In rare instances, the Allurion Gastric Balloon has not transited through the stomach or bowel as intended, leading to complications such as gastric outlet obstruction, small bowel obstruction and gastric perforation. Prompt medical intervention is essential to manage these complications. Allurion Technologies Inc. have updated documentation with new safety information. Field Safety Notice (FSN-01-2026) provides further details and should be read in conjunction with this Device Safety Information (DSI).
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Position Statements
Liver
BSG position statement on the American Association for the Study of Liver Disease practice guidance on risk stratification and management of portal hypertension and varices in cirrhosis
clinical-resource/BSG-AASLD-position-statement-cirrhosis
The British Society of Gastroenterology (BSG) recognises that the current UK guideline on the management of variceal bleeding in cirrhotic patients (2015) requires updating.

Clinical Resources
Allurion Gastric Balloon: Updated safety information due to the risks of gastric outlet obstruction, small bowel obstruction and gastric perforation (DSI/2026/004)
clinical-resource/MHRA-DSI-on-the-Allurion-Gastric-Balloon
In rare instances, the Allurion Gastric Balloon has not transited through the stomach or bowel as intended, leading to complications.