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Hospitalized COVID-19 patients with high troponin levels are twice as likely to have cardiac abnormalities than those with normal troponin, with or without COVID-19, a multicenter U.K. study suggests.
The causes were diverse, myocarditis prevalence was lower than previously reported, and myocardial scar emerged as an independent risk factor for adverse cardiovascular outcomes at 12 months.
“We know that multiorgan involvement in hospitalized patients with COVID-19 is common ... and may result in acute myocardial injury, detected by an increase in cardiac troponin concentrations,” John P. Greenwood, PhD, of the University of Leeds (England), told this news organization. “Elevated cardiac troponin is associated with a worse prognosis.”
“Multiple mechanisms of myocardial injury have been proposed and ... mitigation or prevention strategies likely depend on the underpinning mechanisms,” he said. “The sequelae of scar may predispose to late events.”
The study, published online in Circulation, also identified a new pattern of microinfarction on cardiac magnetic resonance (CMR) imaging, highlighting the pro-thrombotic nature of SARS-CoV-2, Dr. Greenwood said.
Injury patterns different
Three hundred and forty-two patients with COVID-19 and elevated troponin levels (COVID+/troponin+) across 25 centers were enrolled between June 2020 and March 2021 in COVID-HEART, deemed an “urgent public health study” in the United Kingdom. The aim was to characterize myocardial injury and its associations and sequelae in convalescent patients after hospitalization with COVID-19.
Enrollment took place during the Wuhan and Alpha waves of COVID-19: before vaccination and when dexamethasone and anticoagulant protocols were emerging. All participants underwent CMR at a median of 21 days after discharge.
Two prospective control groups also were recruited: 64 patients with COVID-19 and normal troponin levels (COVID+/troponin−) and 113 without COVID-19 or elevated troponin matched by age and cardiovascular comorbidities (COVID−/comorbidity+).
Overall, participants’ median age was 61 years and 69% were men. Common comorbidities included hypertension (47%), obesity (43%), and diabetes (25%).
The frequency of any heart abnormality – for example, left or right ventricular impairment, scar, or pericardial disease – was twice as great (61%) in COVID+/troponin+ cases, compared with controls (36% for COVID+/troponin− patients versus 31% for COVID−/comorbidity+ patients).
Specifically, more cases than controls had ventricular impairment (17.2% vs. 3.1% and 7.1%) or scar (42% vs. 7% and 23%).
The myocardial injury pattern differed between cases and controls, with cases more likely to have infarction (13% vs. 2% and 7%) or microinfarction (9% vs. 0% and 1%).
However, there was no between-group difference in nonischemic scar (13% vs. 5% and 14%).
The prevalence of probable recent myocarditis was 6.7% in cases, compared with 1.7% in controls without COVID-19 – “much lower” than in previous studies, Dr. Greenwood noted.
During follow-up, four COVID+/troponin+ patients (1.2%) died, and 34 (10%) experienced a subsequent major adverse cardiovascular event (MACE; 10.2%), which was similar to controls (6.1%).
Myocardial scar, but not previous COVID-19 infection or troponin level, was an independent predictor of MACE (odds ratio, 2.25).
“These findings suggest that macroangiopathic and microangiopathic thrombosis may be the key pathologic process for myocardial injury in COVID-19 survivors,” the authors conclude.
Dr. Greenwood added, “We are currently analyzing the 6-month follow-up CMR scans, the quality-of-life questionnaires, and the 6-minute walk tests. These will give us great understanding of how the heart repairs after acute myocardial injury associated with COVID-19. It will also allow us to assess the impact on patient quality of life and functional capacity.”
‘Tour de force’
James A. de Lemos, MD, co-chair of the American Heart Association’s COVID-19 CVD Registry Steering Committee and a professor of medicine at the University of Texas Southwestern Medical Center, Dallas, said, “This is a tour de force collaboration – obtaining this many MRIs across multiple centers in the pandemic is quite remarkable. The study highlights the multiple different processes that lead to cardiac injury in COVID patients, complements autopsy studies and prior smaller MRI studies, [and] also provides the best data on the rate of myocarditis to date among the subset of COVID patients with cardiac injury.”
