open access

Vol 10, No 2 (2015)
Original Papers
Published online: 2015-05-22
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Assessment of ECG and holter parameters among patients with polymyositis and dermatomyositis

Małgorzata Peregud-Pogorzelska, Maciej Wielusiński, Danuta Bobrowska-Snarska, Jowita Biernawska, Marcin Zakrzewski, Marek Brzosko, Marek Zieliński, Jarosław Kaźmierczak
DOI: 10.5603/FC.2015.0017
·
Folia Cardiologica 2015;10(2):81-84.

open access

Vol 10, No 2 (2015)
Original Papers
Published online: 2015-05-22

Abstract

Introduction. The aim of our study was to determine the electrocardiography (ECG) and holter abnormalities among patients with dermatomyositis (DM) or polymyositis (PM).

Material and methods. We examined 19 patients with PM and 11 patients with DM (23 females) and 30 healthy subjects (22 females). Mean disease duration was 6.5 ± 4.7 years. ECG parameters (QRS, PQ, P wave, conduction disturbances) and heart rate variability data, QT/QTc, ventricular extra beats, creatine kinase, aldolase and lactate dehydrogenase activities were assessed.

Results. We did not observe any statistically significant differences in parameters assessing the autonomic system function, the QT/QTc, ventricular rhythm disorders. Intraventricular conduction disturbances were observed in 16.6% of patients with PM/DM. Finally, there were significant differences when comparing enzyme activities. Higher enzyme activities in DM/PM did not correlate with the diurnal variability of cardiac rhythm.

Conclusions. This suggests no tendency of DM and PM to involve the autonomic nervous system. Conduction disturbances in DM and PM affect mainly the His-Purkinje system.  

Abstract

Introduction. The aim of our study was to determine the electrocardiography (ECG) and holter abnormalities among patients with dermatomyositis (DM) or polymyositis (PM).

Material and methods. We examined 19 patients with PM and 11 patients with DM (23 females) and 30 healthy subjects (22 females). Mean disease duration was 6.5 ± 4.7 years. ECG parameters (QRS, PQ, P wave, conduction disturbances) and heart rate variability data, QT/QTc, ventricular extra beats, creatine kinase, aldolase and lactate dehydrogenase activities were assessed.

Results. We did not observe any statistically significant differences in parameters assessing the autonomic system function, the QT/QTc, ventricular rhythm disorders. Intraventricular conduction disturbances were observed in 16.6% of patients with PM/DM. Finally, there were significant differences when comparing enzyme activities. Higher enzyme activities in DM/PM did not correlate with the diurnal variability of cardiac rhythm.

Conclusions. This suggests no tendency of DM and PM to involve the autonomic nervous system. Conduction disturbances in DM and PM affect mainly the His-Purkinje system.  

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Keywords

polymyositis, dermatomyositis, arrhythmias and conduction disturbances

About this article
Title

Assessment of ECG and holter parameters among patients with polymyositis and dermatomyositis

Journal

Folia Cardiologica

Issue

Vol 10, No 2 (2015)

Pages

81-84

Published online

2015-05-22

DOI

10.5603/FC.2015.0017

Bibliographic record

Folia Cardiologica 2015;10(2):81-84.

Keywords

polymyositis
dermatomyositis
arrhythmias and conduction disturbances

Authors

Małgorzata Peregud-Pogorzelska
Maciej Wielusiński
Danuta Bobrowska-Snarska
Jowita Biernawska
Marcin Zakrzewski
Marek Brzosko
Marek Zieliński
Jarosław Kaźmierczak

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