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Updated: May 22, 2026

Using the Endoscope for Endobronchial Ultrasound in the Esophagus
Published on: November 21, 2023
Small bowel enteroscopy
Christopher W Teshima1, Gary May
1Division of Gastroenterology, University of Alberta, Edmonton, Alberta T6G 2X8, Canada. teshima@ualberta.ca
Capsule endoscopy and balloon-assisted enteroscopy have transformed small bowel disease diagnosis. This review covers balloon-assisted enteroscopy methods and recent advancements for gastrointestinal endoscopists.
Area of Science:
- Gastroenterology
- Endoscopic Procedures
Background:
- Capsule endoscopy and balloon-assisted enteroscopy have significantly advanced the diagnosis and treatment of small intestinal diseases.
- The small bowel is now accessible for both diagnostic and therapeutic endoscopic interventions.
Purpose of the Study:
- To review various small bowel enteroscopy methods.
- To discuss the latest developments in enteroscopy techniques.
Main Methods:
- Review of double-balloon enteroscopy (DBE), the first balloon-assisted method with extensive data.
- Discussion of single-balloon enteroscopy (SBE) as an alternative.
- Introduction to spiral overtube-assisted enteroscopy (SAE) as a recent development.
Main Results:
- Balloon-assisted enteroscopy techniques have expanded the endoscopic capabilities for small bowel examination.
- DBE, SBE, and SAE represent key advancements in enteroscopy.
Conclusions:
- Enteroscopy methods, particularly balloon-assisted techniques, are crucial for managing small bowel diseases.
- Capsule endoscopy plays a role but is discussed here only in relation to enteroscopy.
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