Abstract
Background: Hilar cholangiocarcinoma (HCCA) has a high degree of malignancy and poor prognosis, and the best long-term prognosis can only be achieved by radical resection. However, the surgical steps are complicated, and the operating space is limited, making it hard to complete laparoscopically. So our team proposes a new surgical approach for laparoscopic left-liver-first anterior radical modular orthotopic right hemihepatectomy (Lap-Larmorh). In this way, we can simplify the operation steps and reduce the difficulty. Materials and Methods: We recorded and analyzed the clinical data of 26 patients with type IIIa HCCA, who underwent laparoscopic radical resection in our department from December 2018 to January 2023. According to the laparoscopic surgical approach, we divided the patients into the new approach (NA) group (n = 14) using the Lap-Lamorh and the traditional approach (TA) group (n = 12) not using the Lap-Lamorh. Results: All surgeries in this study were completed laparoscopically with no conversion to open surgery. The operation time in the NA group and TA group had statistically significant differences, which was 372.5 (332.8, 420.0) minutes versus 423.5 (385.8, 498.8) minutes (P = .019). The two groups showed no significant difference in other characteristics (P > .05). Only 1 patient suffered from transient liver failure due to portal vein thrombosis. Patients with pleural effusion or ascites were cured by catheter drainage and enhanced nutrition. Conclusion: Lap-Larmorh reduces the difficulty of serving the vessels at the second and third hepatic hilum by splitting the right and left livers early intraoperatively. The new approach is more suitable for the narrow space of laparoscopic surgery and reflects the no-touch principle of oncology.
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