• Hernia · Aug 2021

    Review

    Prophylactic negative pressure wound therapy after open ventral hernia repair: a systematic review and meta-analysis.

    • V Berner-Hansen, E Oma, M Willaume, and K K Jensen.
    • Digestive Disease Center, Bispebjerg Hospital, Bispebjerg Bakke 23, 2400, Copenhagen, NV, Denmark. Victoriaberner@hotmail.com.
    • Hernia. 2021 Aug 14.

    PurposeNegative pressure wound therapy on closed incisions (iNPWT) is a wound dressing system developed to promote wound healing and avoid complications after surgical procedures. The effect of iNPWT is well established in various surgical fields, however, the effect on postoperative wound complications after ventral hernia repair remains unknown. The aim of this systematic review and meta-analysis was to investigate the effect of iNPWT on patients undergoing open ventral hernia repair (VHR) compared with conventional wound dressing.Materials And MethodsThis systematic review and meta-analysis followed the PRISMA guidelines. The databases PubMed, Embase, Cochrane Library, Web of science and Cinahl were searched for original studies comparing iNPWT to conventional wound dressing in patients undergoing VHR. The primary outcome was surgical site occurrence (SSO), secondary outcomes included surgical site infection (SSI) and hernia recurrence.ResultsThe literature search identified 373 studies of which 10 were included in the meta-analysis including a total of 1087 patients. Eight studies were retrospective cohort studies, one was a cross-sectional pilot study, and one was a randomized controlled trial. The meta-analysis demonstrated that iNPWT was associated with a decreased risk of SSO (OR 0.27 [0.19, 0.38]; P < 0.001) and SSI (OR 0.32 [0.17, 0.55]; P < 0.001). There was no statistically significant association with the risk of hernia recurrence (OR 0.62 [0.27, 1.43]; P = 0.26).ConclusionBased on the findings of this systematic review and meta-analysis iNPWT following VHR was found to significantly reduce the incidence of SSO and SSI, compared with standard wound dressing. INPWT should be considered for patients undergoing VHR.© 2021. The Author(s), under exclusive licence to Springer-Verlag France SAS, part of Springer Nature.

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