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Bradyarrhythmias in Congenital Heart Disease

Steven K Carlson1, Akash R Patel2, Philip M Chang3

  • 1Clinical Cardiac Electrophysiology, Keck Hospital of USC, Keck School of Medicine of the University of Southern California, 1510 San Pablo Street, Suite 322, Los Angeles, CA 90033, USA.

Cardiac Electrophysiology Clinics
|May 2, 2017
PubMed

Insights

Bradyarrhythmias in adults with congenital heart disease (CHD) are complex and occur across all ages and defect types. While permanent pacing is effective, it carries significant complications and morbidity.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Electrophysiology

Background:

  • Bradyarrhythmias are common in adults with congenital heart disease (CHD).
  • These arrhythmias stem from both congenital and acquired causes.
  • They present unique challenges due to variable CHD defects and patient ages.

Purpose of the Study:

  • To review the incidence and prevalence of bradyarrhythmias in the CHD population.
  • To analyze the timing of bradyarrhythmia occurrence relative to specific CHD entities and interventions.
  • To discuss the short- and long-term clinical sequelae of bradyarrhythmias in CHD.

Main Methods:

  • Literature review focusing on bradyarrhythmias in adults with congenital heart disease.
  • Analysis of data regarding prevalence, timing, and clinical outcomes.
  • Synthesis of information on treatment complications and morbidity associated with permanent pacing.

Main Results:

  • Bradyarrhythmias occur across the spectrum of CHD defects and at all ages.
  • Permanent pacing, while effective, is linked to substantial complications and morbidity.
  • Understanding the timing and sequelae is crucial for managing these patients.

Conclusions:

  • Bradyarrhythmias in adults with CHD require careful consideration due to their complexity.
  • Treatment strategies, including pacing, must weigh efficacy against potential complications.
  • Further research into optimal management and long-term outcomes is warranted.

Keywords:
Atrioventricular blockBrady arrhythmiaConduction system defectsCongenital heart diseaseSinus node dysfunction

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