基于双源CT不同成像技术对冠脉CTA的检查效率和图像质量的影响

摘要
图/表
参考文献(22)
相关文章 (6)

全文: PDF (714 KB) HTML (1 KB)
输出: BibTeX | EndNote (RIS)

摘要目的探讨基于双源CT不同技术手段对冠脉CT血管造影（CTA）检查效率和质量的影响。方法收集2018年6月～2019年10月在浙江省立同德医院冠脉CTA患者107例，采用简单随机分组方法将其分为A组（55例，采用小剂量测试技术）及B组（52例，采用造影剂自动追踪技术）。记录两组患者年龄、体重指数（BMI）、心率、辐射剂量及检查时间，测量两组患者图像信噪比（SNR）、对比噪声（CNR）及CT值，评价并比较两组患者冠脉的图像质量。结果两组患者年龄、BMI、心率、容积CT剂量指数、有效剂量、冠脉不同节段CT、主动脉根部及冠脉各节段SNR比较，差异无统计学意义（P ＞ 0.05）。B组右冠远段及回旋支远段CNR优于A组，差异有统计学意义（P ＜ 0.05）。两组患者图像质量评级比较，差异无统计学意义（P ＞ 0.05）。B组检查时间显著短于A组，差异有高度统计学意义（P ＜ 0.01）。结论造影剂自动追踪技术能在保证图像质量的前提下提高检查效率。

	服务

	把本文推荐给朋友
	加入我的书架
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章
	龚万沣敖炜群贾玉柱徐志华王健曹玉林

关键词 ： CT血管造影技术, 体层摄影技术, 检查效率, 辐射剂量, 图像质量

Abstract：Objective To investigate the effects of different techniques based on dual-source CT on examination efficiency and quality of coronary CT angiography (CTA). Methods A total of 107 patients undergoing coronary CTA in Tongde Hospital of Zhejiang Province from June 2018 to October 2019 were collected, while they were divided into group A (55 cases, using low-dose test technology) and group B (52 cases, using contrast agent automatic tracking technology) by simple random grouping method. The age, body mass index (BMI), heart rate, radiation dose and examination time of the two groups were recorded, and the image signal-to-noise ratio (SNR), contrast noise (CNR) and CT values of the two groups were measured, while the coronary artery image quality were evaluated and compared. Results There were no significant differences in age, BMI, heart rate, volume CT dose index, effective dose, CT of different segments of coronary artery, SNR of aortic root and each segment of coronary artery between the two groups (P ＞ 0.05). The CNR of distal right coronary artery and distal left circumflex artery in group B were superior to group A, and the differences were statistically significant (P ＜ 0.05). There was no statistically significant difference in image quality ratings between the two groups (P ＞ 0.05). The examination time of group B was significantly shorter than that of group A, and the difference was highly statistically significant (P ＜ 0.01). Conclusion Contrast agent automatic tracking technology can improve the inspection efficiency under the premise of ensuring image quality.

Key words： CT angiography Tomography Examination efficiency Radiation dose Image quality

基金资助:浙江省公益技术研究计划/社会发展项目（LGF18 H180016）。

通讯作者: 贾玉柱（1975-），男，博士，副主任医师，主要从事心胸影像学研究。

引用本文:

龚万沣敖炜群贾玉柱徐志华王健曹玉林. 基于双源CT不同成像技术对冠脉CTA的检查效率和图像质量的影响[J]. 中国医药导报, 2020, 17(19): 20-22.
GONG Wanfeng AO Weiqun JIA Yuzhu XU Zhihua WANG Jian CAO Yulin. Effects of different imaging techniques based on dual-source CT on examination efficiency and image quality of coronary CTA. 中国医药导报, 2020, 17(19): 20-22.

链接本文:

http://www.yiyaodaobao.com.cn/CN/ 或 http://www.yiyaodaobao.com.cn/CN/Y2020/V17/I19/20

