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2003•Journal of Clinical and Experimental NeuropsychologyRequires access

Cognitive Impairment in Systemic Lupus Erythematosus and Neuropsychiatric Systemic Lupus Erythematosus: A Population-Based Neuropsychological Study

Jukka Loukkola, Matti Laine, Hanna Ainiala, Jukka Peltola, Riina Metsänoja, Anssi Auvinen, Aki Hietaharju

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Abstract

We present a cross-sectional, population-based neuropsychological study of systemic lupus erythematosus (SLE) patients identified within Tampere University Hospital district, Finland with 440,000 inhabitants. Patients with definite SLE in the age range of 16-65 years (n = 46) and matched controls (n = 46) underwent neurological examination and comprehensive neuropsychological testing. On the basis of medical examination, the SLE patients were divided into neuropsychiatric (NP+; n = 15) and nonneuropsychiatric (NP-; n = 31) cases. The neuropsychological test results revealed more prevalent cognitive impairment in the NP+ patients, indicating that this subgroup mostly accounts for neuropsychological changes in SLE. Most characteristic changes in NP+ were observed in domains of memory, psychomotor speed, and complex attention. This suggests nonspecific CNS involvement, which is in line with neurological manifestations of the disease.

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What this paper is about

We present a cross-sectional, population-based neuropsychological study of systemic lupus erythematosus (SLE) patients identified within Tampere University Hospital district, Finland with 440,000 inhabitants. Patients with definite SLE in the age range of 16-65 years (n = 46) and matched controls (n = 46) underwent neurological examination and comprehensive neuropsychological testing. On the basis of medical examination, the SLE patients were divided into neuropsychiatric (NP+; n = 15) and nonneuropsychiatric (NP-; n = 31) cases. The neuropsychological test results revealed more prevalent cognitive impairment in the NP+ patients, indicating that this subgroup mostly accounts for neuropsychological changes in SLE. Most characteristic changes in NP+ were observed in domains of memory, psychomotor speed, and complex attention. This suggests nonspecific CNS involvement, which is in line with neurological manifestations of the disease.

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Available abstract

We present a cross-sectional, population-based neuropsychological study of systemic lupus erythematosus (SLE) patients identified within Tampere University Hospital district, Finland with 440,000 inhabitants. Patients with definite SLE in the age range of 16-65 years (n = 46) and matched controls (n = 46) underwent neurological examination and comprehensive neuropsychological testing. On the basis of medical examination, the SLE patients were divided into neuropsychiatric (NP+; n = 15) and nonneuropsychiatric (NP-; n = 31) cases. The neuropsychological test results revealed more prevalent cognitive impairment in the NP+ patients, indicating that this subgroup mostly accounts for neuropsychological changes in SLE. Most characteristic changes in NP+ were observed in domains of memory, psychomotor speed, and complex attention. This suggests nonspecific CNS involvement, which is in line with neurological manifestations of the disease.

Key concepts: Neuropsychology, Neuropsychological test, Population, Psychomotor learning, Systemic disease, Psychology, Lupus erythematosus, Neuropsychological assessment

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