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. 2021 Jul;35(7):3915-3922.
doi: 10.1007/s00464-020-07839-3. Epub 2020 Jul 31.

Trends in the utilization and perioperative outcomes of primary robotic bariatric surgery from 2015 to 2018: a study of 46,764 patients from the MBSAQIP data registry

Talar Tatarian  1 , Jie Yang  2 , Junying Wang  3 , Salvatore Docimo  4 , Mark Talamini  4 , Aurora D Pryor  4 , Konstantinos Spaniolas  4
Affiliations

Trends in the utilization and perioperative outcomes of primary robotic bariatric surgery from 2015 to 2018: a study of 46,764 patients from the MBSAQIP data registry

Talar Tatarian et al. Surg Endosc. 2021 Jul.

Abstract

Background: Utilization of robotic surgery has increased over time. Outcomes in bariatric surgery have been variable. This study used the Metabolic and Bariatric Surgery Accreditation Quality and Improvement Program (MBSAQIP) dataset to compare nationwide trends in utilization and outcomes improvement for robotic and laparoscopic bariatric surgery over a four-year period.

Methods: We identified all adult patients who underwent robotic or laparoscopic primary sleeve gastrectomy (SG) or Roux-en-Y gastric bypass (RYGB) from 2015 to 2018. Those with previous bariatric/foregut surgery or open conversion were excluded. Trends in clinical outcomes of different surgery types over years were compared through multivariable regression models. Subgroup analysis was performed for patients in 2018, comparing outcomes among different surgery types.

Results: A total of 571,417 patients underwent bariatric surgery, of which 46,764 (8.2%) were performed robotically. Utilization of the robotic platform increased annually, from 6.7% in 2015 to 10.3% in 2018 (p < 0.0001). The majority of patients underwent SG (n = 33,891, 72.5%). Perioperative outcomes improved over time for both robotic and laparoscopic procedures. Improvement was more pronounced in the robotic cohort for extended length of stay (OR 0.76 vs 0.8, p < 0.0001) and operative time (OR 0.98 vs 0.99, p < 0.0001). In the 2018 subgroup, multivariable analysis found laparoscopic RYGB was associated with increased bleeding (OR 2.220, p = 0.0004), overall complications (OR 1.356, p = 0.0013), and extended LOS (OR 1.178, p < 0.0001) compared to robotic surgery. Laparoscopic SG was associated with decreased anastomotic/staple line leak (OR 0.718, p = 0.0321), 30-d readmission (OR 0.826, p = 0.0005), 30-d reintervention (OR 0.723, p = 0.0014), overall event (OR 0.862, p = 0.0009), and extended LOS (OR 0.950, p = 0.0113). Across the board, laparoscopic surgery was associated with decreased operative time (Adjusted Ratio = 0.704, p < 0.0001).

Conclusion: Robotic utilization for bariatric surgery is increasing and outcomes continue to improve with time. There is a differential impact of the robotic approach on SG and RYGB, which requires further assessment.

Keywords: MBSAQIP; Outcome trends; Robotic bariatric surgery.

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