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      Aspectos clínicos e neuropatológicos da síndrome de Wernicke-Korsakoff Translated title: Clinical and neurophatological aspects of Wernicke-Korsakoff syndrome

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          Abstract

          O abuso de álcool é um dos mais sérios problemas de saúde pública e a síndrome de Wernicke-Korsakoff é uma das mais graves conseqüências do alcoolismo. Esta patologia é infreqüentemente diagnosticada nas suas apresentações menos evidentes, razão pela qual uma abordagem diagnóstica apropriada é importante passo para seu tratamento. Entre as novas propostas farmacológicas, está a reposição dos níveis de tiamina, embora isto seja insuficiente para prevenir o declínio psicológico de um grande número de pacientes. O impacto cognitivo da patologia é derivado da interação entre neurotoxicidade alcóolica, deficiência de tiamina e suscetibilidade pessoal. São descritos, a história, a epidemiologia e os achados clínicos e neuropatológicos, bem como alguns aspectos de tratamento e prognóstico da síndrome de Wernicke-Korsakoff.

          Translated abstract

          Alcohol abuse is one of most serious problems in public health and the Wernicke-Korsakoff syndrome one of the gravest consequences of alcoholism. The pathology is often undiagnosed in its less evident presentations, therefore an accurate diagnostic approach is a critical step in planning treatment. Besides new pharmacological proposals, treatment is based on the restoration of thiamine, although this is insufficient to prevent the psychological decline of a great number of patients. The cognitive impact of the pathology is derived from the interaction of alcoholic neurotoxicity, thiamine deficiency and personal susceptibility. In this article the history, epidemiology, clinical and neuropathological features of the Wernicke-Korsakoff syndrome, as well as some aspects of its treatment and prognosis, are described.

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          Most cited references117

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          Lipid composition of the normal human brain: gray matter, white matter, and myelin.

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            The incidence of Wernicke's encephalopathy in Australia--a neuropathological study of 131 cases.

            C C Harper (1983)
            In a nine year necropsy study in Western Australia, the incidence of Wernicke's encephalopathy was 2.8%. The incidence appears to be increasing. Although Wernicke's encephalopathy is a nutritional disorder, the majority of cases occur in the alcoholic population. Only 20% of the 131 cases studied had been diagnosed clinically as Wernicke's encephalopathy. This large discrepancy between numbers of cases diagnosed clinically and pathologically suggests that chronic Wernicke's encephalopathy, which comprised 83% of the cases, may be the end result of repeated subclinical episodes of Wernicke's encephalopathy. Thus, Wernicke's encephalopathy could be considered a "progressive" disorder and as patients respond well to thiamine replacement therapy, early diagnosis is important. Alternatively, prevention by vitamin enrichment of alcoholic beverages may have to be considered in an attempt to minimise the social and economic impact of Wernicke's encephalopathy on Western society.
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              Current concepts. Wernicke's encephalopathy.

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                Author and article information

                Journal
                rsp
                Revista de Saúde Pública
                Rev. Saúde Pública
                Faculdade de Saúde Pública da Universidade de São Paulo (São Paulo, SP, Brazil )
                0034-8910
                1518-8787
                December 1996
                : 30
                : 6
                : 602-608
                Affiliations
                [02] Porto Alegre Rio Grande do Sul orgnamePontifícia Universidade Católica do Rio Grande do Sul orgdiv1Hospital São Lucas Brazil
                [03] Porto Alegre Rio Grande do Sul orgnamePontifícia Universidade Católica do Rio Grande do Sul orgdiv1Faculdade de Medicina Brazil
                [01] Porto Alegre Rio Grande do Sul orgnameUniversidade Federal do Rio Grande do Sul orgdiv1Departamento de Bioquímica Brazil
                Article
                S0034-89101996000600015 S0034-8910(96)03000615
                10.1590/S0034-89101996000600015
                d81ee7fd-6d0e-4525-90ed-871734e82598

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 28 May 1995
                : 06 May 1996
                : 24 May 1996
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 56, Pages: 7
                Product

                SciELO Public Health

                Self URI: Texto completo somente em PDF (PT)
                Categories
                Atualização

                Encefalopatia de Wernicke,Alcoolismo,Transtorno amnésico alcoólico,Alcoholism,Alcohol amnestic disorder,Wernicke's encephalopathy

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