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Related Concept Videos

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...
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:
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 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: Jun 14, 2026

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

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Quality of Colonoscopy Performed in Rural Practice: Experience From the Clinical Outcomes Research Initiative and the

Jennifer L Holub1, Cynthia Morris2, Lyle J Fagnan3

  • 1Department of Gastroenterology, Oregon Health & Science University, Portland, Oregon.

The Journal of Rural Health : Official Journal of the American Rural Health Association and the National Rural Health Care Association
|January 4, 2017
PubMed
Summary

High-quality colon cancer screening is achievable in rural areas. This study found that rural practices, even without specialized gastroenterologists, met many colonoscopy quality benchmarks.

Keywords:
colonoscopyprimary carequalityrural

Related Experiment Videos

Last Updated: Jun 14, 2026

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Area of Science:

  • Gastroenterology
  • Public Health
  • Rural Health

Background:

  • Colon cancer screening is crucial for early detection and prevention.
  • Achieving national screening goals requires adequate colonoscopy capacity, including in rural areas.
  • Rural areas may face challenges with specialized training for colonoscopy providers.

Purpose of the Study:

  • To assess the quality of colonoscopies performed in rural settings.
  • To compare colonoscopy quality in rural practices with nonrural practices.
  • To inform strategies for improving colonoscopy access and quality in underserved regions.

Main Methods:

  • Collaboration between the Clinical Outcomes Research Initiative (CORI) and the Oregon Rural Practice-based Research Network (ORPRN).
  • Recruitment of 10 rural Oregon practices to submit colonoscopy reports to the CORI National Endoscopic Database (NED).
  • Comparison of quality measures between ORPRN sites, non-ORPRN rural sites (n=11), and nonrural sites (n=43) from January 2009 to October 2011.

Main Results:

  • No ORPRN physicians were gastroenterologists, unlike 82% of nonrural physicians.
  • Cecal intubation rates were slightly lower in ORPRN practices (87.4%) compared to rural (89.3%) and nonrural (90.9%) sites.
  • Polyp retrieval (84.7% vs 91.6%) and pathology submission (77.1% vs 91.3%) were lower at ORPRN practices compared to nonrural sites, though overall polyp detection rates were similar (39.0% vs 40.3%).

Conclusions:

  • Rural practices demonstrated good performance on many colonoscopy quality metrics.
  • High-quality colonoscopy can be successfully performed in rural settings, even with non-specialized providers.
  • Findings suggest that targeted support and quality improvement initiatives can enhance rural colonoscopy services.