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KMID : 0882420170920010017
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Korean Journal of Medicine
2017 Volume.92 No. 1 p.17 ~ p.23
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Implantable Cardioverter-defibrillator for Primary Prevention of Sudden Cardiac Death in Non-ischemic Cardiomyopathy
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Kim Mi-Na
Park Seong-Mi
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Abstract
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The insertion of implantable cardioverter-defibrillators (ICD) in patients with non-ischemic cardiomyopathy (NICM) has been recommended by recent guidelines. However, current evidence shows limited benefits to inserting ICDs in patients with NICM. Recently, the defibrillator implantation in patients with non-ischemic systolic heart failure (DANISH) trial, a large randomized trial of more than 1,100 patients with NICM, was conducted to compare the primary prevention of all-cause mortality between optimal medical therapy, cardiac resynchronization therapy, and ICD implantation. The DANISH trial revealed no differences in all-cause mortality between the groups after 5 years. However, in patients younger than 68 years of age, the rate of death from any cause was significantly lower in the ICD group compared to the control group. In addition, the rate of sudden cardiac death was lower in the ICD group compared to the control group in patients under 68 years. The results of DANISH will likely change guidelines about the insertion of ICD in patients with NICM, and encourage the use of ICD in patients with NICM.
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KEYWORD
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Implantable cardioverter-defibrillator, Non-ischemic cardiomyopathy, Sudden cardiac death, Primary prevention
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