Morbidly obese patients who underwent robotic sleeve gastrectomy or robotic gastric bypass experienced similar weight loss with few complications, according to data presented at the Society of American Gastrointestinal and Endoscopic Surgeons Annual Meeting in Baltimore.
Researchers performed a retrospective analysis of 134 recipients of robotic sleeve gastrectomy (RSG) and 165 patients who underwent robotic gastric bypass (RGB) at a single facility. Follow-up occurred between 1 and 3 months, 4 and 6 months, 7 and 9 months and more than 12 months after surgeries. Researchers evaluated length of hospital stay, incidence of complications, excess weight loss percentage (EWL%), surgical time and preoperative BMI.
RGB patients had a significantly higher mean preoperative BMI than RSG recipients (47.4 ± 9.8 kg/m2 vs. 45 ± 7 kg/m2; P<.02). EWL after surgery was 23.3% at 1 to 3 months, 46.2% at 4-6 months, 55% at 7 to 9 months and 71.5% at more than 12 months in the RSG group. Those in the RGB group had EWL of 25.1% at 1 to 3 months, 46.5% at 4 to 6 months, 57.6% at 7 to 9 months and 68.9% after more than 12 months.
Mean surgical time was longer in the RGB group (140.7 minutes vs. 106.6 minutes; P<.01), but both groups had mean hospital stays of 2.2 days.Complications among RGB patients included one stricture and three bleeding and ulcer formation events; the RSG group included one incident of sleeve torsion and two thrombotic events. No leaks occurred in either group.
“Our results show that both RSG and RGB are safe and effective procedures for the treatment of morbid obesity, showing comparable weight loss results, low rates of bleeding, strictures and no evidence of leaking from the anastomotic sites,” the researchers concluded. “Additional studies with larger numbers, longer follow-up and evaluation of patient satisfaction are still needed.”
For more information:
Gonzalez AM. S034: A Comparative Study of Robotic Sleeve Gastrectomy and Robotic Gastric Bypass: A Single Institution Experience. Presented at: the Society of American Gastrointestinal and Endoscopic Surgeons 2013 Annual Meeting; April 17-20, Baltimore.