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A Comparative Study on Carotid Artery with Duplex and DSA

Pamela Royle

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Abstract

One hundred carotid arteries were investigated with both Duplex and DSA. The accuracy of Duplex was acceptable. Systolic peak frequency and the appearance of spectral broadening were used to analyse the Doppler spectrum. The sensitivity and specificity were satisfactory to identify internal carotid stenosis particularly critical stenosis. The results show that duplex scanning is a reliable noninvasive examination method for internal carotid stenosis.

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What this paper is about

One hundred carotid arteries were investigated with both Duplex and DSA. The accuracy of Duplex was acceptable. Systolic peak frequency and the appearance of spectral broadening were used to analyse the Doppler spectrum. The sensitivity and specificity were satisfactory to identify internal carotid stenosis particularly critical stenosis. The results show that duplex scanning is a reliable noninvasive examination method for internal carotid stenosis.

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Available abstract

One hundred carotid arteries were investigated with both Duplex and DSA. The accuracy of Duplex was acceptable. Systolic peak frequency and the appearance of spectral broadening were used to analyse the Doppler spectrum. The sensitivity and specificity were satisfactory to identify internal carotid stenosis particularly critical stenosis. The results show that duplex scanning is a reliable noninvasive examination method for internal carotid stenosis.

Key concepts: Medicine, Duplex (building), Duplex scanning, Stenosis, Carotid arteries, Radiology, Internal carotid artery, Duplex ultrasonography

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