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08.05.2020 | Original Contributions

An Evaluation of the Modern North American Bariatric Surgery Landscape: Current Trends and Predictors of Procedure Selection

Zeitschrift:
Obesity Surgery
Autoren:
Valentin Mocanu, Jerry T. Dang, Warren Sun, Daniel W. Birch, Shahzeer Karmali, Noah J. Switzer
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Abstract

Purpose

The last 5 years have produced a dramatic transformation in the landscape of bariatric and metabolic surgery. Yet, while the landscape of bariatric procedures is changing, little is known about these trends or which factors are responsible for their evolution.

Methods

All primary elective laparoscopic Roux-en-Y gastric bypass (LRYGB) and laparoscopic sleeve gastrectomy (LSG) cases were extracted from the comprehensive Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) data registry from 2015 to 2018.

Results

A total of 590,971 patients were identified, with 79.6% being female. Overall, 73.4% of patients underwent LSG. The mean age was 44.5 ± 12.0 years and mean BMI was 45.3 ± 7.9 kg/m2. An increase in proportion of LSG cases was observed and associated with a decrease in LRYGB cases from 2015 to 2018. Multivariable analysis identified dialysis dependence as the greatest predictor of LSG (OR 2.67; 95% CI 2.34–3.04), whereas insulin-dependent diabetes (OR 2.27; 95% CI 2.23–2.32) and gastroesophageal reflux disease (OR 1.52; 95% CI 1.51–1.55) were the two greatest predictors of LRYGB, respectively. Patients offered LSG in 2018 had a near 1.3-fold increase in odds of receiving sleeve gastrectomy vs. those offered surgery in 2015.

Conclusion

The overall numbers of bariatric cases have increased from 2015 to 2018 and are associated with an increase in proportion of LSG cases and a decrease in proportion of LRYGB cases over time. Factors other than patient comorbidities alone are responsible for the current trends and modern landscape of bariatric surgery.

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