This is the Scientific Surgery Archive, which contains all randomized clinical trials in surgery that have been identified by searching the top 50 English language medical journal issues since January 1998. Compiled by Jonothan J. Earnshaw, former Editor-in-Chief, BJS

Less pain 1 year after total extra-peritoneal repair compared with Lichtenstein using local anesthesia: data from a randomized controlled clinical trial. Ann Surg 2016; 263: 240-243.

Published: 4th February 2016

Authors: Westin L, Wollert S, Ljungdahl M, Sandblom G, Gunnarsson U, Dahlstrand U et al.

Conclusion

Some 375 patients were randomized in the trial. After one year, any groin pain was less common after laparoscopic hernia repair (20 .7 versus 33.2 per cent, P=0.007). Rates of severe groin pain at one year were similar: 2.1 versus 3.2 per cent, respectively.

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Lightweight mesh is recommended in open (Lichtenstein) hernia repair: a systematic review and meta-analysis. Surgery 2020; 167: 581-589.

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Authors: Li S, Xiao S, Yang L, Hua L, Qiu Z, Hu X et al.

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Local vs. other forms of anesthesia for open inguinal hernia repair: A meta-analysis of randomized controlled trials. Am J Surg 2019; 218: 1008-1015

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Cost-effectiveness of randomized study of laparoscopic versus open bilateral inguinal hernia repair. Ann Surg 2018; 268: 725-730.

Authors: Ielpo B, Nuñez-Alfonsel J, Hipolito D, Diaz E, Fabra I, Caruso R et al.

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A prospective randomized study comparing laparoscopic transabdominal preperitoneal (TAPP) versus Lichtenstein repair for bilateral inguinal hernias. Surgery 2018; 216: 78-83.

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Authors: Roos M, Bakker WJ, Schouten N, Voorbrood C, Clevers GJ, Verleisdonk EJ et al.