Early Reinitiation of Obesity Pharmacotherapy Post Laparoscopic Sleeve Gastrectomy in Youth: A Retrospective Cohort Study
Abstract
Bariatric surgery is the most effective intervention for severe pediatric obesity, but a subset of youth experience suboptimal weight loss and/or recurrent weight gain. Early re-initiation of obesity pharmacotherapy postoperatively may improve outcomes, though this has not been evaluated in pediatric populations. A retrospective cohort study at a tertiary care children’s hospital evaluated the safety and efficacy of reintroducing obesity pharmacotherapy within six weeks after laparoscopic sleeve gastrectomy (LSG). Youth were offered obesity pharmacotherapy reinitiation at their 2-week postoperative visit. The study compared outcomes between 25 youth who chose early obesity pharmacotherapy reinitiation and 21 who received standard care without restarting medication. Primary outcomes included weight trajectory, eating behaviors, complications, readmissions, and reoperation rates, analyzed using independent t-tests, Chi-squared tests, and logistic regressions. Between November 2023 and July 2024, 53 youth had surgical consults, and 46 (86% conversion rate; mean age 16.5 ± 1.9 years, mean BMI 53 ± 9.7 kg/m2; 70% (32/46) female, 80% (37/46) Hispanic, 87% (40/46) publicly insured) underwent LSG, with 93% (43/46) using obesity pharmacotherapy preoperatively. Mixed-effects multivariate regression, adjusting for baseline BMI, age, and sex, revealed that early reinitiation (5.1 weeks [IQR 3.7, 8.4]) significantly reduced BMI, percent BMI, percent total weight loss (TWL), and percent…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence.
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