Wound Edge Protectors in Open Abdominal Surgery to Reduce Surgical Site Infections: A Systematic Review and Meta-Analysis
2015
Importance Surgical site infections remain one of the most frequent complications following abdominal surgery and cause substantial costs, morbidity and mortality. Objective To assess the effectiveness of wound edge protectors in open abdominal surgery in reduc- ing surgical site infections. cantly reduced the rate of surgical site infections (risk ratio 0.65; 95%CI, 0.51-0.83; p = 0.0007; I 2 = 52%). The results were robust in a number of sensitivity analyses. A similar ef- fect size was found in the subgroup of patients undergoing colorectal surgery (risk ratio 0.65; 95%CI, 0.44-0.97; p = 0.04; I 2 = 56%). Of the two common types of wound protectors double ring devices were found to exhibit a greater protective effect (risk ratio 0.29; 95%CI, 0.15-0.55) than single-ring devices (risk ratio 0.71; 95%CI, 0.54-0.92), but this might large- ly be due to the lower quality of available data for double-ring devices. Exploratory subgroup analyses for the degree of contamination showed a larger protective effect in contaminated cases (0.44; 95%CI, 0.28-0.67; p = 0.0002, I 2 = 23%) than in clean-contaminated surgeries
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