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F.Waagstein等报导了一项关于β-受体阻滞剂治疗扩张型心肌病有安慰剂对照的多中心研究。欧州及北美的33个中心参与了该项研究,时间从1986年～1992年。 本研究观察两个终点:一为从发现心衰到需进行心脏移植;另一终点为死亡率。目的在于了解美多心安(Metoprolol)疗法是否能减少达到上述两
F. Waagstein et al. Reported a multicenter study of placebo-controlled beta-blockers in the treatment of dilated cardiomyopathy. 33 centers in Europe and North America participated in the study, from 1986 to 1992. This study looked at two endpoints: one from heart failure to heart transplant; and the other as death. The purpose is to understand whether Metoprolol therapy can reduce the above two