August 1, 1993Radiology
Sonographic evaluation of carotid artery atherosclerosis in the elderly: relationship of disease severity to stroke and transient ischemic attack.
Why the study?
Do sonographic measures of carotid artery atherosclerosis correlate with prevalent stroke and TIA in adults aged 65 years or older?
Population
5,201 subjects aged 65 years or older
Design
Cross-sectional
Authors
Discussion
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Implication
Should not yet change practice; hypothesis-generating for wall thickness as predictor, requiring prospective validation.
Structured PICO
Do sonographic measures of carotid artery atherosclerosis correlate with prevalent stroke and TIA in adults aged 65 years or older?
P
Population
5,201 subjects aged 65 years or older
I
Intervention
Doppler and real-time ultrasound (US) evaluation of carotid artery atherosclerosis
O
Outcome
Prevalent stroke and transient ischemic attack (TIA)hard clinical
In elderly subjects, the average maximal wall thickness of the internal carotid artery on real-time ultrasound is the best sonographic predictor of prevalent stroke and TIA.
Cite This Study
Polak et al. (1993) studied this question.