• D C Bartlett, C Porter, and A N Kingsnorth.
• Plymouth Hernia Service, Derriford Hospital, Plymouth, UK. david_bartlett2@hotmail.com
• Hernia. 2007 Jun 1; 11 (3): 243-6.

AimsChronic pain following inguinal hernia repair may be related to the handling of cutaneous nerves. This study aims to investigate the frequency of cutaneous nerve division in routine practice and the effect that nerve division has on long-term pain outcomes.MethodsThe outcomes of 172 patients who underwent open inguinal hernia repair over a two-year period during the course of a clinical trial were recorded prospectively for 1 year. Pain scores for patients in whom one of the nerves was divided were compared with those of patients in whom all three were preserved.ResultAll nerves were preserved in 95 cases (55.2%). The ilioinguinal, genital and iliohypogastric nerves were divided in 33 (19.2%), 12 (7.0%) and 14 (8.1%) cases, respectively. There was no significant difference in pain scores between any of the nerve division groups compared to the group in which all three were preserved. There were three (1.7%) cases of significant chronic pain, two in which no nerves were divided.ConclusionThe division of cutaneous nerves during inguinal hernia repair has no significant effect on postoperative pain. However, there are very few adverse outcomes, and so, a pragmatic approach of dividing nerves when they would otherwise be damaged may be appropriate.

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