Dual-Phase Increase in Atrial Arrhythmia Prevalence Following Percutaneous Atrial Septal Defect Closure

Brendan J Burke1, Ghazaleh Goldar2,3, Jeevanantham Rajeswaran4

  • 1Children's Institute, Division of Cardiology and Cardiovascular Medicine, Department of Heart, Vascular and Thoracic, Cleveland Clinic Children's, Cleveland, Ohio.

Insights

Older adults undergoing percutaneous atrial septal defect (ASD) closure face a dual-phase risk of atrial arrhythmias (AA) post-procedure. Routine rhythm monitoring is recommended for patients aged 60 and above.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Adult Congenital Heart Disease

Background:

  • Conflicting data exist regarding age at percutaneous atrial septal defect (ASD) closure and subsequent atrial arrhythmias (AA) burden in adults.
  • Predisposing patient-specific factors influencing AA post-ASD closure require further investigation.

Purpose of the Study:

  • To determine the effect of age at ASD closure on the burden of AA post-procedure.
  • To identify patient-specific factors associated with AA development after percutaneous ASD closure.

Main Methods:

  • Analysis of 197 patients who underwent percutaneous ASD closure between January 2010 and July 2022.
  • Utilized a nonlinear logistic temporal decomposition mixed-effects model to analyze longitudinal AA data.
  • Included patient demographics, echocardiographic parameters, and rhythm monitoring records.

Main Results:

  • Postclosure AA exhibited a dual-phase pattern: early peaking and a late rise up to 6 years.
  • Age 60 years or older was linked to higher early and late AA prevalence.
  • Older age, lower E/A ratio, lower ejection fraction, tricuspid regurgitation, RV dysfunction, and RV dilation were associated with increased AA likelihood.

Conclusions:

  • Older patients experience an ongoing dual-phase risk for AA after percutaneous ASD closure.
  • Routine rhythm monitoring is crucial for patients aged 60 years and older post-ASD closure.
Abstract

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