Correlation between age and weight loss after bariatric surgery
Open accessAbstract
Background Conflicting evidence exists regarding age as a predictive factor in excess weight loss after bariatric surgery. The objective of this cross-sectional study is to evaluate differences in excess BMI loss (%EBMIL) 1 year after surgery in patients older and younger than 45 years.Methods Adult obese patients fulfilling selection criteria underwent either Roux-en-Y gastric bypass or sleeve gastrectomy and were grouped according to age < and ≥45 years with follow-up at least 1 year. Both groups were compared in terms of excess BMI loss (%EBMIL) and other clinical outcomes. Possible relationship between %EBMIL, age, surgical technique, and presence of comorbidities such as diabetes mellitus, hypertension (HT), and dyslipidemia (DL) was searched.Results Three hundred thirty-seven patients (72.5 % female), 196 (50.1 %) younger than 45 years and 141 (49.9 %) with age ≥45 years. There was significant difference between age group and %EBMIL 12 months after surgery (p < 0.001), showing better results in younger patients. No differences were found in terms of gender, preoperative body mass index (BMI), surgical technique, nor presence of DL. Using multiple regression, we found significant interaction effect between age group (p < 0.001), presence of HT (p = 0.001), and %EBMIL at follow-up.Conclusions Patients younger than 45 years lose greater amount of excess BMI than older patients after bariatric surgery. This tendency might be useful as a preoperative weight loss predictor in bariatric patients.
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Findings indicate that younger patients lose more weight.
“Age as a predictor of weight loss has received only a modest amount of attention, but findings indicate that younger patients lose more weight [40], which coincides with our result.”
From Preoperative predictors of adherence to dietary and physical activity recommendations and weight loss one year after surgery (2016) · cites this paper as [40]
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Telomere length in patients with obesity submitted to bariatric surgery: A systematic review
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Roux-en-Y Gastric Bypass in Patients >60 Years of Age: Morbidity and Short-Term Outcomes
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- Authors
- Contreras, J. E., Santander, C., Court, I., & Bravo, J.
- Affiliations
- Clinica Santa Maria (CL)
- Hospital del Salvador (CL)
- Corresponding author
- Contreras, Juan Eduardo
- Venue
- Obesity Surgery
- Published
- 2013-03-06
- Volume
- 23
- Issue
- 8
- Pages
- 1286-1289
- ISSN
- 0960-8923 (ISSN-L)
- 1708-0428
- OpenAlex
- W1965510823
- Cited by
- 174
- References
- 15
- Citations by year
- 2026: 8 · 2025: 11 · 2024: 12 · 2023: 14 · 2022: 13 · 2021: 15 · 2020: 19 · 2019: 17 · 2018: 16 · 2017: 6 · 2016: 10 · 2015: 13 · 2014: 18 · 2013: 2
- FWCI
- 14.12
- Type
- journal article
- Language
- en
- Open access
- Licence
- cc-by-nc-nd
- www.springer.com/tdm (tdm)
- Locations
- Obesity Surgery (publishedVersion)
- PubMed (publishedVersion)
- Universidad de Chile (submittedVersion, cc-by-nc-nd)
- Topics
- Health Sciences › Medicine › Surgery › Bariatric Surgery and Outcomes
- Health Sciences › Medicine › Surgery › Body Contouring and Surgery
- Health Sciences › Medicine › Surgery › Minimally Invasive Surgical Techniques
- Keywords
- bariatric surgery, age
- MeSH terms
- Adolescent, Adult, Age Factors, Aged, Chile, Cross-Sectional Studies, Female, Follow-Up Studies, Humans, Male, Middle Aged, Obesity, Morbid, Gastric Bypass, Gastroplasty, Weight Loss, Comorbidity, Body Mass Index, Treatment Outcome, Patient Selection
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