Document Detail

Correlation between focal brain metabolism and higher brain function in patients with Moyamoya disease.
MedLine Citation:
PMID:  20854619     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Moyamoya disease is one of the causes of higher brain dysfunction in younger patients. Fortunately, it may be possible to protect younger Moyamoya disease patients from brain dysfunction via surgical manoeuvres.
AIM: Our group retrospectively analysed the correlation between preoperative positron emission tomography data and the intelligence quotient scores of 60 Japanese Moyamoya disease patients (age range 9-64).
METHOD: All patients underwent a quantitative measurement of the cerebral metabolic rate of oxygen by inhalation of C(15)O(2) and (15)O(2) gas with positron emission tomography. The data was analysed using spm99 software to determine the cerebral regions in which regional cerebral metabolic rate of oxygen was significantly correlated with full-scale intelligence quotient, verbal intelligence quotient, or performance intelligence quotient measured using the Wechsler intelligence scale.
RESULTS: All scores (full-scale intelligence quotient, verbal intelligence quotient, and performance intelligence quotient) showed significant positive correlations with the cerebral metabolic rate of oxygen in the lower part of the bilateral frontal lobe, the right anterior temporal lobe, and the medial occipital lobe. The verbal intelligence quotient was significantly and positively correlated with the cerebral metabolic rate of oxygen in the left inferior frontal lobe, including Broca's area. Infarcted lesions in the left posterior temporal lobe and the right upper frontal lobe influenced the decline of all of the intelligence quotient scores measured.
CONCLUSION: The present analysis indicates that the higher brain function of Moyamoya disease patients tends to be affected by the cerebral metabolism of specific regions. This information may be useful in seeking optimal clinical management to preserve higher brain function in patients with Moyamoya disease.
Chihiro Hosoda; Tadashi Nariai; Kiichi Ishiwata; Kenji Ishii; Yoshiharu Matsushima; Kikuo Ohno
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of stroke : official journal of the International Stroke Society     Volume:  5     ISSN:  1747-4949     ISO Abbreviation:  Int J Stroke     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-21     Completed Date:  2011-01-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101274068     Medline TA:  Int J Stroke     Country:  England    
Other Details:
Languages:  eng     Pagination:  367-73     Citation Subset:  IM    
Department of Neurosurgery, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan.
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MeSH Terms
Brain / metabolism*,  radionuclide imaging*
Intelligence / physiology*
Middle Aged
Moyamoya Disease / metabolism*,  physiopathology,  radionuclide imaging*
Positron-Emission Tomography
Young Adult

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