Overall, he said, the findings “do support closer follow-up for patients who had COVID and elevated troponins. We need to see follow-up MRI results in this cohort, as well as longer term outcomes. We also need studies on newer, more benign variants that are likely to have lower rates of cardiac injury and even fewer MRI abnormalities.”
Matthias Stuber, PhD, and Aaron L. Baggish, MD, both of Lausanne University Hospital and University of Lausanne, Switzerland, noted in a related editorial, “We are also reminded that the clinical severity of COVID-19 is most often dictated by the presence of pre-existing comorbidity, with antecedent ischemic scar now added to the long list of bad actors. Although not the primary focus of the COVID-HEART study, the question of whether cardiac troponin levels should be checked routinely and universally during the index admission for COVID-19 remains unresolved,” they noted.
“In general, we are most effective as clinicians when we use tests to confirm or rule out the specific disease processes suspected by careful basic clinical assessment rather than in a shotgun manner among undifferentiated all-comers,” they conclude.
No commercial funding or relevant financial relationships were reported.
A version of this article originally appeared on Medscape.com.
Hospitalized COVID-19 patients with high troponin levels are twice as likely to have cardiac abnormalities than those with normal troponin, with or without COVID-19, a multicenter U.K. study suggests.
The causes were diverse, myocarditis prevalence was lower than previously reported, and myocardial scar emerged as an independent risk factor for adverse cardiovascular outcomes at 12 months.
“We know that multiorgan involvement in hospitalized patients with COVID-19 is common ... and may result in acute myocardial injury, detected by an increase in cardiac troponin concentrations,” John P. Greenwood, PhD, of the University of Leeds (England), told this news organization. “Elevated cardiac troponin is associated with a worse prognosis.”
“Multiple mechanisms of myocardial injury have been proposed and ... mitigation or prevention strategies likely depend on the underpinning mechanisms,” he said. “The sequelae of scar may predispose to late events.”
The study, published online in Circulation, also identified a new pattern of microinfarction on cardiac magnetic resonance (CMR) imaging, highlighting the pro-thrombotic nature of SARS-CoV-2, Dr. Greenwood said.
Injury patterns different
Three hundred and forty-two patients with COVID-19 and elevated troponin levels (COVID+/troponin+) across 25 centers were enrolled between June 2020 and March 2021 in COVID-HEART, deemed an “urgent public health study” in the United Kingdom. The aim was to characterize myocardial injury and its associations and sequelae in convalescent patients after hospitalization with COVID-19.
Enrollment took place during the Wuhan and Alpha waves of COVID-19: before vaccination and when dexamethasone and anticoagulant protocols were emerging. All participants underwent CMR at a median of 21 days after discharge.
Two prospective control groups also were recruited: 64 patients with COVID-19 and normal troponin levels (COVID+/troponin−) and 113 without COVID-19 or elevated troponin matched by age and cardiovascular comorbidities (COVID−/comorbidity+).
Overall, participants’ median age was 61 years and 69% were men. Common comorbidities included hypertension (47%), obesity (43%), and diabetes (25%).
The frequency of any heart abnormality – for example, left or right ventricular impairment, scar, or pericardial disease – was twice as great (61%) in COVID+/troponin+ cases, compared with controls (36% for COVID+/troponin− patients versus 31% for COVID−/comorbidity+ patients).
Specifically, more cases than controls had ventricular impairment (17.2% vs. 3.1% and 7.1%) or scar (42% vs. 7% and 23%).
The myocardial injury pattern differed between cases and controls, with cases more likely to have infarction (13% vs. 2% and 7%) or microinfarction (9% vs. 0% and 1%).
However, there was no between-group difference in nonischemic scar (13% vs. 5% and 14%).
The prevalence of probable recent myocarditis was 6.7% in cases, compared with 1.7% in controls without COVID-19 – “much lower” than in previous studies, Dr. Greenwood noted.
During follow-up, four COVID+/troponin+ patients (1.2%) died, and 34 (10%) experienced a subsequent major adverse cardiovascular event (MACE; 10.2%), which was similar to controls (6.1%).
