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Can VAP be prevented? New data suggest so
Chest Infections and Disaster Response Network
Chest Infections Section
The efficacy of prophylactic antibiotics in the prevention of VAP has been the subject of several studies in recent years. Three large randomized controlled trials, all published since late 2022, have investigated whether antibiotics can prevent VAP and the optimal method of antibiotic administration.
In the AMIKINHAL trial, patients intubated for at least 72 hours in 19 ICUs in France received inhaled amikacin at a dose of 20 mg/kg/day for 3 days.1 Compared with placebo, there was a statistically significant, 7% absolute risk reduction in rate of VAP at 28 days.
In the SUDDICU trial, patients suspected to be intubated for at least 48 hours in 19 ICUs in Australia received a combination of oral paste and gastric suspension containing colistin, tobramycin, and nystatin every 6 hours along with 4 days of intravenous antibiotics.2 There was no difference in the primary outcome of 90-day all-cause mortality; however, there was a statistically significant, 12% reduction in the isolation of antibiotic-resistant organisms in cultures.
In the PROPHY-VAP trial, patients with acute brain injury (Glasgow Coma Scale score [GCS ] ≤12) intubated for at least 48 hours in 9 ICUs in France received a single dose of intravenous ceftriaxone (2 g) within 12 hours of intubation.3 There was an 18% absolute risk reduction in VAP from days 2 to 7 post-ventilation.
These trials, involving distinct patient populations and interventions, indicate that antibiotic prophylaxis may reduce VAP risk under specific circumstances, but its effect on overall outcomes is still uncertain. The understanding of prophylactic antibiotics in VAP prevention is rapidly evolving.
References
1. Ehrmann S, et al. N Engl J Med. 2023;389(22):2052-2062.
2. Myburgh JA, et al. JAMA. 2022;328(19):1911-1921.
3. Dahyot-Fizelier C, et al. Lancet Respir Med. 2024;S2213-2600(23):00471-X.
Chest Infections and Disaster Response Network
Chest Infections Section
The efficacy of prophylactic antibiotics in the prevention of VAP has been the subject of several studies in recent years. Three large randomized controlled trials, all published since late 2022, have investigated whether antibiotics can prevent VAP and the optimal method of antibiotic administration.
In the AMIKINHAL trial, patients intubated for at least 72 hours in 19 ICUs in France received inhaled amikacin at a dose of 20 mg/kg/day for 3 days.1 Compared with placebo, there was a statistically significant, 7% absolute risk reduction in rate of VAP at 28 days.
In the SUDDICU trial, patients suspected to be intubated for at least 48 hours in 19 ICUs in Australia received a combination of oral paste and gastric suspension containing colistin, tobramycin, and nystatin every 6 hours along with 4 days of intravenous antibiotics.2 There was no difference in the primary outcome of 90-day all-cause mortality; however, there was a statistically significant, 12% reduction in the isolation of antibiotic-resistant organisms in cultures.
In the PROPHY-VAP trial, patients with acute brain injury (Glasgow Coma Scale score [GCS ] ≤12) intubated for at least 48 hours in 9 ICUs in France received a single dose of intravenous ceftriaxone (2 g) within 12 hours of intubation.3 There was an 18% absolute risk reduction in VAP from days 2 to 7 post-ventilation.
These trials, involving distinct patient populations and interventions, indicate that antibiotic prophylaxis may reduce VAP risk under specific circumstances, but its effect on overall outcomes is still uncertain. The understanding of prophylactic antibiotics in VAP prevention is rapidly evolving.
References
1. Ehrmann S, et al. N Engl J Med. 2023;389(22):2052-2062.
2. Myburgh JA, et al. JAMA. 2022;328(19):1911-1921.
3. Dahyot-Fizelier C, et al. Lancet Respir Med. 2024;S2213-2600(23):00471-X.
Chest Infections and Disaster Response Network
Chest Infections Section
The efficacy of prophylactic antibiotics in the prevention of VAP has been the subject of several studies in recent years. Three large randomized controlled trials, all published since late 2022, have investigated whether antibiotics can prevent VAP and the optimal method of antibiotic administration.
In the AMIKINHAL trial, patients intubated for at least 72 hours in 19 ICUs in France received inhaled amikacin at a dose of 20 mg/kg/day for 3 days.1 Compared with placebo, there was a statistically significant, 7% absolute risk reduction in rate of VAP at 28 days.
In the SUDDICU trial, patients suspected to be intubated for at least 48 hours in 19 ICUs in Australia received a combination of oral paste and gastric suspension containing colistin, tobramycin, and nystatin every 6 hours along with 4 days of intravenous antibiotics.2 There was no difference in the primary outcome of 90-day all-cause mortality; however, there was a statistically significant, 12% reduction in the isolation of antibiotic-resistant organisms in cultures.
In the PROPHY-VAP trial, patients with acute brain injury (Glasgow Coma Scale score [GCS ] ≤12) intubated for at least 48 hours in 9 ICUs in France received a single dose of intravenous ceftriaxone (2 g) within 12 hours of intubation.3 There was an 18% absolute risk reduction in VAP from days 2 to 7 post-ventilation.
These trials, involving distinct patient populations and interventions, indicate that antibiotic prophylaxis may reduce VAP risk under specific circumstances, but its effect on overall outcomes is still uncertain. The understanding of prophylactic antibiotics in VAP prevention is rapidly evolving.
References
1. Ehrmann S, et al. N Engl J Med. 2023;389(22):2052-2062.
2. Myburgh JA, et al. JAMA. 2022;328(19):1911-1921.
3. Dahyot-Fizelier C, et al. Lancet Respir Med. 2024;S2213-2600(23):00471-X.