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Mesh size may not affect recurrence in laparoscopic totally extraperitoneal repair of inguinal hernias

Medicine (Baltimore). 2022 Sep 2;101(35):e30162. doi: 10.1097/MD.0000000000030162.

ABSTRACT

A mesh is usually employed to cover defects when performing laparoscopic totally extraperitoneal repair (TEP) of inguinal hernias. However, there is insufficient evidence for an appropriate mesh size. Therefore, we aimed to compare the recurrence rate between large- and medium-mesh laparoscopic TEP. Patients who underwent laparoscopic TEP for primary inguinal hernias from January 2012 to March 2020 were included. We retrospectively reviewed electric medical records. The primary outcome was the difference in recurrence rate between the large and medium meshes. The large mesh was 10.3 × 15.7 cm, and the medium mesh was 7.9 × 13.4 cm or 9 × 13 cm. In total, 446 patients were included in the study. Of these patients, 177 were in the large-mesh group, and 269 were in the medium-mesh group. The average ages of the large- and medium-mesh groups were 58.4 and 56.9 years, respectively (P = .361). In both groups (large vs medium), males were dominant (93.2% vs 93.6%, P = .850), and indirect hernias (87.0% vs 88.1%, P = .740) were dominant. There was no difference in body mass index (P = .883) or hernia side (P = .770). Peritoneal tearing as an intraoperative complication occurred frequently in the large-mesh group (13.6% vs 3.3%, P < .001). During the mean follow-up period of 28 months, recurrence occurred in 3 (1.7%) and 13 (4.8%) patients in the large- and medium-mesh groups, respectively. However, there was no statistical significance (P = .262). Mesh size may not affect recurrence after laparoscopic TEP of primary inguinal hernias.

PMID:36107522 | DOI:10.1097/MD.0000000000030162

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