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急性心肌梗塞4例病人在溶栓后行经皮冠状动脉腔内成形术(PTCA)治疗,其中2例即刻 PTCA,2例择期 PTCA。溶栓后冠脉造影显示一例90%LAD 近心端狭窄、一例95%LAD 中段狭窄,一例右冠状动脉近心端90%狭窄,一例右冠状动脉中段90%残留狭窄。成功4例 PTCA 治疗后仅存10%～30%的狭窄,运动试验均阴性,经12至18个月随访中,无一例发生心绞痛及再梗塞。4周后超声心动图检查未发现心脏增大及心脏局部低动力表现。
Four patients with acute myocardial infarction underwent percutaneous transluminal coronary angioplasty (PTCA) after thrombolytic therapy, of which two were immediate PTCA and two were PTCA. Coronary angiography after thrombolysis showed a case of proximal stenosis of 90% of LAD, a middle stenosis of 95% of LAD, a stenosis of 90% proximal to the right coronary artery, and a residual stenosis of 90% in the middle right coronary artery. Of the 4 successful PTCA cases, only 10% to 30% of the remaining stenoses were found. All of them were negative in exercise test. None of them developed angina and re-infarction after 12 to 18 months of follow-up. After 4 weeks echocardiography did not find heart enlargement and cardiac low power performance.