Totally extraperitoneal repair of recurrent inguinal hernia

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Abstract
Background: A variety of procedures with substantial differences in results are employed to treat recurrent inguinal hernia. The advantages of totally extraperitoneal patch repair (TEP) are even more evident when it is applied to recurrent compared to primary hernias. To investigate the superiority of this method more closely, we reviewed our results obtained for recurrent inguinal hernias over a period of 2 years. Methods: We performed a prospective single-center study using data obtained in consecutive patients with recurrent inguinal hernia who were operated on in 1997 and 1998. Results: A total of 179 patients with recurrent inguinal hernia were recruited. Overall, 1329 patients with inguinal hernia were treated in the 2-year period, of whom 1270 underwent TEP. The percentage of recurrent hernias was 14%. The average age of the patients was 56 years. The follow-up rate was 87.5%, and the mean follow-up period was 2.3 years. The 154 patients who were followed up underwent a total of 225 hernia repairs, of which 181 were for recurrent hernias. The average operating time was 57 min. In 68% (104/154) of the patients, adhesions, adherent epigastric vessels, or cicatricial changes were found, which resulted in the inadvertant opening of the peritoneum in 26.3% of the patients. All the openings in the peritoneum were closed by endoscopic suturing. Intraoperative complications developed in 4 patients (2.3%), including one injury to the bladder and three cases of bleeding from side branches of the epigastric vessels. The conversion rate was 0%. The sole postoperative complication was treatment requiring hematomas in 7 patients, in 2 of whom reoperation became necessary. In both cases, a diffuse hemorrhage due to a preoperatively undiagnosed coagulation disorder was found. No cases of wound or patch infection were observed. In a patient undergoing both primary and recurrent hernia repair, displacement of a mesh led to a recurrence on the primary hernia side (recurrence rate, 0.4%; re-recurrence rate, 0%). Conclusions: Although for its definitive management, recurrent hernia requires a reliable operative technique, current data do not support the recommendation of any of the currently available procedures as the gold standard. In a representative patient population with recurrent hernia, we were able to demonstrate that TEP achieves very good results in terms of re-recurrence rate, intraoperative and postoperative complications, and rehabilitation. Prerequisites for the reliable and low-complication application of the method are a high level of standardization of the procedure and an advanced learning curve.