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Stroke prevention: cardiac and carotid-related stroke
1Cerebrovascular Fellow, Department of Neurology, University of Texas, Houston, TX 77030, USA. twein@umich.edu
Insights
This article reviews cardiac causes of stroke, including atrial fibrillation and heart valve issues, and discusses managing carotid artery stenosis. It covers medical treatments and surgical options like carotid endarterectomy for stroke prevention.
Area of Science:
- Cardiology
- Neurology
- Vascular Surgery
Background:
- Cardiovascular diseases are a leading cause of stroke.
- Cerebral ischemia can result from both cardiac emboli and carotid artery disease.
- Accurate risk stratification and timely intervention are crucial for stroke prevention.
Purpose of the Study:
- To comprehensively review cardiac sources of stroke.
- To outline the management strategies for symptomatic and asymptomatic carotid stenosis.
- To discuss indications for medical and surgical interventions in stroke prevention.
Main Methods:
- Literature review of cardiac conditions associated with cardioembolic stroke.
- Analysis of current guidelines for managing carotid artery stenosis.
- Synthesis of evidence regarding medical management and revascularization procedures.
Main Results:
- Identified numerous cardiac conditions (e.g., atrial fibrillation, valvular heart disease, left ventricular thrombus) as significant stroke risks.
- Detailed optimal medical management for these cardiac conditions.
- Outlined indications for carotid endarterectomy, angioplasty, and stenting based on stenosis severity and patient factors.
Conclusions:
- Effective management of cardiac sources of stroke is essential.
- Carotid revascularization decisions should be individualized based on stenosis and risk factors.
- Integrated management of cardiac and cerebrovascular disease improves stroke outcomes.
Abstract:
The aim of this article is to discuss cardiac sources of stroke as well as the management of symptomatic and asymptomatic carotid stenosis. The authors detail the risks of cardioembolic stroke in the following conditions: aortic arch atheroma, atrial fibrillation, atrial myxoma, atrial septal aneurysm, dilated cardiomyopathy, infective endocarditis, left ventricular thrombus, mitral annular calcification, mitral valve prolapse, patent foramen ovale, prosthetic heart valves, valvular strands, and the optimal medical management for these conditions. The indications for carotid endarterectomy, angioplasty, and stenting are also outlined.