Right coronary artery from the left sinus of valsalva:Multislice CT and transradial PCI

A 42-year-old-woman presented with de novo crescendo angina.Thallium-scintigraphy showed inferior ischemia.Coronary angiogram revealed a right coronary artery(RCA),originating from the left sinus of Valsalva with a severe proximal systolic compression.She underwent successful transradial percutaneous coronary intervention with stent implantation.Multislice-computed tomography(MSCT) is usually used to evaluate coronary artery anomalies and can effectively show the anomalous RCA and the inter-arterial trajectory between the aorta and pulmonary arteries.Anomalies of the origin of the coronary arteries are rare,but can produce specific clinicopathological entities that should be diagnosed with accuracy.This case report illustrates the role of MSCT in the detailed description of an abnormal coronary artery and the use of stenting for symptoms relief.

冠状动脉血流储备分数测量对稳定型/不稳定型心绞痛、非ST段抬高型/ST抬高型急性心肌梗死或不典型胸痛患者延期血运重建的作用

本项研究确定根据血流储备分数(FFR)≥0.75而延期行冠状动脉血运重建的安全性。研究对象为一组连续、未经筛选的中等程度冠状动脉病变的冠心病患者,包括不稳定型心绞痛、心肌梗死(MI)和(或)无创性检查结果阳性的患者。研究纳入了201例连续的冠心病病例(平均年龄62±10岁,65%为男性);共有231处病变,测定病变的FFR,对FFR≥0.75的病变延期行血运重建。与无创性检查结果阳性相关的病变是指位于支配某一心肌区域的动脉病变,该区域的心肌缺血经无创性检查证实。