结论微血管性心绞痛是由于小冠状动脉扩张贮备降低或异常收缩而导致的心肌缺血。
Conclusion Reduced vasodilator reserve or inappropriate vasoconstriction of the coronary microvessels are implicated as causes of microvascular angina.
左心室收缩、舒张、顺应性和心泵贮备功能各指标均明显降低。
Mean-while, all of the parameters of left ventricular con-tractility, relaxation, compliance and cardiac re-serve function decreased significantly.
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