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Nutritional deficiencies after sleeve gastrectomy: can they be predicted preoperatively?
Tair Ben-Porat1, Ram Elazary2, Jonathan B Yuval2
1Department of Diet and Nutrition, Hadassah Hebrew University Medical Center, Jerusalem, Israel.
Summary
Laparoscopic sleeve gastrectomy (LSG) showed modest effects on nutritional deficiencies one year post-surgery. Preoperative nutritional status and personalized supplementation are key to preventing deficiencies after LSG.
Area of Science:
- Bariatric Surgery
- Nutritional Science
- Endocrinology
Background:
- Morbidly obese patients frequently experience nutritional deficiencies.
- Limited data exists on nutritional status following laparoscopic sleeve gastrectomy (LSG).
- Understanding these deficiencies is crucial for patient management.
Purpose of the Study:
- To determine the prevalence of nutritional deficiencies after LSG.
- To identify risk factors associated with postoperative deficiencies.
- To evaluate the impact of LSG on nutritional status.
Main Methods:
- A cohort of 192 patients undergoing LSG was studied.
- Preoperative and 1-year postoperative data were collected.
- Included anthropometric, comorbidity, and laboratory parameters.
Main Results:
- Preoperative deficiencies: 47% iron, 32% folate, 13% B12, 99% vitamin D, 41% elevated PTH.
- One-year post-LSG: Hemoglobin and B12 deficiencies worsened (20%, 17%).
- Preoperative deficiencies in hemoglobin, folate, and B12 predicted postoperative deficiencies.
Conclusions:
- LSG had a modest impact on nutritional deficiencies at one year.
- Preoperative nutritional status is a significant predictor of postoperative deficiencies.
- Personalized preoperative nutritional assessment and supplementation are recommended.
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