This is the Scientific Surgery Archive, which contains all randomized clinical trials in surgery that have been identified by searching the top 50 English language medical journal issues since January 1998. Compiled by Jonothan J. Earnshaw, former Editor-in-Chief, BJS

Wound protectors reduce surgical site infection: a meta-analysis of randomized controlled trials. Ann Surg 2012; 256: 53–59.

Published: 14th December 2012

Authors: Edwards J, Ho AL, Tee M, Dixon E, Ball CG

Conclusion

The study included six trials of 1008 patients who had gastrointestinal or biliary tract surgery. The surgical site infection rate was reduced by use of the wound protector: relative risk 0.55, 95 per cent confidence interval 0.31 to 0.98, P=0.04. There was a non-significant advantage for the double ring over the single ring wound protector.

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