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320排动态容积CT在冠心病筛查中的初步应用 被引量:4

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摘要 目的探讨320排动态容积CT(320CT)冠状动脉造影在冠状动脉粥样硬化性心脏病(冠心病)筛查中的应用价值。方法分析45例临床拟诊为冠心病患者的320CT前瞻性心电门控全心容积扫描检查结果。对显示的冠状动脉主干及其主要分支进行分级评价,并对辐射剂量进行统计分析。结果本组45例发现狭窄性病变28例,其中三支狭窄性病变3例,两支狭窄性病变6例,单支狭窄性病变19例;其中狭窄度≥50%18支(45.0%),<50%22支(55.0%)。45例冠状动脉成像质量1级39例(86.7%)2,级5例(11.2%),3级1例(2.1%)。使用的平均有效剂量为(2.85±0.35)mSv。结论 320CT冠状动脉成像速度快,图像质量高,辐射剂量低,是冠心病筛查的首选检查。
机构地区 宁波市第一医院
出处 《现代实用医学》 2010年第10期1138-1140,共3页 Modern Practical Medicine
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