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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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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,...
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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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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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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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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...
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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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...
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Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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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 11, 2025

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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Prolonged video capsule endoscopy examination durations can improve capsule endoscopy completeness.

Kai-Liang Lin1,2,3, Kuan-Yi Sung1,2,3,4, Yong-Cheng Ye1,2,3

  • 1Endoscopy Center for Diagnosis and Treatment, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.

BMC Gastroenterology
|September 30, 2024
PubMed
Summary

Prolonged capsule endoscopy (CE) examinations significantly improve small bowel evaluation completion rates and diagnostic yield. Overnight CE is recommended for routine clinical practice to enhance patient management for suspected small bowel diseases.

Keywords:
Capsule endoscopyCompletion rateDiagnostic yieldSuspected small bowel bleeding

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Area of Science:

  • Gastroenterology
  • Medical Imaging

Background:

  • Capsule endoscopy (CE) is a valuable tool for diagnosing small bowel diseases.
  • The impact of extended examination times on CE performance remains unclear.

Purpose of the Study:

  • To assess the completeness and diagnostic yield of prolonged capsule endoscopy imaging.
  • To evaluate the effectiveness of extended CE examination in patients with suspected small bowel bleeding.

Main Methods:

  • Retrospective review of adult CE examinations using an overnight protocol (Jan 2016-Dec 2020).
  • Categorization of CE records by examination length: within 8 hours, within 12 hours, and entire procedure.
  • Comparison of completion rates and diagnostic yield across different examination durations using Cochran's Q test.

Main Results:

  • A total of 88 patients were included, with 78.4% being inpatients (median age 72 years).
  • The overall small bowel evaluation completion rate was 93.2%, significantly higher than rates within 12 hours (79.5%) and 8 hours (58%).
  • The diagnostic yield for the entire overnight study was 83%, significantly higher than the 8-hour group (71.6%) and comparable to the 12-hour group (81.8%).

Conclusions:

  • Extended overnight capsule endoscopy examinations enhance both completion rates and diagnostic yield.
  • Prolonged CE should be considered for routine clinical practice in managing patients with suspected small bowel bleeding.