• Keun Soo Ahn, Koo Jeong Kang, Yong Hoon Kim, Tae-Seok Kim, and Tae Jin Lim.
• Department of Surgery, Keimyung University School of Medicine , Dongsan Medical Center, Daegu, Republic of Korea.
• J Laparoendosc Adv Surg Tech A. 2014 Dec 1; 24 (12): 872-7.

BackgroundThe aim of this study was to compare the perioperative and long-term oncologic outcomes of laparoscopic liver resection (LLR) and open liver resection (OLR) for single hepatocellular carcinoma (HCC) in case-controlled patient groups using the propensity score.Patients And MethodsBetween January 2005 and February 2013, 292 patients underwent surgical resection for HCC. Of these, 202 patients who underwent surgical resection for initial treatment for a single mass were enrolled. These patients were divided into two groups according to the method of operation: the Lap group (patients who underwent LLR) and the Open group (patients who underwent OLR). To correct different demographic and clinical factors in the two groups, propensity score matching was used at a 1:1 ratio, and, finally, 102 patients were enrolled in this study, 51 patients in each group. Preoperative characteristics, perioperative results, and long-term results were retrospectively analyzed based on the prospectively recorded database.ResultsPreoperative baseline variables were well balanced in both groups. There were no differences of extent of surgery and rate of anatomical resection between the two groups. With the exception of a shorter postoperative hospital stay in the Lap group than that of the Open group (8.2 days versus 12.3 days; P=.004), there were no significant differences in perioperative, pathological, and long-term outcomes. The 5-year overall survival rates were 80.1% in the Lap group and 85.7% in the Open group, respectively (P=.173). The 5-year disease-free survival rates were 67.8% in the Lap group and 54.8% in the Open group, respectively (P=.519).ConclusionsLLR for HCC is safe, and long-term oncologic outcomes in selected patients were comparable to those who underwent OLR.

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