Gastrointestinal reported outcomes following one anastomosis gastric bypass based on a multicenter study

Shiri Sherf-Dagan, Reut Biton, Rui Ribeiro, Yafit Kessler, Tair Ben-Porat, Asnat Raziel, Carina Rossoni, Hasan Kais, Rossela Bragança, Zélia Santos, David Goitein, Octávio Viveiros, Yitka Graham, Kamal Mahawar, Nasser Sakran

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: To describe gastrointestinal-related side-effects reported following the One Anastomosis Gastric Bypass (OAGB). Methods: A multicenter study among OAGB patients across Israel (n = 277) and Portugal (n = 111) who were recruited to the study based on time elapsed since surgery was performed. An online survey with information on demographics, anthropometrics, medical conditions, and gastrointestinal outcomes was administered in both countries simultaneously. Results: Respondents from Israel (pre-surgery age of 41.6 ± 11.0 years, 75.8% females) and Portugal (pre-surgery age of 45.6 ± 12.3 years, 79.3% females) presented mean excess weight loss of 51.0 ± 19.9 and 62.4 ± 26.5%, 89.0 ± 22.0 and 86.2 ± 21.4%, and 89.9 ± 23.6 and 98.2 ± 20.9% (P < 0.001 for both countries), at 1–6 months, 6–12 months, and 1–5 years post-surgery, respectively. Median Gastrointestinal Symptom Rating Scale score was similar between time elapsed since surgery groups among respondents from Israel and Portugal (≤1.97 and ≤2.12). A notable proportion of respondents from Israel and Portugal at all time points reported 1–3 bowel movements per day (≤62.8 and ≤87.6%), Bristol stool scale categories which represent diarrhea-like stools (≤51.9 and ≤56.3%), having discomfort due to flatulence (≤79.4 and ≤90.2%), and mild to severe dyspepsia symptoms (≤50.5 and ≤73.0%). Conclusions: A notable proportion of OAGB patients might experience certain gastrointestinal symptoms postoperatively, including flatulence, dyspepsia, and diarrhea-like stools.

Original languageEnglish
Pages (from-to)635-643
Number of pages9
JournalExpert Review of Gastroenterology and Hepatology
Volume17
Issue number6
DOIs
StatePublished - 2023

Bibliographical note

Publisher Copyright:
© 2023 Informa UK Limited, trading as Taylor & Francis Group.

Keywords

  • Bariatric surgery
  • functional gastrointestinal disorders
  • gastric bypass
  • obesity
  • weight outcomes

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