Conclusion The hypothermia,extracorporeal circulation,clamp of aorta and drugs,etc.can lead to decrease of HRV in cardiac surgery.The resume of autonomic cardioneural system was a slow process.
结心脏手术、体外循环、低温、主动脉阻断及药物因素可导心率变异性下降,而术后心脏自主神经系统的恢复是慢的过程。
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