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Measurement & Analysis of the Temporal Discrimination Threshold Applied to Cervical Dystonia
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The relationship between dizziness and cervical artery stenosis.
Hongxi Chen1, Ziyan Shi, Huiru Feng
1Department of Neurology, West China Hospital of Sichuan University, Chengdu, China.
Neuroreport
|October 30, 2015
Summary
Dizziness is linked to a nearly doubled risk of vertebrobasilar artery stenosis. However, dizziness did not significantly predict carotid artery stenosis in this study.
Area of Science:
- Neurology
- Vascular Medicine
- Diagnostic Imaging
Background:
- Dizziness is a frequent neurological complaint.
- Cervical artery stenosis is a potential cause of neurological symptoms.
- Computed tomographic angiography (CTA) is a key diagnostic tool.
Purpose of the Study:
- To investigate the association between dizziness and cervical artery stenosis.
- To differentiate the risk of stenosis in vertebrobasilar versus carotid arteries.
Main Methods:
- Prospective cohort study of 5796 hospitalized patients aged 20-80.
- Propensity-score matching created matched dizziness and non-dizziness groups (1139 each).
- Cervical computed tomographic angiography (cCTA) assessed cervical artery stenosis.
Main Results:
- Patients with dizziness had a significantly higher proportion of vertebrobasilar artery stenosis (13.3% vs. 7.6%).
- Dizziness was associated with nearly double the risk of vertebrobasilar artery stenosis (P<0.01).
- Dizziness did not significantly predict carotid artery stenosis (P>0.01).
Conclusions:
- Dizziness is a significant risk factor for vertebrobasilar artery stenosis.
- The association between dizziness and cervical artery stenosis is artery-specific.
- Further investigation into dizziness as a symptom of vertebrobasilar disease is warranted.
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