Key result
Hemodynamic metrics, such as lower time-averaged wall shear stress in 30-55% stenosis (OR 0.078; 95% CI 0.012-0.492), predict carotid stenosis progression depending on baseline degree of stenosis.
Why the study?
Predicting carotid atherosclerosis and stenosis progression by known risk factors alone is difficult, partly because the hemodynamic environments that promote stenosis progression remain unclear.
What are the specific hemodynamic environments that predict the progression of carotid stenosis?
Population
361 stenotic arteries in 313 patients (from 545 enrolled)
Comparison
Presence vs absence of stenosis progression
Design
Prospective observational study
Authors
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Hemodynamic metrics may refine carotid stenosis progression risk beyond traditional factors; leaves open whether they improve outcomes in prospective trials.
Observational (n=545)
What are the specific hemodynamic environments that predict the progression of carotid stenosis?
Odds Ratio: 0.078 (95% CI 0.012–0.492)
p-value: p=0.0067
Specific hemodynamic metrics, such as wall shear stress and oscillatory shear index, vary by stenosis severity and can predict the progression of carotid stenosis.
Fukuda et al. (2025) conducted an observational in Carotid stenosis (n=545). Hemodynamic metrics (e.g., wall shear stress, oscillatory shear index) vs. Absence of stenosis progression was evaluated on Carotid stenosis progression (OR 0.078, 95% CI 0.012-0.492, p=0.0067). Hemodynamic metrics, such as lower time-averaged wall shear stress in 30-55% stenosis (OR 0.078; 95% CI 0.012-0.492), predict carotid stenosis progression depending on baseline degree of stenosis.
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