OBJECTIVE To summarize the clinical experience of cardiopulmonary bypass in double valve replacement.
目的回顾性总结主动脉瓣和二尖瓣联合瓣膜置换术的体外循环经验。
So a new design scheme about double valve compensation feedback control system based on adaptive load is proposed.
基于这种情况，本课题提出了基于负载自适应的流量伺服阀和电液比例溢流阀双阀反馈补偿控制方案。
Objective To investigate the influence of rehabilitation intervention on patients with cardiac double valve replacement.
目的观察康复护理对心脏双瓣膜置换术后患者早期康复的影响。
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