Meta-Analysis and Systematic Review of the Use of a Prosthetic Mesh for Prevention of Parastomal Hernia.

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The primary endpoint of this meta-analysis was the PSH rate at one year of follow-up with or without the use of a mesh.European guidelines currently recommend the use of a mesh at the time of a stoma formation for the prevention of PSH. These recommendations are based on the RCT and meta-analyses published before 2017. More recently two large RCT found no benefit in the mesh group. We investigated whether these latest results could change the conclusion of a meta-analysis.We conducted a comprehensive literature search and analyzed RCT investigating the use of a mesh to prevent PSH formation. All studies including end colostomies were included in the qualitative analysis no matter the surgical technique or the type of mesh. All studies with a limited risk of bias and presenting with usable data were used in the quantitative analysis. Results: There is a large heterogeneity among the studies, in terms of position of the mesh, surgical technique and diagnostic method for the PSH.No statistically significant difference was found on the PSH rate at one or two years between the mesh and non-mesh groups.Based on this meta-analysis including the latest RCT on the prevention of PSH, the use of a mesh shouldn’t be recommended.

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