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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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, unexplained...
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:
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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...
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...

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Related Experiment Video

Updated: Jul 2, 2026

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

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Published on: July 11, 2025

Risk factors for incomplete small-bowel capsule endoscopy.

Jessie Westerhof1, Rinse K Weersma, Jan J Koornstra

  • 1Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.

Gastrointestinal Endoscopy
|August 12, 2008
PubMed
Summary

Incomplete capsule endoscopy (CE) occurs in 19% of cases. Risk factors include longer gastric transit time, prior surgery, hospitalization, and poor bowel prep, enabling targeted interventions for complete small bowel imaging.

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Area of Science:

  • Gastroenterology
  • Medical Imaging

Background:

  • Capsule endoscopy (CE) is limited by incomplete small bowel imaging in 20-30% of procedures.
  • Failure to reach the cecum within recording time reduces the diagnostic value of CE.

Purpose of the Study:

  • To identify risk factors associated with incomplete small-bowel CE examinations.
  • To improve the diagnostic yield of CE by understanding failure predictors.

Main Methods:

  • Retrospective analysis of 291 consecutive capsule endoscopy procedures.
  • Data collected on patient demographics and potential risk factors; binary regression analysis used to identify independent risk factors.

Main Results:

  • Incomplete CE occurred in 19% of cases (55/291).
  • Significantly longer gastric transit time (median 45 min vs 21 min) was observed in incomplete procedures (P=.005).
  • Independent risk factors identified: prior small-bowel surgery, hospitalization, moderate/poor bowel cleansing, and gastric transit time > 45 minutes.

Conclusions:

  • Identification of specific risk factors allows for targeted strategies to reduce incomplete CE examinations.
  • Proactive management of identified risk factors can enhance the success rate of CE procedures.