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Related Concept Videos

Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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Related Experiment Video

Updated: Jun 10, 2026

Underwater Endoscopic Injection Sclerotherapy for Gastroesophageal Varices
02:14

Underwater Endoscopic Injection Sclerotherapy for Gastroesophageal Varices

Published on: August 1, 2025

Mesenteric embolization for lower gastrointestinal bleeding.

Chris J Gillespie1, Andrew D Sutherland, Peter J Mossop

  • 1Department of Colorectal Surgery, St. Vincent's Hospital, Melbourne, Australia.

Diseases of the Colon and Rectum
|August 14, 2010
PubMed
Summary
This summary is machine-generated.

Mesenteric angiography identifies bleeding in 48% of lower gastrointestinal bleeding cases, with embolization succeeding in 76%. Repeat embolization, however, carries significant complication risks.

Related Experiment Videos

Last Updated: Jun 10, 2026

Underwater Endoscopic Injection Sclerotherapy for Gastroesophageal Varices
02:14

Underwater Endoscopic Injection Sclerotherapy for Gastroesophageal Varices

Published on: August 1, 2025

Area of Science:

  • Interventional Radiology
  • Gastroenterology
  • Vascular Surgery

Background:

  • Lower gastrointestinal bleeding (LGIB) is a significant clinical challenge.
  • Mesenteric embolization is a recognized treatment modality for LGIB.
  • Determining the efficacy and influencing factors of this procedure is crucial.

Purpose of the Study:

  • To evaluate the outcomes of mesenteric angiography and embolization for LGIB.
  • To identify factors influencing the success of these interventions.
  • To assess the complication rates associated with the procedures.

Main Methods:

  • Prospective database analysis of mesenteric angiograms for LGIB.
  • Data collected from a tertiary center between 1998 and 2008.
  • Combined with comprehensive chart review for patient data.

Main Results:

  • 107 angiograms were performed in 78 patients over 83 bleeding episodes.
  • Active bleeding identified in 48% of cases; embolization performed in 45%.
  • Successful immediate bleeding cessation in 100% of embolized patients, with 76% overall clinical success; mortality 7%, complications noted.

Conclusions:

  • Mesenteric angiography is effective in identifying bleeding sources in nearly half of LGIB cases.
  • Embolization provides high clinical success rates for LGIB.
  • Repeat embolization is linked to increased complication rates, necessitating careful consideration.