Myocardial scar, but not previous COVID-19 infection or troponin level, was an independent predictor of MACE (odds ratio, 2.25).
“These findings suggest that macroangiopathic and microangiopathic thrombosis may be the key pathologic process for myocardial injury in COVID-19 survivors,” the authors conclude.
Dr. Greenwood added, “We are currently analyzing the 6-month follow-up CMR scans, the quality-of-life questionnaires, and the 6-minute walk tests. These will give us great understanding of how the heart repairs after acute myocardial injury associated with COVID-19. It will also allow us to assess the impact on patient quality of life and functional capacity.”
‘Tour de force’
James A. de Lemos, MD, co-chair of the American Heart Association’s COVID-19 CVD Registry Steering Committee and a professor of medicine at the University of Texas Southwestern Medical Center, Dallas, said, “This is a tour de force collaboration – obtaining this many MRIs across multiple centers in the pandemic is quite remarkable. The study highlights the multiple different processes that lead to cardiac injury in COVID patients, complements autopsy studies and prior smaller MRI studies, [and] also provides the best data on the rate of myocarditis to date among the subset of COVID patients with cardiac injury.”
Overall, he said, the findings “do support closer follow-up for patients who had COVID and elevated troponins. We need to see follow-up MRI results in this cohort, as well as longer term outcomes. We also need studies on newer, more benign variants that are likely to have lower rates of cardiac injury and even fewer MRI abnormalities.”
Matthias Stuber, PhD, and Aaron L. Baggish, MD, both of Lausanne University Hospital and University of Lausanne, Switzerland, noted in a related editorial, “We are also reminded that the clinical severity of COVID-19 is most often dictated by the presence of pre-existing comorbidity, with antecedent ischemic scar now added to the long list of bad actors. Although not the primary focus of the COVID-HEART study, the question of whether cardiac troponin levels should be checked routinely and universally during the index admission for COVID-19 remains unresolved,” they noted.
“In general, we are most effective as clinicians when we use tests to confirm or rule out the specific disease processes suspected by careful basic clinical assessment rather than in a shotgun manner among undifferentiated all-comers,” they conclude.
No commercial funding or relevant financial relationships were reported.
A version of this article originally appeared on Medscape.com.
Hospitalized COVID-19 patients with high troponin levels are twice as likely to have cardiac abnormalities than those with normal troponin, with or without COVID-19, a multicenter U.K. study suggests.
The causes were diverse, myocarditis prevalence was lower than previously reported, and myocardial scar emerged as an independent risk factor for adverse cardiovascular outcomes at 12 months.
“We know that multiorgan involvement in hospitalized patients with COVID-19 is common ... and may result in acute myocardial injury, detected by an increase in cardiac troponin concentrations,” John P. Greenwood, PhD, of the University of Leeds (England), told this news organization. “Elevated cardiac troponin is associated with a worse prognosis.”
“Multiple mechanisms of myocardial injury have been proposed and ... mitigation or prevention strategies likely depend on the underpinning mechanisms,” he said. “The sequelae of scar may predispose to late events.”
The study, published online in Circulation, also identified a new pattern of microinfarction on cardiac magnetic resonance (CMR) imaging, highlighting the pro-thrombotic nature of SARS-CoV-2, Dr. Greenwood said.
Injury patterns different
Three hundred and forty-two patients with COVID-19 and elevated troponin levels (COVID+/troponin+) across 25 centers were enrolled between June 2020 and March 2021 in COVID-HEART, deemed an “urgent public health study” in the United Kingdom. The aim was to characterize myocardial injury and its associations and sequelae in convalescent patients after hospitalization with COVID-19.
Enrollment took place during the Wuhan and Alpha waves of COVID-19: before vaccination and when dexamethasone and anticoagulant protocols were emerging. All participants underwent CMR at a median of 21 days after discharge.
Two prospective control groups also were recruited: 64 patients with COVID-19 and normal troponin levels (COVID+/troponin−) and 113 without COVID-19 or elevated troponin matched by age and cardiovascular comorbidities (COVID−/comorbidity+).
