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平均年龄56(31～71)岁的29(男25、女4)例胸痛患者经冠(状动)脉造影,甲组12例未见病变,乙组17例均为单支近端局限性狭窄,各例左室喷血分数均大于55％。凡高血压、心脏肥厚、贫血、红细胞增多症、既往心肌梗塞史、瓣膜性心脏病或者造影见侧支循环者已除外。在心房调搏(速率略高于自发性心率)下,分别由心电图触发向左和右冠脉内恒速注入7ml(4ml/sec)和5ml(3ml/sec)37℃的造影剂iopamidol,以便以多投照位作数减电影摄影。冠
The average age of 56 (31-71) years of 29 patients (25 males and 4 females) chest pain by coronary angiography, 12 cases of group A, no lesions, 17 cases of group B were single proximal limitations Narrow, cases of left ventricular ejection fraction were greater than 55%. Patients with hypertension, cardiac hypertrophy, anemia, polycythemia, previous history of myocardial infarction, valvular heart disease or angiography have been excluded. At atrial pacing (at a rate slightly above the spontaneous heart rate), 7 ml (4 ml / sec) and 5 ml (3 ml / sec) of contrast agent iopamidol at 37 ° C were injected at constant speed into the left and right coronary arteries, respectively, Take more shots for the number of subtraction movie photography. crown