Methods: Using thoracic part extradural block to 56 DCM patients for 4 ~ 8weeks.
方法：对5 6例扩张型心肌病心衰患者进行胸段硬膜外阻滞4 ~8周。
Objective: Observe curative effect of high extradural block to dilated cardiomyopathy (DCM), explore curative mechanism of it.
目的：观察高位硬膜外阻滞对扩张型心肌病(DCM)心衰的疗效，探讨其治疗机理。
Objective: Observe curative effect of high extradural block to dilated cardiomyopathy (DCM), explore curative mechanism of it.
目的：观察高位硬膜外阻滞对扩张型心肌病(DCM)心衰的疗效，探讨其治疗机理。
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