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Related Experiment Videos

[Persistent supraventricular tachycardia in childhood].

A Agnetti, L Zavota, F De Luca

    La Pediatria Medica E Chirurgica : Medical and Surgical Pediatrics
    |March 1, 1986
    PubMed
    Summary

    Persistent junctional reciprocating tachycardia (PJRT) in children is often asymptomatic and resistant to typical treatments. However, this supraventricular tachycardia form typically resolves over time, suggesting a benign prognosis.

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    Area of Science:

    • Pediatric Cardiology
    • Cardiac Electrophysiology
    • Arrhythmology

    Context:

    • Persistent supraventricular tachycardia (PSVT) affects 20-30% of pediatric SVT cases.
    • Two primary PSVT forms include atrial ectopic tachycardia and persistent junctional reciprocating tachycardia (PJRT).
    • PJRT can be asymptomatic, leading to occasional diagnosis, and may persist for months or years.

    Purpose:

    • To present and discuss 9 pediatric cases of PJRT diagnosed between 1972 and 1985.
    • To analyze the clinical course, treatment outcomes, and long-term prognosis of PJRT in children.
    • To highlight PJRT's resistance to conventional antiarrhythmic drugs and recommend treatment to prevent heart failure.

    Summary:

    • The study reviewed 9 pediatric PJRT cases with a mean follow-up of 9.5 years.

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  • PJRT demonstrated significant resistance to standard antiarrhythmic therapies.
  • Despite treatment challenges, the prognosis for PJRT is generally benign, with spontaneous resolution common in most cases.

    • Impact:

    • Informs clinical management of pediatric PSVT, specifically PJRT.
    • Underscores the need for antiarrhythmic treatment to mitigate risks like congestive heart failure.
    • Provides long-term outcome data, supporting a favorable prognosis for PJRT in children.