长病变的定向旋切术：效果改善
Directional atherectomy for long lesions: improved results.
作者信息
Mooney M R, Mooney J F, Madison J D, Nahhas A T, Van Tassel R A
机构信息
Minneapolis Heart Institute/Abbott Northwestern Hospital, Minnesota.
出版信息
Cathet Cardiovasc Diagn. 1993;Suppl 1:26-30.
The percutaneous treatment of complex stenoses, specifically long lesions, has improved substantially during the past decade. To determine the success of directional atherectomy in the treatment of long lesions, a cohort of 88 patients with lesions greater than 10 mm were evaluated and compared to 376 patients with long lesions treated with conventional balloon angioplasty. Directional atherectomy was successful in 97% and PTCA was successful in 93% of patients with long lesions. There were no differences in complication rates for these cohorts (< 2%). Directional atherectomy and PTCA appear to have safely and successfully broadened the percutaneous treatment of coronary disease to include long coronary stenoses.
在过去十年中，经皮治疗复杂狭窄，特别是长病变，已有显著改善。为确定定向旋切术治疗长病变的成功率，对88例病变长度超过10毫米的患者进行了评估，并与376例接受传统球囊血管成形术治疗的长病变患者进行了比较。长病变患者中，定向旋切术的成功率为97%，经皮腔内冠状动脉成形术（PTCA）的成功率为93%。这些队列的并发症发生率无差异（<2%）。定向旋切术和PTCA似乎已安全、成功地扩大了冠心病的经皮治疗范围，将长冠状动脉狭窄纳入其中。
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