Atrial Septal Defects and Cardioembolic Strokes

Atrial Septal Defects and Cardioembolic Strokes

Atrial septal defects (ASDs) can be complicated by cardioembolic strokes, but the exact incidence is unknown. Patients with large and small shunts may present with a cardioembolic stroke. Patients with cryptogenic strokes should have cardiac ultrasound to see if an ASD is present. Cardioembolic stro...

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Bibliographic Details
Published in:Cardiology clinics Vol. 34; no. 2; pp. 225 - 230
Main Authors: Leppert, Michelle, MD, MBA, Poisson, Sharon N., MD, Carroll, John D., MD
Format: Journal Article
Language:English
Published: Netherlands Elsevier Inc 01-05-2016
Subjects:
Atrial fibrillation
Atrial septal defect
Cardiovascular
Global Health
Heart Septal Defects, Atrial - complications
Heart Septal Defects, Atrial - epidemiology
Humans
Incidence
Paradoxic embolism
Risk Factors
Shunt
Stroke
Stroke - epidemiology
Stroke - etiology
Paradoxic embolism
Atrial septal defect
Stroke
Shunt
Atrial fibrillation
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Description
Summary:Atrial septal defects (ASDs) can be complicated by cardioembolic strokes, but the exact incidence is unknown. Patients with large and small shunts may present with a cardioembolic stroke. Patients with cryptogenic strokes should have cardiac ultrasound to see if an ASD is present. Cardioembolic strokes associated with ASD principally occur with 2 mechanisms. The first is paradoxic embolism involving a venous-based source of thrombus, which may subsequently pass through the ASD by right-to-left shunting, causing a cardioembolic stroke. The second is atrial fibrillation that can complicate the course of patients with ASDs, especially as they age.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-3
content type line 23
ObjectType-Review-1
ISSN:0733-8651
1558-2264
DOI:10.1016/j.ccl.2015.12.004