Abstract
Background
Although primary end-to-end anastomosis is preferred for portal vein-superior mesenteric vein (PV-SMV) reconstruction, interposition graft use may be required in some situations. We investigated the efficacy of polytetrafluoroethylene (PTFE) grafts when used during pancreatectomy in this context.
Methods
From 2014 to 2019, 19 patients who underwent pancreatectomy requiring PV-SMV reconstruction using ringed PTFE grafts were entered prospectively into a clinical database (NCT02871336, CNIL No. Sy50955016U). Unfractionated heparin was used during the first 24 h postoperatively. The administration of low-molecular-weight heparin was initiated twice a day (two injections of 1 mg/kg enoxaparin) on postoperative day 2 and was continued until the first clinical follow-up. Patency was assessed by CT scan before home discharge. Patients were switched to antiplatelet therapy (75 mg of aspirin-based drug Kardegic®) without a deadline.
Results
Pancreatoduodenectomy was the most commonly performed procedure (15 patients, 79%), and pancreatic duct adenocarcinoma was the predominant etiology (17 patients, 89%). The median PTFE graft diameter and length were 10 mm and 8 cm, respectively. The median clamping time was 25 min. The overall severe morbidity and 90-day mortality values were 21% and 10%, respectively. None of the patients experienced anticoagulation-related morbidity or PTFE graft-related infection. The 6-month PTFE graft patency rate was 68%. Patients who underwent distal pancreatectomy showed a higher late thrombosis rate than those who underwent a pancreaticoduodenectomy (50% vs. 8%, p = 0.049). The median long-term PTFE graft patency duration was 37 months.
Conclusions
PTFE reconstruction can be safely performed with simple perioperative management in cases requiring interposition graft use.
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Jonathan Garnier, Eddy Traversari, Jacques Ewald, Ugo Marchese, Jean-Robert Delpero and Olivier Turrini have no conflict of interests to disclose.
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Garnier, J., Traversari, E., Ewald, J. et al. Venous Reconstruction During Pancreatectomy Using Polytetrafluoroethylene Grafts: A Single-Center Experience with Standardized Perioperative Management. Ann Surg Oncol 28, 5426–5433 (2021). https://doi.org/10.1245/s10434-021-09716-2
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DOI: https://doi.org/10.1245/s10434-021-09716-2