The preventive effect of inhaled antibiotic against ventilator-associated pneumonia: a systematic review and meta-analysis
Abstract
BACKGROUND
Ventilator-associated pneumonia (VAP) constitutes a considerable challenge for patients in intensive care units (ICUs) and necessitates the development of effective preventive strategies. This study aimed to evaluate the clinical efficacy of inhaled antibiotics for preventing VAP.
METHODS
PubMed, Embase, and ClinicalTrials.gov were searched until January 21, 2024. Randomized controlled trials (RCTs) investigating the clinical efficacy of inhaled antibiotics for VAP prevention were included.
RESULTS
Seven RCTs, involving 1465 patients, of whom 734 were classified as the study group receiving inhaled antibiotics and 731 as the control group receiving placebo were included in this meta-analysis. Overall, the occurrence of VAP was significantly lower in the study group than in the control group (risk ratio [RR], 0.69; 95% confidence interval [CI], 0.51 to 0.92). However, there were no significant differences in mortality (RR, 0.90; 95% CI, 0.74 to 1.09), length of stay in ICU (mean difference [MD], 0.10 days; 95% CI, -0.91 to 1.1) and hospital (MD, 0.30 days; 95% CI, -1.82 to 2.43), and mechanical ventilation (MV) duration (MD, 0.45 days; 95% CI, -0.45 to 1.35) between groups.
CONCLUSION
Inhaled antibiotics hold promise for mitigating the risk of VAP among critically ill patients. However, their impact on mortality, length of stay in ICU and hospital, and MV duration was not statistically significant.
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 1,465 participants or records.
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