• Safi Dokmak, Béatrice Aussilhou, Alain Sauvanet, Ganesh Nagarajan, Olivier Farges, and Jacques Belghiti.
• Department of HPB Surgery and Liver Transplantation, Beaujon Hospital, Clichy, France.
• Ann. Surg. 2015 Aug 1;262(2):366-71.

ObjectiveTo evaluate the parietal peritoneum (PP) as an autologous substitute for venous reconstruction during hepatopancreatobiliary (HPB) surgery.BackgroundVenous resection during liver or pancreatic resection may require a rapidly available substitute especially when the need for venous resection is unforeseen.MethodsThe PP was used as an autologous substitute during complex liver and pancreatic resections. Postoperative anticoagulation was standard and venous patency was assessed by routine computed tomographic scans.ResultsThirty patients underwent vascular resection during pancreatic (n = 18) or liver (n = 12) resection, mainly for malignant tumors (n = 29). Venous resection was an emergency procedure in 4 patients due to prolonged vascular occlusion. The PP, with a mean length of 22 mm (15-70), was quickly harvested and used as a lateral (n = 28) or a tubular (n = 2) substitute for reconstruction of the mesentericoportal vein (n = 24), vena cava (n = 3), or hepatic vein (n = 3). Severe morbidity included Clavien grade-III complications in 4 (13%) patients but there was no PP-related or hemorrhagic complications. Histological vascular invasion was present in 18 (62%) patients, and all had an R0 resection (100%). After a mean follow-up of 14 (7-33) months, all venous reconstructions were patent except for 1 tubular graft (97%).ConclusionsA PP can be safely used as a lateral patch for venous reconstruction during HPB surgery; this could help reduce reluctance to perform vascular resection when oncologically required. Clinical trials identification: NCT02121886.

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