2020 Virtual Scientific Session of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), 11-13 Augus
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and Other Interventional Techniques
2020 Virtual Scientific Session of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), 11-13 August 2020: Podium Abstracts
Ó Springer Science?Business Media, LLC, part of Springer Nature 2020
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The Effect of Smoking on Bariatric Surgical 30-Day Outcomes: PropensityScore Matched Analysis of the MBSAQIP
The Effect of Marijuana Use on Weight Loss and Comorbidity Remission After Bariatric Surgery
Michal R Janik, MD, PhD, Amir H Aryaie, MD, FACS; Texas Tech University Health Sciences Center
John Hammond, Raymond Sun, Lindsay Janes, Alma Torres, Jonathan Finks, MD, Associate Professor of Surgery; University of Michigan Medical School
Background: The independent effect of smoking on primary sleeve gastrectomy or Roux-Y gastric bypass is unclear. Objective: The study aimed to assess the effect of smoking on 30-day outcomes in patients who underwent primary sleeve gastrectomy or Roux-Y gastric bypass. Methods: Preoperative characteristics and outcomes from the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program dataset 2015-2017 were selected for all patients who underwent primary sleeve gastrectomy or Roux-Y gastric bypass. The outcomes included: reoperation, readmission, leak, and bleed rates. We used propensity score matching to control for potential confounding. Results: Out of 547 871 eligible patients, a total of 47 553 sleeve gastrectomy and 19 924 Roux-Y gastric bypass cases were included in the study. The groups were closely matched as intended. In Roux-Y gastric bypass patients smoking was associated with increased risk for leak (1.06 vs. 0.72%; relative risk [RR], 1.47; 95% confidence interval [CI], 1.09 to 1.98, p\0.01), bleeding (1.97% vs. 1.54%; RR, 1.28; 95%CI, 1.04 to 1.58; p\0.02), reoperation (3.12% vs 2.15%; RR, 1.45; 95%CI, 1.22 to 1.72; p\0.01) and readmission (7.54% vs. 6.04%; RR, 1.25; 95%CI, 1.12 to 1.38; p\0.01). In SG subjects smoking increased risk for leak (0.99% vs 0.87%; RR, 1.14; 95%CI, 1.00 to 1.61; p=0.04) and readmission (3.87% vs 3.21%; RR, 1.20; 95CI, 1.09 to 1.32; p\0.01). Conclusion: Smoking cigarettes at any point within the 12 months before admission for surgery increased the risk for surgical short term complications in bariatric patients, especially in those who underwent Roux-Y gastric bypass.
Background: Marijuana use has become increasingly common among patients seeking bariatric surgery. However, little is known about its effect on weight loss or associated outcomes of bariatric surgery, an important question given the orexigenic nature of the drug. We sought to compare patient reported outcomes on annual surveys among users and non-users of marijuana undergoing bariatric surgery in Michigan. Methods: We examined data from the Michigan Bariatric Surgery Collaborative to identify patients who had undergone bariatric surgery between 2014 and 2018 and had answered a recently added survey question on marijuana use. We used multivariable linear and logistic regression models to compa
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