biostudies-literatureHoward RNIDDK NIH HHS979-987https://www.ebi.ac.uk/biostudies/studies/S-EPMC9971342biostudies-literatureUnknown277(6)<h4>Objective</h4>Compare adverse outcomes up to 5 years after sleeve gastrectomy and gastric bypass in patients with Medicaid.<h4>Background</h4>Sleeve gastrectomy is the most common bariatric operation among patients with Medicaid; however, its long-term safety in this population is unknown.<h4>Methods</h4>Using Medicaid claims, we performed a retrospective cohort study of adult patients who underwent sleeve gastrectomy or gastric bypass from January 1, 2012, to December 31, 2018. Instrumental variables survival analysis was used to estimate the cumulative incidence and heterogeneity of outcomes up to 5 years after surgery.<h4>Results</h4>Among 132,788 patients with Medicaid, 84,717 (63.8%) underwent sleeve gastrectomy and 48,071 (36.2%) underwent gastric bypass. A total of 69,225 (52.1%Annals of surgeryComparative Safety of Sleeve Gastrectomy and Gastric Bypass up to 5 Years After Surgery in Patients With Medicaid.PMC9971342T32 DK108740R01 DK115408Howard RRyan ATelem DYang JArterburn DEhlers AO'Neill SThumma JDimick JBfalseComparative Safety of Sleeve Gastrectomy and Gastric Bypass up to 5 Years After Surgery in Patients With Medicaid.<h4>Objective</h4>Compare adverse outcomes up to 5 years after sleeve gastrectomy and gastric bypass in patients with Medicaid.<h4>Background</h4>Sleeve gastrectomy is the most common bariatric operation among patients with Medicaid; however, its long-term safety in this population is unknown.<h4>Methods</h4>Using Medicaid claims, we performed a retrospective cohort study of adult patients who underwent sleeve gastrectomy or gastric bypass from January 1, 2012, to December 31, 2018. Instrumental variables survival analysis was used to estimate the cumulative incidence and heterogeneity of outcomes up to 5 years after surgery.<h4>Results</h4>Among 132,788 patients with Medicaid, 84,717 (63.8%) underwent sleeve gastrectomy and 48,071 (36.2%) underwent gastric bypass. A total of 69,225 (52.1%2023-01-01T00:00:00Z2023 Jun2025-04-18T15:29:16.342Z2025-04-07T02:08:38.121ZS-EPMC99713423603649310.1097/sla.000000000000569210.1097/SLA.0000000000005692