当然没有任何一个模拟手术可以接好手臂骨折，或清除动脉血管里的凝块。
No simulation could set a broken arm, of course, or clear a blocked artery.
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。
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.
目的：为应用第一穿动脉血管蒂骨瓣转位修复股骨上段骨缺损提供解剖学依据及手术方法。
Objective: t supply anatomical basis and operative method for the repair of upper femur incomplete with vessel pedicled bone flap of first perforating artery.
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