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Open Access 01-12-2024 | Sleeve Gastrectomy | Research

One-Anastomosis Gastric Bypass (OABG) vs. Single Anastomosis Duodeno-Ileal Bypass (SADI) as revisional procedure following Sleeve Gastrectomy: results of a multicenter study

Authors: Pierpaolo Gallucci, Giuseppe Marincola, Francesco Pennestrì, Priscilla Francesca Procopio, Francesca Prioli, Giulia Salvi, Luigi Ciccoritti, Francesco Greco, Nunzio Velotti, Vincenzo Schiavone, Antonio Franzese, Federica Mansi, Matteo Uccelli, Giovanni Cesana, Mario Musella, Stefano Olmi, Marco Raffaelli

Published in: Langenbeck's Archives of Surgery | Issue 1/2024

Abstract

Purpose

Sleeve Gastrectomy (SG) is the most performed bariatric surgery, but a considerable number of patients may require revisional procedures for suboptimal clinical response/recurrence of weight (SCR/RoW). Conversion options include One-Anastomosis Gastric Bypass (OAGB) and Single Anastomosis Duodeno-Ileal Bypass (SADI). The study aims to compare SADI vs. OAGB as revisional procedures in terms of early and mid-term complications, operative time, postoperative hospital stay and clinical outcomes.

Methods

All patients who underwent OAGB or SADI as revisional procedures following SG for SCR/RoW at three high-volume bariatric centers between January 2014 and April 2021 were included. Propensity score matching (PSM) analysis was performed. Demographic, operative, and postoperative outcomes of the two groups were compared.

Results

One hundred and sixty-eight patients were identified. After PSM, the two groups included 42 OAGB and 42 SADI patients. Early (≤ 30 days) postoperative complications rate did not differ significantly between OAGB and SADI groups (3 bleedings vs. 0, p = 0.241). Mid-term (within 2 years) complications rate was significantly higher in the OAGB group (21.4% vs. 2.4%, p = 0.007), mainly anastomotic complications and reflux disease (12% of OAGBs). Seven OAGB patients required conversion to another procedure (Roux-en-Y Gastric Bypass—RYGB) vs. none among the SADI patients (p = 0.006).

Conclusions

SADI and OAGB are both effective as revisional procedures for SCR/RoW after SG. OAGB is associated with a significantly higher rate of mid-term complications and a not negligible rate of conversion (RYGB). Larger studies are necessary to draw definitive conclusions.

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Title: One-Anastomosis Gastric Bypass (OABG) vs. Single Anastomosis Duodeno-Ileal Bypass (SADI) as revisional procedure following Sleeve Gastrectomy: results of a multicenter study
Authors: Pierpaolo Gallucci
Giuseppe Marincola
Francesco Pennestrì
Priscilla Francesca Procopio
Francesca Prioli
Giulia Salvi
Luigi Ciccoritti
Francesco Greco
Nunzio Velotti
Vincenzo Schiavone
Antonio Franzese
Federica Mansi
Matteo Uccelli
Giovanni Cesana
Mario Musella
Stefano Olmi
Marco Raffaelli
Publication date: 01-12-2024
Publisher: Springer Berlin Heidelberg
Keywords: Sleeve Gastrectomy
Gastroesophageal Reflux Disease
Published in: Langenbeck's Archives of Surgery / Issue 1/2024
Print ISSN: 1435-2443
Electronic ISSN: 1435-2451
DOI: https://doi.org/10.1007/s00423-024-03306-y

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One-Anastomosis Gastric Bypass (OABG) vs. Single Anastomosis Duodeno-Ileal Bypass (SADI) as revisional procedure following Sleeve Gastrectomy: results of a multicenter study

Abstract

Purpose

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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