly involved in education but were available for consultation if needed.

Improved Guideline Clarity and Accessibility

Enhancing the availability of guidelines for frequently encountered infections and clarifying key guideline recommendations such as treatment duration were identified as the improvement strategies to help make treatment regimens more appropriate and consistent across providers.

Interventions included designing simplified pocket cards for commonly encountered infections, (see Supporting Information, Appendix A, in the online version of this article), collaborating with infectious disease physicians on guideline development, and dissemination through email, smartphone, and wall flyers, and creation of a continuous medical education module focused on stewardship practices.

72‐Hour Antimicrobial Timeout

The 72‐hour antimicrobial timeout required that hospitalists routinely reassess antimicrobial use 72 hours following antimicrobial initiation, a time when most pertinent culture data had returned. Hospitalists partnered with clinical pharmacists at all sites, and addressed the following questions during each timeout: (1) Does the patient have a condition that requires continued use of antimicrobials? (2) Can the current antimicrobial regimen be tailored based on culture data? (3) What is the anticipated treatment duration? A variety of modifications occurred during timeouts, including broadening or narrowing the antimicrobial regimen based on culture data, switching to an oral antimicrobial, adjusting dose or frequency based on patient‐specific factors, as well as discontinuation of antimicrobials. Following the initial timeout, further adjustments were made as the clinical situation dictated; intermittent partnered timeouts continued during a patient's hospitalization on an individualized basis. Hospitalists were encouraged to independently review new diagnostic information daily and make changes as needed outside the dedicated time‐out sessions. All decisions to adjust antimicrobial regimens were provider driven; no hospitals employed automated antimicrobial discontinuation without provider input.

Implementation and Evaluation

Each site was tasked with conducting small tests of change aimed at implementing at least 1, and ideally all 3 strategies. Small, reasonably achievable interventions were preferred to large hospital‐wide initiatives so that key barriers and facilitators to the change could be quickly identified and addressed.

Methods of data collection varied across institutions and included anonymous physician survey, face‐to‐face physician interviews, and medical record review. Evaluations of hospital‐specific interventions utilized convenience samples to obtain real time, actionable data. Postintervention data were distributed through biweekly calls and compiled at the conclusion of the project. Barriers and facilitators of hospitalist‐centered antimicrobial stewardship collected over the course of the project were reviewed and used to identify common themes.

RESULTS

Participating hospitals included 1 community nonteaching hospital, 2 community teaching hospitals, and 2 academic medical centers. All hospitals used computerized order entry and had prior quality improvement experience; 4 out of 5 hospitals used electronic medical records. Postintervention data on antimicrobial documentation and timeouts were compiled, shared, and successes identified. For example, 2 hospitals saw an increase in complete antimicrobial documentation from 4% and 8% to 51% and 65%, respectively, of medical records reviewed over a 3‐month period. Additionally, cumulative timeout data across all hospitals showed that out of 726 antimicrobial timeouts evaluated, optimization or discontinuation occurred 218 times or 30% of the time.

Each site's key implementation barriers and facilitators were collected. Examples were compiled and common themes emerged (Table 1).

Common Themes of Barriers and Facilitators to Antimicrobial Stewardship Within Each Hospitalist Program With Accompanying Examples
  • NOTE: Barriers and facilitators were collected during biweekly conference calls as well as upon conclusion of our initiative.

Barriers: What impediments did we experience during our stewardship project? Schedule and practice variability Physician variability in structure of antimicrobial documentation
Prescribing etiquette: it's difficult to change course of treatment plan started by a colleague
Competing schedule demands of hospitalist and pharmacist
Skepticism of antimicrobial stewardship importance Perception of incorporating stewardship practices into daily work as time consuming
Improvement project fatigue from competing quality improvement initiatives
Unclear leadership buy‐in
Focusing too broadly Choosing large initial interventions, which take significant time/effort to complete and quantify
Setting unrealistic expectations (eg, expecting perfect adherence to documentation, guidelines, or timeout)
Facilitators: What countermeasures did we target to overcome barriers? Engage the hospitalists Establish a core part of the hospitalist group as stewardship champions
Speak 1‐on‐1 to colleagues about specific goals and ways to achieve them
Establish buy‐in from leadership
Encourage participation from a multidisciplinary team (eg, bedside nursing, clinical pharmacists)
Collect real time data and feedback Utilize a data collection tool if possible/engage hospital coders to identify appropriate diagnoses
Define your question and identify baseline data prior to intervention
Give rapid cycle feedback to colleagues that can impact antimicrobial prescribing in real time
Recognize and reward high performers
Limit scope Start with small, quickly implementable interventions
Identify interventions that are easy to integrate into hospitalist workflow

DISCUSSION

We successfully brought together hospitalists from diverse institutions to undertake small tests of change aimed at 3 key antimicrobial use improvement strategies. Following our interventions, significant improvement in antimicrobial documentation occurred at 2 institutions focusing on this improvement strategy, and 72‐hour timeouts performed across all hospitals tailored antimicrobial use in 30% of the sessions. Through frequent collaborative discussions and information sharing, we were able to identify common barriers and facilitators to hospitalist‐centered stewardship efforts.

