| 心率对64层螺旋CT冠状动脉造影诊断准确性的影响 |
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| 引用本文： | 司丽芳,翟仁友,马展鸿.心率对64层螺旋CT冠状动脉造影诊断准确性的影响[J].中国医学影像技术,2008,24(11):1753-1756. |
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| 作者姓名： | 司丽芳 翟仁友 马展鸿 |
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| 作者单位： | 首都医科大学附属北京朝阳医院放射科,北京,100020 |
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| 摘 要： | 目的 评价心率对64层螺旋CT诊断冠状动脉狭窄准确性的影响.方法 对148例临床怀疑或确诊为冠心病的患者进行64层螺旋CT冠状动脉造影(CTCA)检查,将结果与传统冠状动脉造影(CCA)结果进行对照.入选患者按照心率不同分为3组:第一组为心率≤65次/分,第二组心率为66～75次/分,第三组为心率＞75次/分.结果 64层螺旋CT诊断冠状动脉狭窄≥50%的敏感性为89.75%,特异性为98.63%,阳性预测值为92.33%,阴性预测值为98.12%;诊断冠状动脉狭窄≥75%的敏感性为90.22%,特异性为99.21%,阳性预测值91.71%,阴性预测值99.05%.在不同心率组中,第一组诊断狭窄≥50%的敏感性为94.55%,特异性为98.80%,阳性预测值为95.50%,阴性预测值为98.54%.第二组诊断≥50%狭窄的敏感性为90.48%,特异性为98.43%,阳性预测值为87.69%,阴性预测值为98.82%.第三组诊断≥50%狭窄的敏感性为71.93%,特异性为95.91%,阳性预测值为67.21%,阴性预测值为96.70%.结论 64层螺旋CT对心率较慢的患者有较高的准确性,可作为临床无创筛查冠心病的有效手段.
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| 关 键 词： | 体层摄影术 X线计算机 冠状血管造影术 冠状动脉病变 |
| 收稿时间： | 2007/12/6 0:00:00 |
| 修稿时间： | 9/3/2008 12:00:00 AM |
Impact of heart rate on diagnostic accuracy of 64-slice spiral computed tomography coronary angiography |
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| SI Li-fang,ZHAI Ren-you and MA Zhan-hong.Impact of heart rate on diagnostic accuracy of 64-slice spiral computed tomography coronary angiography[J].Chinese Journal of Medical Imaging Technology,2008,24(11):1753-1756. |
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| Authors: | SI Li-fang ZHAI Ren-you and MA Zhan-hong |
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| Institution: | Department of Radiology, Chaoyang Hospital, Capital University of Medical Science, Beijing 100020, China;Department of Radiology, Chaoyang Hospital, Capital University of Medical Science, Beijing 100020, China;Department of Radiology, Chaoyang Hospital, Capital University of Medical Science, Beijing 100020, China |
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| Abstract: | |
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| Keywords: | Tomography X-ray computed Coronary angiography Coronary disease |
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