[1] 胡盛寿，高润霖，刘力生，等.《中国心血管病报告2018》概要[J].中国循环杂志，2019，34（3）：209-220.
[2] Sabarudin A，Sun Z，Ng KH. Coronary computed tomography angiography with prospective electrocardiography triggering：a systematic review of image quality and radiation dose [J]. Singapore Med J，2013，54（1）：15-23.
[3] Nakazato R，Arsanjani R，Shalev A，et al. Diagnostic Accuracy，Image Quality，and Patient Comfort for Coronary CT Angiography Performed Using Iso-Osmolar versus Low-Osmolar Iodinated Contrast [J]. Acad Radiol，2016， 23（6）：743-751.
[4] 韩迎春，樊刚，曹文广，等.64层螺旋CT冠脉成像与DSA血管造影在疾病中诊断价值的比较分析[J].中国CT和MRI杂志，2016，14（1）：56-58，98.
[5] Hausleiter J，Meyer T，Hermann F，et al. Estimated radiation dose associated with cardiac CT angiography [J]. JAMA，2009，301（5）：500-507.
[6] Hou Y，Zheng J，Wang Y，et al. Optimizing Radiation Dose Levels in Prospectively Electrocardiogram-Triggered Coronary Computed Tomography Angiography Using Iterative Reconstruction Techniques：A Phantom and Patient Study [J]. PLoS One，2013，8（2）：e56295.
[7] Neefjes LA，Dharampal AS，Rossi A，et al. Image Quality and Radiation Exposure Using Different Low-Dose Scan Protocols in Dual-Source CT Coronary Angiography：Randomized Study [J]. Radiology，2011，3（3）：779-786.
[8] 中华医学会放射学分会心胸学组，《中华放射学杂志》心脏冠脉多排CT临床应用指南写作专家组.心脏冠脉CT血管成像技术规范化应用中国指南[J].中华放射学杂志，2017，51（10）：732-743.
[9] 陈莹.冠脉CTA对比剂注射延时扫描时间的优化[D].北京：首都医科大学，2013.
[10] 陈刚，凌志青，曾蒙苏.64排螺旋CT冠脉成像三种预测增强延迟时间技术的比较研究[J].临床放射学杂志，2011，30（5）：735-737.
[11] 李锋坦，李东，张云亭.管电压对CT值测量、辐射剂量及图像质量影响的模型研究[J].中华放射学杂志，2013， 47（5）：458-461.
[12] Ippolito D，Fior D，Franzesi CT，et al. Diagnostic accuracy of 256-row multidetector CT coronary angiography with prospective ECG-gating combined with fourth-generation iterative reconstruction algorithm in the assessment of coronary artery bypass：evaluation of dose reduction and image quality [J]. Radiol Med，2017，122（12）：893-901.
[13] Zhao L，Yang X，Hao F，et al. Ultra-Low Radiation Dose and Contrast Medium of Coronary CT Angiography Using Prospectively ECG-Triggered Without Heart Rate Control：A New Strategy [J]. J Med Imaging Radiat Oncol，2017，7（8）：1863-1869.
[14] 周星，黄刚，张常青，等.双源CT低管电压结合低浓度对比剂扫描模式在冠脉CTA中的应用研究[J].医学影像学杂志，2016，26（11）：1980-1986.
[15] American College of Cardiology Foundation Task Force on Expert Consensus Documents，Mark DB，Berman DS，et al. ACCF/ACR/AHA/NASCI/SAIP/SCAI/SCCT 2010 expert consensus document on coronary computed tomographic angiography：a report of the American College of Cardiology Foundation Task Force on Expert Consensus Documents [J]. Circulation，2010，121（22）：2509-2543.
[16] 曹剑，易妍，王怡宁，等.70kV超低管电压低对比剂用量冠脉CTA研究[J].放射学实践，2014，29（6）：589-592.
[17] Sabarudin A，Sun Z，Ng KH. Coronary computed tomography angiography with prospective electrocardiography triggering：a systematic review of image quality and radiation dose [J]. Singapore Med J，2013，54（1）：15-23.
[18] Becker GR，Hong C，Knez A，et al. Optimal contrast application for cardiac 4-detector-row computed tomography [J]. Invest Radiol，2003，38（11）：690-694.
[19] Cademartiri F，Mollet NR，Lugt A，et al. Intravenous Contrast Material Administration at Helical 16-Detector Row CT Coronary Angiography：Effect of Iodine Concentration on Vascular Attenuation [J]. Radiology，2005，236（2）：661-665.
[20] 黄元斌，张振宇，黄晓兵，等.多排螺旋CT冠脉血管造影诊断冠状动脉狭窄的临床价值[J].中外医学研究，2018，16（11）：50-52.
[21] 陈华文，彭光明，陈楚钦，等.128层螺旋CTA在可疑急性冠脉综合征诊断中的应用价值[J].中国医学创新，2019，16（20）：60-63.
[22] 许丽君，陈晨，张桂敏.CT增强扫描中碘比醇造影剂不良反应的预防与护理[J].解放军护理杂志，2017，34（20）：75-76.