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Evaluation of the Trends, Characteristics, and Outcomes in North American Youth Undergoing Elective Bariatric Surgery

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Abstract

Background

Severe obesity is increasingly common in youth and young adults, but outcomes following bariatric surgery remain largely unknown. The purpose of this study was to examine the trends, clinical characteristics, and postoperative outcomes of youth who underwent bariatric surgery.

Methods

This retrospective cohort study was conducted using the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) data registry from 2015 to 2018 inclusive. All youth and young adults aged 15–24 who underwent elective sleeve gastrectomy (SG) or Roux-en-Y gastric bypass (RYGB) were included. Bivariate analysis of trends, clinical characteristics, and postoperative outcomes was performed using Chi-squared tests for categorical variables and independent two sample t test for continuous variables. Multivariable logistic regression modeling was used to determine patient and operative factors predictive of serious complications.

Results

A total of 21,592 youth and young adults underwent bariatric surgery during the study time frame, representing 3.7% of total cases (n = 583,567) within the MBSAQIP. The cohort had a mean age of 21.5 ± 2.0 years and a mean BMI of 47.2 ± 8.0 kg/m2 and were predominantly female (84%). A relatively constant number of youth and young adult cases per hospital were observed over time (7.4 cases/center in 2015 vs. 6.7 cases/center in 2018). Overall, < 5% of cases required reoperation, reintervention, and readmission, or led to serious complications within 30 days of surgery. Multivariable logistic regression analysis identified RYGB as the single greatest independent predictor of serious complications (OR 3.1; 95% CI 2.58–3.64; p < 0.0001). Additional factors predictive of serious complications included female sex (OR 1.31; 95% CI 1.01–1.70; p = 0.04), sleep apnea (OR 1.27; 95% CI 1.02–1.58), and non-insulin-dependent diabetes (OR 1.35; 95% CI 1.04–1.75; p = 0.025).

Conclusion

Bariatric surgery in youth is safe but comprised only 3.7% of total MBSAQIP cases from 2015 to 2018. These data should serve as a call to government and healthcare agencies to develop policies and strategies that prioritize bariatric surgery for young people living with severe obesity.

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Authors and Affiliations

  1. Department of Surgery, University of Alberta, Edmonton, AB, Canada

    Valentin Mocanu, Krista Lai, Jerry T. Dang, Noah J. Switzer, Daniel W. Birch & Shahzeer Karmali

  2. Department of Pediatrics, UUniversity of Alberta, Edmonton, AB, Canada

    Geoff D. C. Ball

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  1. Valentin Mocanu
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  2. Krista Lai
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  3. Jerry T. Dang
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Correspondence to Valentin Mocanu.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. As this was a retrospective study, formal consent is not required.

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Appendix

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Table 5 Definition of serious complications composite variable
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Mocanu, V., Lai, K., Dang, J.T. et al. Evaluation of the Trends, Characteristics, and Outcomes in North American Youth Undergoing Elective Bariatric Surgery. OBES SURG 31, 2180–2187 (2021). https://doi.org/10.1007/s11695-021-05248-6

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  • DOI: https://doi.org/10.1007/s11695-021-05248-6

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