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Related Experiment Video

Updated: Jan 16, 2026

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

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High-density mapping for AVNRT ablation with distorted conduction system anatomy post-ASD device closure-case report.

Subhrajit Lahiri1, Maya Baman1, Robert M Huibonhoa1

  • 1Division of Pediatric Cardiology, Department of Pediatrics, University of Illinois College of Medicine, 1 Illini Drive, Peoria, IL, 61605, USA.

Indian Pacing and Electrophysiology Journal
|September 25, 2025
PubMed
Summary
This summary is machine-generated.

Transcatheter closure of atrial septal defects (ASDs) can lead to arrhythmias like AVNRT due to device interference. High-density mapping is crucial for diagnosing and treating these post-procedural complications, ensuring patient safety and optimal outcomes.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Pediatric Congenital Heart Disease
Keywords:
ASDAVNRTConduction defectsDevice closureHigh-density mapping

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Background:

  • Atrial septal defects (ASDs) are common congenital heart defects, with transcatheter closure being a preferred minimally invasive treatment.
  • Transcatheter ASD closure carries a 7-10% risk of post-procedural arrhythmias, such as bradyarrhythmias and tachyarrhythmias.
  • Arrhythmias can result from mechanical interference with cardiac conduction tissues or device-induced reentrant circuits.