• Annals of surgery · Jan 2023

    Acute Care Utilization and Costs Up to 4 Years After Index Sleeve Gastrectomy or Roux-en-Y Gastric Bypass: A National Claims-Based Study.

    • Callaway KimKatherineKDivision of Health Policy and Insurance Research, Department of Population Medicine, Harvard Pilgrim Healthcare Institute, Harvard Medical, School, Boston, Massachusetts., Stephanie Argetsinger, James Frank Wharam, Fang Zhang, David E Arterburn, Adolfo Fernandez, Dennis Ross-Degnan, Jamie Wallace, and Kristina H Lewis.
    • Division of Health Policy and Insurance Research, Department of Population Medicine, Harvard Pilgrim Healthcare Institute, Harvard Medical, School, Boston, Massachusetts.
    • Ann. Surg. 2023 Jan 1; 277 (1): e78e86e78-e86.

    ObjectiveTo compare acute care utilization and costs following sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB).Summary Background DataComparing postbariatric emergency department (ED) and inpatient care use patterns could assist with procedure choice and provide insights about complication risk.MethodsWe used a national insurance claims database to identify adults undergoing SG and RYGB between 2008 and 2016. Patients were matched on age, sex, calendar-time, diabetes, and baseline acute care use. We used adjusted Cox proportional hazards to compare acute care utilization and 2-part logistic regression models to compare annual associated costs (odds of any cost, and odds of high costs, defined as ≥80th percentile), between SG and RYGB, overall and within several clinical categories.ResultsThe matched cohort included 4263 SG and 4520 RYGB patients. Up to 4 years after surgery, SG patients had slightly lower risk of ED visits [adjusted hazard ratio (aHR): 0.90; 95% confidence interval (CI): 0.85,0.96] and inpatient stays (aHR: 0.80; 95% CI: 0.73,0.88), especially for events associated with digestive-system diagnoses (ED aHR: 0.68; 95% CI: 0.62,0.75; inpatient aHR: 0.61; 95% CI: 0.53,0.72). SG patients also had lower odds of high ED and high total acute costs (eg, year-1 acute costs adjusted odds ratio (aOR) 0.77; 95% CI: 0.66,0.90) in early follow-up. However, observed cost differences decreased by years 3 and 4 (eg, year-4 acute care costs aOR 1.10; 95% CI: 0.92,1.31).ConclusionsSG may have fewer complications requiring emergency care and hospitalization, especially as related to digestive system disease. However, any acute care cost advantages of SG may wane over time.Copyright © 2021 The Author(s). Published by Wolters Kluwer Health, Inc.

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