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Catheter ablation for premature ventricular contractions and ventricular tachycardia in patients with heart failure.

Abstract
Ventricular arrhythmias (VA) are a significant contributor to morbidity and mortality in patients with heart failure (HF). Implantable cardioverter defibrillators are effective in reducing mortality, but do not prevent arrhythmia recurrence. There is increasing recognition that frequent premature ventricular contractions or repetitive ventricular tachycardia may also lead to new onset ventricular dysfunction or deterioration of ventricular function in patients with pre-existing HF. Suppression of the arrhythmia may lead to recovery of ventricular function. Catheter ablation has emerged as a safe and effective treatment option for reducing arrhythmia recurrence and for suppression of PVCs but its efficacy is governed by the nature of the arrhythmias, the underlying HF substrate and the accessibility of the arrhythmia substrates to ablation.
AuthorsSaurabh Kumar, William G Stevenson, Roy M John
JournalCurrent cardiology reports (Curr Cardiol Rep) Vol. 16 Issue 9 Pg. 522 (Sep 2014) ISSN: 1534-3170 [Electronic] United States
PMID25059465 (Publication Type: Journal Article, Review)
Topics
  • Catheter Ablation (methods)
  • Electrocardiography
  • Heart Failure (complications, physiopathology)
  • Humans
  • Patient Selection
  • Tachycardia, Ventricular (complications, physiopathology, surgery)
  • Treatment Outcome
  • Ventricular Premature Complexes (complications, physiopathology, surgery)

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