Key result
Peak Doppler frequency categorized carotid stenosis severity into four ranges, with frequencies >12 KHz almost invariably indicating >90% decrease in lumen area.
Why the study?
Does peak Doppler frequency correlate with the severity of lumen narrowing in cervical carotid stenosis?
Population
75 cervical carotid stenoses
Design
Cross-sectional
Authors
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Peak Doppler frequency provides a useful quantitative evaluation of carotid stenosis severity, categorizing lesions into four ranges of lumen narrowing.
Observational (n=75)
Does peak Doppler frequency correlate with the severity of lumen narrowing in cervical carotid stenosis?
Peak Doppler frequency provides a useful quantitative evaluation of carotid stenosis severity, categorizing lesions into four ranges of lumen narrowing.
Zwiebel et al. (1982) conducted an observational in Cervical carotid stenosis (n=75). Peak Doppler-shifted frequency vs. Degree of lumen narrowing was evaluated on Correlation of peak Doppler frequency with degree of lumen narrowing. Peak Doppler frequency categorized carotid stenosis severity into four ranges, with frequencies >12 KHz almost invariably indicating >90% decrease in lumen area.
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