Use of ivabradine and atorvastatin in emergent orthopedic lower limb surgery and computed tomography coronary plaque imaging and novel biomarkers of cardiovascular stress and lipid metabolism for the study and prevention of perioperative myocardial infarction: study protocol for a randomized controlled trial

伊伐布雷定和阿托伐他汀在紧急骨科下肢手术和计算机断层冠状动脉斑块成像以及心血管应激和脂质代谢的新生物标志物在研究和预防围手术期心肌梗死中的应用：一项随机对照试验的研究方案