Introduction: Laparoscopic major hepatectomy (LMH) remains restricted to a few specialized centers and poses a challenge to surgeons performing laparoscopic resections. Laparoscopic extended resections are even more complex and rarely conducted.
Methods: From a single-institution database, we compared the short-term outcomes of patients who underwent major and extended laparoscopic resections, stratifying the entire retrospective cohort into four groups: right hepatectomy, left hepatectomy, right extended hepatectomy, and left extended hepatectomy. Patient demographics, tumor characteristics, operative variables, and especially postoperative outcomes were evaluated.
Results: 250 patients underwent major and extended laparoscopic liver resections, including 160 right, 31 right extended, 36 left, and 23 left extended laparoscopic hepatectomies. The most common indication for resection was colorectal liver metastases (64%). Laparoscopic extended hepatectomy (LEH) showed significantly longer operative time, more blood loss, need for Pringle maneuver, conversion to open surgery, higher rates of liver failure, postoperative ascites, and intra-abdominal hemorrhage, R1 margins and length of stay when compared with the LMH group. Mortality rates were similar between groups. Multivariate analysis revealed intraoperative blood transfusion (OR = 5.1[CI-95%: 1.15-6.79]; p = 0.02) as an independent predictor for major complications.
Conclusions: LEH showed to be feasible, however with higher blood loss and significantly associated to major complications.
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