Heart disease and stroke
1Stroke Research Center, University of Cincinnati Medical Center, Ohio 45267-0525.
Insights
Heart disease causes 20-25% of cerebral infarction strokes. Prompt diagnosis and treatment, often with warfarin, are crucial for reducing early death and recurrent stroke risk in cardioembolic stroke patients.
Area of Science:
- Cardiology
- Neurology
- Vascular Medicine
Background:
- Heart disease is a significant cause of cerebral infarction, accounting for 20-25% of cases.
- Patients with cardioembolic stroke face a 14-fold increased risk of early mortality compared to recurrent stroke.
- Effective management requires a dual focus on cardiac mortality reduction and stroke prevention.
Purpose of the Study:
- To outline diagnostic and treatment strategies for patients with suspected cardioembolic stroke.
- To emphasize the importance of identifying cardiac sources of emboli in cerebral infarction.
- To guide clinical decision-making in managing cardioembolic stroke.
Main Methods:
- Diagnostic test selection guided by clinical suspicion of cardiac disease, patient age, and exclusion of other stroke etiologies.
- Therapeutic strategies focused on mitigating cardiac mortality and preventing stroke recurrence.
- Review of current treatment guidelines for cardioembolic stroke management.
Main Results:
- Cardioembolism represents a substantial proportion of ischemic stroke cases.
- The risk of early death is significantly elevated in patients with cardioembolic stroke.
- Warfarin is the primary anticoagulant therapy, with aspirin as a viable alternative.
Conclusions:
- Accurate diagnosis of cardioembolic stroke is critical for appropriate management.
- Timely and effective treatment can significantly improve outcomes and reduce mortality.
- Anticoagulant therapy, particularly warfarin, is the cornerstone of preventing recurrent events in cardioembolic stroke.
Abstract:
Heart disease is the probable source of emboli in 20% to 25% of cases of cerebral infarction. The risk of early death is 14 times greater than the risk of recurrent stroke in patients with cardioembolism: Selection of diagnostic tests should be based on the clinical evidence for cardiac disease, the patient's age, and the identification of other likely causes of stroke. Treatment should focus on decreasing mortality due to cardiac disease as well as preventing recurrent stroke. Warfarin is currently the first treatment of choice for most patients with presumed cardioembolism. Aspirin is an appropriate alternative if warfarin cannot be used.
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