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首页> 外文期刊>Circulation journal >Late restenosis of the balloon-dilated site.
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Late restenosis of the balloon-dilated site.

机译：球囊扩张部位的晚期再狭窄。

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Background The present retrospective study was performed to assess the long-term (>7 years) fate of stabilized balloon-dilated sites. Methods and Results Between February and April 1986, 171 patients underwent successful percutaneous balloon angioplasty. Early restenosis (<1 year) occurred in 53%, but repeat balloon angioplasty stabilized the balloon-dilated site. The early period was defined as 6 months, late years as 3-5 years and long-term years as 7-12 years. Angiographic evaluation at both early year or late year periods (mean =4.7 years) and long-term (mean =10.4 years) periods following stabilization was available in 71 patients (94 lesions) with mean age of 61.7+/-8.5 years. Of the 71 patients 69.6% were male. Restenosis occurring after 1 year was defined as late restenosis. The mean diameter stenosis changed from 6 months (50.3+/-12.4%) to late-period (44.2 +/-13.2%; p<0.05) and long-term period (50.3+/-16.1%; p<0.001); but the reference vessel diameter did not change significantly. Late restenosis occurred in 28% (3-5 years) and 33% (7-12 years) of 94 lesions, and 13.8% of lesion required repeat target lesion revascularization. During this period, 5.3% of patients (5 lesions) underwent revascularization for new proximal or distal lesions. Conclusions Decrease of luminal diameter during the early 6 months, was followed by regression after stabilization of the balloon-dilated site up to 5 years, but luminal re-narrowing occurs again over 7 years after balloon angioplasty. (Circ J 2005; 69: 380 - 385).
机译：背景本项回顾性研究旨在评估稳定的球囊扩张部位的长期（> 7年）结局。方法与结果1986年2月至1986年4月，有171例患者接受了成功的经皮球囊血管成形术。早期再狭窄（<1年）发生率为53％，但重复进行球囊血管成形术可稳定球囊扩张部位。早期定义为6个月，晚期定义为3-5年，长期定义为7-12年。 71名患者（94个病灶）在稳定后的早期或晚期（平均= 4.7年）和长期（平均= 10.4年）均进行了血管造影评估，平均年龄为61.7 +/- 8.5岁。在71名患者中，男性占69.6％。 1年后发生的再狭窄定义为晚期再狭窄。平均直径狭窄从6个月（50.3 +/- 12.4％）变为晚期（44.2 +/- 13.2％; p <0.05）和长期（50.3 +/- 16.1％; p <0.001）;但参考血管直径没有明显变化。晚期再狭窄发生在94个病灶中的28％（3-5岁）和33％（7-12年）中，而13.8％的病灶需要重复靶标血运重建。在此期间，有5.3％的患者（5个病灶）因新近端或远端病灶而进行了血运重建。结论在最初的6个月内，管腔直径减小，然后在球囊扩张部位稳定长达5年后逐渐消退，但是在球囊血管成形术后7年内，管腔再次变窄。 （Circ J 2005; 69：380-385）。

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