Cognitive performance of detoxified alcoholic Korsakoff syndrome patients remains stable over two years

Fujiwara E, Brand M, Borsutzky S, Steingass H-P, Markowitsch HJ (2008)
JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY 30(5): 576-587.

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Abstract
Excessive alcohol consumption is assumed to promote cognitive decline, eventually increasing the risk of dementia. However, little is known about the time course of cognitive functions in patients with chronic alcoholic Korsakoff syndrome (KS). Therefore, we assessed neuropsychological performance in 20 detoxified chronic KS inpatients at time 1 (T1) with a follow-up after two years (T2). The neuropsychological tests assessed verbal and visual short- and long-term memory, working memory, basic executive functions, language, general knowledge, and visual-spatial abilities. Surveys with caregivers and medical records provided information about current and previous disease-related parameters, drinking history, additional pathologies, as well as psychosocial and cognitive therapy within the two-year period. At both sessions, the majority of the KS patients' results were inferior to those of normal subjects. Comparing T1 and T2 revealed no significant decline in any of the investigated functions. Instead, general knowledge, visual long-term memory, and verbal fluency improved slightly after two years, though they still remained within pathological range. Comparing most improved and most deteriorated patients, better outcome occurred more frequently in men than women and was associated with higher premorbid education and fewer detoxifications in the past. In this sample of detoxified KS patients there was no indication of accelerated cognitive decline or onset of dementia-like symptoms over two years.
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Fujiwara E, Brand M, Borsutzky S, Steingass H-P, Markowitsch HJ. Cognitive performance of detoxified alcoholic Korsakoff syndrome patients remains stable over two years. JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY. 2008;30(5):576-587.
Fujiwara, E., Brand, M., Borsutzky, S., Steingass, H. - P., & Markowitsch, H. J. (2008). Cognitive performance of detoxified alcoholic Korsakoff syndrome patients remains stable over two years. JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY, 30(5), 576-587.
Fujiwara, E., Brand, M., Borsutzky, S., Steingass, H. - P., and Markowitsch, H. J. (2008). Cognitive performance of detoxified alcoholic Korsakoff syndrome patients remains stable over two years. JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY 30, 576-587.
Fujiwara, E., et al., 2008. Cognitive performance of detoxified alcoholic Korsakoff syndrome patients remains stable over two years. JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY, 30(5), p 576-587.
E. Fujiwara, et al., “Cognitive performance of detoxified alcoholic Korsakoff syndrome patients remains stable over two years”, JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY, vol. 30, 2008, pp. 576-587.
Fujiwara, E., Brand, M., Borsutzky, S., Steingass, H.-P., Markowitsch, H.J.: Cognitive performance of detoxified alcoholic Korsakoff syndrome patients remains stable over two years. JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY. 30, 576-587 (2008).
Fujiwara, Esther, Brand, Matthias, Borsutzky, Sabine, Steingass, Hans-P., and Markowitsch, Hans J. “Cognitive performance of detoxified alcoholic Korsakoff syndrome patients remains stable over two years”. JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY 30.5 (2008): 576-587.
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