| 张任华,邓波红,龙江涛,李强,杨友,陈美英.跟踪扫描技术在16层螺旋CT动脉成像中的临床应用[J].中国医学影像技术,2009,25(7):1296~1299 |
| 跟踪扫描技术在16层螺旋CT动脉成像中的临床应用 |
| Clinical application of the tracking scan technique in 16-slice spiral CT angiography |
| 投稿时间：2008-11-25 修订日期：2009-02-08 |
| DOI： |
| 中文关键词: 体层摄影术,X线计算机 血管造影术 成像技术 |
| 英文关键词:Tomography, X-ray computed Angiography Imaging techniques |
| 基金项目: |
| 作者 | 单位 | E-mail | | 张任华 | | renhua2269@sina.com | | 邓波红 | Department of Radiology, the First People’s Hospital of Chenzhou, Chenzhou 423000, China | | | 龙江涛 | Department of Radiology, the First People’s Hospital of Chenzhou, Chenzhou 423000, China | | | 李强 | Department of Radiology, the First People’s Hospital of Chenzhou, Chenzhou 423000, China | | | 杨友 | Department of Radiology, the First People’s Hospital of Chenzhou, Chenzhou 423000, China | | | 陈美英 | Department of Radiology, the First People’s Hospital of Chenzhou, Chenzhou 423000, China | |
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| 中文摘要: |
| 目的 探讨跟踪扫描技术在16层螺旋CT动脉成像中的应用。方法 应用GE LightSpeed 16层螺旋CT扫描仪进行跟踪扫描、测试扫描和估算扫描各100例CTA,所有扫描图像传送至AW4.2工作站进行后处理重建,并分别由3名经验丰富的CT诊断医师采用双盲法对3种方法的图像质量进行评价,分别统计优、良、可、差。结果 跟踪扫描图像质量优级率89.00%、良7.00%、可4.00%、差0;测试扫描优级率70.00%、良11.00%、可15.00%、差4.00%;估算扫描优级率61.00%、良13.00%、可21.00%、差5.00%。结论 应用跟踪扫描技术进行16层螺旋CT动脉成像所得图像质量明显优于测试扫描和估算扫描。 |
| 英文摘要: |
| Objective To explore the application of the tracking scan technique in 16-slice spiral CT angiography, in order to improve the quality of CTA. Methods Three hundred patients who were divided into three groups randomly underwent CTA in tracking, testing and estimation scan respectively with GE LightSpeed 16-slice spiral CT. The data of all patients were transmitted to the workstation (AW4.2) and reconstructed. The quality of all images were evaluated by three experienced doctors with double-blind method and divided into four grades (A, B, C and D) from optimal to poor. Results The rate of grade A, B, C and D was 89.00%, 7.00%, 4.00% and 0 respectively for tracking scan, 70.00%, 11.00%, 15.00% and 4.00% respectively for testing scan, while 61.00%, 13.00%, 21.00% and 5.00% respectively for estimation scan. Conclusion Tracking scan technique is superior to testing and estimation scan in image quality of 16-slice spiral CT angiography. |
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