Objective To observe the shape and function changes of right atrium (ra) and right ventricle (rv) after closure ASD in transcatheter.

目的观察房间隔缺损(asd)经右心导管行封堵术后，右心房(RA)、右心室(RV)形态及功能的变化。

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Objective To observe functional changes of the right ventricle (RV) during off-pump coronary bypass grafting (OPCABG) by using a continuous cardiac output (CCO) monitoring.

目的应用连续心排血量测定的方法，观察在进行非体外循环冠状动脉旁路移植术（OPCABG）中右心功能的变化。

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