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Assessment of atrial electromechanical delay in children with acute rheumatic fever

Published online by Cambridge University Press:  12 November 2012

Murat Çiftel ,
Özlem Turan ,
Ayşe Şimşek ,
Fırat Kardelen ,
Gayaz Akçurin  and
Halil Ertuğ
Murat Çiftel*
Affiliation:
Department of Pediatric Cardiology, Faculty of Medicine, Akdeniz University, Antalya, Turkey
Özlem Turan
Affiliation:
Department of Pediatric Cardiology, Faculty of Medicine, Akdeniz University, Antalya, Turkey
Ayşe Şimşek
Affiliation:
Department of Pediatric Cardiology, Faculty of Medicine, Akdeniz University, Antalya, Turkey
Fırat Kardelen
Affiliation:
Department of Pediatric Cardiology, Faculty of Medicine, Akdeniz University, Antalya, Turkey
Gayaz Akçurin
Affiliation:
Department of Pediatric Cardiology, Faculty of Medicine, Akdeniz University, Antalya, Turkey
Halil Ertuğ
Affiliation:
Department of Pediatric Cardiology, Faculty of Medicine, Akdeniz University, Antalya, Turkey
*
Correspondence to: M. Çiftel, Specialist Doctor, Department of Pediatric Cardiology, Faculty of Medicine, Akdeniz University, Dumlupınar Boulevard, Antalya 07058, Turkey. Tel: +90 0 242 2274343; Fax: +90 0 242 2274482; E-mail: [email protected]
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Abstract

Purpose

There may be an increase in the risk of atrial arrhythmia due to left atrial enlargement and the influence on conduction system in acute rheumatic fever. The aim of this study is to investigate atrial electromechanical delay and P-wave dispersion in patients with acute rheumatic fever.

Patients

A total of 48 patients diagnosed with acute rheumatic fever and 40 volunteers of similar age, sex, and body mass index were included in the study. The study groups were compared for M-mode echocardiographic parameters, interatrial electromechanical delay, intra-atrial electromechanical delay, and P-wave dispersion.

Results

Maximum P-wave duration, P-wave dispersion, and interatrial electromechanical delay were significantly higher in patients with acute rheumatic fever compared with the control group (p < 0.001). However, there was no difference in terms of intra-atrial electromechanical delay (p > 0.05). For patients with acute rheumatic fever, a positive correlation was identified between the left atrium diameter and the P-wave dispersion and interatrial electromechanical delay (r = 0.524 and p < 0.001, and r = 0.351 and p = 0.014, respectively). Furthermore, an important correlation was also identified between the P-wave dispersion and the interatrial electromechanical delay (r = 0.494 and p < 0.001).

Conclusion

This study shows the prolongation of P-wave dispersion and interatrial electromechanical delay in acute rheumatic fever. Left atrial enlargement can be one of the underlying reasons for the increase in P-wave dispersion and interatrial electromechanical delay.

Keywords

P-wave dispersionacute rheumatic feveratrial electromechanical delay
Type
Original Articles
Information
Cardiology in the Young , Volume 24 , Issue 1 , February 2014 , pp. 27 - 32
Copyright
Copyright © Cambridge University Press 2012 

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