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.
结论心脏手、体外循环、低温、主动脉阻断及药物因素可导致心率变异性下
,
后心脏自主
经系统的恢
个缓慢的过程。