正常情况下，窦房结产生规律的电脉冲，传入各心房，再带动细胞同步收缩。
Normally the sinoatrial node generates regular electrical pulses that spread across the Chambers of the heart, causing the cells to contract in synchrony.
此类治疗通过对心脏左右两部分的刺激来实现二者的同步收缩，进而改善心跳。
This involves stimulating both the left and right sides of the heart, in order to synchronise their contraction. That, in turn, improves the pumping action.
结论：干细胞治疗对恢复急性心肌梗死患者左心室同步收缩有良好的作用。
Conclusion: Stem cell therapy had a favourable effect on the restoration of LV synchronous contraction in patients with AMI.
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