Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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...

Endoscopic Procedures II: Colonoscopy

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 III: Video Capsule Endoscopy

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Risk-based pathology reporting after endoscopic submucosal dissection for early gastrointestinal cancer: international consensus standards.

Gut·2026

Same author

Primary Human Papillomavirus Screening Versus Cytology for Detection of Cervical Intraepithelial Neoplasia Grade 2 or Higher in Poland: a Parallel-Group, Randomized Controlled Trial.

The Lancet regional health. Europe·2026

Same author

Performance of an artificial intelligence system versus endoscopists for interrogation of scars after piecemeal endoscopic mucosal resection.

Endoscopy international open·2026

Same author

PolyDeep Advance 3: Randomized Clinical Trial comparing PolyDeep-assisted and conventional colonoscopy for adenoma detection rate in a colorectal cancer screening program.

Endoscopy·2026

Same author

Clinical features and therapeutic requirements of perianal disease in adult patients with ulcerative colitis: the PERICO study of the ENEIDA registry.

Inflammatory bowel diseases·2026

Same author

Long-Term Colorectal Cancer Incidence After Adenoma and Serrated Polyp Removal: Results From the Colonprev Trial.

United European gastroenterology journal·2026

Search research articles

Related Experiment Video

Updated: Jun 30, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Computer-aided detection in surveillance colonoscopy: a population-based randomized trial.

Laura Codesido-Prado^1,2, Pedro Davila-Piñón³, Raquel Almazán⁴

¹University of Santiago de Compostela, Faculty of Medicine, Spain, Santiago de Compostela.

|June 28, 2026

Summary

Computer-aided detection (CADe) did not improve adenoma detection rates (ADR) in colonoscopy surveillance overall. However, CADe did increase ADR for lower-performing endoscopists in this study.

Related Experiment Videos

Last Updated: Jun 30, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Area of Science:

Gastroenterology
Endoscopy
Cancer Screening

Background:

Computer-aided detection (CADe) enhances adenoma detection during colonoscopy.
Its efficacy in post-polypectomy surveillance remains unclear.
This study investigated CADe's role in surveillance colonoscopy.

Purpose of the Study:

To compare the adenoma detection rate (ADR) of CADe-assisted versus standard high-definition colonoscopy during surveillance.
To evaluate CADe's effectiveness across different endoscopist performance levels.

Main Methods:

A population-based randomized controlled trial was conducted within a colorectal cancer screening program.
Colonoscopy sessions were randomized to standard or CADe-assisted high-definition colonoscopy.
Adenoma detection rate (ADR) was the primary endpoint, with subgroup analyses based on endoscopist performance.

Main Results:

Adenoma detection rate (ADR) did not significantly differ between CADe-assisted and standard colonoscopy groups (57.4% vs 58.8%).
CADe significantly increased ADR in endoscopists with lower baseline performance (45.5% vs 52.1%).
No significant ADR increase was observed for high-performing endoscopists (65.9% vs 63.5%).

Conclusions:

Computer-aided detection (CADe) did not improve overall adenoma detection rates in surveillance colonoscopies within a high-performing screening program.
The benefits of CADe in surveillance colonoscopy may be confined to endoscopists with lower baseline adenoma detection rates.