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Updated: Oct 20, 2025

Dual-Dye Optical Mapping of Hearts from RyR2R2474S Knock-In Mice of Catecholaminergic Polymorphic Ventricular Tachycardia
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Dual-Dye Optical Mapping of Hearts from RyR2R2474S Knock-In Mice of Catecholaminergic Polymorphic Ventricular Tachycardia

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Pediatric Catecholaminergic Polymorphic Ventricular Tachycardia: A Translational Perspective for the

Dania Kallas1, Avani Lamba1, Thomas M Roston1,2

  • 1British Columbia Children's Hospital Heart Center, 1F9-4480 Oak St., Vancouver, BC V6H 3V4, Canada.

International Journal of Molecular Sciences
|September 10, 2021
PubMed

Insights

Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare inherited heart rhythm disorder. This review summarizes pediatric CPVT data, identifies knowledge gaps, and suggests future research directions for this serious condition.

Area of Science:

  • Cardiology
  • Genetics
  • Pediatric Electrophysiology

Background:

  • Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare, life-threatening inherited arrhythmia.
  • It is triggered by exercise or emotion, causing ventricular tachyarrhythmias.
  • Genetic variants in cardiac ryanodine receptors or calsequestrin 2 are common causes, leading to calcium mishandling in heart cells.

Purpose of the Study:

  • To review current knowledge on pediatric CPVT.
  • To identify gaps in understanding and treatment.
  • To propose future research avenues for clinicians and scientists.

Main Methods:

  • This is a review article.
  • It synthesizes contemporary data on pediatric CPVT.
  • It focuses on knowledge gaps and future research directions.

Main Results:

  • Pediatric CPVT often presents with severe symptoms like cardiac arrest and syncope.
  • Disease onset is typically around age 10.
  • Genetic mutations disrupt calcium handling in cardiomyocytes, leading to arrhythmias.

Conclusions:

  • Pediatric CPVT is a severe condition with imprecise risk stratification and unknown long-term prognosis.
  • Further research is crucial to improve understanding and management of pediatric CPVT.
  • Future directions should focus on addressing current knowledge gaps in this population.

Keywords:
catecholaminergic polymorphic ventricular tachycardiainherited arrhythmiapediatric electrophysiologyprimary electrical diseaseryanodine receptorsudden cardiac deathventricular tachycardia

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