An Endocrine Society Clinical Practice Guideline Endocrine and Nutritional Management of the Post-Bariatric Surgery Patient:

Background:Bariatric surgery is currently the most effective treatment in morbidly obese patients, leading to durable weight loss.Objective:In this prospective double blind study, we aim to evaluate and compare the effects of laparoscopic Roux-en-Y gastric bypass (LRYGBP) with laparoscopic sleeve ga

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Weight loss, appetite suppression, and changes in fasting and postprandial ghrelin and peptide-YY levels after Roux-en-Y gastric bypass and sleeve gastrectomy: a prospective, double blind study

https://www.soard.org/article/S1550-7289(08)00630-8/pdf

American Association of Clinical Endocrinologists, The Obesity Society, and American Society for Metabolic & Bariatric Surgery Medical Guidelines for Clinical Practice for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient.

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Consenso SEEDO 2007 para la evaluación del sobrepeso y la obesidad y el establecimiento de criterios de intervención terapéutica

https://www.soard.org/article/S1550-7289(08)00163-9/pdf

ASMBS Allied Health Nutritional Guidelines for the Surgical Weight Loss Patient

Deficiencies in vitamins and other nutrients are common following the Roux-en-Y gastric bypass (RYGBP), biliopancreatic diversion (BPD) and biliopancreatic diversion with duodenal switch (BPDDS), and may become clinically significant if not recognized and treated with supplementation. This paper presents a review of the current literature and evidence of the most commonly deficient vitamins and minerals following weight loss surgery, including protein, iron, vitamin B12, folate, calcium, the fat-soluble vitamins (A, D, E, K), and other micronutrients. The deficiencies appear to be more substantial following malabsorptive procedures such as BPD, but occur with restrictive procedures as well. The review suggests that further studies are needed to evaluate the clinical significance of the nutritional deficiencies, and to determine guidelines for supplementation.

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Jennifer E Nalle

Papers

Nutritional deficiencies following bariatric surgery: what have we learned?