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Laparoscopic One Anastomosis Gastric Bypass (OAGB)/ Mini Gastric Bypass (MGB): Weight Loss Outcomes

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Obesity, Bariatric and Metabolic Surgery

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Abstract

In many countries, one anastomosis gastric bypass (OAGB) is considered as one of the options in bariatric surgery. It involves creating a long, narrow gastric tube anastomosed inside the small intestine at 150–200 cm downstream of the Treitz angle. In the short, mid-, and long term, OAGB with biliopancreatic limb (BPL) length of 200 cm appears to be more effective on weight loss than the Roux-en-Y gastric bypass. When comparing different lengths of BPL, 150 cm BPL or tailored limb have similar results in terms of weight loss compared to 200 cm BPL but with decreased rate of nutritional deficiency. Probably, a modification of the length of BPL is necessary when performing OAGB compared to its original description (biliopancreatic limb of 200 cm). Randomized studies with long-term follow-up along with data regarding digestive symptoms (e.g., gastroesophageal reflux disease) and nutritional symptoms (e.g., malnutrition) are necessary to determine the place of this technique in revisional settings.

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Author information

Authors and Affiliations

  1. Department of Digestive Surgery, Félix Guyon University Hospital, la Réunion, France

    Radwan Kassir

  2. Université de la Réunion, UFR santé, France

    Radwan Kassir

  3. Department of Digestive and hepato-bilio-pancreatic surgery, INSERM UMRS 1269, Sorbonne Université, Assistance Publique Hôpitaux de Paris, Liver Transplantation, Pitié-Salpêtrière University Hospital, Paris, France

    Laurent Genser

  4. General and Digestive Surgery Department, University hospital of Nantes, Nantes, France

    Claire Blanchard

  5. INSERM, CNRS, UNIV Nantes, Nantes, France

    Claire Blanchard

  6. Department of Digestive, Oncologic and Bariatric Surgery; Specialized Center for Obesity Management, Assistance Publique – Hôpitaux de Paris, Hôpital européen Georges Pompidou, Inserm UMRS 1149, Université de Paris, Paris, France

    Tigran Poghosyan

  7. Department of Digestive, Esogastric and Bariatric Surgery, Bichat Claude Bernard University Hospital, Paris, France

    Lionel Rebibo

  8. Inserm UMR 1149, Université de Paris, Paris, France

    Lionel Rebibo

Authors
  1. Radwan Kassir
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  2. Laurent Genser
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  3. Claire Blanchard
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  4. Tigran Poghosyan
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  5. Lionel Rebibo
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Editor information

Editors and Affiliations

  1. Homerton University Hospital, London, UK

    Sanjay Agrawal

Section Editor information

  1. Department of Surgery, Sunderland Royal Hospital, Sunderland, UK

    Kamal Mahawar

  2. Department of General and Bariatric Surgery, Whittington Hospital, London, UK

    Chetan Parmar

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Kassir, R., Genser, L., Blanchard, C., Poghosyan, T., Rebibo, L. (2021). Laparoscopic One Anastomosis Gastric Bypass (OAGB)/ Mini Gastric Bypass (MGB): Weight Loss Outcomes. In: Agrawal, S. (eds) Obesity, Bariatric and Metabolic Surgery. Springer, Cham. https://doi.org/10.1007/978-3-030-54064-7_92-1

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  • DOI: https://doi.org/10.1007/978-3-030-54064-7_92-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-54064-7

  • Online ISBN: 978-3-030-54064-7

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