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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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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 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.
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...
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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.
Patient...
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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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.
During an EGD, the endoscope can be used to:
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

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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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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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Related Experiment Video

Updated: Feb 17, 2026

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
03:43

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

Published on: July 11, 2025

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Experience of double balloon enteroscopy.

Ming-Yao Su1, Wei-Pin Lin2, Cheng-Tang Chiu1

  • 1Department of Gastroenterology and Hepatology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan, ROC; Chang Gung University College of Medicine, Taoyuan, Taiwan, ROC; Taiwan Association for the Study of Small Intestinal Diseases (TASSID), Taoyuan, Taiwan, ROC.

Journal of the Chinese Medical Association : JCMA
|December 5, 2017
PubMed
Summary

Double balloon enteroscopy (DBE) is a safe and effective tool for diagnosing obscure gastrointestinal bleeding, achieving an 82.4% diagnostic yield. While DBE has a learning curve, experienced endoscopists achieve efficient procedure times and high success rates.

Keywords:
Double balloon enteroscopyGastrointestinal bleedingObscure

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Endoscopic Vacuum Therapy for the Treatment of Anastomotic Leakage after Total Gastrectomy with Esophagojejunostomy
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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery
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Endoscopic Vacuum Therapy for the Treatment of Anastomotic Leakage after Total Gastrectomy with Esophagojejunostomy
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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery
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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Medical Devices

Background:

  • Obscure gastrointestinal bleeding (OGIB) presents diagnostic challenges.
  • Double balloon enteroscopy (DBE) offers a potential solution for investigating OGIB.

Purpose of the Study:

  • To evaluate the diagnostic and therapeutic experiences with DBE in patients with OGIB.
  • To assess the learning curve and procedural efficiency of DBE.

Main Methods:

  • A total of 124 patients with OGIB underwent 142 DBE procedures (84 oral, 58 rectal) between 2003 and 2009.
  • Procedures were performed by a single endoscopist to evaluate insertion times and diagnostic yield.
  • Analysis focused on procedure duration, factors influencing time, and overall diagnostic success.

Main Results:

  • The overall diagnostic yield for DBE was 82.4%.
  • Average insertion times decreased with experience, indicating a learning curve, particularly for rectal procedures.
  • No significant differences in diagnostic yield were observed based on gender or experience after initial learning phases.

Conclusions:

  • DBE is a safe and effective endoscopic technique for diagnosing and managing OGIB.
  • Physician expertise, developed through a learning curve, is crucial for optimizing insertion times and achieving high diagnostic and therapeutic rates with DBE.