Evaluation of the Need of Elective Implantable Cardioverter-Defibrillator Generator Replacement in Primary Prevention Patients Without Prior Appropriate ICD Therapy

Study Questions:

What are the incidence and predictors of appropriate implantable cardioverter-defibrillator (ICD) therapy after device replacement in patients who received their initial ICD for primary prevention and never experienced an appropriate ICD therapy during the first generator longevity?