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Arquivos de Neuro-Psiquiatria

Print version ISSN 0004-282X

Arq. Neuro-Psiquiatr. vol.53 no.1 São Paulo Mar. 1995

http://dx.doi.org/10.1590/S0004-282X1995000100010 

Correlação entre a incapacidade funcional, idade e enzimas séricas nas doenças neuromusculares

 

Correlation of disability with age and serum enzymes in neuromuscular disorders

 

 

Lineu Cesar Werneck

Professor Titular de Neurologia

 

 


RESUMO

Foram estudados 806 casos de diversas doenças neuromusculares, a fim de verificar se existe correlação entre o grau de incapacidade funcional aferida pela escala de Vignos e Archibald (V&A) e enzimas séricas (creatinoquinase, desidrogenase lática, aldolase, transaminase glutâmica oxalacética e pirúvica). Foram utilizados testes para a análise do coeficiente de correlação simples (Pearson) e múltiplo. Foi encontrada correlação positiva (piora progressiva da incapacidade) da V&A com a idade em algumas doenças, como a distrofia muscular de Duchenne, distrofia fascio-escapulo-umeral, distrofia miotônica, miopatias com defeitos enzimáticos da cadeia respiratória e esclerose lateral amiotrófica. Por outro lado, foi detectada correlação negativa (melhora progressiva dos sintomas) na miopatia do multicore, miopatia benigna da infância com predomínio de fibras do tipo 1, deficiência de carnitina e dermatomiosite. A V&A mostrou maiores correlações (p< 0,05) entre as diversas enzimas sérícas quando estudadas isoladamente na distrofia muscular de Duchenne, distrofia óculo-crânio-somática, polimiositcs e periarterite nodosa. Quando as enzimas foram analisadas em conjunto, através de teste de correlação múltipla, verificou-se pequena correlação entre elas e a V&A. Esta reduzida interrelação sugere que a utilização de diversas enzimas na análise longitudinal das doenças neuromusculares é limitada, não tendo aplicação pratica, embora sejam muito importantes no diagnóstico.

Palavras-chave:enzimas séricas, doenças neuromusculares, incapacidade funcional; diagnóstico.


SUMMARY

We attempt to correlate the patient's disability and serum enzymes (creatinekinase, lactic dehydrogenase, aldolase, glutamic oxalacetic and glutamic piruvic transaminase) in several neuromuscular disorders using the Vignos and Archibald scale (V&A). In 806 cases we studied, serum enzyme levels and the V&A disability using a computer for Pearson's correlation and regressive analysis. A good correlation of the V&A with age suggested a progressive evolution (increased disability) in Duchenne muscular dystrophy, fascioscapulohumeral dystrophy, myotonic dystrophy, myopathies due to respiratory chain enzyme deficiency and amyotrophic lateral sclerosis. A negative correlation (decrease disability with age) was found for multicore myopathy, benign myopathy of childhood with type 1 predominance, carnitine myopathy deficiency and dermatomyositis. It was found a correlation (p< 0.0S) of the V&A and the level of specific serum enzymes with Duchenne muscular dystrophy, oculocraniosomatic dystrophies, polymyositis and polyarteritis nodosa. Using regression analysis, we found a weak interrelation between serum enzymes studied simultaneously and the V&A. These weak relations suggest some limitation in the long term use of the five serum enzymes in the evaluation of neuromuscular disorders when compared with V&A; although they are very important in the diagnosis.

Key words:serum enzymes, myopathies, neuromuscular disorders, diagnosis, muscle disability.


 

 

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Full text available only in PDF format.

 

 

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Aceite: 20-julho-1994.