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Introduction <p>Although MBS is endorsed for eligible adolescents, the optimal age for intervention remains unknown. This study evaluates body mass index (BMI) and weight outcomes after sleeve gastrectomy (SG) in different adolescent age groups.</p> Material and Methods <p>A multi-institutional chart review was performed at three children’s hospitals in the United States, including patients who underwent SG from March 2013 to September 2024. Demographics, comorbidities, and pre- and post-operative weight and BMI were compared between three subsets: patients 11–14 years of age (“&lt;15”), between 15 and 17.99 (“15–17”), and 18–23 (“18+”). The Kruskal–Wallis rank sum test and Pearson’s Chi-squared test were used.</p> Results <p>Of 324 patients, 55 were &lt; 15, 168 were 15–17, and 101 were 18+. Mean BMIs at time of initial consultation were 45 ± 9, 48 ± 10, and 48 ± 8 respectively. There were no differences in gender, race, insurance type or comorbidities among groups. The youngest patients were more likely to gain weight from consultation to surgery (+ 7.6% BMI change compared to + 2% and + 1.2%, <i>p</i> &lt; 0.001 in the intermediate and older groups, respectively). Day-of-surgery BMI was similar in all groups, as was %BMI change at 6 and 12 months postoperatively. Time from consultation to surgery was longest in the 18 + group (19 months) followed by &lt; 15 (17 months) and 15–17 (13 months) (<i>p</i> = 0.003).</p> Conclusion <p>The youngest cohort had significantly greater % BMI increase from consultation to surgery, with similar post-operative % BMI reductions. These findings suggest that earlier surgical intervention for pediatric patients may prevent additional preoperative weight gain and facilitate attainment of a healthy post-operative BMI.</p>

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Weight Trajectory in Young People Undergoing Sleeve Gastrectomy: Does Age Make a Difference? A Children’s Obesity Surgery Multi-Institutional Collaborative (COSMIC) Analysis

  • 期刊论文

  • 发表日期：

    2026年4月7日

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  • Josélio Rodrigues de Oliveira Filho,
  • Michael A. Kochis,
  • Mark Shacker,
  • Kelly Brennan,
  • Christa Bella Bizimana,
  • Alyssa E. Stetson,
  • Justine O. Chinn,
  • Janey S. A. Pratt,
  • Cornelia Griggs,
  • Matthew Hornick

摘要

Introduction

Although MBS is endorsed for eligible adolescents, the optimal age for intervention remains unknown. This study evaluates body mass index (BMI) and weight outcomes after sleeve gastrectomy (SG) in different adolescent age groups.

Material and Methods

A multi-institutional chart review was performed at three children’s hospitals in the United States, including patients who underwent SG from March 2013 to September 2024. Demographics, comorbidities, and pre- and post-operative weight and BMI were compared between three subsets: patients 11–14 years of age (“<15”), between 15 and 17.99 (“15–17”), and 18–23 (“18+”). The Kruskal–Wallis rank sum test and Pearson’s Chi-squared test were used.

Results

Of 324 patients, 55 were < 15, 168 were 15–17, and 101 were 18+. Mean BMIs at time of initial consultation were 45 ± 9, 48 ± 10, and 48 ± 8 respectively. There were no differences in gender, race, insurance type or comorbidities among groups. The youngest patients were more likely to gain weight from consultation to surgery (+ 7.6% BMI change compared to + 2% and + 1.2%, p < 0.001 in the intermediate and older groups, respectively). Day-of-surgery BMI was similar in all groups, as was %BMI change at 6 and 12 months postoperatively. Time from consultation to surgery was longest in the 18 + group (19 months) followed by < 15 (17 months) and 15–17 (13 months) (p = 0.003).

Conclusion

The youngest cohort had significantly greater % BMI increase from consultation to surgery, with similar post-operative % BMI reductions. These findings suggest that earlier surgical intervention for pediatric patients may prevent additional preoperative weight gain and facilitate attainment of a healthy post-operative BMI.