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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...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
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,...
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...
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 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:

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Related Experiment Video

Updated: Jun 6, 2026

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

Published on: July 11, 2025

Factors associated with incomplete small bowel capsule endoscopy studies.

Mitchell M Lee1, Andrew Jacques, Eric Lam

  • 1St Paul's Hospital, University of British Columbia, 770-1190 Hornby Street, Vancouver, British Columbia V6Z 2K5, Canada.

World Journal of Gastroenterology
|November 13, 2010
PubMed
Summary

Small bowel capsule endoscopy (CE) completion rates can be improved by identifying patients with a history of bowel obstruction or those undergoing the procedure for gastrointestinal bleeding. These factors are key predictors of incomplete CE studies.

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Published on: October 16, 2013

Area of Science:

  • Gastroenterology
  • Medical Devices
  • Diagnostic Imaging

Background:

  • Small bowel capsule endoscopy (CE) is a valuable diagnostic tool.
  • Incomplete CE studies limit diagnostic yield.
  • Identifying risk factors for incomplete CE is crucial for improving patient care.

Purpose of the Study:

  • To determine patient-specific risk factors associated with incomplete small bowel capsule endoscopy (CE) procedures.
  • To identify predictors that can help stratify patients and guide interventions.

Main Methods:

  • Retrospective analysis of 535 CE procedures performed between December 2001 and June 2008.
  • Data collected included patient demographics and potential risk factors (e.g., indication, comorbidities, medication use).
  • Univariable and multivariable logistic regression models were used to analyze risk factors.

Main Results:

  • 29.5% of CE procedures were incomplete.
  • Independent risk factors for incomplete CE included prior history of bowel obstruction (OR 2.77) and procedures for gastrointestinal bleeding (Occult OR 2.04, Overt OR 2.69).
  • A trend towards incompleteness was observed in patients with prior abdominal surgery, opiate use, or hospitalization.

Conclusions:

  • Prior bowel obstruction and gastrointestinal bleeding indications are significant risk factors for incomplete CE.
  • These findings enable risk stratification of patients.
  • Interventions can be developed to enhance CE completion rates and diagnostic accuracy.