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ABSTRACT: Introduction
To evaluate the efficacy of probiotics in preventing nosocomial pneumonia in critically ill patients.Methods
We searched PubMed, EMBASE, and the Web of Science for relevant studies. Two reviewers extracted data and reviewed the quality of the studies independently. The primary outcome was the incidence of nosocomial pneumonia. Study-level data were pooled using a random-effects model when I(2) was > 50% or a fixed-effects model when I(2) was < 50%.Results
Twelve randomized controlled studies with a total of 1,546 patients were considered. Pooled analysis showed a statistically significant reduction in nosocomial pneumonia rates due to probiotics (odd ratio [OR]= 0.75, 95% CI 0.57 to 0.97, P = 0.03, I(2) = 46%). However, no statistically significant difference was found between groups regarding in-hospital mortality (OR = 0.93, 95% CI 0.50 to 1.74, P = 0.82, I(2) = 51%), intensive care unit mortality (OR = 0.84, 95% CI 0.55 to 1.29, P = 0.43, I(2) = 0%), duration of stay in the hospital (mean difference [MD] in days = -0.13, 95% CI -0.93 to 0.67, P = 0.75, I(2) = 46%), or duration of stay in the intensive care units (MD = -0.72, 95% CI -1.73 to 0.29, P = 0.16, I(2) = 68%).Conclusions
The use of probiotics was associated with a statistically significant reduction in the incidence of nosocomial pneumonia in critically ill patients. However, large, well-designed, randomized, multi-center trials are needed to confirm any effects of probiotics clinical endpoints such as mortality and length of ICU and hospital stay.
SUBMITTER: Liu KX
PROVIDER: S-EPMC3580667 | biostudies-literature | 2012 Jun
REPOSITORIES: biostudies-literature
Liu Kai-xiong KX Zhu Ying-gang YG Zhang Jing J Tao Li-li LL Lee Jae-woo JW Wang Xiao-dan XD Qu Jie-Ming JM
Critical care (London, England) 20120625 3
<h4>Introduction</h4>To evaluate the efficacy of probiotics in preventing nosocomial pneumonia in critically ill patients.<h4>Methods</h4>We searched PubMed, EMBASE, and the Web of Science for relevant studies. Two reviewers extracted data and reviewed the quality of the studies independently. The primary outcome was the incidence of nosocomial pneumonia. Study-level data were pooled using a random-effects model when I(2) was > 50% or a fixed-effects model when I(2) was < 50%.<h4>Results</h4>Twe ...[more]