Yuki Kimura

Oita University, Ōita, Oita, Japan

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Publications (2)2.19 Total impact

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    ABSTRACT: The aim of the present study was to evaluate the relationship between baseline white matter lesions (WML) and changes in regional cerebral blood flow during longitudinal follow up of patients with Alzheimer's disease (AD). A total of 38 patients with AD were included in the study (16 men, 22 women; mean age 77.8 years). All patients were evaluated using the Mini-Mental State Examination and brain perfusion single-photon emission computed tomography at baseline with an approximately 2-year follow up. The patients were divided into two subgroups according to the presence of WML on magnetic resonance imaging. Single-photon emission computed tomography data were analyzed using a voxel-by-voxel group analysis with Statistical Parametric Mapping 8 and region of interest analysis using FineSRT. Changes in Mini-Mental State Examination scores and regional cerebral blood flow were analyzed using the Wilcoxon signed-rank test. Mean Mini-Mental State Examination scores in AD patients with WML significantly decreased from 19.4 ± 4.8 to 15.5 ± 6.5 (P = 0.003). Statistical Parametric Mapping 8 and FineSRT analysis showed more severe and widespread regional cerebral blood flow reduction, mainly in the frontal and mesial temporal regions in AD patients with WML compared with those without WML. Baseline WML could predict a rapid progression of cognitive and brain functional impairment during longitudinal follow up in AD. Geriatr Gerontol Int 2015; ●●: ●●-●●. © 2015 Japan Geriatrics Society.
    No preview · Article · Aug 2015 · Geriatrics & Gerontology International
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    ABSTRACT: An 80-year-old woman was admitted to our hospital because of developed sense of constriction in the trunk and gradually progressive numbness and muscle weakness in the upper and lower extremities. Cerebrospinal fluid analysis showed increased cell count and protein level. Gadolinium enhanced magnetic resonance imaging (MRI) of spine showed the enhancement and swelling of bilateral nerve root in the cervical and lumbar segments. Although chest computed tomography showed neither bilateral hilar lymphoadenopathy nor lung lesions and serum angiotensin converting enzyme and lysozyme (ACE) were normal, tuberculin skin test was negative and cell count and CD4/CD8 elevated in bronchoalveolar lavage fluid. Biopsy specimen of scalene lymph node showed noncaseating granuloma. The patient was treated with oral predonisolone, which improved her symptoms and abnormalities on MRI. It is important to consider neurosarcoidosis in the differential diagnosis of polyradiculopathy with swelling and gadolinium enhancement of spinal nerve roots.
    No preview · Article · Jul 2011 · Rinsho shinkeigaku = Clinical neurology