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对于经皮穿刺冠脉腔内成形术(PTCA)后即刻冠脉管壁弹性变化情况以往了解甚少。为此,对136名病人的151处扩张的病变部位最狭窄处的管腔截面积成功地进行了
Little is known about the elastic changes of the coronary artery wall immediately after percutaneous transluminal coronary angioplasty (PTCA). To this end, the lumen cross-sectional area of the narrowest part of the 151 dilated lesions of 136 patients was successfully performed