An electrophysiological investigation of skeletal muscles in polymyositis

An electrophysiological investigation of skeletal muscles in polymyositis

An electrophysiological study has been made of the extensor digitorum brevis, thenar and hypothenar muscles in 25 patients with chronic and acute polymyositis. It was found a reduction of the number of functioning motor units in some patients with chronic polymyositis and only in one of those affected by acute polymyositis. The sizes of the surviving units suggested that the results could be explained in terms of a primary muscle involvement mainly in acute polymyositis, while in chronic polymyositis a combination of primary and neurogenic involvement of muscle fibers might take place.

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Bibliographic Details
Main Authors: Sica,R. E. P., Sanz,Olga P., Aguilera,Nidia, Colombi,A.
Format: Digital revista
Language:English
Published: Academia Brasileira de Neurologia - ABNEURO 1976
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1976000400004
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spelling oai:scielo:S0004-282X19760004000042013-02-25An electrophysiological investigation of skeletal muscles in polymyositisSica,R. E. P.Sanz,Olga P.Aguilera,NidiaColombi,A.An electrophysiological study has been made of the extensor digitorum brevis, thenar and hypothenar muscles in 25 patients with chronic and acute polymyositis. It was found a reduction of the number of functioning motor units in some patients with chronic polymyositis and only in one of those affected by acute polymyositis. The sizes of the surviving units suggested that the results could be explained in terms of a primary muscle involvement mainly in acute polymyositis, while in chronic polymyositis a combination of primary and neurogenic involvement of muscle fibers might take place.info:eu-repo/semantics/openAccessAcademia Brasileira de Neurologia - ABNEUROArquivos de Neuro-Psiquiatria v.34 n.4 19761976-12-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1976000400004en10.1590/S0004-282X1976000400004
institution SCIELO
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country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
tag revista
region America del Sur
libraryname SciELO
language English
format Digital
author Sica,R. E. P.
Sanz,Olga P.
Aguilera,Nidia
Colombi,A.
spellingShingle Sica,R. E. P.
Sanz,Olga P.
Aguilera,Nidia
Colombi,A.
An electrophysiological investigation of skeletal muscles in polymyositis
author_facet Sica,R. E. P.
Sanz,Olga P.
Aguilera,Nidia
Colombi,A.
author_sort Sica,R. E. P.
title An electrophysiological investigation of skeletal muscles in polymyositis
title_short An electrophysiological investigation of skeletal muscles in polymyositis
title_full An electrophysiological investigation of skeletal muscles in polymyositis
title_fullStr An electrophysiological investigation of skeletal muscles in polymyositis
title_full_unstemmed An electrophysiological investigation of skeletal muscles in polymyositis
title_sort electrophysiological investigation of skeletal muscles in polymyositis
description An electrophysiological study has been made of the extensor digitorum brevis, thenar and hypothenar muscles in 25 patients with chronic and acute polymyositis. It was found a reduction of the number of functioning motor units in some patients with chronic polymyositis and only in one of those affected by acute polymyositis. The sizes of the surviving units suggested that the results could be explained in terms of a primary muscle involvement mainly in acute polymyositis, while in chronic polymyositis a combination of primary and neurogenic involvement of muscle fibers might take place.
publisher Academia Brasileira de Neurologia - ABNEURO
publishDate 1976
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1976000400004
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