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自1977年Grüentzing首次成功进行经皮穿刺冠脉成形术(PTCA)以来,作为冠状动脉再通的一种较为有效的治疗方法已经广泛使用于临床。许多报告表明初次成功率高,住院并发症少,成形术后心绞痛症状明显减少。然而,成形术后的早期再闭塞和再狭窄是影响治疗效果的二个主要因素。本文就PTCA后的再狭窄问题予以综述。
Since Grüentzing’s first successful percutaneous transluminal coronary angioplasty (PTCA) in 1977, a more effective treatment for recanalization of coronary arteries has been widely used clinically. Many reports indicate a high rate of first-time success, fewer hospitalizations, and a marked reduction in angina after angioplasty. However, early reocclusion and restenosis after angioplasty are two major factors that influence the efficacy of the treatment. This article reviews the issue of restenosis after PTCA.