Overall, participants’ median age was 61 years and 69% were men. Common comorbidities included hypertension (47%), obesity (43%), and diabetes (25%).
The frequency of any heart abnormality – for example, left or right ventricular impairment, scar, or pericardial disease – was twice as great (61%) in COVID+/troponin+ cases, compared with controls (36% for COVID+/troponin− patients versus 31% for COVID−/comorbidity+ patients).
Specifically, more cases than controls had ventricular impairment (17.2% vs. 3.1% and 7.1%) or scar (42% vs. 7% and 23%).
The myocardial injury pattern differed between cases and controls, with cases more likely to have infarction (13% vs. 2% and 7%) or microinfarction (9% vs. 0% and 1%).
However, there was no between-group difference in nonischemic scar (13% vs. 5% and 14%).
The prevalence of probable recent myocarditis was 6.7% in cases, compared with 1.7% in controls without COVID-19 – “much lower” than in previous studies, Dr. Greenwood noted.
During follow-up, four COVID+/troponin+ patients (1.2%) died, and 34 (10%) experienced a subsequent major adverse cardiovascular event (MACE; 10.2%), which was similar to controls (6.1%).
Myocardial scar, but not previous COVID-19 infection or troponin level, was an independent predictor of MACE (odds ratio, 2.25).
“These findings suggest that macroangiopathic and microangiopathic thrombosis may be the key pathologic process for myocardial injury in COVID-19 survivors,” the authors conclude.
Dr. Greenwood added, “We are currently analyzing the 6-month follow-up CMR scans, the quality-of-life questionnaires, and the 6-minute walk tests. These will give us great understanding of how the heart repairs after acute myocardial injury associated with COVID-19. It will also allow us to assess the impact on patient quality of life and functional capacity.”
‘Tour de force’
James A. de Lemos, MD, co-chair of the American Heart Association’s COVID-19 CVD Registry Steering Committee and a professor of medicine at the University of Texas Southwestern Medical Center, Dallas, said, “This is a tour de force collaboration – obtaining this many MRIs across multiple centers in the pandemic is quite remarkable. The study highlights the multiple different processes that lead to cardiac injury in COVID patients, complements autopsy studies and prior smaller MRI studies, [and] also provides the best data on the rate of myocarditis to date among the subset of COVID patients with cardiac injury.”
Overall, he said, the findings “do support closer follow-up for patients who had COVID and elevated troponins. We need to see follow-up MRI results in this cohort, as well as longer term outcomes. We also need studies on newer, more benign variants that are likely to have lower rates of cardiac injury and even fewer MRI abnormalities.”
Matthias Stuber, PhD, and Aaron L. Baggish, MD, both of Lausanne University Hospital and University of Lausanne, Switzerland, noted in a related editorial, “We are also reminded that the clinical severity of COVID-19 is most often dictated by the presence of pre-existing comorbidity, with antecedent ischemic scar now added to the long list of bad actors. Although not the primary focus of the COVID-HEART study, the question of whether cardiac troponin levels should be checked routinely and universally during the index admission for COVID-19 remains unresolved,” they noted.
“In general, we are most effective as clinicians when we use tests to confirm or rule out the specific disease processes suspected by careful basic clinical assessment rather than in a shotgun manner among undifferentiated all-comers,” they conclude.
No commercial funding or relevant financial relationships were reported.
A version of this article originally appeared on Medscape.com.