Each participating hospital medicine program noticed a gradual shift in thinking among their colleagues, from initial skepticism about embedding stewardship within their daily workflow, to general acceptance that it was a worthwhile and meaningful endeavor. We posited that this transition in belief and behavior evolved for several reasons. First, each group was educated about their own, personal prescribing practices from the outset rather than presenting abstract data. This allowed for ownership of the problem and buy‐in to improve it. Second, participants were able to experience the benefits at an individual level while the interventions were ongoing (eg, having other providers reciprocate structured documentation during patient handoffs, making antimicrobial plans clearer), reinforcing the achievability of stewardship practices within each group. Additionally, we focused on making small, manageable interventions that did not seem disruptive to hospitalists' daily workflow. For example, 1 group instituted antimicrobial timeouts during preexisting multidisciplinary rounds with clinical pharmacists. Last, project champions had both leadership and frontline roles within their groups and set the example for stewardship practices, which conveyed that this was a priority at the leadership level. These findings are in line with those of Charani et al., who evaluated behavior change strategies that influence antimicrobial prescribing in acute care. The authors found that behavioral determinants and social norms strongly influence prescribing practices in acute care, and that antimicrobial stewardship improvement projects should account for these influences.[8]

We also identified several barriers to antimicrobial stewardship implementation (Table 1) and proposed measures to address these barriers in future improvement efforts. For example, hospital medicine programs without a preexisting clinical pharmacy partnership asked hospitalist leadership for more direct clinical pharmacy involvement, recognizing the importance of a physician‐pharmacy alliance for stewardship efforts. To more effectively embed antimicrobial stewardship into daily routine, several hospitalists suggested standardized order sets for commonly encountered infections, as well as routine feedback on prescribing practices. Furthermore, although our simplified antimicrobial guideline pocket card enhanced access to this information, several colleagues suggested a smart phone application that would make access even easier and less cumbersome. Last, given the concern about the sustainability of antimicrobial stewardship initiatives, we recommended periodic reminders, random medical record review, and re‐education if necessary on our 3 strategies and their purpose.

Our study is not without limitations. Each participating hospitalist group enacted hospital‐specific interventions based on individual hospitalist program needs and goals, and although there was collective discussion, no group was tasked to undertake another group's initiative, thereby limiting generalizability. We did, however, identify common facilitators that could be adapted to a wide variety of hospitalist programs. We also note that our 3 main strategies were included in a recent review of quality indicators for measuring the success of antimicrobial stewardship programs; thus, although details of individual practice may vary, in principle these concepts can help identify areas for improvement within each unique stewardship program.[9] Importantly, we were unable to evaluate the impact of the 3 key improvement strategies on important clinical outcomes such as overall antimicrobial use, complications including CDI, and cost. However, others have found that improvement strategies similar to our 3 key processes are associated with meaningful improvements in clinical outcomes as well as reductions in healthcare costs.[10, 11] Last, long‐ term impact and sustainability were not evaluated. By choosing interventions that were viewed by frontline providers as valuable and attainable, however, we feel that each group will likely continue current practices beyond the initial evaluation timeframe.

Although these 5 hospitalist groups were able to successfully implement several aspects of the 3 key improvement strategies, we recognize that this is only the first step. Further effort is needed to quantify the impact of these improvement efforts on objective patient outcomes such as readmissions, length of stay, and antimicrobial‐related complications, which will better inform our local and national leaders on the inherent clinical and financial gains associated with hospitalist‐led stewardship work. Finally, creative ways to better integrate stewardship activities into existing provider workflows (eg, decision support and automation) will further accelerate improvement efforts.

In summary, hospitalists at 5 diverse institutions successfully implemented key antimicrobial improvement strategies and identified important implementation facilitators and barriers. Future efforts at hospitalist‐led stewardship should focus on strategies to scale‐up interventions and evaluate their impact on clinical outcomes and cost.

Acknowledgements

The authors thank Latoya Kuhn, MPH, for her assistance with statistical analyses. We also thank the clinical pharmacists at each institution for their partnership in stewardship efforts: Patrick Arnold, PharmD, and Matthew Tupps, PharmD, MHA, from University of Michigan Hospital and Health System; and Roland Tam, PharmD, from Emory Johns Creek Hospital.

Disclosures: Dr. Flanders reports consulting fees or honoraria from the Institute for Healthcare Improvement, has provided consultancy to the Society of Hospital Medicine, has served as a reviewer for expert testimony, received honoraria as a visiting lecturer to various hospitals, and has received royalties from publisher John Wiley & Sons. He has also received grant funding from Blue Cross Blue Shield of Michigan and the Agency for Healthcare Research and Quality. Dr. Ko reports consultancy for the American Hospital Association and the Society of Hospital Medicine involving work with catheter‐associated urinary tract infections. Ms. Jacobsen reports grant funding from the Institute for Healthcare Improvement. Dr. Rosenberg reports consultancy for Bristol‐Myers Squibb, Forest Pharmaceuticals, and Pfizer. The funding source for this collaborative was through the Institute for Healthcare Improvement and Centers for Disease Control and Prevention. Funding was provided by the Department of Health and Human Services, the Centers for Disease Control and Prevention, the National Center for Emerging Zoonotic and Infectious Diseases, and the Division of Healthcare Quality Promotion/Office of the Director. Avaris Concepts served as the prime contractor and the Institute for Healthcare Improvement as the subcontractor for the initiative. The findings and conclusions in this report represent the views of the authors and might not reflect the views of the Centers for Disease Control and Prevention. The authors report no conflicts of interest.

