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Europace Advance Access published online on July 14, 2007
Europace, doi:10.1093/europace/eum138
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© The European Society of Cardiology 2007. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

CASE REPORT

Reversible left ventricular dyssynchrony and dysfunction resulting from right ventricular pre-excitation

Qijun Shan, Yu Jin and Kejiang Cao*

Department of Cardiology, First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing 210029, P.R.China

We report observations in a 7-year-old girl with right ventricular pre-excitation due to an accessory atrioventricular pathway (AP), and depressed cardiac function. Echocardiographic findings consisted of left ventricular (LV) dilatation with asynchronous ventricular wall motion and diminished LV ejection fraction. Electrophysiological study revealed a para-Hisian AP. She underwent successful AP ablation, after which asynchronous ventricular wall motion disappeared. Cardiac size and function were normal after 3 months follow-up. These findings suggest that ventricular pre-excitation leading to asynchronous ventricular motion was a possible cause of LV dilation and dysfunction and that catheter ablation reversed undesirable cardiac remodelling in this patient.

Key Words: Pre-excitation, Accessory pathway, Catheter ablation, Cardiomyopathy

* Corresponding author. Tel: +86 2583672050; fax: +86 2583717168. E-mail address: kjcao{at}njmu.edu.cn

Manuscript submitted 7 April 2007. Accepted after revision 19 June 2007.


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