Prevalence of Helicobacter Pylori Infection Before and One Year After Classic Gastric Bypass Surgery

The aim of this study was to evaluate the prevalence of H.pylori, before and one year after Roux-en Y gastric bypass surgery.

The laparoscopic research center database from 2018 to 2020 was queried to identify patients undergoing laparoscopic Roux-en Y gastric bypass surgery(LRYGB). Retrospectively, the patients were evaluated for the presence of H.pylori infection via endoscopy or H. pylori Stool Ag before and 1 year after the surgery.

Among the 106 patients, H.pylori was positive in 50 (47.2%) patients pre-operatively. Based on post-op evaluation among 54 patients, only 4 (7.4%) developed post-op H.pylori infection.

. eradicating H. pylori in patients under Roux-en Y gastric bypass surgery remains efficient. So, it is not recommended to re-checked H.pylori Ag in patients after Roux-en Y gastric bypass surgery in the short term; but, further studies are suggested to evaluate the need for re-screening patients for H.pylori Ag in the long term after Roux-en Y gastric bypass surgery