Cognitive Functions in Patients after Carotid Artery Revascularization-A Narrative Review

Magdalena Piegza, Gniewko Więckiewicz, Dawid Wierzba, Jacek Piegza, Magdalena Piegza, Gniewko Więckiewicz, Dawid Wierzba, Jacek Piegza

Abstract

Carotid revascularization may lead to improved cognitive function beyond stroke prevention. This article summarizes the conclusions from available studies on the effects of carotid reperfusion procedures on cognitive function. The papers cited used different neuropsychological tests for cognitive assessment, resulting in different methodologies and the results obtained were not always convergent. However, most studies reported an improvement in neurocognitive abilities after both vascular interventions, but a more precise assessment of the specific benefits is still awaited. Clinical determinants to predict the effects of these treatments on cognitive function are still being sought, but results are not yet satisfactory. In view of these studies, carotid stenosis seems to be an independent risk factor for cognitive deterioration, and the main mechanisms responsible are embolism and cerebral hypoperfusion. The aim of this study is to order the knowledge about the effects of carotid artery stenting (CAS) and endarterectomy (CEA) on neurocognitive functions and to verify the usefulness of using these treatments.

Keywords: carotid artery stenting; carotid endarterectomy; cognitive functions.

Conflict of interest statement

The authors declare no conflict of interest.

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