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Morbidity following open inguinal hernia repair is mainly related to chronic pain. ProGrip™ is a self-gripping mesh which aims to reduce rates of chronic pain. The aim of this study is to perform an update meta-analysis to consolidate the non-superiority hypothesis in terms of postoperative pain and recurrence and perform a trial sequential analysis.Systematic review of randomised controlled trials performed according to PRISMA guidelines. Pooled odds ratios with 95% confidence intervals (CI) were calculated using the Mantel-Haenszel (M-H) method. The primary outcome measure was postoperative pain and secondary outcomes were recurrence, operative time, wound complications, length of stay, re-operation rate, and cost. Trial sequential analysis was performed.There were 14 studies included in the quantitative analysis with 3180 patients randomised to self-gripping mesh (1585) or standard mesh (1595). At all follow-up time points, there was no significant difference in the rates of chronic pain between the self-gripping and standard mesh (risk ratio, RR 1.10, 95% confidence interval, CI 0.83-1.46). There were no significant differences in recurrence rates (RR 1.13, CI 0.84-2.04). The mean operating time was significantly shorted in the ProGrip™ mesh group (MD - 7.32 min, CI - 10.21 to - 4.44). Trial sequential analysis suggests findings are conclusive.This meta-analysis has confirmed no benefit of a ProGrip™ mesh when compared to a standard sutured mesh for open inguinal hernia repair in terms of chronic pain or recurrence. No further trials are required to address this clinical question. |
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