Related Experiment Video
Updated: Feb 16, 2026
08:16
One-anastomosis Gastric Bypass OAGB in Rats
Published on: November 10, 2018
11.5K
The First Consensus Statement on One Anastomosis/Mini Gastric Bypass (OAGB/MGB) Using a Modified Delphi Approach
Kamal K Mahawar1, Jacques Himpens2, Scott A Shikora3
1Bariatric Unit, Department of General Surgery, Sunderland Royal Hospital, Sunderland, SR4 7TP, UK. kamal_mahawar@hotmail.com.
Obesity Surgery
|December 16, 2017
Summary
Experts reached consensus on many aspects of the one anastomosis/mini gastric bypass (OAGB/MGB) procedure, deeming it a mainstream option. However, some disagreements remain, highlighting the need for further research in bariatric surgery.
Area of Science:
- Bariatric Surgery
- Gastroenterology
- Surgical Innovation
Background:
- The one anastomosis/mini gastric bypass (OAGB/MGB) is increasingly performed globally.
- A lack of expert consensus may impede OAGB/MGB progress and patient outcomes.
- This study presents findings from the first modified Delphi consensus-building exercise for OAGB/MGB.
Framework:
- A committee of 16 bariatric surgery opinion leaders was formed.
- 101 international OAGB/MGB experts participated in a modified Delphi consensus exercise.
- Consensus was defined as agreement among at least 70.0% of experts on 55 statements.
Implementation:
- Consensus was achieved on 48 out of 55 statements after two voting rounds.
- 100% agreement identified OAGB/MGB as an acceptable mainstream surgical option.
- High consensus rates were observed for OAGB/MGB not increasing cancer risk and specific gastric pouch construction.
Implications:
- Experts largely agree OAGB/MGB is no longer experimental and does not elevate cancer risk.
- Consensus was reached on routine supplementation of iron, vitamin B12, and vitamin D.
- Persistent disagreements underscore the necessity for continued research in OAGB/MGB procedures.