References
  1. Maragakis LL, Perencevich EN, Cosgrove SE. Clinical and economic burden of antimicrobial resistance. Expert Rev Anti Infect Ther. 2008;6(5):751763.
  2. Roberts RR, Hota B, Ahmad I, et al. Hospital and societal costs of antimicrobial‐resistant infections in a Chicago teaching hospital: implications for antibiotic stewardship. Clin Infect Dis. 2009;49(8):11751184.
  3. Lessa FC, Mu Y, Bamberg WM, et al. Burden of Clostridium difficile infection in the United States. N Engl J Med. 2015;372(9):825834.
  4. Fridkin S, Baggs J, Fagan R, et al.; Centers for Disease Control and Prevention (CDC). Vital signs: improving antibiotic use among hospitalized patients. MMWR Morb Mortal Wkly Rep. 2014;63(9):194200.
  5. Dellit TH1, Owens RC, McGowan JE, et al.; Infectious Diseases Society of America; Society for Healthcare Epidemiology of America. Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America guidelines for developing an institutional program to enhance antimicrobial stewardship. Clin Infect Dis. 2007;44(2):159177.
  6. Hamilton KW, Gerber JS, Moehring R, et al.; Centers for Disease Control and Prevention Epicenters Program. Point‐of‐prescription interventions to improve antimicrobial stewardship. Clin Infect Dis. 2015;60(8):12521258.
  7. Rohde JM, Jacobsen D, Rosenberg DJ. Role of the hospitalist in antimicrobial stewardship: a review of work completed and description of a multisite collaborative. Clin Ther. 2013;35(6):751757.
  8. Charani E, Edwards R, Sevdalis N, et al. Behavior change strategies to influence antimicrobial prescribing in acute care: a systematic review. Clin Infect Dis. 2011;53(7):651662.
  9. Bosch , Geerlings SE, Natsch S, Prins JM, Hulscher ME. Quality indicators to measure appropriate antibiotic use in hospitalized adults. Clin Infect Dis. 2015;60(2):281291.
  10. Bosso JA, Drew RH. Application of antimicrobial stewardship to optimise management of community acquired pneumonia. Int J Clin Pract. 2011;65(7):775783.
  11. Davey P, Brown E, Charani E, et al. Interventions to improve antibiotic prescribing practices for hospital inpatients. Cochrane Database Syst Rev. 2013;4:CD003543.
References
  1. Maragakis LL, Perencevich EN, Cosgrove SE. Clinical and economic burden of antimicrobial resistance. Expert Rev Anti Infect Ther. 2008;6(5):751763.
  2. Roberts RR, Hota B, Ahmad I, et al. Hospital and societal costs of antimicrobial‐resistant infections in a Chicago teaching hospital: implications for antibiotic stewardship. Clin Infect Dis. 2009;49(8):11751184.
  3. Lessa FC, Mu Y, Bamberg WM, et al. Burden of Clostridium difficile infection in the United States. N Engl J Med. 2015;372(9):825834.
  4. Fridkin S, Baggs J, Fagan R, et al.; Centers for Disease Control and Prevention (CDC). Vital signs: improving antibiotic use among hospitalized patients. MMWR Morb Mortal Wkly Rep. 2014;63(9):194200.
  5. Dellit TH1, Owens RC, McGowan JE, et al.; Infectious Diseases Society of America; Society for Healthcare Epidemiology of America. Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America guidelines for developing an institutional program to enhance antimicrobial stewardship. Clin Infect Dis. 2007;44(2):159177.
  6. Hamilton KW, Gerber JS, Moehring R, et al.; Centers for Disease Control and Prevention Epicenters Program. Point‐of‐prescription interventions to improve antimicrobial stewardship. Clin Infect Dis. 2015;60(8):12521258.
  7. Rohde JM, Jacobsen D, Rosenberg DJ. Role of the hospitalist in antimicrobial stewardship: a review of work completed and description of a multisite collaborative. Clin Ther. 2013;35(6):751757.
  8. Charani E, Edwards R, Sevdalis N, et al. Behavior change strategies to influence antimicrobial prescribing in acute care: a systematic review. Clin Infect Dis. 2011;53(7):651662.
  9. Bosch , Geerlings SE, Natsch S, Prins JM, Hulscher ME. Quality indicators to measure appropriate antibiotic use in hospitalized adults. Clin Infect Dis. 2015;60(2):281291.
  10. Bosso JA, Drew RH. Application of antimicrobial stewardship to optimise management of community acquired pneumonia. Int J Clin Pract. 2011;65(7):775783.
  11. Davey P, Brown E, Charani E, et al. Interventions to improve antibiotic prescribing practices for hospital inpatients. Cochrane Database Syst Rev. 2013;4:CD003543.
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What if there was a quality improvement initiative that had been proven in multiple, peer‐reviewed publications to improve individual patient outcomes, reduce the overall burden of antimicrobial resistance, and save healthcare dollars? Surely such an initiative would enjoy widespread, if not uniform, adoption by health care facilities. Antimicrobial stewardship is just such an intervention. Ensuring that hospitalized patients receive the right antimicrobial, at the right dose, at the right time, and for the right duration has been shown to reduce mortality,1 reduce the risks of Clostridium difficileassociated diarrhea,2 shorten length of stay,3 reduce overall antimicrobial resistance within the facility,4 and save money.5 Yet despite these benefits, antimicrobial stewardship programs and interventions are far from the norm in US hospitals.

There are 2 important myths about antimicrobial stewardship that likely contribute substantially to the gap between the recognized benefits and implementation of stewardship interventions. Dispelling these myths is a crucial step in promoting wider adoption efforts to improve antimicrobial use. The first myth stems from the very name antimicrobial stewardship program, which has created a misperception that optimal inpatient antimicrobial use is only possible in settings with formal stewardship programs that are staffed by infectious diseases (ID) physicians and pharmacist. The best guidelines on implementing stewardship programs, developed by the Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America,6 may have contributed to this misperception by suggesting that optimal programs require dedicated time from both an ID physician and an ID‐trained pharmacist. However, many hospitals do not have ID physicians on staff, and the vast majority do not have access to an ID pharmacist who is comfortable with antimicrobial stewardship. Although these traditionally staffed programs have well‐proven benefits and are an excellent goal, they are not feasible in many hospitals. However, different types of stewardship interventions, led by a variety of health care providers and specialists, also have well‐proven benefits. Although these latter experiences are much less likely to appear in peer‐reviewed medical journals, experts in antimicrobial stewardship indicate that they often hear about very successful stewardship interventions being led by groups like general clinical pharmacists, intensivists, and hospitalists. Workshops on antimicrobial stewardship are often full of attendees who are successfully improving antimicrobial use in facilities that represent the full spectrum of US hospitals: large and small, urban and rural, teaching and nonteaching. Indeed, I prefer the term antimicrobial stewardship programs and interventions to convey that improving antimicrobial use can be done, and done well, even without the ideally staffed program.

