4 research outputs found

    The impact of silent vascular brain burden in cognitive impairment in Parkinson's disease

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    White matter hyperintensities (WMHs) detected by magnetic resonance imaging (MRI) of the brain are associated with dementia and cognitive impairment in the general population and in Alzheimer's disease. Their effect in cognitive decline and dementia associated with Parkinson's disease (PD) is still unclear. METHODS: We studied the relationship between WMHs and cognitive state in 111 patients with PD classified as cognitively normal (n = 39), with a mild cognitive impairment (MCI) (n = 46) or dementia (n = 26), in a cross-sectional and follow-up study. Cognitive state was evaluated with a comprehensive neuropsychological battery, and WMHs were identified in FLAIR and T2-weighted MRI. The burden of WMHs was rated using the Scheltens scale. RESULTS: No differences in WMHs were found between the three groups in the cross-sectional study. A negative correlation was observed between semantic fluency and the subscore for WMHs in the frontal lobe. Of the 36 non-demented patients re-evaluated after a mean follow-up of 30 months, three patients converted into MCI and 5 into dementia. Progression of periventricular WMHs was associated with an increased conversion to dementia. A marginal association between the increase in total WMHs burden and worsening in the Mini Mental State Examination was encountered. CONCLUSIONS: White matter hyperintensities do not influence the cognitive status of patients with PD. Frontal WMHs have a negative impact on semantic fluency. Brain vascular burden may have an effect on cognitive impairment in patients with PD as WMHs increase overtime might increase the risk of conversion to dementia. This finding needs further confirmation in larger prospective studies

    Perfil neuropsicol贸gico de la degeneraci贸n lobar frontotemporal

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    La degeneraci贸n lobar frontotemporal engloba tres s铆ndromes diferentes, que comparten caracter铆sticas cl铆nicas y patol贸gicas comunes, dificultando as铆 su diagn贸stico en estadios iniciales. Se incluyen en este grupo las tres variantes de la demencia frontotemporal, el s铆ndrome corticobasal y el s铆ndrome de par谩lisis supranuclear progresiva. Se ha llevado a cabo una revisi贸n del perfil neuropsicol贸gico de cada uno de los s铆ndromes, que permita clarificar las caracter铆sticas fundamentales que los definen y ayudar a diferenciarlos de otras demencias. Se ha hecho una revisi贸n de los diferentes trabajos publicados en la literatura al respecto, describiendo las caracter铆sticas cl铆nicas, patol贸gicas y los hallazgos de imagen fundamentales de cada entidad para describir de manera exhaustiva los hallazgos en los diferentes dominios neuropsicol贸gicos y su progresi贸n. Aunque existe un solapamiento entre los s铆ndromes que conforman la degeneraci贸n lobar frontotemporal, la comparaci贸n del perfil neuropsicol贸gico de las mismas entre s铆 y frente a otras demencias permite establecer caracter铆sticas propias de su perfil neuropsicol贸gico para llevar a cabo un diagn贸stico diferencial.Frontotemporal lobar degeneration encompasses three different syndromes, with clinical and pathologic commonalities, making diagnosis difficult in early stages. Three subtypes are recognized: frontotemporal dementia and its three variants, corticobasal syndrome and supranuclear palsy syndrome. The objective of this study is to review the neuropsychological features of each syndrome in order to differentiate amongst subtypes as well as from other forms of dementia. We review multiple studies from the literature, highlighting the main clinical features, neuropathology and changes in brain imaging of each syndrome. Subsequently, we describe the neuropsychological profile compared to other dementias, and how it progresses over time. Although there is an overlap amongst the different subtypes of frontotemporal lobar degeneration, neuropsychological profiles can help identify subtypes and discriminate frontotemporal lobar degeneration from other forms of dementia

