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[Clinical variability and diagnostic controversies in CADASIL]
N García-Barragán1, M Fernández-Guarino, A Jiménez-Escrig
1Servicio de Neurología, Hospital Ramón y Cajal, Carretera de Colmenar, 28034 Madrid, Spain. ngarcia.hrc@salud.madrid.org
Revista Clinica Espanola
|May 4, 2007
Summary
Many stroke patients have cardiovascular risk factors, but some strokes stem from rare hereditary causes like CADASIL. Early genetic screening is crucial for diagnosing these uncommon stroke origins, especially in younger individuals.
Area of Science:
- Neurology
- Genetics
- Vascular Biology
Context:
- Cardiovascular risk factors are prevalent in stroke patients (85%).
- A significant minority (6%-15%) experience strokes due to uncommon causes like systemic diseases or coagulation disorders.
- Undiagnosed strokes, particularly in young individuals, necessitate investigation into hereditary etiologies.
Purpose:
- To highlight the importance of considering hereditary causes in stroke diagnosis.
- To discuss Cerebral Autosomal-Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) as a notable hereditary cause of stroke.
- To address the diagnostic challenges associated with CADASIL.
Summary:
- Cerebral Autosomal-Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) is an autosomal dominant inherited cerebrovascular disorder.
- It presents with diverse clinical manifestations, often leading to stroke.
- Diagnostic confirmation is complex, involving neuroimaging, tissue biopsy, and genetic testing.
Impact:
- Emphasizes the need for comprehensive diagnostic screening in stroke patients, particularly young individuals.
- Underscores CADASIL as an increasingly recognized cause of non-atherosclerotic stroke.
- Highlights the ongoing debate and challenges in definitively diagnosing CADASIL.
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