水化联合前列地尔预防老年冠心病患者冠脉造影后造影剂肾病的效果观察
수화연합전렬지이예방노년관심병환자관맥조영후조영제신병적효과관찰
Efficacy of Hydration and Alprostadil Prevention of Coronary Heart Disease in Elderly Patients with Coronary Angiography after Contrast-induced Nephropathy (CAN)