    Perfil neuropsicol贸gico de la degeneraci贸n lobar frontotemporal

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    La degeneraci贸n lobar frontotemporal engloba tres s铆ndromes diferentes, que comparten caracter铆sticas cl铆nicas y patol贸gicas comunes, dificultando as铆 su diagn贸stico en estadios iniciales. Se incluyen en este grupo las tres variantes de la demencia frontotemporal, el s铆ndrome corticobasal y el s铆ndrome de par谩lisis supranuclear progresiva. Se ha llevado a cabo una revisi贸n del perfil neuropsicol贸gico de cada uno de los s铆ndromes, que permita clarificar las caracter铆sticas fundamentales que los definen y ayudar a diferenciarlos de otras demencias. Se ha hecho una revisi贸n de los diferentes trabajos publicados en la literatura al respecto, describiendo las caracter铆sticas cl铆nicas, patol贸gicas y los hallazgos de imagen fundamentales de cada entidad para describir de manera exhaustiva los hallazgos en los diferentes dominios neuropsicol贸gicos y su progresi贸n. Aunque existe un solapamiento entre los s铆ndromes que conforman la degeneraci贸n lobar frontotemporal, la comparaci贸n del perfil neuropsicol贸gico de las mismas entre s铆 y frente a otras demencias permite establecer caracter铆sticas propias de su perfil neuropsicol贸gico para llevar a cabo un diagn贸stico diferencial.Frontotemporal lobar degeneration encompasses three different syndromes, with clinical and pathologic commonalities, making diagnosis difficult in early stages. Three subtypes are recognized: frontotemporal dementia and its three variants, corticobasal syndrome and supranuclear palsy syndrome. The objective of this study is to review the neuropsychological features of each syndrome in order to differentiate amongst subtypes as well as from other forms of dementia. We review multiple studies from the literature, highlighting the main clinical features, neuropathology and changes in brain imaging of each syndrome. Subsequently, we describe the neuropsychological profile compared to other dementias, and how it progresses over time. Although there is an overlap amongst the different subtypes of frontotemporal lobar degeneration, neuropsychological profiles can help identify subtypes and discriminate frontotemporal lobar degeneration from other forms of dementia

    Correction: Incorrect spelling of last author name in Neuropsychological profile of frontotemporal lobar degeneration

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    La degeneraci贸n lobar frontotemporal engloba tres s铆ndromes diferentes, que comparten caracter铆sticas cl铆nicas y patol贸gicas comunes, dificultando as铆 su diagn贸stico en estadios iniciales. Se incluyen en este grupo las tres variantes de la demencia frontotemporal, el s铆ndrome corticobasal y el s铆ndrome de par谩lisis supranuclear progresiva. Se ha llevado a cabo una revisi贸n del perfil neuropsicol贸gico de cada uno de los s铆ndromes, que permita clarificar las caracter铆sticas fundamentales que los definen y ayudar a diferenciarlos de otras demencias. Se ha hecho una revisi贸n de los diferentes trabajos publicados en la literatura al respecto, describiendo las caracter铆sticas cl铆nicas, patol贸gicas y los hallazgos de imagen fundamentales de cada entidad para describir de manera exhaustiva los hallazgos en los diferentes dominios neuropsicol贸gicos y su progresi贸n. Aunque existe un solapamiento entre los s铆ndromes que conforman la degeneraci贸n lobar frontotemporal, la comparaci贸n del perfil neuropsicol贸gico de las mismas entre s铆 y frente a otras demencias permite establecer caracter铆sticas propias de su perfil neuropsicol贸gico para llevar a cabo un diagn贸stico diferencial.Frontotemporal lobar degeneration encompasses three different syndromes, with clinical and pathologic commonalities, making diagnosis difficult in early stages. Three subtypes are recognized: frontotemporal dementia and its three variants, corticobasal syndrome and supranuclear palsy syndrome. The objective of this study is to review the neuropsychological features of each syndrome in order to differentiate amongst subtypes as well as from other forms of dementia. We review multiple studies from the literature, highlighting the main clinical features, neuropathology and changes in brain imaging of each syndrome. Subsequently, we describe the neuropsychological profile compared to other dementias, and how it progresses over time. Although there is an overlap amongst the different subtypes of frontotemporal lobar degeneration, neuropsychological profiles can help identify subtypes and discriminate frontotemporal lobar degeneration from other forms of dementia
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