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Updated: Jul 25, 2025

Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems
Published on: May 2, 2025
A systematic review with meta-analysis on prophylactic negative pressure wound therapy versus standard dressing for
Yali Tian1, Ka Li1, Ling Zeng2
1West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China.
Aims:
The purpose of this study is to assess the efficacy of prophylactic negative pressure wound therapy (NPWT) in obese women undergoing caesarean section.
Design:
An updated review and meta-analysis of randomized controlled trials following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.
Methods:
PubMed, Embase, Medline, Web of Science, and Cochrane Library were searched from inception up to March 2022 without restriction in language. We chose surgical site infection as the primary outcome.
Results:
NPWT resulted in a lower surgical site infection rate compared with conventional dressing (risk ratio [RR] = 0.76). The infection rate after low transverse incision was lower comparing the NPWT group with the control group ([RR] = 0.76). No statistically significant difference was detected in blistering([RR] = 2.91). The trial sequential analysis did not support the 20% relative decrease in surgical site infection in the NPWT group. (type II error of 20%).

