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Treatment of inguinal hernia. Systematic review and updated network meta-analysis of randomized controlled trials.

Aiolfi A, Cavalli M, Ferraro SD, Manfredini L, Bonitta G, Bruni PG et al.
Ann Surg 2021; 274: 954-961.

Some 35 trials covering the three main methods of inguinal hernia were included, with a total of 7777 patients. Hernia recurrence rates were similar across all methods. Pain within 48 hours of surgery, and chronic groin pain were reduced with minimally invasive methods, as were wound complications.

Comment: Minimally invasive hernia repair has short term advantages, but whether the additional costs over open repair are justified remains unknown.

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