Özet:

Objective: Myopericarditis is reported as a benign clinical entity in children and adolescents. However, there is no study investigating specifically the arrhythmias in these children. In the present study, we aimed to investigate the frequency of arrhythmias and conduction disturbances from surface electrocardiography and 24-hour Holter monitor, in children with myopericarditis. Materials and Methods: The medical records of the children with the diagnosis of myopericarditis between 2016 and 2021 were retrospectively reviewed. Clinical features, surface electrocardiography, and 24-hour Holter recordings were evaluated in terms of rhythm and conduction abnormalities. Results: Mean troponin level was 7980.52 ± 14880.27 ng/L at admission. At discharge, the mean troponin level was 8.27 ± 10.73 ng/L and it was above the upper limit of normal in 19/27 (70.4%) patients. Surface electrocardiography was normal in terms of arrhythmias and conduction disturbances in all patients. Twentyfour-hour Holter monitarization was found to be normal in 23 patients. In 4 patients, there were clinically insignificant arrhythmias; nonsustained accelerated idioventricular rhythm=1, ventricular couplet with low rate=1, infrequent supraventricular premature contractions=1, and infrequent ventricular premature contractions+Wenckebach type atrioventricular block=1. Conclusion: Our findings support that myopericarditis is a benign clinical problem in children also in terms of arrhythmia

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