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Clinical features and arrhythmic complications of patients with pediatric-onset arrhythmogenic right ventricular dysplasia [Anatol J Cardiol]
Anatol J Cardiol. 2019; 22(2): 60-67 | DOI: 10.14744/AnatolJCardiol.2019.56985  

Clinical features and arrhythmic complications of patients with pediatric-onset arrhythmogenic right ventricular dysplasia

Fatma Sevinç Şengül1, Gülhan Tunca Şahin1, Senem Özgür1, Hasan Candaş Kafalı1, Okan Akıncı2, Alper Güzeltaş1, Yakup Ergül1
1Departments of Pediatric Cardiology,Sağlık Bilimleri University, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Center; İstanbul-Turkey
2Department of Radiology, Sağlık Bilimleri University, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Center; İstanbul-Turkey

Objective: Arrhythmogenic right ventricular dysplasia (ARVD) is a myocardial genetic disease that occurs primarily in the right ventricle. Patients with ARVD may present with severe ventricular arrhythmias, syncope, and cardiac arrest. The purpose of this study is to evaluate the clinical features and arrhythmic complications of patients with pediatric-onset ARVD.
Methods: Patients diagnosed with ARVD between January 2010 and January 2019 were included in this study.
Results: A total of 19 patients with ARVD were evaluated. Of them, 15 patients were male, and their mean age was 12±4 years. The most common symptoms were palpitations (n=6), syncope (n=4), and heart failure symptoms (n=2). Five patients were asymptomatic. Thirteen patients had an epsilon wave; all patients ≥14 years had a T wave inversion in V1–3. Premature ventricular contractions (PVCs) were observed in 15 patients, and ventricular tachycardia (VT) was observed in 9 patients. All patients underwent cardiac magnetic resonance imaging (MRI). Echocardiography and cardiac MRI of two patients were normal at the time of admission; patients were in the concealed phase, and the diagnosis was made by ECG, Holter monitoring, and genetic findings. We administered a beta-blocker in all patients. Two patients underwent an electrophysiological study and ablation because of PVC/VT. An implantable cardiac defibrillator was implanted in 8 patients. The mean follow-up period was 21.5±11 months. Two patients were deceased with incessant VT and heart failure, and one patient was deceased with multiorgan dysfunction after biventricular assist device implantation (n=3).
Conclusion: Diagnosis of pediatric-onset ARVD might be much more difficult in children. Sudden cardiac death might be prevented in the early period by raising the awareness of physicians about the disorder. Prevention of sudden death with implantable cardiac defibrillators is crucial in the management of these patients. It should be kept in mind that children with structurally normal hearts may present with an earlier concealed phase and can be diagnosed with ARVD.

Keywords: Arrhythmogenic right ventricular dysplasia, children, ventricular arrhythmia.


Fatma Sevinç Şengül, Gülhan Tunca Şahin, Senem Özgür, Hasan Candaş Kafalı, Okan Akıncı, Alper Güzeltaş, Yakup Ergül. Clinical features and arrhythmic complications of patients with pediatric-onset arrhythmogenic right ventricular dysplasia. Anatol J Cardiol. 2019; 22(2): 60-67

Corresponding Author: Fatma Sevinç Şengül, Türkiye


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