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Combined Preoperative Portal and Hepatic Vein Embolization (Biembolization) to Improve Liver Regeneration Before Major Liver Resection: A Preliminary Report

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BackgroundInsufficient volume of the future liver remnant (FLR) is a major cause of non-resectable disease in patients presenting with primary or metastatic liver tumours. The objective of this study was… Click to show full abstract

BackgroundInsufficient volume of the future liver remnant (FLR) is a major cause of non-resectable disease in patients presenting with primary or metastatic liver tumours. The objective of this study was to evaluate the safety and efficacy of the combined preoperative portal and hepatic vein embolization (biembolization) before extended right liver resections.MethodsThis retrospective study was performed in a tertiary centre between 2014 and 2015. Combined right portal and hepatic vein embolization (biembolization) was proposed, as an alternative to ALPPS procedure, for all patients with primary or metastatic liver tumour, before right extended hepatectomy. CT scan liver volumetry was assessed before biembolization, three weeks after biembolization and one week after surgery.ResultsSeven patients underwent biembolization. All patients had right portal vein embolization (PVE) combined with right hepatic vein embolization (HVE, n = 4), median HVE (n = 2) and right + median HVE (n = 1). Three patients had preoperative liver disease and two received preoperative chemotherapy. No biembolization procedure-related complications occurred. The mean FLR regeneration rate was 52.6% (range: 18.2–187.9) after the biembolization. One patient with gallbladder carcinoma was not operated because of peritoneal carcinomatosis diagnosed after the biembolization. The remnant six patients did not develop postoperative liver failure.ConclusionsBiembolization seems to induce safe, reproducible and effective FLR growth before extended right hepatectomy, in patients with primary or metastatic liver tumour.

Keywords: biembolization; hepatic vein; vein embolization; liver

Journal Title: World Journal of Surgery
Year Published: 2017

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