Background and Purpose The aim of this study was to assess the prevalence of extracranial carotid artery atherosclerosis and its relation to principal cardiovascular risk factors at different ages in a sample of the general population.Methods B-mode ultrasonography was used to investigate the carotid district in 457 subjects (231 men and 226 women; mean age, 55.4±18.7 years; range, 18 to 97 years) in the metropolitan area. The ultrasonographic findings were then related to risk factors.Results Carotid plaques were found in 178 subjects (38.9%). The prevalence of atherosclerosis, number of plaques, and severity of stenosis were observed to increase with age. Age (P<.0Q01), cigarette smoking (P<.0001), male sex (P<.001), total cholesterol (P<.05), and, inversely, the ratio of high-density lipoprotein cholesterol to total cholesterol (P<.05) were found to be independently associated with

Patients undergoing CE for symptomatic LICA disease appear to be at greater risk of cognitive decline than other subjects. These findings suggest that future studies should evaluate the effects on cognitive function of different timing for CE in patients with LICA and RICA disease.

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The results obtained show that sevoflurane has a hypotensive effect without modifying CBF, while propofol, although having a similar effect on BP to sevoflurane, has less of a protective effect on inner ear microcirculation.