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Age as a long-term prognostic factor in bariatric surgery.
Gitana Scozzari1, Roberto Passera, Rosa Benvenga
1Digestive, Colorectal and Minimal Invasive Surgery, University of Torino, Corso A M Dogliotti 14, Turin, Italy.
Annals of Surgery
|October 26, 2012
Summary
Younger patients achieve greater and longer-lasting weight loss after Roux-en-Y gastric bypass (RYGBP). Age is a significant factor influencing bariatric surgery outcomes, suggesting careful consideration for older patients.
Area of Science:
- Bariatric surgery outcomes
- Obesity treatment effectiveness
- Surgical patient stratification
Background:
- Individual variability in weight loss after bariatric surgery is not fully understood.
- Limited research exists on the specific impact of preoperative age on long-term weight loss following Roux-en-Y gastric bypass (RYGBP).
Purpose of the Study:
- To investigate the influence of preoperative patient age on postoperative weight loss in individuals undergoing RYGBP.
- To analyze long-term weight loss trends in different age groups after RYGBP.
Main Methods:
- Retrospective analysis of prospectively collected RYGBP data from 2006-2010.
- Body mass index (BMI) changes were analyzed using mixed-effects models for repeated measures.
- Patients were stratified into age quartiles: ≤35, 36-42, 43-51, and ≥52 years.
Main Results:
- Younger patients (≤35 years) presented with higher preoperative BMI and a greater prevalence of super-obesity.
- Despite higher initial BMI, younger age groups demonstrated significantly greater and more sustained BMI reduction post-RYGBP.
- Age quartiles significantly modified the long-term BMI trend over the follow-up period.
Conclusions:
- Patient age is identified as a novel prognostic factor in bariatric surgery.
- Advanced age may be associated with reduced bariatric surgery effectiveness and increased risks.
- Careful evaluation of surgical indications is recommended for patients over 50 years old.
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