Why the study?
Do continuous-wave and range-gated pulsed Doppler power frequency spectrum analyses accurately detect carotid arterial occlusive disease compared to angiography?
Population
130 carotid arterial bifurcations evaluated with continuous-wave Doppler and 81 carotid arteries evaluated…
Comparison
Continuous-wave Doppler and range-gated pulsed… vs Angiographic findings (reference standard)
Design
Cross-sectional
Authors
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Supports high accuracy of both Doppler methods for carotid stenosis; leaves open prospective validation before changing practice.
Do continuous-wave and range-gated pulsed Doppler power frequency spectrum analyses accurately detect carotid arterial occlusive disease compared to angiography?
Both continuous-wave and range-gated pulsed Doppler systems provide highly accurate and comparable results for detecting significant carotid artery stenosis.
Harward et al. (1986) studied this question.
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