目的评价经皮冠状动脉介入治疗(pci)对伴左心室收缩功能不全的冠状动脉慢性完全闭塞(CTO)患者左室重构及心功能的影响。
Objective to evaluate the effect of percutaneous coronary intervention (PCI) on left ventricular systolic function in patients with chronic total occlusion (CTO) and left ventricular dysfunction.
方法：通过给予普通型和长效型钙离子拮抗剂，观察对慢性心功能不全病人的左室收缩与舒张功能的影响。
Method We observed the the effect of administering general and long-effect calcium antagonists on cardiac systolic and diastolic functions.
方法：通过给予普通型和长效型钙离子拮抗剂，观察对慢性心功能不全病人的左室收缩与舒张功能的影响。
Method We observed the the effect of administering general and long-effect calcium antagonists on cardiac systolic and diastolic functions.
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