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Related Concept Videos

Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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.
During an EGD, the endoscope can be used to:
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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:
Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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.
Patient...
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

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.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...

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Updated: Jun 21, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

Published on: March 25, 2022

Balloon enteroscopy: single- and double-balloon enteroscopy.

Andrea May1

  • 1Department of Internal Medicine II, HSK Wiesbaden, Teaching Hospital-Johannes Gutenberg University, 65199 Wiesbaden, Germany. andrea.may@hsk-wiesbaden.de

Gastrointestinal Endoscopy Clinics of North America
|August 4, 2009
PubMed
Summary
This summary is machine-generated.

Double-balloon enteroscopy (DBE) is effective for examining the small bowel and diagnosing mid-gastrointestinal bleeding, with low complication rates. It remains the standard for small bowel endoscopy, influencing treatment decisions.

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Using the Endoscope for Endobronchial Ultrasound in the Esophagus
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Last Updated: Jun 21, 2026

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Using the Endoscope for Endobronchial Ultrasound in the Esophagus
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Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Published on: November 21, 2023

Area of Science:

  • Gastroenterology
  • Endoscopic Procedures

Background:

  • Small bowel examination is challenging due to its length.
  • Mid-gastrointestinal bleeding often originates in the small bowel, requiring specialized diagnostic tools.

Purpose of the Study:

  • To evaluate the diagnostic and therapeutic efficacy of balloon enteroscopy, particularly double-balloon enteroscopy (DBE).
  • To establish DBE as a standard for small bowel endoscopy.

Main Methods:

  • Review of studies on double-balloon enteroscopy (DBE) and single-balloon enteroscopy.
  • Analysis of diagnostic yield and complication rates for DBE in various indications, primarily mid-gastrointestinal bleeding.

Main Results:

  • DBE demonstrates a high diagnostic yield (70-80%) for small bowel bleeding with low complication rates (1% diagnostic, 3-4% therapeutic).
  • Single-balloon enteroscopy shows promise but requires further validation through larger studies.
  • DBE effectively replaces the need for intraoperative enteroscopy or laparotomy.

Conclusions:

  • Double-balloon enteroscopy is the current standard for diagnostic and therapeutic small bowel endoscopy.
  • DBE significantly impacts treatment strategies for small bowel pathologies, especially bleeding.