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Updated: Feb 20, 2026
06:47
A Murine Model of Vertical Sleeve Gastrectomy
Published on: December 18, 2017
11.8K
Long-term nutritional impact of sleeve gastrectomy
M Caron1, F S Hould2, O Lescelleur1
1Department of Internal Medicine, Laval University, Quebec, Canada.
Summary
Sleeve gastrectomy (SG) is a common bariatric surgery, but long-term nutritional deficiencies like low ferritin and vitamin D are prevalent. Preoperative supplementation and ongoing monitoring are crucial for managing nutritional status after SG.
Area of Science:
- Bariatric Surgery
- Nutritional Science
- Endocrinology
Background:
- Sleeve gastrectomy (SG) is a leading bariatric procedure globally.
- Long-term nutritional consequences following SG remain largely uncharacterized.
Purpose of the Study:
- To document nutritional deficiencies before and after SG.
- To assess the impact of initial body weight on postoperative nutritional status.
Main Methods:
- Retrospective analysis of 537 patients undergoing SG (2008-2012).
- Data collected from a prospectively maintained electronic database.
- Patients received multivitamin supplementation; bivariate analyses were performed.
Main Results:
- Significant weight loss observed at 1 and 5 years post-SG.
- Increased prevalence of hypoalbuminemia and low ferritin levels post-surgery.
- Decreased prevalence of low vitamin B12 and vitamin D, with vitamin A peaking at 3 months.
- Baseline weight negatively correlated with vitamin B12 and vitamin D levels.
Conclusions:
- Nutritional deficiencies are common in morbidly obese patients, both pre- and post-SG.
- Preoperative nutritional supplementation is recommended.
- Long-term nutritional monitoring is essential to prevent deficiencies after SG.
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