Abstract

Heart failure is an increasingly prevalent disease associated with high morbidity and mortality. In 30–40% of patients, the etiology is non-ischemic. In this group of patients, the implantable cardioverter-defibrillator (ICD) prevents sudden death and decreases total mortality. However, due to burden of cost, the fact that many ICD patients will never need any therapy, and possible complications involved in implant and follow-up, the device should not be implanted in every patient with non-ischemic heart failure. There is an urgent need to adequately identify patients with highest sudden death risk, in whom the implant is most cost-effective. In the present paper, the authors discuss current available tests for risk stratification of sudden cardiac death in patients with non-ischemic heart failure.

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