Objective To explore the clinical management effect of anaesthesia and extracorporeal circulation in valve replacement of heart aorta.

目的探讨主动脉瓣膜置换术的麻醉及体外循环管理效果。

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OBJECTIVE To evaluate the effects of beating heart mitral valve replacement (MVR) with mild hypothermia extracorporeal circulation (ECC) on immune functions.

目的探讨浅低温体外循环心脏跳动中二尖瓣置换术(MVR)对机体免疫功能的影响。

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