Risk Stratification Beyond Left Ventricular Ejection Fraction: Role of Cardiovascular Magnetic Resonance

Research output: Chapter in Book/Published conference outputChapter

Abstract

Sudden cardiac death (SCD) is a major health problem worldwide. The majority of cases are due to ventricular tachycardia (VT) or ventricular fibrillation (VF). The left ventricular ejection fraction (LVEF) has been adopted as a criterion for the risk stratification of patients at risk of SCD and for the prescription of implantable cardioverter defibrillator (ICD) therapy. However, most patients succumbing to SCD fall outside current indications for primary prevention ICD implantation and most ICD recipients do not receive therapy from the device. Cardiovascular magnetic resonance (CMR), the gold standard for the characterization of myocardial phenotypes, can identify myocardial scar, a substrate of ventricular arrhythmias. This review focuses on how CMR can contribute to the arrhythmic risk stratification and how it may help in selecting patients for an ICD.
Original languageEnglish
Title of host publicationClinical Controversies in Device Therapy for Cardiac Arrhythmias
EditorsJonathan S. Steinberg, Andrew E. Epstein
PublisherSpringer
Pages11-25
ISBN (Electronic)978-3-030-22882-8
ISBN (Print)978-3-030-22881-1
DOIs
Publication statusPublished - 27 Sep 2019

Keywords

  • Sudden cardiac death
  • Implantable cardioverter defibrillator
  • Cardiovascular magnetic resonance
  • Myocardial fibrosis
  • Scar burden

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