• Surgical endoscopy · Nov 2020

    Comparative Study

    Comparative study of laparoscopic versus open technique for simultaneous resection of colorectal cancer and liver metastases with propensity score analysis.

    • Jung Kyong Shin, Hee Cheol Kim, Woo Yong Lee, Seong Hyeon Yun, Yong Beom Cho, Jung Wook Huh, Yoon Ah Park, Jin Seok Heo, and Kim Jong Man JM Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 06351, South Korea..
    • Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 06351, South Korea.
    • Surg Endosc. 2020 Nov 1; 34 (11): 4772-4780.

    BackgroundLaparoscopic liver resection for metastatic colorectal cancer (CRC) remains controversial. The objective of this study was to compare the short-term and mid-term outcomes of patients with CRC undergoing laparoscopic versus open colorectal resection with simultaneous resection for liver metastases.MethodsA total of 126 patients underwent combined laparoscopic resection of CRC and synchronous colorectal liver metastases between 2008 and 2016. A total of 318 patients were treated by an open approach during the above period. By propensity score matching, 109 patients who underwent laparoscopic resection and 109 patients who had an open approach were compared. Analyzed variables included patient characteristics, tumor features, and short-term and mid-term outcomes.ResultsDemographic features and pathologic outcomes were similar in both groups after propensity score matching. Three (2.8%) patients undergoing laparoscopic liver resection experienced conversion to open procedure. There was no difference in hospital stay (p = 0.078), transfusion rate (p = 0.686), or time of bowel function return (p = 0.570) between the two groups. The laparoscopic group and the open approach group also showed similar 3-year overall survival rate (74.4% vs. 79.1%; p = 0.792) and 3-year disease-free survival rate (58.5% vs. 55.2%; p = 0.391). However, postoperative morbidity rate was significantly lower in the laparoscopic group (20.2% vs. 33.0%; p = 0.032).ConclusionsLaparoscopic colorectal resection with simultaneous resection of liver metastases showed satisfactory oncologic outcomes with some short-term advantages compared to the open approach. Thus, laparoscopic approach could be a good alternative of open approach for simultaneous liver and colon resection in patients with CRC.

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