Significance of Tp-Te interval for risk stratification of ventricular premature contractions in children / 中国当代儿科杂志
Chinese Journal of Contemporary Pediatrics
;
(12): 1014-1017, 2013.
Artigo
em Chinês
| WPRIM
| ID: wpr-345658
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the significance of Tp-Te interval for risk stratification of ventricular premature contractions (VPC) in children.</p><p><b>METHODS</b>A total of 120 children with VPC were divided into benign VPC (n=40), organic disease (n=40) and ventricular parasystole groups (n=40) according to the etiology of VPC; another 40 children who underwent physical examination were selected as the normal control group. The four groups were compared in terms of Tp-Te intervals and Tp-Te/QT ratios in leads V3, V4 and V5.</p><p><b>RESULTS</b>The Tp-Te interval in lead V3 was significantly longer in the organic disease group than in the other groups (P<0.05), the benign VPC group had a significantly shorter Tp-Te interval in lead V4 than the normal control and organic disease groups (P<0.05), and the organic disease group had a significantly longer Tp-Te interval in lead V5 than the benign VPC group (P<0.05). The Tp-Te/QT ratios in leads V3-V5 were significantly higher in the organic disease group than in the other groups (P<0.05). The Tp-Te/QT ratios in leads V4 and V5 showed significant differences between the ventricular parasystole and benign VPC groups (P<0.05).</p><p><b>CONCLUSIONS</b>Tp-Te interval is susceptible to changes in heart rate, and it is of little value for the risk stratification of VPC in children. Tp-Te/QT ratio, however, may be used as an important non-invasive index for clinical risk stratification of VPC in children and is worthy of further study.</p>
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Risco
/
Complexos Ventriculares Prematuros
/
Eletrocardiografia
/
Frequência Cardíaca
Tipo de estudo:
Estudo de etiologia
/
Estudo prognóstico
/
Fatores de risco
Limite:
Adolescente
/
Criança
/
Criança, pré-escolar
/
Feminino
/
Humanos
/
Lactente
/
Masculino
Idioma:
Chinês
Revista:
Chinese Journal of Contemporary Pediatrics
Ano de publicação:
2013
Tipo de documento:
Artigo
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