Related Experiment Video
Updated: Jun 12, 2025
Microsurgical Venous Pouch Arterial-Bifurcation Aneurysms in the Rabbit Model: Technical Aspects
Published on: May 11, 2011
Small Bowel Bleeding Due to Vascular Lesions: Pathogenesis and Management
Sunny Sandhu1, Jonathan Gross1, Jodie A Barkin2
1Division of Digestive Health and Liver Diseases, Department of Medicine, University of Miami Leonard M. Miller School of Medicine at the University of Miami, 1120 NW 14 th Street, Clinical Research Building, Suite 1188 (D-49), Miami, FL, 33136, USA.
Small bowel bleeding, often caused by vascular lesions like angiodysplasia, is increasingly diagnosed with advanced imaging and endoscopy. Management involves resuscitation, endoscopic evaluation, and tailored medical, radiological, or surgical interventions.
Area of Science:
- Gastroenterology
- Vascular Medicine
Background:
- Small bowel bleeding (SBB) is a subset of obscure gastrointestinal bleeding.
- Vascular lesions are the primary cause of SBB.
Purpose of the Study:
- To review the latest advancements in the understanding of small bowel vascular lesions.
- To cover pathogenesis, diagnosis, and management strategies.
Main Methods:
- Comprehensive literature review of recent studies.
- Analysis of diagnostic modalities including video capsule endoscopy (VCE) and deep enteroscopy.
- Evaluation of therapeutic approaches.
Main Results:
- Terminology shifted from "obscure GI bleeding" to "small bowel bleeding".
- Vascular lesions, predominantly angiodysplasia, are the most common cause of SBB.
- Advanced diagnostics (VCE, deep enteroscopy) improve source identification.
- Management includes resuscitation, endoscopic evaluation, and multimodal therapies.
Conclusions:
- Small bowel vascular lesions are the leading cause of SBB.
- Early and accurate diagnosis is crucial for effective management.
- A multidisciplinary approach optimizes patient outcomes.
Related Concept Videos
01:28Esophageal Varices-II: Clinical Features and Management
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
01:21Inflammatory Bowel Disease V: Surgical Management
Here are some common surgical interventions for IBD:
01:24Esophageal Varices-I: Introduction
01:24Disorders of Hemostasis
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
01:27Inflammatory Bowel Disease I: Ulcerative Colitis
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...
01:30Venous Thrombosis IV: Nursing Management