Case-matched Comparison of Robotic Versus Laparoscopic Colorectal Surgery: Initial Institutional Experience

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Robotic colorectal surgery is an emerging technique. In this study, we aimed to compare outcomes of robotic colorectal operations to laparoscopy. Patients undergoing robotic colorectal surgery between November 2010 and July 2013 were case matched to laparoscopic counterparts based on diagnosis and operation type. Perioperative and short-term postoperative outcomes were compared. There were 57 patients who underwent robotic colorectal surgery. American Society of Anaesthesiologists score was higher in patients who underwent robotic surgery (2 vs. 3, P=0.01). Blood loss (200 vs. 300 mL, P=0.27) and conversion rate to open surgery (6 vs. 5, P=0.75) were similar between the groups. Operating time was longer in robotic surgery (172 vs. 267 min, P<0.0001). Time to first bowel movement (3 vs. 3 d, P=0.38), hospital stay (5 vs. 6 d, P=0.22), and postoperative complications were comparable between the groups. In the early learning curve period, robotic colorectal surgery shows similar short-term outcomes with longer operating time compared with conventional laparoscopy.

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