Why the study?
The robotic approach to metabolic bariatric surgery is increasingly popular despite limited data supporting beneficial outcomes.
Does robotic metabolic bariatric surgery improve early clinical outcomes compared to laparoscopic surgery in patients undergoing bariatric surgery?
Does robotic metabolic bariatric surgery improve early clinical outcomes compared to laparoscopic surgery in patients undergoing bariatric surgery?
Robotic bariatric surgery has comparable early clinical outcomes and safety to laparoscopic surgery after adjusting for confounders.
Comparable adjusted outcomes support safety equivalence in this cohort; should not change practice and leaves open RCT confirmation.
The robotic approach to metabolic bariatric surgery (MBS) is becoming more popular despite limited data supporting beneficial outcomes. The objective of this study was to evaluate the early outcomes of robotic MBS in Australia. An observational analysis of prospectively maintained data from the Australian arm of the Australia and New Zealand Bariatric Surgery Registry between 2014 to June 2022 were conducted. All patients who underwent robotic MBS (RMBS) were propensity score matched 1:1 to laparoscopic MBS (LMBS) within the Registry. Clinical outcomes were compared using conditional logistic regression analyses. A total of 66,232 patients were included (LMBS n = 65,322; RMBS n = 910) in the analysis. The majority of RMBS were gastric or duodenal-ileal bypasses, significantly higher than the LMBS cohort (49.6 vs 24.3%, p < 0.0001) and more were revisional procedures (26% vs 19.6%, p < 0.0001). On direct comparison, there were significantly more defined adverse events in the RMBS group. When adjusted for cofounders, clinical outcomes of RMBS were comparable to LMBS with no increased risks of defined adverse events or complications.
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Leang et al. (2025) studied this question.
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