Key result
MRI flow mapping accurately measured maximum blood flow velocity in the common carotid artery, demonstrating a significant correlation with conventional ultrasonic Doppler (r=0.69, p<0.001).
Why the study?
Does MRI flow mapping accurately measure blood flow velocity in the common carotid artery compared to ultrasonic Doppler in patients without cardiovascular risk factors?
Population
58 patients aged 19-74 years without cerebrovascular disorders, essential hypertension, diabetes mellitus…
Comparison
MRI flow mapping vs Ultrasonic quantitative flow measurement system
Design
Cross-sectional
Authors
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Supports MRI carotid velocity assessment in low-risk adults; leaves open validation in patients with vascular disease.
Cross-Sectional (n=58)
No
Does MRI flow mapping accurately measure blood flow velocity in the common carotid artery compared to ultrasonic Doppler in patients without cardiovascular risk factors?
Effect estimate: r=0.69
Absolute Event Rate: 56.8% vs 55.2%
p-value: p=<0.001
MRI flow mapping provides maximum blood flow velocity measurements in the common carotid artery that are in good agreement with conventional ultrasonic Doppler.
Nomura et al. (1999) conducted a cross-sectional in Healthy subjects (n=58). MRI flow mapping vs. Ultrasonic quantitative flow measurement system (QFM) was evaluated on Maximum blood flow velocity in the common carotid artery (r=0.69, p=<0.001). MRI flow mapping accurately measured maximum blood flow velocity in the common carotid artery, demonstrating a significant correlation with conventional ultrasonic Doppler (r=0.69, p<0.001).
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