Original Investigation

A 10-Year Cost-Effectiveness Analysis of Metabolic and Bariatric Surgery in Adolescents

JAMA Network Open 10.1001/jamanetworkopen.2026.18648

June 15, 2026 at 11:00 AM EDT

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Is metabolic and bariatric surgery (MBS), utilizing sleeve gastrectomy or Roux-en-Y gastric bypass (RYGB), cost-effective for adolescents with severe obesity over a 10-year horizon?In this economic evaluation of 100 000 simulated adolescents with severe obesity, both RYGB and sleeve gastrectomy were estimated to be cost-effective compared with no surgery alone, with incremental cost-effectiveness ratios of $50 271 and $41 164 per quality-adjusted life-year gained, respectively. However, RYGB was not cost-effective when directly compared with sleeve gastrectomy.These results suggest that MBS is a cost-effective long-term treatment strategy for adolescents with severe obesity, supporting broader use in clinical care and policy decisions.

Corresponding Author: John B. Rode, MD, MS, Department of Surgery, Division of Pediatric Surgery, Ann and Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, 225 E. Chicago Ave, Chicago, IL 60611 (jrode@luriechildrens.org).

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