Why the study?
Can a 14-channel pulsed Doppler ultrasound instrument accurately measure velocity profiles and blood flow in the common carotid artery of healthy individuals and patients with vascular or valvular disease?
Population
44 individuals, comprising 22 healthy persons and 22 patients.
Comparison
Evaluation of instantaneous velocity profiles… vs Healthy persons compared to patients with…
Design
Cross-sectional
Follow-up
10 days post-operation for aortic insufficiency patients
Authors
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May support noninvasive carotid flow assessment in AI and obstruction; hypothesis-generating and requires prospective validation.
Can a 14-channel pulsed Doppler ultrasound instrument accurately measure velocity profiles and blood flow in the common carotid artery of healthy individuals and patients with vascular or valvular disease?
Pulsed Doppler ultrasound provides a noninvasive and accurate method to evaluate carotid artery hemodynamics and detect pathological flow patterns in patients with carotid obstruction or aortic insufficiency.
Keller et al. (1976) studied this question.
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