Abstract
The objective was to analyse, risk factors for recurrence (primary outcome) and complications (secondary outome) after the implantation of a double layer ePTFE (expanded PolytTetraFluoroEthylene) / PP (PolyPropylene) mesh to treat incisional hernias (IH) using the Intraperitoneal Onlay Mesh (IPOM) technique. We included all elective laparoscopic IH repairs with intraperitoneal placement of a ePTFE / PP mesh (Relimesh® - Herniamesh S.r.l.) from January 1, 2010 to December 31, 2017 at Humanitas Mater Domini Clinical Institute in Castellanza (Italy) and at the Centre for Minimally Invasive Surgery of Niš (Serbia). Performance was defined as long-term recurrence rate. A total of 284 patients were enrolled. According to the European Hernia Society (EHS) hernias were classified as: W1 (<4 cm) 60.29%, W2 (≥4-10 cm) 35.02% and W3 (≥10 cm) 4.69%; medial 90.85%, lateral 6.69%, both medial and lateral 2.11%. Average follow-up was 48 (11-110) months. The 30-days complication rate was 4.23%. Hernia recurrence rate was 3.36%. Long-term complication rate was 6.34%. At multivariable analysis, an increased risk of short-term complications was associated to chronic obstructive pulmonary disease (COPD) (OR 7.59 [2.23-25.83], P=0.001); an increased risk of long-term complications was associated to diabetes (OR 6.21 [1.80-21.42], P=0.004), an increased risk of recurrence was correlated to COPD (OR 13.40 [1.36-131.9], P=0.026) and hernia defects larger than 6 cm (OR 19.2 [1.12-329.9], P=0.042). Elective laparoscopic IH repair with a double-layered ePTFE/PP mesh is safe and effective. Compliance with indications and preoperative patients evaluation are essential to improve outcomes.
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