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      Osmolalidade do líquido cefalorraqueano normal Translated title: The osmolality of normal cerebrospinal fluid

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          Abstract

          Estudo da osmolalidade de 22 amostras de LCR e de 22 amostras de sôro. As amostras de LCR foram colhidas de pacientes sem afecções do sistema nervoso central e sem alterações metabólicas gerais e, as de sôro, de pessoas sadias. A osmolalidade foi determinada em osmômetro de Fiske. Os resultados são expressos em mOsm/kg d'água e estão reunidos nas tabelas 1 (LCR) e 2 (sôro); na tabela 3 são apresentadas as estimativas correspondentes. Não foram encontradas diferenças significativas entre a osmolalidade do LCR e do sôro. Êste dado confirma resultados consignados na literatura, obtidos pelo mesmo método, mas baseados na análise de menor número de casos.

          Translated abstract

          The osmolality of the cerebrospinal fluid (CSF) in normal conditions was evaluated through the results in 22 CSF samples obtained from patients with any evidence of central nervous system diseases as well with any disease that might interfer with general metabolic conditions. For comparative purposes it was studied the serum osmolality in a series of 22 healthy people. The osmolality was evaluated by the Fiske's osmometer. Results are presented in table 1 (CSF), table 2 (blood sera) and their estimatives are grouped in table 3. The results reported confirm that there are any significative differences between the values of CSF and of blood serum osmolality in normal conditions.

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          Most cited references5

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          Physiology of the ocular and cerebrospinalfluids

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            Simultaneous cerebrospinal fluid and serum acid-base balance, ionic patterns and ionic and osmolality distribution ratios

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              Osmolality of human serum and of chemical solutions of biologic importance

              E Hendry (1962)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                anp
                Arquivos de Neuro-Psiquiatria
                Arq. Neuro-Psiquiatr.
                Academia Brasileira de Neurologia - ABNEURO (São Paulo )
                1678-4227
                March 1966
                : 24
                : 1
                : 12-14
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Article
                S0004-282X1966000100003
                10.1590/S0004-282X1966000100003
                77888025-2fc3-4a9f-b006-82d927a02682

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0004-282X&lng=en
                Categories
                NEUROSCIENCES
                PSYCHIATRY

                Neurosciences,Clinical Psychology & Psychiatry
                Neurosciences, Clinical Psychology & Psychiatry

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