The second myth is that the only goal of stewardship programs and interventions is to stop clinicians from using antimicrobials. This misperception has led to counterproductive attitudes toward stewardship programs and interventions in some facilities. Without question, stopping unnecessary antimicrobial use is an important aspect of stewardship interventions that has well‐established benefits for patients and hospitals. That one third to one half of all inpatient antimicrobial use might be unnecessary, combined with the growing problem of C. difficile, certainly supports the goal of reducing inappropriate antimicrobial use. However, the primary goal of stewardship is to optimize antimicrobial therapy. In many instances, this does involve stopping unneeded antimicrobials, and because stopping antibiotics has the most readily demonstrable benefits on patient and financial outcomes, interventions with this aim are the subject of nearly all published studies. However, anyone who has worked on stewardship interventions can describe numerous instances when the recommendation provided was to broaden or lengthen antimicrobial therapy. Moreover, surveys indicate that, far from viewing stewardship as an intrusion or infringement on their autonomy, clinicians appreciate and even want the assistance that these efforts provide.7

If stewardship has substantial proven benefits, can be implemented in nearly any hospital setting, and is welcomed by providers, what can be done to move toward broader implementation? I believe that engaging hospitalists more fully in stewardship efforts will be a critical step in this direction. Hospitalists already provide a substantial portion of all inpatient care in the United States, and the numbers of hospitalists are growing rapidly. Moreover, they are increasingly taking the lead in a variety of quality improvement initiatives. Hence, hospitalists are ideally positioned and well suited to move stewardship efforts forward. Some, including hospitalists, have also suggested that developing a practical stewardship implementation framework would be helpful in promoting these interventions.

This suggestion has led the Centers for Disease Control and Prevention's (CDC) Get Smart for Healthcare campaign to partner with the Institute for Healthcare Improvement (IHI) and a variety of external experts (including a hospitalist) to develop such a framework using the IHI's Driver Diagram and Change Package methodology. The driver diagram seeks to identify a core set of highly influential practices that lead to a desired outcome. For optimizing antimicrobial use, the primary drivers that were identified by experts include: 1) timely and appropriate initiation of antibiotics; 2) appropriate administration and de‐escalation of therapy; 3) data monitoring and transparency (measuring and feeding back to clinicians data on antimicrobial use and resistance); and 4) improving stewardship infrastructure, knowledge, and engagement in antimicrobial stewardship efforts. Once these drivers were identified, the expert panel then identified a number of specific practices, or change concepts, that would support progress toward each driver. Now that the Driver Diagram and Change Package has been drafted, the CDC and IHI are collaborating on a pilot testing effort and are working to ensure that a substantial number of the pilot projects are led by hospitalists. Our goal is that the Driver Diagram and Change Package will be honed and refined with the help of hospitalists so that the end result will be a highly implementable set of antimicrobial stewardship interventions that can be widely applied by hospitalists around the country.

However, we need not wait for finalization of the Driver Diagram and Change Package to begin a productive collaboration on antimicrobial stewardship. In addition to the project with IHI, Get Smart for Healthcare is working to identify a variety of resources that would be useful in implementing and improving stewardship efforts. To that end, we would love to hear from any hospitalists who would like to share their experiences with stewardship interventions or who have tools (eg, order sets), ideas (eg, particularly successful intervention projects), or success stories. They can be e‐mailed to beu8@cdc.gov.

For now, I would like to suggest that there are 4 antibiotic quality improvement projects hospitalists would be ideally suited to lead. The first is ensuring that all antibiotic orders include a Dose, Duration, Indication. Efforts to improve antibiotic use are often hampered because the nonprescribing providers are not sure why the patient is on antibiotics. This problem is amplified when patients are transitioned from one provider to another or when multiple providers are involved. Specifying the duration and indication in all antibiotic orders will ensure that treatments continue for the right amount of time and would allow therapy to be stopped if the initially suspected infection is ruled out or altered if another infection is identified. The second improvement project is developing a process to ensure that any patient with a positive blood culture is on the appropriate therapy. This is a relatively straightforward intervention that is based on the patient's own microbiology results, and it ensures the optimal therapy of a serious infection. Third is the development of an intervention to encourage the reassessment of patients who are started on antibiotics for community‐acquired pneumonia (CAP). Several hospitalists have suggested that the pressure to initiate therapy quickly in cases of CAP often leads to overtreatment. Interventions that encourage a reexamination of the CAP diagnosis when the clinical situation has stabilized would likely reduce this overtreatment. And the fourth improvement project is ensuring that urinary tract infections (UTIs) in hospitalized patients are properly diagnosed and treated. Work done by hospitalists at the University of Michigan suggests that improving the diagnosis and treatment of UTIs would have a significant impact on improving antibiotic use.8 Currently, the CDC is collaborating with these investigators to develop protocols and tools to improve the treatment of inpatient UTIs.

