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双源CT在高心率患者冠状动脉血管造影的临床应用

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摘要 目的讨论分析在高心率患者中应用双源CT对冠状动脉狭窄的诊断的临床应用。方法收集本院从2009年至2015年收治的460例高心率患者做双源CT冠脉检查为研究对象。结果 460例患者平均心率为(110.0±10.8)次/min,460例患者中362例符合诊断要求,成功率为78.7%。根据美国AHA冠状动脉分段标准评价冠状动脉各个节段的图像质量。将图像质量分为3级,共评价3 258个冠状动脉节段,其中图像质量Ⅰ级者占93%(3030/3258),图像质量Ⅱ级占5%(163/3258),图像质量Ⅲ级者占2%(65/3258)。双源128层螺旋CT大螺距前瞻性心电触发采集模式应用于心脏冠脉检查的辐射剂量,明显低于单源64排螺旋CT回倾性心电门控螺旋扫描模式辐射剂量。结论双源CT对高心率患者的冠脉检查具有放射剂量低、诊断结果可靠,适合临床推广应用。
作者 林福 范新芬
出处 《内蒙古医学杂志》 2016年第7期860-862,共3页 Inner Mongolia Medical Journal
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