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1.
Neurology Asia ; : 351-356, 2014.
Artigo em Inglês | WPRIM | ID: wpr-628547

RESUMO

Cerebral white matter changes (WMCs) and silent brain infarcts (SBIs) are common radiologic findings in neurologically asymptomatic elderly people, but are associated with an increased risk of subsequent stroke. We investigated the prevalence and risk factors for these cerebral changes on brain computed tomography (CT) in 480 community-dwelling healthy Korean adults without stroke or dementia, who were recruited for an early health program. Cerebral WMCs were defined as the presence of approximately 5 mm wide ill-defined and moderately hypodense lesions, and SBIs were defined as the presence of >2 mm wide well-defined hypodense lesions. Of the 480 patients, 49 (10.2%) had cerebral WMCs and SBIs findings on brain CT. The prevalence of WMCs and SBIs increased with age: the prevalence was 2.4%, 9%, and 32% for subjects in their 50, 60s, and 70s, respectively. In addition, hypertension, abdominal obesity, increased levels of homocysteine and high sensitivity C-reactive protein were significantly associated with cerebral WMCs and SBIs. Our study suggests that regular monitoring of risk factors is required to prevent cerebral WMCs and SBIs and decrease the incidence of stroke and dementia in healthy individuals.

2.
Dementia and Neurocognitive Disorders ; : 24-26, 2014.
Artigo em Inglês | WPRIM | ID: wpr-68309

RESUMO

Marchiafava-Bignami disease (MBD) is a rare disorder of demyelination or necrosis of the corpus callosum. Mainly, MBD is associated with alcohol and malnutrition. We report a 60-year-old woman with no history of alcohol consumption or malnutrition who had MBD as a possible complication of normal pressure hydrocephalus (NPH). The patient presented with a 2-month history of progressive gait unsteadiness, urinary incontinence, and forgetfulness, for which the patient underwent ventriculoperitoneal shunt surgery with remarkable improvement. Magnetic resonance imaging (MRI) demonstrated hyperintensity in the body and splenium of corpus callosum when she was brought to the hospital again with rapid deterioration of her mental ststus. It might be postulated that cerebrospinal fluid (CSF) tumor necrosis factor-alpha (TNF-alpha) might have contributed to the development of MBD although not measured in this patient, given that TNF-alpha, as a proinflammatory cytokine mediating demyelinating process have been found in be increased in the CSF of NPH.


Assuntos
Feminino , Humanos , Pessoa de Meia-Idade , Consumo de Bebidas Alcoólicas , Líquido Cefalorraquidiano , Corpo Caloso , Doenças Desmielinizantes , Marcha , Hidrocefalia de Pressão Normal , Imageamento por Ressonância Magnética , Desnutrição , Doença de Marchiafava-Bignami , Necrose , Negociação , Fator de Necrose Tumoral alfa , Incontinência Urinária , Derivação Ventriculoperitoneal
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