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1.
Arq. neuropsiquiatr ; 59(1): 89-91, Mar. 2001. graf, tab
Article in Portuguese | LILACS | ID: lil-284244

ABSTRACT

Aspectos clínicos e demográficos de 86 pacientes com o diagnóstico de esclerose múltipla (EM) forma clinicamente definida foram comparados aos achados do líquido cefalorraqueano. Do grupo total 30 por cento encontrava-se em surto, 41 por cento em remissäo e 29 por cento na forma crônica progressiva. Os pacientes com a forma crônica progressiva apresentavam índice de IgG sugestivo de imunoliberaçäo intratecal em 76 por cento dos casos, enquanto que aumento deste parâmetro foi observado em apenas 46 por cento e 49 por cento, das formas em surto e remissäo, respectivamente (p<0,005). Os dados obtidos no estudo quantitativo da síntese intratecal de IgG contribuem para a demonstraçäo de diferenças imunológicas entre ambas as formas de EM, surto-remissäo e crônica progressiva. O uso de corticóides reduz quantitativamente a síntese intratecal de IgG mas näo a síntese de bandas oligoclonais


Subject(s)
Humans , Male , Female , Child , Adolescent , Adult , Middle Aged , Immunoglobulin G/cerebrospinal fluid , Multiple Sclerosis/cerebrospinal fluid , Isoelectric Focusing , Multiple Sclerosis/blood , Statistics, Nonparametric
2.
Arq. neuropsiquiatr ; 57(4): 927-31, dez. 1999. tab
Article in English | LILACS | ID: lil-249290

ABSTRACT

The demonstration of intrathecal IgG synthesis has been used as an important laboratory parameter to support the diagnosis of multiple sclerosis (MS). The Committee for European Concerted Action for Multiple Sclerosis has recommended a protocol for the assessment of intrathecal IgG synthesis. We applied this methodology to determine the cerebrospinal (CSF) profile of 128 Brazilian patients with MS. We detected hypercytosis lower than 35 cells/mm3 in 97 per cent, protein lower than 80mg/dl in 99 per cent, normal blood-CSF barrier function in 76 per cent, increased IgG local production around 53 per cent and oligoclonal IgG bands by isoelectric focosing in 85 per cent of the definite MS patients. The diagnostic accuracy of the quantitative analysis was lower than the qualitative. The detection of oligoclonal bands was especially important in the cases of normal quantitative assays of IgG. In addition, we found a lower frequency of inflammatory reaction in CSF in our MS cases, in comparison to some European studies.


Subject(s)
Adult , Middle Aged , Female , Humans , Adolescent , Immunoglobulin G/analysis , Multiple Sclerosis/cerebrospinal fluid , Brazil , Immunoglobulin G/biosynthesis , Immunoglobulin G/cerebrospinal fluid , Multiple Sclerosis/blood
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