Long-Term Metabolic Effects and Recurrence of Weight Gain a Decade Post Roux-en-Y Gastric Bypass: Findings from a Longitudinal Cohort Analysis - Report - MDSpire
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Long-Term Metabolic Effects and Recurrence of Weight Gain a Decade Post Roux-en-Y Gastric Bypass: Findings from a Longitudinal Cohort Analysis
Long-Term Metabolic Effects and Weight Recurrence 10 Years Post-RYGB
Overview
This longitudinal cohort study evaluated weight regain (RWG) and metabolic outcomes a decade after Roux-en-Y gastric bypass (RYGB). Despite a mean RWG of 26% from the nadir at two years, significant metabolic benefits and quality of life improvements persisted at 10 years post-surgery.
Background
Roux-en-Y gastric bypass (RYGB) is a common bariatric surgery that induces sustained weight loss and improves obesity-related comorbidities. However, many patients experience recurrent weight gain (RWG) long-term, which may impact metabolic health. Data on outcomes beyond 10 years post-RYGB, especially regarding RWG and its metabolic consequences, remain limited. This study aimed to assess long-term RWG, metabolic outcomes, and predictors of weight regain in a large prospective cohort.
Data Highlights
Timepoint
Mean RWG (%) from 2-year Nadir
Follow-up Attendance (n)
5 years
Not specified
261
10 years
26.0 (SD not specified)
311
Key Findings
Among 311 patients attending 10-year follow-up, mean RWG from the 2-year nadir was 26.0%.
Significant RWG was defined as >30% weight gain from nadir; patients with ≤30% RWG included those with additional weight loss.
Despite RWG, metabolic benefits such as remission of type 2 diabetes, hypertension, and dyslipidemia persisted at 10 years.
Quality of life assessed by SF-36v2 at 10 years showed sustained improvements in physical and mental health domains.
Baseline clinical characteristics were analyzed to identify predictors of RWG, though specific predictors are not detailed in the excerpt.
Follow-up included standardized supplementation and monitoring to support metabolic health post-RYGB.
Clinical Implications
Clinicians should recognize that while recurrent weight gain is common a decade after RYGB, meaningful metabolic improvements and quality of life benefits often persist. Long-term follow-up with nutritional supplementation and monitoring remains essential. Identifying patients at risk for significant RWG may help tailor interventions to sustain weight loss and metabolic health.
Conclusion
Ten years after RYGB, patients commonly experience recurrent weight gain; however, substantial metabolic benefits and improved quality of life endure. These findings support the long-term value of RYGB despite weight regain.
References
Regional Ethical Committee Approval and STROBE Guidelines -- Study Design and Reporting
SF-36v2 Quality of Life Assessment -- Scoring and Interpretation
Clinical Definitions of Diabetes, Hypertension, and Dyslipidemia -- Outcome Measures
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