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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

346
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:
346
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

239
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...
239
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

301
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...
301
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

546
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:
546
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

442
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,...
442
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

302
Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
302

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Related Experiment Video

Updated: Nov 20, 2025

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

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Published on: July 11, 2025

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Moving beyond the initial colonoscopy: a call for action.

Kia T Lim1, Glenn M Decruz1, Cheng H Ng1

  • 1Department of Medicine, Devi Yong Loo Lin School of Medicine, National University Singapore.

European Journal of Cancer Prevention : the Official Journal of the European Cancer Prevention Organisation (ECP)
|January 20, 2021
PubMed
Summary

Repeat colonoscopy rates are low at 22% despite 10-year recommendations. Patient trust, cancer fear, and procedural factors encourage repeat colonoscopies, while bowel prep and complications are barriers.

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Area of Science:

  • Gastroenterology
  • Preventive Medicine
  • Public Health

Background:

  • Colorectal cancer screening rates are increasing for initial colonoscopies.
  • Repeat colonoscopy uptake remains critically low at 22%, despite 10-year screening recommendations.

Purpose of the Study:

  • To systematically review barriers and facilitators influencing patients' decisions for repeat colonoscopies.
  • To identify factors that can improve adherence to recommended follow-up colonoscopy schedules.

Main Methods:

  • A qualitative systematic review of articles from Medline, Embase, CINAHL, PsycINFO, and Web of Science was conducted.
  • Key findings on patient-reported barriers and facilitators for repeat colonoscopy were summarized.

Main Results:

  • Facilitators include patient-provider trust, fear of cancer, understanding the importance of repeat screening, procedural visualization, and anesthesia.
  • Barriers identified were difficult bowel preparation and concerns about potential complications.

Conclusions:

  • Enhancing patient counseling to emphasize regular follow-up scopes, beyond just risks, is crucial.
  • Further research is needed to evaluate repeat colonoscopy uptake and develop targeted interventions.