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Related Concept Videos

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 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 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...
Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...

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Related Experiment Video

Updated: May 13, 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

Double- vs. single-balloon enteroscopy: single center experience with emphasis on procedural performance.

Philipp Lenz1, Moritz Roggel, Dirk Domagk

  • 1Department of Medicine B, University of Muenster, Albert-Schweitzer-Campus 1, Building A1, Muenster, Germany. lenzph@uni-muenster.de

International Journal of Colorectal Disease
|March 19, 2013
PubMed
Summary

Single-balloon enteroscopy (SBE) demonstrated a higher diagnostic yield and shorter procedure times compared to double-balloon enteroscopy (DBE) for small bowel disorders. Both methods are safe, but SBE may offer advantages in specific patient selections.

Related Experiment Videos

Last Updated: May 13, 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

Area of Science:

  • Gastroenterology
  • Endoscopy
  • Small Bowel Disorders

Background:

  • Enteroscopy is crucial for diagnosing small bowel disorders.
  • Double-balloon enteroscopy (DBE) and single-balloon enteroscopy (SBE) are advanced endoscopic techniques.
  • Comparing the efficacy and safety of DBE and SBE is essential for clinical practice.

Purpose of the Study:

  • To compare the procedural performance and clinical impact of DBE and SBE.
  • To evaluate diagnostic yield, insertion depth, and procedure time for both techniques.
  • To assess the safety and adverse event rates associated with DBE and SBE.

Main Methods:

  • Retrospective analysis of 1,052 DBEs and 515 SBEs in 904 patients over 7 years.
  • Analysis of procedural characteristics including insertion depth and small bowel length visualized.
  • Comparison of diagnostic yield, procedure time, sedation use, and adverse events.

Main Results:

  • DBE investigated more patients with anemia and GI bleeding.
  • DBE achieved greater oral insertion depth and small bowel length visualization.
  • SBE showed a significantly higher diagnostic yield (61.7% vs. 48.2%) and shorter procedure times.
  • Sedation use was significantly lower with SBE.
  • Complete enteroscopy rates and severe adverse events were comparable and low.

Conclusions:

  • Both DBE and SBE are safe and indispensable tools in gastroenterology.
  • SBE offers a higher diagnostic yield and shorter procedure times, potentially due to more focused patient selection.
  • Recent data suggest comparable visualization, indicating evolving techniques and applications.