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Nutrient deficiencies secondary to bariatric surgery
1Biochemistry and Immunology Department, Institute of Biological Sciences and Alfa Institute of Gastroenterology, Clinics Hospital, Medical School, Federal University of Minas Gerais, Brazil. alvarez@ufmg.br
Current Opinion in Clinical Nutrition and Metabolic Care
|August 6, 2004
Summary
Bariatric surgery patients frequently develop nutritional deficiencies, especially adolescents. Regular monitoring and supplementation are crucial for preventing and treating malnutrition after these procedures.
Area of Science:
- Bariatric Surgery
- Nutritional Science
- Gastroenterology
Background:
- Increasing global rates of bariatric surgery in adolescents and adults.
- Advancements in surgical techniques and longer follow-up data availability.
Purpose of the Study:
- Review recent literature on nutritional deficiencies post-bariatric surgery.
- Examine the etiology, incidence, treatment, and prevention of these deficiencies.
Main Methods:
- Literature review of studies published in recent years.
- Analysis of nutritional status based on surgical procedures and patient demographics.
Main Results:
- Malabsorptive procedures commonly lead to nutritional deficiencies, proportional to absorptive area and weight loss.
- Iron, vitamin B12, D, and calcium deficiencies are prevalent after Roux-en-Y gastric bypass.
- Protein and fat-soluble vitamin deficiencies occur after biliopancreatic diversion; thiamine deficiency is linked to vomiting.
Conclusions:
- Multidisciplinary team support and regular patient monitoring are key for preventing malnutrition.
- Nutrient supplementation effectively reverses deficiencies when diagnosed promptly.
- Adolescent girls require special attention for iron deficiency; further research on new procedures and younger patients is needed.