Clinical practice guidelines of the European Association for Endoscopic Surgery (EAES) on bariatric surgery: update 2020 endorsed by IFSO-EC, EASO and ESPCOP

Surg Endosc. 2020 Jun;34(6):2332-2358. doi: 10.1007/s00464-020-07555-y. Epub 2020 Apr 23.


Background: Surgery for obesity and metabolic diseases has been evolved in the light of new scientific evidence, long-term outcomes and accumulated experience. EAES has sponsored an update of previous guidelines on bariatric surgery.

Methods: A multidisciplinary group of bariatric surgeons, obesity physicians, nutritional experts, psychologists, anesthetists and a patient representative comprised the guideline development panel. Development and reporting conformed to GRADE guidelines and AGREE II standards.

Results: Systematic review of databases, record selection, data extraction and synthesis, evidence appraisal and evidence-to-decision frameworks were developed for 42 key questions in the domains Indication; Preoperative work-up; Perioperative management; Non-bypass, bypass and one-anastomosis procedures; Revisional surgery; Postoperative care; and Investigational procedures. A total of 36 recommendations and position statements were formed through a modified Delphi procedure.

Conclusion: This document summarizes the latest evidence on bariatric surgery through state-of-the art guideline development, aiming to facilitate evidence-based clinical decisions.

Keywords: AGREE II; Bariatric surgery; EAES; GRADE; Guidelines; Obesity.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bariatric Surgery / methods*
  • Endoscopy / methods*
  • Europe
  • Humans
  • Obesity, Morbid / surgery
  • Practice Guidelines as Topic*
  • Societies, Medical