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Erschienen in: Pediatric Cardiology 3/2013

01.03.2013 | Original Article

Dispersion Durations of P-wave and QT Interval in Children With Congenital Heart Disease and Pulmonary Arterial Hypertension

verfasst von: Fatih Şap, Zehra Karataş, Hakan Altin, Hayrullah Alp, Bülent Oran, Tamer Baysal, Sevim Karaarslan

Erschienen in: Pediatric Cardiology | Ausgabe 3/2013

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Abstract

This study aimed to investigate homogeneity disorders of ventricular repolarization and atrial conduction via QT dispersion and P-wave dispersion in children with congenital heart disease (CHD) and pulmonary arterial hypertension (PAH). Three groups of 20 each were generated and involved in this study. The first group included 20 children with both CHD and PAH. The second group consisted of 20 children with CHD but no PAH, and the third group was composed of 20 age- and sex-matched healthy children. Electrocardiographic records were used to determine P-wave, QT, and corrected QT (QTc) dispersions. The pulmonary hypertension group compared with the group having no pulmonary hypertension and the control group showed a significantly longer P-wave dispersion duration (39.10 ± 9.54 vs. 26.30 ± 4.99 ms, p < 0.001; and 24.80 ± 6.94 ms, p < 0.001, respectively) and QT dispersion duration (52.80 ± 15.11 vs. 37.60 ± 6.00 ms, p < 0.001; and 35.00 ± 7.77 ms, p < 0.001, respectively). In addition, the durations of maximum QTc and QTc dispersion were significantly longer in pulmonary hypertension group than in the other two groups. The risk of atrial and ventricular arrhythmia was found to be increased in the patients with both CHD and PAH. Physicians should pay close attention to possible atrial and ventricular arrhythmias during the treatment and follow-up evaluation of these patients.
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Metadaten
Titel
Dispersion Durations of P-wave and QT Interval in Children With Congenital Heart Disease and Pulmonary Arterial Hypertension
verfasst von
Fatih Şap
Zehra Karataş
Hakan Altin
Hayrullah Alp
Bülent Oran
Tamer Baysal
Sevim Karaarslan
Publikationsdatum
01.03.2013
Verlag
Springer-Verlag
Erschienen in
Pediatric Cardiology / Ausgabe 3/2013
Print ISSN: 0172-0643
Elektronische ISSN: 1432-1971
DOI
https://doi.org/10.1007/s00246-012-0503-5

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