open cardiac operation

• 心内直视手术

open cardiac operation的用法和样例：

例句

1. Michael DeBakey was a pioneer of open heart surgery, which has saved countless lives.
   迈克尔是心内直视手术的开创者，救了无数人的生命。
2. Objective The protective effects of shenfu injection on myocardial cell damagewere observed in patients undergoing open heart surgery.
   目的观察参附注射液对体外循环下心内直视手术患者心肌损伤标志物的影响。