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Doppler ultrasound screening for arterial disease in elderly stroke patients

T S Padayachee, R G Gosling, K L Nandi

    Age and Ageing
    |May 1, 1984
    PubMed

    Insights

    This study found severe carotid artery disease in elderly stroke patients, with some cases showing complete internal carotid artery occlusion. Reduced aortic compliance was also noted in stroke patients compared to healthy volunteers.

    Area of Science:

    • Vascular Medicine
    • Neurology
    • Diagnostic Imaging

    Background:

    • Stroke is a leading cause of disability in the elderly.
    • Carotid artery disease is a significant risk factor for ischemic stroke.
    • Non-invasive imaging techniques are crucial for assessing cerebrovascular health.

    Purpose of the Study:

    • To evaluate the prevalence and severity of carotid artery disease in elderly stroke patients using Doppler-shifted ultrasound.
    • To investigate potential correlations between carotid artery disease, lower limb arterial disease, and aortic compliance in stroke patients.
    • To assess the impact of stroke on peripheral vascular tone.

    Main Methods:

    • Doppler-shifted ultrasound and spectral analysis were employed to examine 154 carotid bifurcations in 77 elderly stroke patients.
    • Ankle/arm systolic pressure ratios were measured to assess lower limb arterial disease in 43 patients.
    • Aortic compliance was measured in stroke patients and compared to asymptomatic volunteers.

    Main Results:

    • Severe carotid artery disease was identified in 19% of carotid bifurcations, with 8% showing complete internal carotid artery occlusion.
    • The majority of severe carotid disease cases were associated with the stroke-affected internal carotid artery.
    • Elderly stroke patients exhibited significantly lower aortic compliance compared to asymptomatic controls, but no clear relationship was found between carotid disease severity and lower limb arterial disease.

    Conclusions:

    • Doppler ultrasound effectively detects significant carotid artery disease in elderly stroke patients.
    • Reduced aortic compliance may be a contributing factor or consequence of stroke in the elderly.
    • Further research is needed to understand the complex interplay of vascular factors in stroke etiology.

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