Advantages of robotic-assisted colorectal surgery have been reported, but the effect on outcomes between obese and non-obese patients undergoing laparoscopic and robotic-assisted colorectal surgery remains unclear. Patients who underwent elective laparoscopic and robotic colon or rectal resections between 2012 and 2014 were identified in the ACS-NSQIP database. Propensity score matching was performed to determine the effect of obesity on laparoscopic and robotic-assisted 30-day surgical outcomes. 29,172 patients met inclusion criteria; 27,693 (94.9%) underwent laparoscopic colorectal surgery while 1479 (5.1%) underwent robotic-assisted surgery. Mean BMI was 28.4 kg/m2 and 35% of patients had a BMI ≥30 kg/m2. A 10-to-1 propensity matching of laparoscopic to robotic approaches was performed, resulting in 14,770 (90.9%) laparoscopic patients and 1477 (9.1%) robotic-assisted patients available for analysis. Robotic-assisted surgery was associated with lower conversion to laparotomy (2.4 vs 3.4%; p = 0.04) and decreased length-of-stay (4.5±3.2 vs 5.1±4.5 days; p < 0.0001). After adjusting for BMI and surgical approach, obese patients undergoing robotic-assisted surgery had a reduced odds ratio for developing prolonged ileus (p = 0.03). Robotic-assisted colorectal surgery is associated with fewer conversions to laparotomy and shorter length-of-stays compared to laparoscopic surgery. Risk of prolonged ileus is significantly reduced in obese patients undergoing a robotic-assisted approach.
Journal of Robotic Surgery – Springer Journals
Published: Sep 12, 2017
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