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Published on: December 10, 2020
Current optimal assessment and management of carotid and vertebral spontaneous and traumatic dissection
11Westmead Hospital, University of Sydney, Sydney, New South Wales, Australia.
Insights
Arterial dissection, a cause of stroke in young adults, involves tears or hematomas in the carotid or vertebral arteries. Diagnosis and management are crucial for variable prognoses, ranging from asymptomatic cases to severe neurological deficits.
Area of Science:
- Vascular Neurology
- Cerebrovascular Diseases
- Arterial Dissection
Background:
- Arterial dissection of the internal carotid or vertebral artery is a significant cause of stroke in young patients.
- This condition is disproportionately represented in younger age groups compared to older populations.
- Dissections can result from trauma or occur spontaneously due to inherent arterial weakness or predisposing factors.
Purpose of the Study:
- To review the causes, diagnosis, management, and prognosis of arterial dissection in young stroke patients.
- To highlight the importance of increased awareness for timely diagnosis.
- To discuss the spectrum of clinical presentations and outcomes.
Main Methods:
- Literature review of studies on internal carotid and vertebral artery dissection.
- Analysis of diagnostic modalities including advanced imaging techniques.
- Overview of current and emerging treatment strategies.
Main Results:
- Dissections manifest as intimal tears, intramural hematomas, or dissection aneurysms.
- Clinical diagnosis can be challenging, necessitating advanced imaging like CT and MRI.
- Management encompasses antiplatelet therapy, anticoagulation, thrombolysis, and surgical or endovascular interventions.
Conclusions:
- Arterial dissection is a critical cause of stroke in the young, requiring heightened clinical suspicion.
- Modern imaging significantly aids in diagnosis, enabling appropriate management.
- Prognosis varies widely, with potential for significant morbidity and mortality.
Abstract:
Dissection of the internal carotid or vertebral artery has been recognized as a cause of stroke in young patients. It is disproportionate in its representation as a cause of stroke in this age group. Intimal tears, intramural hematomas, and dissection aneurysms may be the result of trauma or may occur spontaneously. Spontaneous dissection may be the result of inherent arterial weakness or in association with other predisposing factors. Clinical diagnosis is often difficult, but increased awareness and a range of modern investigations such as computerized tomography or magnetic resonance imaging may aid in diagnosis. Management options include antiplatelet therapy, anticoagulation, thrombolysis, and surgical or endovascular procedures. Prognosis is variable, and dissection may be asymptomatic but may lead to profound neurological deficit and death.
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