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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Cognitive dysfunction in isolated brainstem stroke: A neuropsychological and SPECT study
Journal of Stroke and Cerebrovascular Diseases, Volume 7, No. 1, Year 1998
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Description
In a prospective series of patients with brainstem stroke (n=73) of the Durban Stroke Data Bank (n=752), five patients with first-ever, isolated brainstem stroke were studied neuropsychologically and with single-photon-emission computed tomographic (SPECT) scanning. Magnetic resonance brain scanning showed four pontine infarcts and one midbrain infarct without accompanying diencephalic or cerebral convexity lesions. Frontal (n=5) and parietal (n=5) hypoperfusion was detected by SPECT scanning and comparison in terms of mean counts made to five age-matched controls with a significant P value of .01 and .02, respectively. Neuro-psychological testing showed a frontal system syndrome in all five patients and parietal lobe signs in two. Excellent medical recovery ensued in four of the five patients and a moderately good recovery in one as judged by the Canadian Neurological Scale, Barthel Index, and Rankin Scale. The three relatively young patients in this series were unable to resume their former employment. This was attributed to a significant frontal system syndrome. Brainstem stroke may cause significant cognitive impairment best delineated by formal neuropsychological evaluation, and SPECT scanning may be more sensitive than structural neuroimaging techniques in this setting. © 1998 National Stroke Association. All rights reserved.
Authors & Co-Authors
Hoffmann, Michael
South Africa, Durban
University of Kwazulu-natal
South Africa, Durban
Entabeni Hospital
Watts, Ann D.
South Africa, Durban
University of Kwazulu-natal
South Africa, Durban
Entabeni Hospital
Statistics
Citations: 22
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1016/S1052-3057(98)80018-9
ISSN:
10523057
Research Areas
Environmental
Noncommunicable Diseases
Study Design
Cohort Study