Related Experiment Video
Updated: Jul 13, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
Published on: May 31, 2016
Obscure gastrointestinal bleeding and calcific aortic stenosis (Heyde's syndrome)
Insights
Heyde's syndrome links calcific aortic valve stenosis with gastrointestinal bleeding from intestinal angiodysplasias. Aortic valve replacement can resolve bleeding, suggesting a connection via coagulation factors.
Area of Science:
- Cardiology
- Gastroenterology
- Hematology
Background:
- Heyde's syndrome is characterized by the co-occurrence of calcific aortic valve stenosis and obscure gastrointestinal bleeding.
- The bleeding is typically caused by intestinal angiodysplasias, often located in the cecum and ascending colon.
- The underlying pathophysiologic link between aortic stenosis and gastrointestinal bleeding has been poorly understood.
Observation:
- This case report details a patient experiencing recurrent obscure gastrointestinal bleeding.
- The patient also presented with diagnosed calcific aortic stenosis and identified intestinal angiodysplasias.
- The clinical presentation aligns with the diagnostic criteria for Heyde's syndrome.
Findings:
- Recent research suggests a potential link involving subtle alterations in plasma coagulation factors.
- Successful aortic valve replacement in some patients has led to the cessation of gastrointestinal bleeding.
- This observation supports a pathophysiologic connection between the cardiac and gastrointestinal conditions.
Implications:
- Understanding the link between aortic valve disease and gastrointestinal bleeding can improve patient management.
- Further research into coagulation factor alterations may reveal novel therapeutic targets.
- Aortic valve assessment should be considered in patients with unexplained gastrointestinal bleeding and angiodysplasias.
Abstract:
The coexistence of calcific aortic valve stenosis and obscure gastrointestinal bleeding secondary to intestinal angiodysplasias usually of the cecum and the ascending colon constitutes Heyde's syndrome. The pathophysiologic link between both entities has remained unclear so far but newer studies suggest that it is the result of subtle alterations in plasma coagulation factors. Cessation of the bleeding has followed replacement of the aortic valve. We describe a patient with recurrent obscure gastrointestinal bleeding, calcific aortic stenosis and intestinal angiodysplasias, and discuss the current literature.
Related Concept Videos
Aneurysm II: Clinical Manifestations and Diagnostic Studies
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Esophageal Varices-I: Introduction
Esophageal 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 abuse, or...
Aneurysm I: Introduction
Inflammatory 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...