The time to promote aggressive implementation of antimicrobial stewardship interventions has come. Clinicians are increasingly encountering infections for which there are very limited or, in some cases, no good treatment optionsand there are very few new antibiotics on the horizon. Many groups are advocating for expanded efforts to develop new antibiotics.9 Although this is crucial, it is just as important that we work now to aggressively improve the use of the agents we have. Not only might this extend the life of our current agents, but it will also help ensure that any new agents will enjoy longer periods of effectiveness. Indeed, failing to inextricably link the development of new antibiotics with efforts to improve antibiotic use is akin to buying a new car to drive on a road full of potholes. Fortunately, there are a number of interventions that have proven successful; we now need to determine how best to apply these interventions in more settings. We want and need the involvement of hospitalists in these efforts. Yes, improving antimicrobial stewardship will require investments, but past experience tells us that the alternative could prove far more costly.

Files
References
  1. Kollef MH.Inadequate antimicrobial treatment: an important determinant of outcome for hospitalized patients.Clin Infect Dis.2000;31:S131S138.
  2. Valiquette L,Cossette B,Garant MP, et al.Impact of a reduction in the use of high‐risk antibiotics on the course of an epidemic of Clostridium difficile‐associated disease caused by the hypervirulent NAP1/027 strain.Clin Infect Dis.2007;45(Suppl 2):S112S121.
  3. Omidvari K,De Boisblanc BP,Karam G, et al.Early transition to oral antibiotic therapy for community‐acquired pneumonia: duration of therapy, clinical outcomes, and cost analysis.Respir Med.1998;92:10321039.
  4. Bantar C,Sartori B,Vesco E, et al.A hospitalwide intervention program to optimize the quality of antibiotic use: impact on prescribing practice, antibiotic consumption, cost savings, and bacterial resistance.Clin Infect Dis.2003;37:180186.
  5. Agwu AL,Lee CK,Jain SK, et al.A World Wide Web‐based antimicrobial stewardship program improves efficiency, communication, and user satisfaction and reduces cost in a tertiary care pediatric medical center.Clin Infect Dis.2008;47:747753.
  6. Dellit TH,Owens RC,McGowan JE, et al.Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America guidelines for developing an institutional program to enhance antimicrobial stewardship.Clin Infect Dis.2007;44:159177.
  7. Srinivasan A,Song X,Richards A, et al.A knowledge, attitudes and beliefs survey of housestaff physicians from various specialties concerning antimicrobial use and resistance.Arch Intern Med.2004;164:14511456.
  8. Gandhi T,Flanders SA,Markovitz E, et al.Importance of urinary tract infection to antibiotic use among hospitalized patients.Infect Control Hosp Epidemiol.2009;30:193195.
  9. Infectious Diseases Society of America.The 10 × '20 Initiative: pursuing a global commitment to develop 10 new antibacterial drugs by 2020.Clin Infect Dis.2010;50:10811083.
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What if there was a quality improvement initiative that had been proven in multiple, peer‐reviewed publications to improve individual patient outcomes, reduce the overall burden of antimicrobial resistance, and save healthcare dollars? Surely such an initiative would enjoy widespread, if not uniform, adoption by health care facilities. Antimicrobial stewardship is just such an intervention. Ensuring that hospitalized patients receive the right antimicrobial, at the right dose, at the right time, and for the right duration has been shown to reduce mortality,1 reduce the risks of Clostridium difficileassociated diarrhea,2 shorten length of stay,3 reduce overall antimicrobial resistance within the facility,4 and save money.5 Yet despite these benefits, antimicrobial stewardship programs and interventions are far from the norm in US hospitals.

There are 2 important myths about antimicrobial stewardship that likely contribute substantially to the gap between the recognized benefits and implementation of stewardship interventions. Dispelling these myths is a crucial step in promoting wider adoption efforts to improve antimicrobial use. The first myth stems from the very name antimicrobial stewardship program, which has created a misperception that optimal inpatient antimicrobial use is only possible in settings with formal stewardship programs that are staffed by infectious diseases (ID) physicians and pharmacist. The best guidelines on implementing stewardship programs, developed by the Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America,6 may have contributed to this misperception by suggesting that optimal programs require dedicated time from both an ID physician and an ID‐trained pharmacist. However, many hospitals do not have ID physicians on staff, and the vast majority do not have access to an ID pharmacist who is comfortable with antimicrobial stewardship. Although these traditionally staffed programs have well‐proven benefits and are an excellent goal, they are not feasible in many hospitals. However, different types of stewardship interventions, led by a variety of health care providers and specialists, also have well‐proven benefits. Although these latter experiences are much less likely to appear in peer‐reviewed medical journals, experts in antimicrobial stewardship indicate that they often hear about very successful stewardship interventions being led by groups like general clinical pharmacists, intensivists, and hospitalists. Workshops on antimicrobial stewardship are often full of attendees who are successfully improving antimicrobial use in facilities that represent the full spectrum of US hospitals: large and small, urban and rural, teaching and nonteaching. Indeed, I prefer the term antimicrobial stewardship programs and interventions to convey that improving antimicrobial use can be done, and done well, even without the ideally staffed program.

The second myth is that the only goal of stewardship programs and interventions is to stop clinicians from using antimicrobials. This misperception has led to counterproductive attitudes toward stewardship programs and interventions in some facilities. Without question, stopping unnecessary antimicrobial use is an important aspect of stewardship interventions that has well‐established benefits for patients and hospitals. That one third to one half of all inpatient antimicrobial use might be unnecessary, combined with the growing problem of C. difficile, certainly supports the goal of reducing inappropriate antimicrobial use. However, the primary goal of stewardship is to optimize antimicrobial therapy. In many instances, this does involve stopping unneeded antimicrobials, and because stopping antibiotics has the most readily demonstrable benefits on patient and financial outcomes, interventions with this aim are the subject of nearly all published studies. However, anyone who has worked on stewardship interventions can describe numerous instances when the recommendation provided was to broaden or lengthen antimicrobial therapy. Moreover, surveys indicate that, far from viewing stewardship as an intrusion or infringement on their autonomy, clinicians appreciate and even want the assistance that these efforts provide.7

If stewardship has substantial proven benefits, can be implemented in nearly any hospital setting, and is welcomed by providers, what can be done to move toward broader implementation? I believe that engaging hospitalists more fully in stewardship efforts will be a critical step in this direction. Hospitalists already provide a substantial portion of all inpatient care in the United States, and the numbers of hospitalists are growing rapidly. Moreover, they are increasingly taking the lead in a variety of quality improvement initiatives. Hence, hospitalists are ideally positioned and well suited to move stewardship efforts forward. Some, including hospitalists, have also suggested that developing a practical stewardship implementation framework would be helpful in promoting these interventions.