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All rights reserved. This material may not be published, broadcast, copied, or otherwise reproduced or distributed without the prior written permission of Frontline Medical Communications Inc.</copyrightNotice> </rightsInfo> </provider> <abstract/> <metaDescription>Hospitalized COVID-19 patients with high troponin levels are twice as likely to have cardiac abnormalities than those with normal troponin, with or without COVI</metaDescription> <articlePDF/> <teaserImage/> <teaser>Hospitalized COVID-19 patients with high troponin levels were twice as likely to have cardiac abnormalities due to diverse causes in a large U.K. study.</teaser> <title>Cardiac issues twice as likely with COVID plus high troponin</title> <deck/> <disclaimer/> <AuthorList/> <articleURL/> <doi/> <pubMedID/> <publishXMLStatus/> <publishXMLVersion>1</publishXMLVersion> <useEISSN>0</useEISSN> <urgency/> <pubPubdateYear/> <pubPubdateMonth/> <pubPubdateDay/> <pubVolume/> <pubNumber/> <wireChannels/> <primaryCMSID/> <CMSIDs/> <keywords/> <seeAlsos/> <publications_g> <publicationData> <publicationCode>card</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> </publicationData> <publicationData> <publicationCode>chph</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> </publicationData> <publicationData> <publicationCode>endo</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> </publicationData> <publicationData> <publicationCode>fp</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> </publicationData> <publicationData> <publicationCode>hemn</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> </publicationData> <publicationData> <publicationCode>idprac</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> </publicationData> <publicationData> <publicationCode>im</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> </publicationData> <publicationData> <publicationCode>mdemed</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> <journalTitle/> <journalFullTitle/> <copyrightStatement/> </publicationData> <publicationData> <publicationCode>phh</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> <journalTitle/> <journalFullTitle/> <copyrightStatement/> </publicationData> <publicationData> <publicationCode>icymicov</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> </publicationData> </publications_g> <publications> <term>5</term> <term>6</term> <term>34</term> <term>15</term> <term>18</term> <term>20</term> <term canonical="true">21</term> <term>58877</term> <term>28442</term> <term>69586</term> </publications> <sections> <term canonical="true">27970</term> <term>39313</term> <term>94</term> </sections> <topics> <term>63993</term> <term>224</term> <term>185</term> <term>173</term> <term>304</term> <term>284</term> <term canonical="true">194</term> </topics> <links/> </header> <itemSet> <newsItem> <itemMeta> <itemRole>Main</itemRole> <itemClass>text</itemClass> <title>Cardiac issues twice as likely with COVID plus high troponin</title> <deck/> </itemMeta> <itemContent> <p>Hospitalized COVID-19 patients with high troponin levels are twice as likely to have cardiac abnormalities than those with normal troponin, with or without COVID-19, a multicenter U.K. study suggests.</p> <p>The causes were diverse, <span class="Hyperlink">myocarditis</span> prevalence was lower than previously reported, and myocardial scar emerged as an independent risk factor for adverse cardiovascular outcomes at 12 months.<br/><br/>“We know that multiorgan involvement in hospitalized patients with COVID-19 is common ... and may result in acute myocardial injury, detected by an increase in cardiac troponin concentrations,” John P. Greenwood, PhD, of the University of Leeds (England), told this news organization. “Elevated cardiac troponin is associated with a worse prognosis.”<br/><br/>“Multiple mechanisms of myocardial injury have been proposed and ... mitigation or prevention strategies likely depend on the underpinning mechanisms,” he said. “The sequelae of scar may predispose to late events.”<br/><br/>The study, <span class="Hyperlink"><a href="https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.122.060632">published online</a></span> in Circulation, also identified a new pattern of microinfarction on cardiac magnetic resonance (CMR) imaging, highlighting the pro-thrombotic nature of SARS-CoV-2, Dr. Greenwood said.<br/><br/></p> <h2>Injury patterns different</h2> <p>Three hundred and forty-two patients with COVID-19 and elevated troponin levels (COVID+/troponin+) across 25 centers were enrolled between June 2020 and March 2021 in COVID-HEART, deemed an “urgent public health study” in the United Kingdom. The aim was to characterize myocardial injury and its associations and sequelae in convalescent patients after hospitalization with COVID-19.