Key result
Age and SBP link to increased carotid IMT, though SBP only impacts patients under 60.
Why the study?
The risk factors related to carotid artery wall thickness measured by ultrasonography in patients without hypertension or hyperlipidemia treatment were not fully evaluated.
What are the risk factors related to carotid artery wall thickness assessed by ultrasonography in patients not receiving antihypertensive or lipid-lowering medications?
Population
159 patients without medication for hypertension or hyperlipidemia
Comparison
Risk factors related to carotid artery wall thickness including age, systolic blood pressure, and smoking
Design
Cross-sectional study using B-mode ultrasonography
Authors
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May not support systolic BP targeting for carotid thickness after age 60; leaves open need for age-specific prospective studies.
Cross-Sectional (n=159)
What are the risk factors related to carotid artery wall thickness assessed by ultrasonography in patients not receiving antihypertensive or lipid-lowering medications?
Effect estimate: r=0.623
Systolic blood pressure and age are significant risk factors for increased carotid intima-media thickness in patients under 60, while smoking is strongly associated with plaque formation.
Iiyama et al. (1994) conducted a cross-sectional in Carotid artery atherosclerosis (n=159). Age and systolic blood pressure was evaluated on Carotid artery intima-media (IM) thickness (r=0.623). Age and systolic blood pressure significantly contributed to carotid artery intima-media thickness (r=0.623), though systolic blood pressure was only a risk factor in patients under 60 years old.
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