This suggestion has led the Centers for Disease Control and Prevention's (CDC) Get Smart for Healthcare campaign to partner with the Institute for Healthcare Improvement (IHI) and a variety of external experts (including a hospitalist) to develop such a framework using the IHI's Driver Diagram and Change Package methodology. The driver diagram seeks to identify a core set of highly influential practices that lead to a desired outcome. For optimizing antimicrobial use, the primary drivers that were identified by experts include: 1) timely and appropriate initiation of antibiotics; 2) appropriate administration and de‐escalation of therapy; 3) data monitoring and transparency (measuring and feeding back to clinicians data on antimicrobial use and resistance); and 4) improving stewardship infrastructure, knowledge, and engagement in antimicrobial stewardship efforts. Once these drivers were identified, the expert panel then identified a number of specific practices, or change concepts, that would support progress toward each driver. Now that the Driver Diagram and Change Package has been drafted, the CDC and IHI are collaborating on a pilot testing effort and are working to ensure that a substantial number of the pilot projects are led by hospitalists. Our goal is that the Driver Diagram and Change Package will be honed and refined with the help of hospitalists so that the end result will be a highly implementable set of antimicrobial stewardship interventions that can be widely applied by hospitalists around the country.

However, we need not wait for finalization of the Driver Diagram and Change Package to begin a productive collaboration on antimicrobial stewardship. In addition to the project with IHI, Get Smart for Healthcare is working to identify a variety of resources that would be useful in implementing and improving stewardship efforts. To that end, we would love to hear from any hospitalists who would like to share their experiences with stewardship interventions or who have tools (eg, order sets), ideas (eg, particularly successful intervention projects), or success stories. They can be e‐mailed to beu8@cdc.gov.

For now, I would like to suggest that there are 4 antibiotic quality improvement projects hospitalists would be ideally suited to lead. The first is ensuring that all antibiotic orders include a Dose, Duration, Indication. Efforts to improve antibiotic use are often hampered because the nonprescribing providers are not sure why the patient is on antibiotics. This problem is amplified when patients are transitioned from one provider to another or when multiple providers are involved. Specifying the duration and indication in all antibiotic orders will ensure that treatments continue for the right amount of time and would allow therapy to be stopped if the initially suspected infection is ruled out or altered if another infection is identified. The second improvement project is developing a process to ensure that any patient with a positive blood culture is on the appropriate therapy. This is a relatively straightforward intervention that is based on the patient's own microbiology results, and it ensures the optimal therapy of a serious infection. Third is the development of an intervention to encourage the reassessment of patients who are started on antibiotics for community‐acquired pneumonia (CAP). Several hospitalists have suggested that the pressure to initiate therapy quickly in cases of CAP often leads to overtreatment. Interventions that encourage a reexamination of the CAP diagnosis when the clinical situation has stabilized would likely reduce this overtreatment. And the fourth improvement project is ensuring that urinary tract infections (UTIs) in hospitalized patients are properly diagnosed and treated. Work done by hospitalists at the University of Michigan suggests that improving the diagnosis and treatment of UTIs would have a significant impact on improving antibiotic use.8 Currently, the CDC is collaborating with these investigators to develop protocols and tools to improve the treatment of inpatient UTIs.

The time to promote aggressive implementation of antimicrobial stewardship interventions has come. Clinicians are increasingly encountering infections for which there are very limited or, in some cases, no good treatment optionsand there are very few new antibiotics on the horizon. Many groups are advocating for expanded efforts to develop new antibiotics.9 Although this is crucial, it is just as important that we work now to aggressively improve the use of the agents we have. Not only might this extend the life of our current agents, but it will also help ensure that any new agents will enjoy longer periods of effectiveness. Indeed, failing to inextricably link the development of new antibiotics with efforts to improve antibiotic use is akin to buying a new car to drive on a road full of potholes. Fortunately, there are a number of interventions that have proven successful; we now need to determine how best to apply these interventions in more settings. We want and need the involvement of hospitalists in these efforts. Yes, improving antimicrobial stewardship will require investments, but past experience tells us that the alternative could prove far more costly.

What if there was a quality improvement initiative that had been proven in multiple, peer‐reviewed publications to improve individual patient outcomes, reduce the overall burden of antimicrobial resistance, and save healthcare dollars? Surely such an initiative would enjoy widespread, if not uniform, adoption by health care facilities. Antimicrobial stewardship is just such an intervention. Ensuring that hospitalized patients receive the right antimicrobial, at the right dose, at the right time, and for the right duration has been shown to reduce mortality,1 reduce the risks of Clostridium difficileassociated diarrhea,2 shorten length of stay,3 reduce overall antimicrobial resistance within the facility,4 and save money.5 Yet despite these benefits, antimicrobial stewardship programs and interventions are far from the norm in US hospitals.

