Background: Between October 1992 and May 1996, 893 hernia repairs were performed at the Surgical Clinic in Mannheim: 448 (50%) using laparoscopy (TAPP-method) and 445 (50%) using the conventional anterior approach (Shouldice).
Materials And Methods: For this study, 723 (81%) of these repairs were followed up in a prospective trial of postoperative nerve irritations.
Results: The rate of nerve entrapment in the laparoscopic group was 4.2% (n = 19), and in the group that underwent conventional surgery 1.8% (n = 8). The genitofemoral nerve was affected with particularly high frequency (2%), and the ilioinguinal nerve and lateral cutaneous nerve of the thigh (LCNT) each was affected in 1.1% of the cases.
Conclusions: Reduction in the number of clips used and careful attention to the anatomic nerve course during preparation and placement of mesh led to a significant reduction in the occurrence of nerve irritations. In the last 100 patients who underwent laparoscopic hernia repair, only one nerve lesion was seen.
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