冠状动脉支架内再狭窄的相关因素分析Clinical evaluation of risk factors on coronary in-stent restenosis
牛杰,郭静萱,毛节明,李伟联,郭丽君,李海燕,张福春,张永珍,陈明哲
摘要(Abstract)：
目的 探讨可能引起支架内再狭窄的临床及支架相关因素。方法 选择随访的冠状动脉造影资料较全的 137例支架术后患者。依冠状动脉造影结果将其分为支架内再狭窄组和非再狭窄组 ,然后对可能引起支架内再狭窄的临床和支架相关因素在两组中进行对比分析。结果 两组年龄、吸烟、饮酒等情况相似 ,高血压病及糖尿病的发生率差异无显著性。再狭窄组术前靶血管狭窄程度较非再狭窄组重 ,分别为 91%± 7%和 88%± 14% (P =0 0 33)。再狭窄组所选支架的平均直径较非再狭窄组的小 ,分别为 (3 19± 3 90 )mm和 (3 6 3± 0 30 )mm(P =0 0 0 5 ) ;支架长度却较非再狭窄组的长 ,分别为 (2 1 91± 8 98)mm和 (18 2 0± 6 0 7)mm(P =0 0 11)。再狭窄组的支架扩张总时间明显短于非再狭窄组 ,分别为 (2 2 74± 19 5 6 )s和 (2 9 12± 2 5 72 )s(P =0 0 2 6 )。两组的支架扩张次数和扩张压力差异无显著性。结论 本文资料提示年龄、吸烟、饮酒、高血压病、糖尿病、支架扩张次数及压力的大小等因素对支架内再狭窄无明显影响 ,但术前靶血管狭窄程度和支架长度与支架内再狭窄呈正相关 ,而支架直径和支架扩张总时间则呈负相关。
关键词(KeyWords)： 冠状动脉;支架术;再狭窄
基金项目(Foundation):
作者(Author): 牛杰,郭静萱,毛节明,李伟联,郭丽君,李海燕,张福春,张永珍,陈明哲
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