Publications by authors named "Yukihiko Matsuoka"

Background: Patients with subacute myelo-optico-neuropathy (SMON) suffer from a number of serious neurological symptoms that adversely affect their activities of daily living (ADL). However, the effects of these neurological symptoms on functional capacity and life satisfaction have not been reported.

Methods: We analyzed data from 1,300 SMON patients aged 55-94 years that was obtained at medical check-ups carried out by the SMON Research Committee in 2004-2006 in Japan.

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Objective: This study was performed to analyze the locomotion outcome of hemiplegic patients with stroke and to explore the factors influencing it.

Methods: A total of 247 patients (mean age 65.6 +/- 10.

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Survival and prognosis were investigated in 45 patients with progressive supranuclear palsy (including 10 autopsy cases) from April, 1991 to March, 2003 in Higashi Nagoya National Hospital. The subjects were 28 males, and 17 females. Mean age at onset was 64.

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One thousand and thirty-one longstanding patients with subacute myelo-optico-neuropathy (SMON; 275 males, 756 females; mean age +/- S.D., 72.

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This report concerns a Japanese family with neuropathological findings consistent with amyotrophic lateral sclerosis/parkinsonism-dementia complex (ALS/PDC) in the Island of Guam. The proband was a 68-year-old woman with an 8-year history of parkinsonism which was followed by psychiatric symptoms and neurogenic amyotrophy 5 years after the onset. She had a family history of parkinsonism associated with dementia in all of her three siblings.

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The clinico-pathological study of a new type of familial parkinsonism with striatal degeneration is reported. The inheritance mode was autosomal recessive, and three out of four offspring of married cousins developed parkinsonism in their early adulthood. Their clinical signs were rigidity, bradykinesia, postural instability and dysarthria.

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We investigated cerebral atrophy in multiple system atrophy (MSA) by quantitative analysis of MRI. The subjects were 28 patients with MSA (14 striato-nigral degeneration; SND, 14 olivo-ponto-cerebellar atrophy; OPCA. 106 MRI examinations were performed totally) and 85 normal persons for control.

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In this paper, atypical pathological findings in a genetic diagnosed case of dentato-rubro-pallido-luysian atrophy (DRPLA) with mild degeneration in the common lesions of the disease is reported. The patient was 59-year-old woman with 31-year history of involuntary movement, ataxia and psychiatric disorders. Her CAG repeat number of DRPLA gene was 68/14.

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Article Synopsis
  • A study conducted on SMON patients found a significant number with severe visual impairments and loss of mobility, indicating long-term effects of clioquinol intoxication.
  • Among the analyzed patients, 81 experienced severe visual issues, with 22 being completely blind, which impacted their overall quality of life and independence.
  • The findings suggest a crucial need for comprehensive support and resources for these severely affected patients to address their ongoing medical and social care requirements.
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Nine patients with multiple system atrophy (MSA) were studied based on MRI findings of cerebral hemispheric involvement. The age at onset was 56.4+/-8.

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