Why the study?
Does transcranial Doppler accurately identify vasospasm or stenosis in intracranial arteries compared to clinical and angiographic evidence?
Population
32 normal subjects and 11 patients with cerebrovascular diseases
Comparison
Transcranial Doppler using a 2 MHz probe vs Clinical and angiographic evidence
Design
Cross-sectional
Authors
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May support noninvasive TCD for MCA vasospasm detection; leaves open prospective accuracy validation.
Does transcranial Doppler accurately identify vasospasm or stenosis in intracranial arteries compared to clinical and angiographic evidence?
Transcranial Doppler is a viable noninvasive tool for identifying middle cerebral artery vasospasm or stenosis and evaluating collateral flow in extracranial carotid artery stenosis.
Wechsler et al. (1986) studied this question.
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