Advances on the relationship between carotid artery stenosis and cognitive impairment
In recent years,there has been a gradual increase in the incidence of carotid artery stenosis.The relationship between cognitive function and carotid artery stenosis has always been an area of interest.Numerous studies have demonstrated that symptomatic carotid stenosis(SCS)leads to cognitive impairment.However,the impact of asymptomatic carotid stenosis(ACS)on cognitive function and its extent are still inconclusively determined.Possible mechanisms include cerebral hypoperfusion,cerebral microembolism,and cerebral white matter hyperintensities.Definitive evidence regarding whether carotid revascularization can improve cognitive impairment caused by carotid artery stenosis is still lacking.Early detection and proactive intervention before the onset of significant symptoms in patients with carotid artery stenosis can prevent cognitive decline,thereby benefiting patient prognosis.Based on an extensive review of domestic and foreign literature sources,this article reviews the association between carotid artery stenosis and cognitive function as well as its pathogenesis and explores the impact of ACS on cognitive function along with potential improvements through carotid revascularization.
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