British Obesity and Metabolic Surgery Society Guidelines on perioperative and postoperative biochemical monitoring and micronutrient replacement for patients undergoing bariatric surgery: 2020 Update

Mary O'Kane*, Helen Parretti, Jonathan Pinkney, Richard Welbourn, Carly Hughes, Jessica Mok, Nerissa Walker, Denise Thomas, Jennifer Devin, Karen D Coulman, Gail Pinnock, Rachel Batterham, Kamal Mahawar, Manisha Sharma, Alexandra I F Blakemore, Iris MacMillan, Julian Barth

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

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Abstract

Bariatric surgery is recognized as the most clinically and cost‐effective treatment for people with severe and complex obesity. Many people presenting for surgery have pre‐existing low vitamin and mineral concentrations. The incidence of these may increase after bariatric surgery as all procedures potentially cause clinically significant micronutrient deficiencies. Therefore, preparation for surgery and long‐term nutritional monitoring and follow‐up are essential components of bariatric surgical care. These guidelines update the 2014 British Obesity and Metabolic Surgery Society nutritional guidelines. Since the 2014 guidelines, the working group has been expanded to include healthcare professionals working in specialist and non‐specialist care as well as patient representatives. In addition, in these updated guidelines, the current evidence has been systematically reviewed for adults and adolescents undergoing the following procedures: adjustable gastric band, sleeve gastrectomy, Roux‐en‐Y gastric bypass and biliopancreatic diversion/duodenal switch. Using methods based on Scottish Intercollegiate Guidelines Network methodology, the levels of evidence and recommendations have been graded. These guidelines are comprehensive, encompassing preoperative and postoperative biochemical monitoring, vitamin and mineral supplementation and correction of nutrition deficiencies before, and following bariatric surgery, and make recommendations for safe clinical practice in the U.K. setting.
Original languageEnglish
Number of pages23
JournalObesity Reviews
Early online date2 Aug 2020
DOIs
Publication statusE-pub ahead of print - 2 Aug 2020

Keywords

  • bariatric surgery
  • guidelines
  • nutrition
  • micronutrients

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