Key result
Ultrasound measurements of carotid stenosis showed considerable intersonographer and intermethod variability, with limits of agreement varying between +/-19.7 and 26.5%.
Why the study?
What is the intersonographer reproducibility and intermethod variability of ultrasound measurements of carotid artery stenosis in patients with stenotic carotid arteries?
Population
n=51 participants with stenotic carotid arteries selected from a population health survey (The Tromsø Study)
Comparison
Ultrasound measurements of carotid plaque… vs Intersonographer comparison and intermethod…
Design
Cross-sectional
Authors
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Caution is warranted when relying on carotid ultrasound stenosis measurements for decisions; leaves open the need for standardized protocols in future studies.
Cross-Sectional (n=51)
What is the intersonographer reproducibility and intermethod variability of ultrasound measurements of carotid artery stenosis in patients with stenotic carotid arteries?
Considerable intersonographer and intermethod variability exists in ultrasound measurements of carotid stenosis, particularly in low-grade stenosis, which could impact clinical decision-making.
Mathiesen et al. (2000) conducted a cross-sectional in Stenotic carotid arteries (n=51). Ultrasound measurements of carotid stenosis vs. Different sonographers and ultrasound methods (velocity, diameter, cross-sectional area) was evaluated on Intersonographer agreement on ultrasound measurements of carotid plaque morphology and estimated degree of stenosis. Ultrasound measurements of carotid stenosis showed considerable intersonographer and intermethod variability, with limits of agreement varying between +/-19.7 and 26.5%.
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