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Published on: August 18, 2015
Causes of ischaemic stroke in the young
P J Martin1, T P Enevoldson, P R Humphrey
1Department of Neurology, Walton Centre for Neurology and Neurosurgery, Liverpool, UK.
Insights
Identifying the causes of ischaemic stroke in young adults requires extensive investigation. Many underlying causes are treatable, emphasizing the need for comprehensive diagnostic approaches in young stroke patients.
Area of Science:
- Neurology
- Vascular Medicine
Background:
- Ischaemic stroke in young adults presents unique diagnostic challenges compared to older populations.
- Identifying treatable underlying causes is crucial for effective management and secondary prevention.
Observation:
- Young stroke patients necessitate thorough investigations to determine the aetiology.
- Common causes include arterial dissection, cardioembolism, premature atherosclerosis, and hematological/immunological disorders.
- Emerging factors like drug abuse and unclear risks during pregnancy warrant attention.
Findings:
- Extracranial arterial dissection, cardioembolism, premature atherosclerosis, hematological/immunological disorders, and migraine are principal causes.
- Genetic disorders and central nervous system angiitis are less common but significant contributors.
- The risk of recurrent stroke is low when no definitive cause is identified after comprehensive workup.
Implications:
- Early and comprehensive investigation can lead to the identification of treatable conditions in young adults with ischaemic stroke.
- Specialist management is recommended for optimal outcomes in this patient group.
- Understanding diverse aetiologies aids in tailoring preventative strategies and improving patient prognosis.
Abstract:
The causes of ischaemic stroke in young adults are many and diverse. Such patients usually require more extensive investigations in order to find an underlying cause than more elderly patients. It is important that a comprehensive search is made since many of the underlying disorders are treatable. Principal causes are extracranial arterial dissection, cardioembolism, premature atherosclerosis, haematological and immunological disorders and migraine. Drug abuse is becoming increasingly important but the risk of stroke in pregnancy remains unclear. Isolated angiitis of the central nervous system, heritable disorders of connective tissue and other genetically determined disorders (mitochondrial cytopathies, CA-DASIL) account for a small proportion of ischaemic strokes in the young. Management is probably best undertaken by a physician with a specialist interest and, if full investigation fails to elucidate a definite cause, the risk of future stoke is low.
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