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Published on: July 21, 2013
Vertebral Artery Dissection: A Case Report and Review of the Literature
Oana-Andreea Dogariu1,2, Ioan Dogariu2, Mihaela Berceanu3
1PhD Student, Department of Radiology, University of Medicine and Pharmacy Craiova, Romania.
Insights
Cervical arterial dissection, a cause of stroke in young adults, involves blood breaching the artery wall. Diagnosis relies on advanced imaging like MRI or CT angiography, though treatment remains debated.
Area of Science:
- Neurology
- Vascular Medicine
- Radiology
Background:
- Cervical arterial dissection involves blood entering the artery wall, often affecting internal carotid and vertebral arteries.
- It is a significant cause of acute ischemic stroke, particularly in younger individuals and those with head trauma.
- Spontaneous dissections are linked to genetic conditions, notably fibromuscular dysplasia.
Observation:
- Dissections frequently occur in the extracranial segments of the internal carotid and vertebral arteries.
- The condition is associated with both spontaneous events and traumatic injuries.
- Fibromuscular dysplasia is a key genetic condition associated with arterial dissection.
Findings:
- Magnetic resonance imaging (MRI) with T1 fat-saturation (T1 FS) and computed tomography angiography (CTA) demonstrate high diagnostic accuracy.
- These advanced imaging techniques offer excellent sensitivity and specificity for identifying cervical artery dissections.
- Diagnosis is crucial for understanding stroke etiology in affected populations.
Implications:
- Accurate diagnosis via MRI or CTA is essential for managing patients with cervical artery dissection.
- Understanding the underlying causes, including genetic factors and trauma, informs clinical approaches.
- Further research is needed to clarify optimal therapeutic strategies for stroke prevention and management in these cases.
Abstract:
Arterial dissection is the result of blood entering along the intima-media plane through a breach produced either spontaneously or traumatically. Cervical arterial dissections are an important cause of acute ischemic stroke in children, young adults, and patients with cranio-cervical traumatic injuries. Arterial dissections occur either spontaneously, in genetic diseases, the most important association being with fibromuscular dysplasia. In most of the cases dissection involve the extracranial portions of the internal carotid and vertebral arteries. Magnetic resonance with T1 fat-saturation (T1 FS) sequence of the cervical region or computed tomography (CT) with computed tomography angiography (CTA) shows a very high sensitivity and specificity in the diagnosis of cervical artery dissections. Therapeutic options are still debatable in patients with acute ischemic stroke and vertebral or carotid artery dissection.
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