Cervical-artery dissections: predisposing factors, diagnosis, and outcome
Stéphanie Debette1, Didier Leys
1Université Lille II (EA 2691), Department of Neurology, Stroke Department, F-59037 Lille, France.
Insights
Cervical-artery dissection (CAD) is a leading cause of stroke in young adults, often presenting with varied symptoms. Further research is crucial for understanding its causes, improving diagnosis, and developing effective prevention strategies.
Area of Science:
- Neurology
- Vascular Medicine
- Genetics
Background:
- Cervical-artery dissection (CAD) is a significant cause of ischemic stroke in young adults.
- Clinical presentations range from benign symptoms like headache to severe stroke or transient ischemic attack.
- Potential risk factors include trauma, infection, migraine, hyperhomocysteinemia, and MTHFR 677TT genotype, though evidence is limited.
Purpose of the Study:
- To highlight the importance of diagnostic accuracy in cervical-artery dissection research and management.
- To underscore the need for further investigation into the pathophysiology, long-term outcomes, and prevention of CAD.
- To emphasize that the incidence and recurrence rates of CAD may be underestimated.
Main Methods:
- This abstract is based on a review of existing literature on cervical-artery dissection.
- It synthesizes information regarding causes, symptoms, risk factors, and outcomes.
- Diagnostic accuracy and the need for further research are emphasized.
Main Results:
- Cervical-artery dissection is a major cause of stroke in young adults.
- While functional outcomes are often good, socioprofessional impacts can be significant.
- Mortality and short-term recurrence rates are low but potentially underestimated.
Conclusions:
- Improved understanding of CAD pathophysiology is needed.
- Accurate diagnosis is critical for research and clinical management.
- Further research is essential for developing effective treatment and prevention strategies.
Abstract:
Cervical-artery dissection (CAD) is a major cause of cerebral ischaemia in young adults and can lead to various clinical symptoms, some of which are benign (eg, headache, neck pain, Horner's syndrome, and cranial-nerve palsy), but most patients have a stroke or transient ischaemic attack. In addition to trauma to the neck, other risk factors have been suggested, such as infection, migraine, hyperhomocysteinaemia, and the 677TT genotype of the 5,10-methylenetetrahydrofolate reductase gene (MTHFR 677TT), although evidence is sparse. An underlying arteriopathy, which could in part be genetically determined, is believed to have a role in the development of CAD. Importantly, both research on and optimum management of CAD strongly rely on diagnostic accuracy. Although the functional outcome of CAD is good in most patients, socioprofessional effects can be important. Incidence of the disorder in the general population is underestimated. Mortality and short-term recurrence rates are low but possibly also underestimated. Further research is warranted to improve our understanding of the underlying pathophysiology, to assess the long-term outcome, and ultimately to provide treatment and prevention strategies.
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