Preoperative course

• 围手术期

Preoperative course的用法和样例：

例句

1. Also, more trials are needed to identify specific subsets of patients in whom preoperative coronary revascularization might reduce perioperative and long-term events, he notes.
   同时，需要更多的试验，确定特定的患者群中术前行冠状动脉血管重建术可减少围手术期和长期的心脏事件，他指出。