稳定型与不稳定型心绞痛患者冠状动脉内超声的对比研究Comparison of intravascular ultrasound imaging between stable and unstable angina pectoris
杨希立
摘要(Abstract)：
目的 应用血管内超声对稳定与不稳定型心绞痛患者的冠状动脉病变进行对比分析。方法 10 5例同时进行了选择性冠状动脉造影和血管内超声的患者 ,按心绞痛性质分为稳定型心绞痛组 (SA组 )和不稳定型心绞痛组 (UA组 ) ,比较两组患者冠状动脉狭窄程度、斑块形态和性质的差异。结果 两组冠状动脉造影显示的病变血管及狭窄程度差异无显著性 ;血管内超声显示 ,UA组病变以脂质斑块多见 ,SA组病变则以纤维斑块和钙化斑块更常见 ;SA组病变钙化的程度较UA组严重 ;UA组病变自发性内膜撕裂和血栓形成的比例明显高于SA组。结论 血管内超声显示 ,稳定型与不稳定型心绞痛患者的冠状动脉病变在形态和性质上存在明显差异。
关键词(KeyWords)： 心绞痛;超声检查,介入性;冠状动脉造影
基金项目(Foundation):
作者(Author): 杨希立
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