Is phrenic nerve conduction affected in patients with difficult-to-treat asthma?-Reference-Cited by-同舟云学术

Is phrenic nerve conduction affected in patients with difficult-to-treat asthma?

Published:2018-03 Issue:3 Volume:76 Page:177-182
ISSN:1678-4227
Container-title:Arquivos de Neuro-Psiquiatria
language:
Short-container-title:Arq. Neuro-Psiquiatr.

Author:

Maranhão Analúcia Abreu¹,Rodrigues Marcia Maria Jardim²,Carvalho Sonia Regina da Silva¹,Caetano Marcelo Ribeiro²,Compagnoni Inaê Mattoso³,Carnio Tatiane Katia³,Ribeiro Débora³

Affiliation:

1. Universidade Federal do Estado Rio de Janeiro, Brasil; Universidade Federal do Estado Rio de Janeiro, Brasil

2. Universidade Federal do Estado Rio de Janeiro, Brasil

3. Rio de Janeiro State Federal University, Brazil

Abstract

ABSTRACT Objective The aim of this study was to obtain data on phrenic neuroconduction and electromyography of the diaphragm muscle in difficult-to-treat asthmatic patients and compare the results to those obtained in controls. Methods The study consisted of 20 difficult-to-treat asthmatic patients compared with 27 controls. Spirometry, maximal inspiratory and expiratory pressure, chest X-ray, phrenic neuroconduction and diaphragm electromyography data were obtained. Results The phrenic compound motor action potential area was reduced, compared with controls, and all the patients had normal diaphragm electromyography. Conclusion It is possible that a reduced phrenic compound motor action potential area, without electromyography abnormalities, could be related to diaphragm muscle fiber abnormalities due to overload activity.

Publisher

FapUNIFESP (SciELO)

Subject

Neurology,Neurology (clinical)

Link

http://www.scielo.br/pdf/anp/v76n3/0004-282X-anp-76-03-0177.pdf

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