The feasibility of combined resection and subsequent reconstruction of the right hepatic artery in left hepatectomy for cholangiocarcinoma.
2021
Background Combined resection of the right hepatic artery (RHA) is sometimes required to achieve complete resection of hilar cholangiocarcinoma. The present study aimed to evaluate the feasibility of combined resection and subsequent reconstruction by continuous suture of the RHA during left hepatectomy for cholangiocarcinoma. Materials and methods We retrospectively compared the outcomes after left hepatectomy with biliary reconstruction for cholangiocarcinoma between patients with and without RHA resection and reconstruction. Results Of the 25 patients who underwent left hepatectomy combined with biliary reconstruction, eight patients (32%) underwent combined resection and reconstruction of the RHA (AR group). The demographic characteristics were not different between the AR and non-AR groups. The amount of intraoperative bleeding was significantly greater in patients with AR (2350 mL vs. 900 mL, p = 0.017). The prevalence of early complications above grade III in Clavien-Dindo classification and late complications were not significantly different between the AR and non-AR groups. In the AR group, complications directly associated with AR, such as thrombosis or reanastomosis, were not observed. On Kaplan-Meier analysis, recurrence-free survival (p = 0.618) and overall survival (p = 0.803) were comparable between the two groups despite the advanced T stages in the AR group. Conclusions Combined resection and subsequent reconstruction of the RHA during left-sided hepatectomy is a feasible treatment alternative for cholangiocarcinoma.
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