Literature DB >> 2241119

Cerebral circulation and oxygen metabolism associated with subclinical periventricular hyperintensity as shown by magnetic resonance imaging.

K Meguro1, J Hatazawa, T Yamaguchi, M Itoh, T Matsuzawa, S Ono, H Miyazawa, T Hishinuma, K Yanai, Y Sekita.   

Abstract

A combined magnetic resonance imaging and positron emission tomography study was performed on 21 patients with cerebrovascular risk factors but without neurological abnormalities. Our purpose was to investigate the hypothesis that periventricular hyperintensity (PVH) reflects ischemia. Periventricular hyperintensity was evaluated with a method we devised, and cerebral circulation and oxygen metabolism were evaluated with the oxygen-15 steady-state technique. We concluded that the brain with severe periventricular hyperintensity had abnormal circulation, although oxygen metabolism was not measurably affected. The role of a compensation mechanism under conditions of decreased oxygen supply was considered.

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Year:  1990        PMID： 2241119     DOI： 10.1002/ana.410280313

Source DB:  PubMed          Journal:  Ann Neurol        ISSN： 0364-5134            Impact factor:   10.422


  23 in total

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10.  Periventricular hyperintensity on magnetic resonance imaging correlated with brain ageing and atrophy.

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Journal:  Neuroradiology       Date:  1993       Impact factor: 2.804
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