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在美国冠状动脉造影已成为不可缺少的常规诊断技术.国家保健技术中心最近报告,1980年全国共进行冠状动脉造影近30万次,耗费6～9亿美元.冠状动脉邻近心脏,并随之活动,形成造影剂选择性注入动脉和清晰摄片记录等困难,因而冠状动脉造影的开展远远落后于肢体动脉、主动脉和肾、脑、肺动脉的选择性造影.1945年Radner S首次报告直接主动脉弓穿刺,经导管快速注入造影剂到升主动脉,造影结果不满意.1950～1960年企图用短暂
Coronary angiography has become an indispensable routine diagnostic technique in the United States, and the National Center for Health Care Technology recently reported that nearly 300,000 coronary angiography had been performed nationwide in 1980, costing between $ 600 million and $ 900 million. The coronary artery was adjacent to the heart and was followed , The formation of contrast selective injection of arteries and clear radiography records and other difficulties, and thus carry out coronary angiography far behind the arteries, aorta and kidney, brain, pulmonary artery selective contrast Radione S for the first time in 1945 reported aortic arch Puncture, rapid injection of contrast agent through the catheter to the ascending aorta, angiography results are not satisfied .1959 ~ 1960 attempted to use transient