Why should we care about CARE-HF?

被引:23
作者
Ellenbogen, KA
Wood, MA
Klein, HU
机构
[1] Virginia Commonwealth Univ, Sch Med, Dept Med, Richmond, VA USA
[2] Univ Hosp Magdeburg, Div Cardiol, Magdeburg, Germany
关键词
D O I
10.1016/j.jacc.2005.07.057
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Previous trials of cardiac resynchronization therapy (CRT) have suggested that this therapy can significantly improve functional class and exercise capacity during short-term follow-up. The impact of this therapy on morbidity and mortality has only recently been reported. The Cardiac Resynchronization-Heart Failure (CARE-HF) study has definitively shown that CRT significantly reduces mortality (36%, p < 0.002) in patients with NYHA functional class III and IV heart failure and ventricular dyssynchrony. This study also shows that CRT reverses ventricular remodeling and improves myocardial performance progressively for at least 18 months. In heart failure patients, the CARE-HF and Comparison of Medical Therapy, Pacing, and Defibrillation in Heart Failure (COMPANION) (the earlier major morbidity/mortality trial) studies together show the unequivocal benefit for CRT therapy and CRT therapy with back-up defibrillation to significantly reduce mortality and hospitalization compared with optimal medical therapy. Both studies suggest the benefit of adding the implantable cardiac defibrillator to CRT devices, as over one-third of deaths in the CRT-pacemaker arm of both the COMPANION and CARE-HF studies were sudden.
引用
收藏
页码:2199 / 2203
页数:5
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