Importance Sleeve gastrectomy is the most widely used bariatric operation; however, its long-
term safety is largely unknown. Objective To compare the risk of mortality, complications,
reintervention, and health care use 5 years after sleeve gastrectomy and gastric bypass.
Design, Setting, and Participants This retrospective cohort study included adult patients in a
national Medicare claims database who underwent sleeve gastrectomy or gastric bypass
from January 1, 2012, to December 31, 2018. Instrumental variables survival analysis was …

Objective: Compare adverse outcomes up to 5 years after sleeve gastrectomy and gastric
bypass in patients with Medicaid. Background: Sleeve gastrectomy is the most common
bariatric operation among patients with Medicaid; however, its long-term safety in this
population is unknown. Methods: 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 …