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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

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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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Bleeding in fresh concrete occurs when water from the mix rises to the surface. This happens because the mix's solid components fail to retain all the water as they settle, leading to separation where water collects at the top. The severity of bleeding can be measured by assessing the total settlement or by noting the decrease in height per unit height of concrete.
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Updated: Jan 25, 2026

Laparoscopy-endoscopy Cooperative Surgery for the Treatment of Gastric Gastrointestinal Stromal Tumors
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Repeat capsule endoscopy in suspected gastrointestinal bleeding.

A R Robertson1, D E Yung1, S Douglas1

  • 1a Department of Gastroenterology , Royal Infirmary of Edinburgh , Edinburgh , Scotland.

Scandinavian Journal of Gastroenterology
|April 25, 2019
PubMed
Summary
This summary is machine-generated.

Repeat capsule endoscopy (CE) can detect small bowel (SB) bleeding missed by initial investigations. Repeat CE is valuable for ongoing concerns, especially when initial results are inconclusive or negative, improving diagnostic yield for SB bleeding.

Keywords:
Capsule endoscopyCrohn’s diseaseangioectasiairon deficiency anaemiamalignancysmall bowel bleeding

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Area of Science:

  • Gastroenterology
  • Medical Imaging

Background:

  • Small bowel (SB) bleeding and iron deficiency anemia (IDA) are common clinical challenges.
  • Capsule endoscopy (CE) is a primary tool for investigating SB pathology.
  • Diagnostic yield of initial CE can be limited, necessitating further investigation.

Purpose of the Study:

  • To evaluate the diagnostic utility of repeat capsule endoscopy (CE) for small bowel (SB) bleeding.
  • To assess the effectiveness of repeat CE in patients with ongoing clinical concerns after an initial SB investigation.

Main Methods:

  • Retrospective analysis of a 13-year database of CE examinations and hospital records.
  • Inclusion of patients undergoing multiple CEs for suspected SB bleeding or IDA.
  • Data extraction on clinical indications, time intervals, and diagnostic findings of repeat CE.

Main Results:

  • Repeat CE identified abnormalities in 45.8% of patients with initially normal examinations.
  • For patients with active bleeding and no source on initial CE, repeat CE isolated a cause in 83.3%.
  • Diagnostic yield of repeat CE was highest for active bleeding (83.3%) and lower for initially normal (45.8%) or angioectasia findings (14.2%).

Conclusions:

  • Repeat capsule endoscopy (CE) is valuable for diagnosing small bowel (SB) bleeding, particularly when initial investigations are inconclusive.
  • A significant proportion of SB bleeding causes are identified on repeat CE, especially in cases of active bleeding.
  • The diagnostic yield of repeat CE varies based on initial findings, highlighting its role in persistent clinical concerns.