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[Catecholaminergic polymorphic ventricular tachycardia in adult: a case report]

Y Ben Ameur1, S Kamoun, F Ben Moussa

  • 1Service de Cardiologie, Hôpital Habib Thameur, Tunis.

La Tunisie Medicale
|June 3, 2010
PubMed

Insights

Catecholaminergic polymorphic ventricular tachycardia (CPVT) in adults can present with subtle symptoms like exertion-induced palpitations. Early diagnosis and management, including beta-blockade and ICDs, are crucial for better prognosis.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Genetics

Background:

  • Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare genetic disorder affecting young individuals, causing life-threatening arrhythmias.
  • Typically presenting in childhood or adolescence, CPVT is characterized by exercise- or stress-induced ventricular tachycardia, syncope, and sudden cardiac death.
  • Standard management involves beta-blockers and, in refractory cases, implantable cardioverter-defibrillators (ICDs).

Observation:

  • A 43-year-old male presented with exertional palpitations, leading to the diagnosis of CPVT.
  • Holter ECG monitoring revealed supraventricular tachycardia and nocturnal sinoatrial block.
  • The patient was managed with beta-blockade and an ICD implantation.

Findings:

  • Adult-onset CPVT can manifest with attenuated symptoms, primarily exertional palpitations.
  • Electrocardiographic findings may prominently feature supraventricular arrhythmias and sinus node dysfunction.
  • The prognosis for adult CPVT appears more favorable compared to pediatric cases.

Implications:

  • This case highlights the importance of considering CPVT in adults presenting with unexplained exertional palpitations.
  • Sinus node dysfunction can influence treatment decisions, potentially necessitating ICD implantation alongside beta-blockade.
  • Recognizing atypical presentations of CPVT is vital for timely diagnosis and improved patient outcomes.
Abstract

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