Intrahepatic cholangiocarcinoma as the new field of implementation of laparoscopic liver resection programs. A comparative propensity score-based analysis of open and laparoscopic liver resections

Abstract

Background: the aim of the present study is to analyze the outcomes of laparoscopic and open liver resections for (Intrahepatic CholangioCarcinoma) ICC in the modern era of laparoscopic liver surgery.

Methods: patients undergoing laparoscopic and open liver resections for ICC in two European referral centers were included. Finally, 104 patients from the open group and 104 patients from the laparoscopic group were compared after propensity scores matching according to seven covariates representative of patients and disease characteristics. Indications to surgery and short- and long-term outcomes were compared.

Results: operative time, number of retrieved nodes, rate, and depth of negative resection margins were comparable between the two groups. Blood loss was lower in the MILS (150 ± 100 mL, mean ± SD) compared with the Open group (350 ± 250 mL, p = 0.030). Postoperative complications occurred in 14.4% of patients in the MILS and in the 24% of patients in the Open group (p = 0.02). There were no significant differences in long-term outcomes between groups.

Conclusions: our results confirm feasibility, safety, and oncological efficiency of the laparoscopic approach in the management of ICC. However, this surgery is often complex and should be only considered in centers with large experience in laparoscopic liver surgery.

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