| 邱建星,王继琛,刘剑,高莉,孙晓伟,王仪生,蒋学祥.64层CT冠状动脉成像对比剂注射剂量的优化研究[J].中国医学影像技术,2006,22(10):1464~1467 |
| 64层CT冠状动脉成像对比剂注射剂量的优化研究 |
| Coronary angiography by 64-slice CT: optimization of contrast medium injection |
| 投稿时间：2006-08-04 修订日期：2006-09-22 |
| DOI： |
| 中文关键词: 体层摄影术,X线计算机 冠状动脉造影 对比剂 |
| 英文关键词:Tomography, X-ray computed Coronary angiography Contrast medium |
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| 中文摘要: |
| 目的 探寻使用64层CT冠状动脉成像最佳的对比剂注射方法。方法 将接受64层CT冠状动脉检查的连续30位患者中,分出10位体重低于70 kg(A组)和20位体重高于70 kg的患者(随机均分成两组B1和B2组),其中A组及B1组注射50 ml对比剂(注射速度4.5 ml/s),B2组注射70 ml对比剂(注射速度5 ml/s)。分别比较三组患者的主动脉及冠状动脉主干、主要分支的强化程度。结果 A组与B2组患者各段血管的增强程度没有显著性差异,B1组患者部分血管的增强程度明显低于B2组。结论 64层CT冠状动脉成像对比剂注射剂量优化方案是可行的,其优越性是明显的。 |
| 英文摘要: |
| Objective To investigate the optimum contrast medium injection plan of coronary angiography by 64-slice CT. Methods Thirty consecutive patients undergoing coronary angiography by 64-slice CT were divided into three groups, namely group A, group B1 and group B2, each group included 10 patients. Patients in group A were less than 70 kg, patients in group B1 and group B2 were heavier than 70 kg. Group A and group B1 were injected 50 ml contrast medium with speed of 4.5 ml/s. Group B2 was injected 70 ml contrast medium with speed of 5 ml/s. The enhanced effect of three groups of patient in aorta, the trunk and branch of coronary artery were compared. Results The difference of enhancement in every vessel between group A and group B2 was not significant. Enhancement in partial vessel in group B1 was significantly less than in group B2. Conclusion The optimum contrast medium injection plan of coronary angiography by 64-slice CT was feasible. |
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