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COMPARATIVE STUDY
JOURNAL ARTICLE
MULTICENTER STUDY
Long-term and perioperative outcomes of laparoscopic versus open liver resection for hepatocellular carcinoma with propensity score matching: a multi-institutional Japanese study.
Journal of Hepato-biliary-pancreatic Sciences 2015 October
BACKGROUND: The aim of this study was to compare the long-term outcomes and perioperative outcomes of laparoscopic liver resection (LLR) with those of open liver resection (OLR) for hepatocellular carcinoma (HCC) between well-matched patient groups.
METHODS: Hepatocellular carcinoma patients underwent primary liver resection between 2000 and 2010, were collected from 31 participating institutions in Japan and were divided into LLR (n = 436) and OLR (n = 2969) groups. A one-to-one propensity case-matched analysis was used with covariates of baseline characteristics, including tumor characteristics and surgical procedures of hepatic resections. Long-term and short-term outcomes were compared between the matched two groups.
RESULTS: The two groups were well balanced by propensity score matching and 387 patients were matched. There were no significant differences in overall survival and disease-free survival between LLR and OLR. The median blood loss (158 g vs. 400 g, P < 0.001) was significantly less with LLR, and the median postoperative hospital stay (13 days vs. 16 days, P < 0.001) was significantly shorter for LLR. Complication rate (6.7% vs. 13.0%, P = 0.003) was significantly less in LLR.
CONCLUSION: Compared with OLR, LLR in selected patients with HCC showed similar long-term outcomes, associated with less blood loss, shorter hospital stay, and fewer postoperative complications.
METHODS: Hepatocellular carcinoma patients underwent primary liver resection between 2000 and 2010, were collected from 31 participating institutions in Japan and were divided into LLR (n = 436) and OLR (n = 2969) groups. A one-to-one propensity case-matched analysis was used with covariates of baseline characteristics, including tumor characteristics and surgical procedures of hepatic resections. Long-term and short-term outcomes were compared between the matched two groups.
RESULTS: The two groups were well balanced by propensity score matching and 387 patients were matched. There were no significant differences in overall survival and disease-free survival between LLR and OLR. The median blood loss (158 g vs. 400 g, P < 0.001) was significantly less with LLR, and the median postoperative hospital stay (13 days vs. 16 days, P < 0.001) was significantly shorter for LLR. Complication rate (6.7% vs. 13.0%, P = 0.003) was significantly less in LLR.
CONCLUSION: Compared with OLR, LLR in selected patients with HCC showed similar long-term outcomes, associated with less blood loss, shorter hospital stay, and fewer postoperative complications.
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