There are 2 important myths about antimicrobial stewardship that likely contribute substantially to the gap between the recognized benefits and implementation of stewardship interventions. Dispelling these myths is a crucial step in promoting wider adoption efforts to improve antimicrobial use. The first myth stems from the very name antimicrobial stewardship program, which has created a misperception that optimal inpatient antimicrobial use is only possible in settings with formal stewardship programs that are staffed by infectious diseases (ID) physicians and pharmacist. The best guidelines on implementing stewardship programs, developed by the Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America,6 may have contributed to this misperception by suggesting that optimal programs require dedicated time from both an ID physician and an ID‐trained pharmacist. However, many hospitals do not have ID physicians on staff, and the vast majority do not have access to an ID pharmacist who is comfortable with antimicrobial stewardship. Although these traditionally staffed programs have well‐proven benefits and are an excellent goal, they are not feasible in many hospitals. However, different types of stewardship interventions, led by a variety of health care providers and specialists, also have well‐proven benefits. Although these latter experiences are much less likely to appear in peer‐reviewed medical journals, experts in antimicrobial stewardship indicate that they often hear about very successful stewardship interventions being led by groups like general clinical pharmacists, intensivists, and hospitalists. Workshops on antimicrobial stewardship are often full of attendees who are successfully improving antimicrobial use in facilities that represent the full spectrum of US hospitals: large and small, urban and rural, teaching and nonteaching. Indeed, I prefer the term antimicrobial stewardship programs and interventions to convey that improving antimicrobial use can be done, and done well, even without the ideally staffed program.

The second myth is that the only goal of stewardship programs and interventions is to stop clinicians from using antimicrobials. This misperception has led to counterproductive attitudes toward stewardship programs and interventions in some facilities. Without question, stopping unnecessary antimicrobial use is an important aspect of stewardship interventions that has well‐established benefits for patients and hospitals. That one third to one half of all inpatient antimicrobial use might be unnecessary, combined with the growing problem of C. difficile, certainly supports the goal of reducing inappropriate antimicrobial use. However, the primary goal of stewardship is to optimize antimicrobial therapy. In many instances, this does involve stopping unneeded antimicrobials, and because stopping antibiotics has the most readily demonstrable benefits on patient and financial outcomes, interventions with this aim are the subject of nearly all published studies. However, anyone who has worked on stewardship interventions can describe numerous instances when the recommendation provided was to broaden or lengthen antimicrobial therapy. Moreover, surveys indicate that, far from viewing stewardship as an intrusion or infringement on their autonomy, clinicians appreciate and even want the assistance that these efforts provide.7

If stewardship has substantial proven benefits, can be implemented in nearly any hospital setting, and is welcomed by providers, what can be done to move toward broader implementation? I believe that engaging hospitalists more fully in stewardship efforts will be a critical step in this direction. Hospitalists already provide a substantial portion of all inpatient care in the United States, and the numbers of hospitalists are growing rapidly. Moreover, they are increasingly taking the lead in a variety of quality improvement initiatives. Hence, hospitalists are ideally positioned and well suited to move stewardship efforts forward. Some, including hospitalists, have also suggested that developing a practical stewardship implementation framework would be helpful in promoting these interventions.

This suggestion has led the Centers for Disease Control and Prevention's (CDC) Get Smart for Healthcare campaign to partner with the Institute for Healthcare Improvement (IHI) and a variety of external experts (including a hospitalist) to develop such a framework using the IHI's Driver Diagram and Change Package methodology. The driver diagram seeks to identify a core set of highly influential practices that lead to a desired outcome. For optimizing antimicrobial use, the primary drivers that were identified by experts include: 1) timely and appropriate initiation of antibiotics; 2) appropriate administration and de‐escalation of therapy; 3) data monitoring and transparency (measuring and feeding back to clinicians data on antimicrobial use and resistance); and 4) improving stewardship infrastructure, knowledge, and engagement in antimicrobial stewardship efforts. Once these drivers were identified, the expert panel then identified a number of specific practices, or change concepts, that would support progress toward each driver. Now that the Driver Diagram and Change Package has been drafted, the CDC and IHI are collaborating on a pilot testing effort and are working to ensure that a substantial number of the pilot projects are led by hospitalists. Our goal is that the Driver Diagram and Change Package will be honed and refined with the help of hospitalists so that the end result will be a highly implementable set of antimicrobial stewardship interventions that can be widely applied by hospitalists around the country.

However, we need not wait for finalization of the Driver Diagram and Change Package to begin a productive collaboration on antimicrobial stewardship. In addition to the project with IHI, Get Smart for Healthcare is working to identify a variety of resources that would be useful in implementing and improving stewardship efforts. To that end, we would love to hear from any hospitalists who would like to share their experiences with stewardship interventions or who have tools (eg, order sets), ideas (eg, particularly successful intervention projects), or success stories. They can be e‐mailed to beu8@cdc.gov.

For now, I would like to suggest that there are 4 antibiotic quality improvement projects hospitalists would be ideally suited to lead. The first is ensuring that all antibiotic orders include a Dose, Duration, Indication. Efforts to improve antibiotic use are often hampered because the nonprescribing providers are not sure why the patient is on antibiotics. This problem is amplified when patients are transitioned from one provider to another or when multiple providers are involved. Specifying the duration and indication in all antibiotic orders will ensure that treatments continue for the right amount of time and would allow therapy to be stopped if the initially suspected infection is ruled out or altered if another infection is identified. The second improvement project is developing a process to ensure that any patient with a positive blood culture is on the appropriate therapy. This is a relatively straightforward intervention that is based on the patient's own microbiology results, and it ensures the optimal therapy of a serious infection. Third is the development of an intervention to encourage the reassessment of patients who are started on antibiotics for community‐acquired pneumonia (CAP). Several hospitalists have suggested that the pressure to initiate therapy quickly in cases of CAP often leads to overtreatment. Interventions that encourage a reexamination of the CAP diagnosis when the clinical situation has stabilized would likely reduce this overtreatment. And the fourth improvement project is ensuring that urinary tract infections (UTIs) in hospitalized patients are properly diagnosed and treated. Work done by hospitalists at the University of Michigan suggests that improving the diagnosis and treatment of UTIs would have a significant impact on improving antibiotic use.8 Currently, the CDC is collaborating with these investigators to develop protocols and tools to improve the treatment of inpatient UTIs.

