Key result
Sound spectral analysis of cervical bruits identified high-grade arterial stenosis with a sensitivity approaching 90% based on high peak frequencies or prolonged signal durations.
Why the study?
Does sound spectral analysis of cervical bruits correlate with Doppler-derived severity of carotid arterial disease in patients with detected cervical bruits?
Observational (n=96)
Does sound spectral analysis of cervical bruits correlate with Doppler-derived severity of carotid arterial disease in patients with detected cervical bruits?
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Sound spectral analysis of cervical bruits using a portable device provides an objective, inexpensive method to quantify bruit characteristics that correlate significantly with the severity of underlying carotid arterial obstruction.
Tavel et al. (2006) conducted an observational in Carotid arterial disease (n=96). Sound spectral analysis of cervical bruits vs. Doppler-derived velocities was evaluated on Correlation of peak sound frequencies and durations of sound persistence with Doppler velocities. Sound spectral analysis of cervical bruits identified high-grade arterial stenosis with a sensitivity approaching 90% based on high peak frequencies or prolonged signal durations.
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