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CC BY-NC-ND 4.0 · Arq Neuropsiquiatr 2016; 74(06): 501-512
DOI: 10.1590/0004-282X20160066
VIEW AND REVIEW

Knowledge-base for interpretation of cerebrospinal fluid data patterns. Essentials in neurology and psychiatry

Bases do conhecimento para interpretação de padrões de dados em líquido cefalorraquidiano. Essenciais em neurologia e psiquiatria
Hansotto Reiber
1   CSF and Complexity Studies, Sao Paulo SP, Brasil;
2   University Goettingen, Former Neurochemistry Laboratory, Goettingen, Germany.
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ABSTRACT

The physiological and biophysical knowledge base for interpretations of cerebrospinal fluid (CSF) data and reference ranges are essential for the clinical pathologist and neurochemist. With the popular description of the CSF flow dependent barrier function, the dynamics and concentration gradients of blood-derived, brain-derived and leptomeningeal proteins in CSF or the specificity-independent functions of B-lymphocytes in brain also the neurologist, psychiatrist, neurosurgeon as well as the neuropharmacologist may find essentials for diagnosis, research or development of therapies. This review may help to replace the outdated ideas like “leakage” models of the barriers, linear immunoglobulin Index Interpretations or CSF electrophoresis. Calculations, Interpretations and analytical pitfalls are described for albumin quotients, quantitation of immunoglobulin synthesis in Reibergrams, oligoclonal IgG, IgM analysis, the polyspecific ( MRZ- ) antibody reaction, the statistical treatment of CSF data and general quality assessment in the CSF laboratory. The diagnostic relevance is documented in an accompaning review.

RESUMO

As bases do conhecimento biológico e biofísico para interpretação de dados do líquido cefalorraquidiano (LCR), assim como das faixas de referência, são essenciais para o patologista clínico e para o neuroquímico. Com a descrição popular da função de barreira dependente do fluxo LCR, a dinâmica e os gradientes de concentração das proteínas derivadas do sangue, do cérebro e da leptomeninge no LCR, bem como as funções específico-independentes dos linfócitos B no cérebro também podem ser essenciais para o diagnóstico ou o desenvolvimento de terapias pelo neurologista, psiquiatra, neurocirurgião e neurofarmacologista. Essa revisão pode auxiliar na substituição de conceitos ultrapassados como os dos modelos de “ruptura” das barreiras, das interpretações lineares do índice de imunoglobulina ou da eletroforese do LCR. Cálculos, interpretações e armadilhas analíticas são descritos para quocientes de albumina, quantificação da síntese de imunoglobulinas em Reibergramas, IgG oligoclonal, análise de IgM, reação MRZ (anticorpo poliespecífico), tratamento estatístico de dados do LCR e qualidade geral das análises no laboratório de LCR. A relevância do diagnóstico está documentada em uma revisão anexa a este documento.

cerebrospinal fluid - reference values - immunoglobulin - albumins
líquido cefalorraquidiano - valores de referência - imunoglobulinas - albumin


Publication History

Received: 31 December 2015

Accepted: 07 January 2016

Article published online:
06 September 2023

© 2023. Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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