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对25名不稳定性心绞痛病人和25名稳定性心绞痛病人做了经皮腔内冠状动脉血管成形术(PTCA)。每组患单支、双支和三支血管病的发生率相同。不稳定性心绞痛病人进行的27次手术中有22次(81％)获得成功,稳定性心绞痛病人进行的27次手术中有14次(52％)获得成功。9名病人出现血管闭塞,4名病人需作紧急搭桥手术。每组中有3名病人有心肌梗塞的证据,不稳定性心绞痛组有一名病人治疗后
Percutaneous transluminal coronary angioplasty (PTCA) was performed on 25 patients with unstable angina and 25 patients with stable angina. The incidence of single, double and triple vessel disease in each group was the same. Twenty-two (81%) of the 27 procedures performed in patients with unstable angina have been successful, and 14 (52%) of the 27 procedures performed in patients with stable angina have been successful. Nine patients had vascular occlusion and four required emergency bypass surgery. Three patients in each group had evidence of myocardial infarction and one patient in the unstable angina group was treated