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

Prophylactic negative pressure wound therapy in closed abdominal incisions: a meta-analysis of randomised controlled trials. World J Surg 2019; 43: 2779–2788

Published: 6th January 2020

Authors: Wells CI, Ratnayake CBB, Perrin J, Pandanaboyana S

Conclusion

Ten RCTs were included. The negative pressure dressing reduced surgical site infection to 11.6 from 16.7 per cent; relative risk 0.67, 95 per cent confidence interval 0.48 to 0.95, P=0.02. It did not affect deep infection, wound dehiscence or duration of hospital stay.

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