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      Recurrence Risk of Supraventricular Tachycardia in Pediatric Patients


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          We analyzed risk of recurrence of supraventricular tachycardia (SVT) in 70 pediatric patients using both Kaplan-Meier survival analysis and logistic regression of likelihood of recurrence, each with covariates: (1) age at onset of SVT; (2) presence of Wolff-Parkinson-White syndrome (WPW), and (3) gender. Among 38 patients who had onset of SVT <1 year, only 11 had a recurrence, while among 32 older patients, 30 had a recurrence of SVT (p < 0.00001, Fisher’s exact test). The survival analyses, stratified by age at onset <1 versus >1 year, were significantly different (p < 0.0001) as was stratification by presence of WPW (p < 0.01). Logistic regression analysis showed that the only significant predictor of recurrence was age at onset; the additional information provided by presence of WPW and gender did not significantly add to the prediction of recurrence. The odds ratio of recurrence for age at onset >1 versus <1 year was 34.6, with a 95% confidence interval of 6.98–172.

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          Cardiac conduction system: fetal and postnatal development.


            Author and article information

            S. Karger AG
            June 1999
            18 June 1999
            : 91
            : 1
            : 25-30
            a Department of Cardiology, University of Michigan Medical School, Ann Arbor, Mich., bWayne State University School of Medicine, Detroit, Mich., USA
            6873 Cardiology 1999;91:25–30
            © 1999 S. Karger AG, Basel

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            Page count
            Figures: 2, Tables: 3, References: 13, Pages: 6
            Arrhythmias, Electrophysiology and Electrocardiography


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