Stroke, Vol 20, 1327-1330, Copyright © 1989 by American Heart Association
G Jungquist, B Nilsson, H Ostberg, SO Isacsson, L Janzon, B Steen and SE Lindell
A population-based sample of 478 men aged 69 years living in Malmo, Sweden,
underwent Doppler ultrasonic examination of their carotid arteries;
cerebrovascular symptoms and signs were recorded independently. Among 471
men with complete examinations, 117 (25%) showed significant abnormalities
in carotid blood flow velocity (moderate stenoses [30-60% diameter
reduction] in 20%, severe stenosis [greater than or equal to 60% reduction]
or occlusion in 5%). The latter seemingly formed a group separate from the
main distribution curve. Stroke was reported in 28 men (6%), during the
year before examination in nine (2%). Carotid transient ischemic attack
(TIA) was clinically confirmed in one man during this year, while
unconfirmed symptoms were reported in 63 (13%). There was a relation
between ipsilateral hemispheric stroke/TIA and severe carotid disease (p
less than 0.001). Four of seven men with total occlusion had a stroke or a
clinically confirmed TIA. Nevertheless, the majority of carotid stenoses
(including severe stenoses) were asymptomatic. Cerebrovascular symptoms
were not significantly more frequent among the men having moderate stenosis
than among those having healthy arteries.
ARTICLES
Carotid artery blood flow velocity related to transient ischemic attack and stroke in a population study of 69-year-old men
Department of Clinical Physiology, Lund University, Malmo General Hospital, Sweden.
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  M. Ogren, B. Hedblad, S.-O. Isacsson, L. Janzon, G. Jungquist, and S.-E. Lindell Ten year cerebrovascular morbidity and mortality in 68 year old men with asymptomatic carotid stenosis BMJ, May 20, 1995; 310(6990): 1294 - 1298. [Abstract] [Full Text]
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