Role of “Single Shock” ICD for Primary Prevention of Sudden Death in Heart Failure Patients
When implantable cardioverter defibrillators (ICDs) were first introduced, ICD therapy was offered only to those patients who already had experienced an episode of ventricular fibrillation (VF). The dilemma of this approach in the particular field of ICD therapy, however, is that only a few per cent of patients survive their first VF episode. In other words, only a few thousand out of the400 000annual victims of sudden cardiac death in the USA have the chance to be treated with an ICD [1,2].However, if patients at an elevated risk were identifiedbeforethey have their first VF episode and were implanted with an ICD prophylactically, the incidence of sudden cardiac death could be reduced.
KeywordsSudden Cardiac Death Ventricular Fibrillation Heart Failure Patient Implantable Cardioverter Defibrillator Single Shock
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