For Whom the Bell Tolls : Refining Risk Assessment for Sudden Cardiac Death
Abstract
Sudden cardiac death is one of the most important causes of death worldwide. Advancements in medical treatment, percutaneous interventions, and device therapy (ICD and CRTD) showed consistent reduction in mortality, mainly in survivors of SCD and in patients with ischemic cardiomyopathy and depressed left ventricular function. Patients with non-ischemic cardiomyopathies, mildly reduced LV function, and channelopathies have increased risk for SCD. Identifying the subgroup of these patients before they experience life-threatening or fatal events is essential to further improve outcomes. In this review, we aimed to summarize the current knowledge for risk stratification and primary prevention, to describe the gaps in evidence, and to discuss future directions for screening and treating patients at risk for SCD. PURPOSE OF REVIEW: The purpose of this review is to provide a comprehensive description of the etiologies of sudden cardiac death, risk stratification strategies, and to describe the current medical and interventional therapies. We aimed to discuss the current gaps in our knowledge of primary prevention of SCD and to review novel approaches and interventions. RECENT FINDINGS: The incidence of SCD has decreased in the last t...Continue Reading
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