• The American surgeon · Mar 2019

    Comparative Study

    Short-Term Outcomes of Robotic versus Laparoscopic Total Mesorectal Excision for Rectal Cancer: A Cohort Study.

    • Wen-Han Liu, Pei-Jing Yan, Dong-Ping Hu, Peng-Hui Jin, Yao-Chun Lv, Rong Liu, Xiong-Fei Yang, Ke-Hu Yang, and Tian-Kang Guo.
    • Am Surg. 2019 Mar 1; 85 (3): 294-302.

    AbstractThe aim of this study was to evaluate and compare the intestinal function recovery time and other short-term outcomes between robotic-assisted total mesorectal excision (R-TME) and laparoscopic total mesorectal excision (L-TME) for rectal cancer. This is a retrospective study using a prospectively collected database. Patients' records were obtained from Gansu Provincial Hospital between July 2015 and October 2017. Eighty patients underwent R-TME, and 116 with the same histopathological stage of the tumor underwent an L-TME. Both operations were performed by the same surgeon, comparing intra- and postoperative outcomes intergroups. The time to the first passage of flatus (P < 0.001), the time to the first postoperative oral fluid intake (P < 0.001), and the length of hospital stay (P < 0.01) of the R-TME group were about three days faster than those in the L-TME group. The rate of conversion to open laparotomy (P = 0.038) and postoperative urinary retention (P = 0.016) were significantly lower in the R-TME group than in the L-TME group. Intraoperative blood loss of the R-TME group was more than that of the L-TME group (P < 0.01).The operation time, number of lymph nodes harvested, and rate of positive circumferential resection margin were similar intergroup. The total cost of the R-TME group was higher than that of the L-TME group, but with a lack of statistical significance (85,623.91 ± 13,310.50 vs 67,356.79 ± 17,107.68 CNY, P = 0.084). The R-TME is safe and effective and has better postoperative short-term outcomes and faster intestinal function recovery time, contrasting with the L-TME. The large, multicenter, prospective studies were needed to validate the advantages of robotic surgery system used in rectal cancer.

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