有关扩张型、充血性心肌病的研究和治疗曾主要集中于临床症状已明显的疾病后阶段。虽则新的正性心肌收缩药物和周围血管扩张剂的发展应用使充血性心力衰竭的治疗有所改善,但是这些方法主要是减轻症 Research and treatment of dilated, congestive cardiomyopathy have focused primarily on the post-disease phase in which clinical symptoms have become apparent. Although the development and application of new positive myocardial contractile drugs and peripheral vasodilators has led to an improvement in the treatment of congestive heart failure, these methods are mainly to relieve the disease