Management of Inherited Arrhythmia Syndromes: A HiRO Consensus Handbook on Process of Care

Mikyla L Janzen1, Brianna Davies1, Zachary W M Laksman1

  • 1Centre for Cardiovascular Innovation, Division of Cardiology, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.

CJC Open
|May 1, 2023
PubMed

Insights

Inherited arrhythmia syndromes can cause sudden cardiac death. This guide offers consensus care pathways for diagnosing and managing these genetic heart conditions in patients and families.

Area of Science:

  • Cardiology
  • Genetics
  • Public Health

Background:

  • Inherited arrhythmia syndromes are rare genetic disorders predisposing individuals to sudden cardiac arrest and death.
  • The Hearts in Rhythm Organization is a Canadian network dedicated to improving care for inherited cardiac conditions.
  • The field is rapidly advancing with new research discoveries.

Purpose of the Study:

  • To provide a practical, streamlined guide for diagnosing and managing pediatric and adult patients with inherited cardiac conditions.
  • To improve health system utilization, clinical management, and research in this area.
  • To offer consensus care pathways for common inherited arrhythmia syndromes.

Main Methods:

  • Review of current research and clinical practices.
  • Development of consensus care pathways for 7 specific inherited cardiac conditions.
  • Inclusion of scenarios to guide investigation, diagnosis, risk stratification, and management.
  • Provision of an approach for sudden cardiac arrest, sudden unexpected death, and family member management.

Main Results:

  • Consensus care pathways are provided for 4 common inherited cardiac conditions predisposing to arrhythmia: Brugada syndrome, long QT syndrome, arrhythmogenic right ventricular cardiomyopathy, and catecholaminergic polymorphic ventricular tachycardia.
  • A framework is offered for investigating and managing sudden cardiac arrest, sudden unexpected death, and first-degree relatives.
  • Referral to specialized cardiogenetic clinics is recommended in most cases.

Conclusions:

  • This review provides a practical framework for standardized, high-quality, multidisciplinary care for inherited cardiac conditions.
  • The guide is intended for clinicians, researchers, patients, families, and allied health professionals.
  • Implementation of these pathways can enhance care and research for individuals affected by inherited arrhythmia syndromes.

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