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Related Concept Videos

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

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An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
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Endoscopic Procedures II: Colonoscopy01:25

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The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
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Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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Lower GI Series: Barium Enema01:23

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A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
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Updated: Jun 26, 2025

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Double balloon enteroscopy versus single balloon enteroscopy: A comparative study.

Jonathan T E Koh1, Lim Kim Wei1,2, Carlos Paolo Francisco1,3

  • 1Department of Gastroenterology and Hepatology, Singapore General Hospital, Singapore, Singapore.

Medicine
|May 17, 2024
PubMed
Summary
This summary is machine-generated.

Single balloon enteroscopy (SBE) and double balloon enteroscopy (DBE) show similar efficacy and safety for small bowel examination. This comparison of device-assisted enteroscopy techniques found comparable diagnostic and therapeutic success rates with low complication risks.

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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Medical Devices

Background:

  • Device-assisted enteroscopy (DAE) techniques, including double balloon enteroscopy (DBE) and single balloon enteroscopy (SBE), aim to improve small bowel examination and therapy.
  • Existing comparative studies on DBE and SBE effectiveness have produced inconsistent results.

Purpose of the Study:

  • To compare the efficacy and safety of single balloon enteroscopy (SBE) versus double balloon enteroscopy (DBE) for small bowel examination.
  • To evaluate technical success, diagnostic success, therapeutic success, and complication rates between SBE and DBE.

Main Methods:

  • Retrospective review of patient records undergoing DBE (n=82) or SBE (n=45) between January 2014 and January 2022.
  • Primary outcomes: technical and diagnostic success rates.
  • Secondary outcomes: therapeutic success and complication rates.

Main Results:

  • No significant differences were observed in technical success (DBE 95.1% vs. SBE 97.8%), diagnostic success (DBE 69.5% vs. SBE 77.8%), or therapeutic success (DBE 63.2% vs. SBE 54.3%).
  • Both SBE and DBE demonstrated low complication rates, with one case of mucosal tear in each group, none of which were major.

Conclusions:

  • Single balloon enteroscopy (SBE) offers comparable diagnostic and therapeutic performance to double balloon enteroscopy (DBE) in patients undergoing enteroscopy.
  • Both SBE and DBE are safe procedures for small bowel examination, characterized by low rates of complications.