Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin create...
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,...
Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
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...
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:
Diverticular Disease of the Colon01:27

Diverticular Disease of the Colon

Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...

You might also read

Related Articles

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

Sort by
Same author

Association of Cumulative Proton Pump Inhibitor Use with Prostate Cancer Risk and Outcomes: A Population-Based Cohort Study.

Cancer research communications·2026
Same author

Kidney Morbidity in Pediatric Patients With Spina Bifida.

JAMA network open·2026
Same author

Commentary: Simple Policy, Entrenched System: Lessons From Post-Sedation Accompaniment.

Healthcare policy = Politiques de sante·2026
Same author

Forecasting Trends in Androgen Deprivation Therapy Intensification for Metastatic Hormone-Sensitive Prostate Cancer: A Retrospective Population-Based Cohort and Time-Series Analysis.

Current oncology (Toronto, Ont.)·2026
Same author

The long-term risk of urethral stricture requiring surgical intervention following pediatric hypospadias repair: A population-based cohort study.

Journal of pediatric urology·2026
Same author

Blood Biomarkers of Glucose Metabolism and Liver Function Modestly Improve Prediction of High-Risk Adenomas.

Gastro hep advances·2026
Same journal

How important is fiber in the Crohn's disease story?

Gastroenterology·2026
Same journal

Reply to "Critical Appraisal of the Integrin αV-YAP-CTGF Axis in Congestive Hepatopathy".

Gastroenterology·2026
Same journal

Critical Appraisal of the Integrin αV-YAP-CTGF Axis in Congestive Hepatopathy.

Gastroenterology·2026
Same journal

A High-Risk Impaction: To Scope or to Stent First?

Gastroenterology·2026
Same journal

Epithelial FOXP3 orchestrates O-glycosylated IL-6 secretion to drive pancreatic fibrocarcinogenesis.

Gastroenterology·2026
Same journal

Reply to "Methodological Considerations on Neonatal Metabolomics and Future Inflammatory Bowel Disease".

Gastroenterology·2026
See all related 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
06:28

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

Published on: August 1, 2019

Factors associated with incomplete colonoscopy: a population-based study.

Hemant A Shah1, Lawrence F Paszat, Refik Saskin

  • 1Department of Medicine, University of Toronto, Toronto, Canada.

Gastroenterology
|June 16, 2007
PubMed
Summary
This summary is machine-generated.

In Ontario, 13.1% of colonoscopies were incomplete, with older age, female sex, and private office settings being key factors. Quality improvement initiatives are crucial to enhance colonoscopy completion rates for better colorectal cancer screening.

More Related Videos

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
06:46

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

Published on: September 27, 2024

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

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
06:28

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

Published on: August 1, 2019

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
06:46

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

Published on: September 27, 2024

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
  • Public Health
  • Epidemiology

Background:

  • The U.S. Multi-Society Task Force on Colorectal Cancer recommends a 90% cecal intubation rate for colonoscopies.
  • Colonoscopy completion rates are a critical measure of screening quality.

Purpose of the Study:

  • To determine the colonoscopy completion rate in a population-based cohort in Ontario.
  • To identify patient, endoscopist, and setting-specific factors associated with incomplete colonoscopies.

Main Methods:

  • A population-based study analyzed colonoscopies performed in Ontario between 1999 and 2003.
  • Generalized estimating equations modeled factors associated with incomplete procedures.

Main Results:

  • 13.1% of 331,608 index colonoscopies were incomplete.
  • Incomplete procedures were associated with older patient age, female sex, prior abdominal/pelvic surgery.
  • Procedures in private offices had significantly higher odds of being incomplete compared to academic hospitals.

Conclusions:

  • A significant proportion of colonoscopies in Ontario remain incomplete in routine practice.
  • Patient age, sex, and procedure setting are key predictors of colonoscopy completion.
  • Targeted quality improvement programs are necessary to increase colonoscopy success rates.