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Narrowed carotid artery also a risk for slow thinking, not just stroke (991 hits)

(April 21, 2014) When oxygenated blood needs to squeeze through a narrowed space to get to the brain -- a condition called asymptomatic carotid stenosis -- mental performance may suffer, even in the absence of stroke, a new study suggests. In patients with diabetes, high blood pressure, cardiovascular disease and worrisome cholesterol readings, physicians may test for buildup of plaque in the carotid artery, peering into the vessel at the nape of the neck with ultrasound. As plaque either builds up or breaks off and lodges deeper into the brain's vasculature, it can cause a stroke, a major cause of death and disability.

But research to be presented next week at the American Academy of Neurology's 66th annual meeting suggests that well before stroke occurs, patients found to have carotid stenosis may already suffer ill effects from carotid artery narrowing. A study compared the learning and memory skills of 67 subjects with 50% reduction in the diameter of the carotid artery to 60 subjects with normal blood flow through the carotid vessel. On tests that captured overall thinking skills and memory, those with carotid artery stenosis fared much more poorly than did those without.

Read more: http://www.latimes.com/science/sciencenow/la-sci-sn-carotid-narrowing-cognitive-20140421,0,6927253.story?track=rss


Posted By: Jen Fad
Thursday, April 24th 2014 at 8:50AM
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..."In more specific tests of mental performance, the latest research found that mental processing speed and motor response were, on average, significantly worse in those with narrowed carotid arteries. Language scores did not differ between the two groups."...


Thursday, April 24th 2014 at 8:51AM
Jen Fad

great article
Thursday, April 24th 2014 at 6:43PM
powell robert
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