Presented in part at the Fourth Joint Meeting on Stroke and Cerebral Circulation, Phoenix, Ariz, Feb 9, 1980.
Reprint requests to Department of Neurology, Boston University School of Medicine, 80 E Concord St, Boston, MA 02118 (Dr Wolf).
Carotid bruit was routinely sought in the Framingham cohort and during eight years appeared in 66 men and 105 women, all of whom were asymptomatic. The incidence increased with age equally in the two sexes from 3.5% at 44 to 54 years, to 7.0% at 65 to 79 years. The eight-year incidence was greater in diabetics and hypertensive subjects. Transient ischemic attacks appeared in eight (two alone) and stroke in 21 of the 171, a stroke rate more than twice expected for age and sex. More often than not, cerebral infarction occurred in a vascular territory different from that of the carotid bruit, often in the posterior circulation, and ruptured aneurysm, embolism from the heart, and lacunar infarction was the mechanism of stroke in nearly half the cases. Incidence of myocardial infarction was also increased twofold in those with asymptomatic carotid bruit. General mortality was also increased; 1.7-fold in men, and 1.9-fold in women, with 79% of the deaths owing to cardiovascular disease, including stroke. Carotid bruit is clearly an indicator of increased stroke risk but chiefly as a general and nonfocal sign of advanced atherosclerotic disease and not necessarily as an indicator of local arterial stenosis preceding cerebral infarction.
(JAMA 1981;245:1442-1445)
Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature
Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal
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