Left or right carotid endarterectomy in patients with atherosclerotic disease: Ipsilateral effects on cognition?

We evaluated hemispheric functions ipsilateral to the side of carotid endarterectomy (CEA) in patients with a severe stenosis in the left or right carotid artery. Assessments took place 1 day before and 3 months after CEA. Only right-handed males were included. Nineteen patients underwent surgery of...

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Bibliographic Details
Published in:Brain and cognition 2004-03, Vol.54 (2), p.117-123
Main Authors: Brand, N, Bossema, E.R, Ommen, M.van, Moll, F.L, Ackerstaff, R.G.A
Format: Article
Language:English
Subjects:
Adult and adolescent clinical studies
Aged
Atherosclerosis
Biological and medical sciences
Brain - blood supply
Brain - surgery
Brain Hemisphere Functions
Carotid endarterectomy
Carotid Stenosis - surgery
Cognition
Cognition Disorders - diagnosis
Cognitive Processes
Dichotic listening
Dichotic Listening Tests
Diseases
Endarterectomy, Carotid - methods
Finger tapping
Follow-Up Studies
Functional Laterality
Hemispheric functional asymmetry
Humans
Intracranial Arteriosclerosis - surgery
Male
Males
Medical sciences
Middle Aged
Neuropsychological Tests
Organic mental disorders. Neuropsychology
Patients
Postoperative Care
Preoperative Care
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Severity of Illness Index
Stenosis
Surgery
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Summary:We evaluated hemispheric functions ipsilateral to the side of carotid endarterectomy (CEA) in patients with a severe stenosis in the left or right carotid artery. Assessments took place 1 day before and 3 months after CEA. Only right-handed males were included. Nineteen patients underwent surgery of the left carotid artery and 17 of the right. Valid instruments for hemispheric function were included, such as verbal dichotic listening, finger tapping, and a lateralised test for motor planning. Results showed that, preoperatively, patients had lower scores compared to norms on the laterality tests, and on a visuoconstructive test. There was no evidence of ipsilateral improvement related to side of surgery. Left ear dichotic listening improved, which was seen in both left and right surgery groups. Also in both groups, left- and right-hand movement speed in the motor planning test decreased. Conclusion is that beneficial ipsilateral cognitive change after CEA in patients with severe stenosis in one of the carotid arteries may not be demonstrated, even if valid instruments for hemispheric function are included.
ISSN:0278-2626
1090-2147
DOI:10.1016/j.bandc.2003.12.001