The time to promote aggressive implementation of antimicrobial stewardship interventions has come. Clinicians are increasingly encountering infections for which there are very limited or, in some cases, no good treatment optionsand there are very few new antibiotics on the horizon. Many groups are advocating for expanded efforts to develop new antibiotics.9 Although this is crucial, it is just as important that we work now to aggressively improve the use of the agents we have. Not only might this extend the life of our current agents, but it will also help ensure that any new agents will enjoy longer periods of effectiveness. Indeed, failing to inextricably link the development of new antibiotics with efforts to improve antibiotic use is akin to buying a new car to drive on a road full of potholes. Fortunately, there are a number of interventions that have proven successful; we now need to determine how best to apply these interventions in more settings. We want and need the involvement of hospitalists in these efforts. Yes, improving antimicrobial stewardship will require investments, but past experience tells us that the alternative could prove far more costly.

References
  1. Kollef MH.Inadequate antimicrobial treatment: an important determinant of outcome for hospitalized patients.Clin Infect Dis.2000;31:S131S138.
  2. Valiquette L,Cossette B,Garant MP, et al.Impact of a reduction in the use of high‐risk antibiotics on the course of an epidemic of Clostridium difficile‐associated disease caused by the hypervirulent NAP1/027 strain.Clin Infect Dis.2007;45(Suppl 2):S112S121.
  3. Omidvari K,De Boisblanc BP,Karam G, et al.Early transition to oral antibiotic therapy for community‐acquired pneumonia: duration of therapy, clinical outcomes, and cost analysis.Respir Med.1998;92:10321039.
  4. Bantar C,Sartori B,Vesco E, et al.A hospitalwide intervention program to optimize the quality of antibiotic use: impact on prescribing practice, antibiotic consumption, cost savings, and bacterial resistance.Clin Infect Dis.2003;37:180186.
  5. Agwu AL,Lee CK,Jain SK, et al.A World Wide Web‐based antimicrobial stewardship program improves efficiency, communication, and user satisfaction and reduces cost in a tertiary care pediatric medical center.Clin Infect Dis.2008;47:747753.
  6. Dellit TH,Owens RC,McGowan JE, et al.Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America guidelines for developing an institutional program to enhance antimicrobial stewardship.Clin Infect Dis.2007;44:159177.
  7. Srinivasan A,Song X,Richards A, et al.A knowledge, attitudes and beliefs survey of housestaff physicians from various specialties concerning antimicrobial use and resistance.Arch Intern Med.2004;164:14511456.
  8. Gandhi T,Flanders SA,Markovitz E, et al.Importance of urinary tract infection to antibiotic use among hospitalized patients.Infect Control Hosp Epidemiol.2009;30:193195.
  9. Infectious Diseases Society of America.The 10 × '20 Initiative: pursuing a global commitment to develop 10 new antibacterial drugs by 2020.Clin Infect Dis.2010;50:10811083.
References
  1. Kollef MH.Inadequate antimicrobial treatment: an important determinant of outcome for hospitalized patients.Clin Infect Dis.2000;31:S131S138.
  2. Valiquette L,Cossette B,Garant MP, et al.Impact of a reduction in the use of high‐risk antibiotics on the course of an epidemic of Clostridium difficile‐associated disease caused by the hypervirulent NAP1/027 strain.Clin Infect Dis.2007;45(Suppl 2):S112S121.
  3. Omidvari K,De Boisblanc BP,Karam G, et al.Early transition to oral antibiotic therapy for community‐acquired pneumonia: duration of therapy, clinical outcomes, and cost analysis.Respir Med.1998;92:10321039.
  4. Bantar C,Sartori B,Vesco E, et al.A hospitalwide intervention program to optimize the quality of antibiotic use: impact on prescribing practice, antibiotic consumption, cost savings, and bacterial resistance.Clin Infect Dis.2003;37:180186.
  5. Agwu AL,Lee CK,Jain SK, et al.A World Wide Web‐based antimicrobial stewardship program improves efficiency, communication, and user satisfaction and reduces cost in a tertiary care pediatric medical center.Clin Infect Dis.2008;47:747753.
  6. Dellit TH,Owens RC,McGowan JE, et al.Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America guidelines for developing an institutional program to enhance antimicrobial stewardship.Clin Infect Dis.2007;44:159177.
  7. Srinivasan A,Song X,Richards A, et al.A knowledge, attitudes and beliefs survey of housestaff physicians from various specialties concerning antimicrobial use and resistance.Arch Intern Med.2004;164:14511456.
  8. Gandhi T,Flanders SA,Markovitz E, et al.Importance of urinary tract infection to antibiotic use among hospitalized patients.Infect Control Hosp Epidemiol.2009;30:193195.
  9. Infectious Diseases Society of America.The 10 × '20 Initiative: pursuing a global commitment to develop 10 new antibacterial drugs by 2020.Clin Infect Dis.2010;50:10811083.
Issue
Journal of Hospital Medicine - 6(1)
Issue
Journal of Hospital Medicine - 6(1)
Page Number
S31-S33
Page Number
S31-S33
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Engaging hospitalists in antimicrobial stewardship: The CDC perspective
Display Headline
Engaging hospitalists in antimicrobial stewardship: The CDC perspective
Legacy Keywords
antimicrobial stewardship, , length of stay, quality improvement
Legacy Keywords
antimicrobial stewardship, , length of stay, quality improvement
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