[Total endoscopic pre-peritoneal mesh implant in primary or recurrent inguinal hernias]

R Chiofalo, F Holzinger, C Klaiber
Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen 2001, 72 (12): 1485-91

INTRODUCTION: Since 1994 we perform laparoscopic total extraperitoneal hernia repair (TEP) for primary and recurrent inguinal hernias at our institution. The aim of this study was to investigate and compare the results of TEP in primary inguinal hernias and recurrent inguinal hernias and to determine whether there are differences in patient data, complication rates and outcome between these two groups.

METHODS: In a prospective trial 338 patients were analyzed who underwent 500 laparoscopic TEP repairs. In all, 431 TEP repairs were performed for primary inguinal hernias, and 69 for recurrent inguinal hernias. For data acquisition the SALTC study protocol was used. All patients were clinically examined 3 and 12 months after the operation.

RESULTS: The mean operation time was 67.3 min for TEP repair of primary hernias and 68.1 min for TEP repair of recurrent hernias, respectively. The conversion rate to an open procedure was 0%. Conversion from TEP into TAPP was required in 0.5% of patients with primary inguinal hernias and 1.4% of patients with recurrent inguinal hernias. As the sole difference between the two groups the intraoperative complication rate could be identified. In the TEP repair group of recurrent inguinal hernias a higher incidence of injury to the peritoneum and a higher occurrence of bleeding from the epigastric vessels was found (P = 0.03). The postoperative complication rate was identical in the two groups, amounting to 5.1% and 5.7%, respectively. No differences were found in the 1 year follow-up between the two groups. The 1-year recurrence rate was 0.5% for primary hernias. However, in the group of recurrent hernias there have been no recurrences to date.

CONCLUSIONS: The use of laparoscopic TEP repair has proven to be a safe and effective treatment in patients with primary and recurrent inguinal hernias. Because of scar tissue with possible adhesions a higher intraoperative complication rate was observed in the TEP repair of recurrent hernias than in TEP repair of primary inguinal hernias. However, no single recurrence was observed in the TEP repair group of recurrent hernias. In our opinion TEP is the optimal hernia repair for recurrent and bilateral inguinal hernias.

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