A review of carotid atherosclerosis and vascular cognitive decline: a new understanding of the keys to symptomology.

Neurosurgery
Robert J DempseyBruce Hermann

Abstract

This review encourages the reader to consider cerebral vascular disease beyond the traditional clinical end points of major motor and speech strokes and to consider the possible impact of embolic cerebral vascular disease on vascular cognitive decline. This article examines the issue of "silent" strokes in the relationship between the structural stability of atherosclerotic carotid plaque and the development of nonmotor symptomatology, including cognitive decline. It addresses the question of the role of carotid emboli in silent stroke and their cognitive sequelae. In a study of endarterectomy patients, we relate plaque elasticity and its development of mechanical strain features and thinning of stabilizing fibrous cap at the point of these mechanical strain features. The possibility that microemboli from such mechanically unstable carotid plaques could contribute to silent strokes led to a study of cognitive function in such patients. A linear relationship between the process of mechanically unstable areas of carotid plaques and cognitive decline suggests a contributory role for such a process in silent strokes.

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Aug 21, 2013·Neurochemistry International·Raghu Vemuganti
Sep 29, 2011·Cognitive and Behavioral Neurology : Official Journal of the Society for Behavioral and Cognitive Neurology·Irena Martinic PopovicVida Demarin
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Jun 12, 2021·Frontiers in Aging Neuroscience·Yingzhe WangMei Cui

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