</p> <p>Enrollment took place during the Wuhan and Alpha waves of COVID-19: before vaccination and when <span class="Hyperlink">dexamethasone</span> and anticoagulant protocols were emerging. All participants underwent CMR at a median of 21 days after discharge.<br/><br/>Two prospective control groups also were recruited: 64 patients with COVID-19 and normal troponin levels (COVID+/troponin−) and 113 without COVID-19 or elevated troponin matched by age and cardiovascular comorbidities (COVID−/comorbidity+).<br/><br/>Overall, participants’ median age was 61 years and 69% were men. Common comorbidities included <span class="Hyperlink">hypertension</span> (47%), <span class="Hyperlink">obesity</span> (43%), and diabetes (25%).<br/><br/>The frequency of any heart abnormality – for example, left or right ventricular impairment, scar, or pericardial disease – was twice as great (61%) in COVID+/troponin+ cases, compared with controls (36% for COVID+/troponin− patients versus 31% for COVID−/comorbidity+ patients).<br/><br/>Specifically, more cases than controls had ventricular impairment (17.2% vs. 3.1% and 7.1%) or scar (42% vs. 7% and 23%).<br/><br/>The myocardial injury pattern differed between cases and controls, with cases more likely to have infarction (13% vs. 2% and 7%) or microinfarction (9% vs. 0% and 1%).<br/><br/>However, there was no between-group difference in nonischemic scar (13% vs. 5% and 14%).<br/><br/>The prevalence of probable recent myocarditis was 6.7% in cases, compared with 1.7% in controls without COVID-19 – “much lower” than in previous studies, Dr. Greenwood noted.<br/><br/>During follow-up, four COVID+/troponin+ patients (1.2%) died, and 34 (10%) experienced a subsequent major adverse cardiovascular event (MACE; 10.2%), which was similar to controls (6.1%).<br/><br/>Myocardial scar, but not previous COVID-19 infection or troponin level, was an independent predictor of MACE (odds ratio, 2.25).<br/><br/>“These findings suggest that macroangiopathic and microangiopathic thrombosis may be the key pathologic process for myocardial injury in COVID-19 survivors,” the authors conclude.<br/><br/>Dr. Greenwood added, “We are currently analyzing the 6-month follow-up CMR scans, the quality-of-life questionnaires, and the 6-minute walk tests. These will give us great understanding of how the heart repairs after acute myocardial injury associated with COVID-19. It will also allow us to assess the impact on patient quality of life and functional capacity.”<br/><br/></p> <h2>‘Tour de force’</h2> <p>James A. de Lemos, MD, co-chair of the American Heart Association’s COVID-19 CVD Registry Steering Committee and a professor of medicine at the University of Texas Southwestern Medical Center, Dallas, said, “This is a tour de force collaboration – obtaining this many MRIs across multiple centers in the pandemic is quite remarkable. The study highlights the multiple different processes that lead to cardiac injury in COVID patients, complements autopsy studies and prior smaller MRI studies, [and] also provides the best data on the rate of myocarditis to date among the subset of COVID patients with cardiac injury.”</p> <p>Overall, he said, the findings “do support closer follow-up for patients who had COVID and elevated <span class="Hyperlink">troponins</span>. We need to see follow-up MRI results in this cohort, as well as longer term outcomes. We also need studies on newer, more benign variants that are likely to have lower rates of cardiac injury and even fewer MRI abnormalities.”<br/><br/>Matthias Stuber, PhD, and Aaron L. Baggish, MD, both of Lausanne University Hospital and University of Lausanne, Switzerland, noted in a <span class="Hyperlink"><a href="https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.122.062508">related editorial</a></span>, “We are also reminded that the clinical severity of COVID-19 is most often dictated by the presence of pre-existing comorbidity, with antecedent ischemic scar now added to the long list of bad actors. Although not the primary focus of the COVID-HEART study, the question of whether cardiac troponin levels should be checked routinely and universally during the index admission for COVID-19 remains unresolved,” they noted.<br/><br/>“In general, we are most effective as clinicians when we use tests to confirm or rule out the specific disease processes suspected by careful basic clinical assessment rather than in a shotgun manner among undifferentiated all-comers,” they conclude.<br/><br/>No commercial funding or relevant financial relationships were reported.<span class="end"/></p> <p> <em>A version of this article originally appeared on <span class="Hyperlink"><a href="https://www.medscape.com/viewarticle/988226">Medscape.com</a></span>.</em> </p> </itemContent> </newsItem> <newsItem> <itemMeta> <itemRole>teaser</itemRole> <itemClass>text</itemClass> <title/> <deck/> </itemMeta> <itemContent> </itemContent> </newsItem> </itemSet></root>