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Micronutrient deficiencies in the pre-bariatric surgery.
Summary
Pre-existing micronutrient deficiencies are common in obese patients undergoing bariatric surgery. These deficiencies, combined with the surgery
Area of Science:
- Bariatric Surgery
- Nutritional Science
- Obesity Management
Background:
- Obesity prevalence is increasing globally.
- Bariatric surgery is a highly effective treatment for morbid obesity.
- Nutritional status post-bariatric surgery is a significant concern, with potential for deficiencies.
Purpose of the Study:
- To systematically review existing literature on preoperative micronutrient deficiencies in patients seeking bariatric surgery.
Main Methods:
- A systematic review of 40 articles published between 2005-2012.
- Searched electronic databases including PubMed/Medline, Scielo, Lilacs, and Bireme.
- Keywords: bariatric surgery, obesity, preoperative, gastric bypass, vitamin deficiencies, mineral nutrient absorption.
Main Results:
- Consensus exists regarding preoperative nutritional deficiencies in obese patients.
- These deficiencies, coupled with surgical malabsorption, can lead to significant postoperative nutritional deficits, particularly micronutrients.
- This increases the risk of serious complications.
Conclusions:
- High rates of preoperative micronutrient deficiencies in bariatric surgery candidates, exacerbated by malabsorptive procedures, indicate a potentially worse prognosis.
- Preoperative nutritional assessment and dietary evaluation are crucial alongside surgical planning.
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