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多层螺旋CT评价冠状动脉内软斑块的准确性分析 被引量:2

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摘要 目的分析讨论多层螺旋CT评价冠状动脉内软斑块的准确性。方法选取本院4具成年人尸体心脏标本,将采取于标本的心包脂肪颗粒以及心室内血栓,放置于冠状动脉中,模拟冠状动脉内软斑块。对比剂的配制,使用3种浓度,将其注入至冠状动脉之内。使用2种不同的层厚,将原始数据重新建立横断面图像。结果对比剂的浓度,分别为1∶30、1∶40和1∶50的时候,血栓CT值以及脂肪CT值均各不相同,血栓的密度值,与层厚无相关性(P>0.05),与斑块的大小,以及对比剂的浓度有相关性(P<0.05),脂肪的密度值,与层厚、斑块的大小,以及对比剂的浓度均有相关性(P<0.05)。结论冠状动脉内软斑块的密度值与层厚、斑块的大小以及对比剂的浓度均具有相关性。
出处 《中国医药指南》 2014年第26期119-120,共2页 Guide of China Medicine
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