|本期目录/Table of Contents|

[1]王 竞,潘自兵,焦宝园,等.能谱CT单能量成像在经皮冠状动脉介入术后随访中的应用[J].宁夏医科大学学报,2018,(06):636-640.[doi:10.16050/j.cnki.issn1674-6309.2018.06.004]
 WANG Jing,PAN Zibing,JIAO Baoyuan,et al.Application of Energy Spectrum CT Monochromatic Energy Imaging in the Follow-up of PCI[J].Ningxia Medical University,2018,(06):636-640.[doi:10.16050/j.cnki.issn1674-6309.2018.06.004]
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能谱CT单能量成像在经皮冠状动脉介入术后随访中的应用(PDF)
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《宁夏医科大学学报》[ISSN:1005-8486/CN:64-1029/R]

卷:
期数:
2018年06期
页码:
636-640
栏目:
论著
出版日期:
2018-06-30

文章信息/Info

Title:
Application of Energy Spectrum CT Monochromatic Energy Imaging in the Follow-up of PCI
作者:
王 竞1 潘自兵2 焦宝园1 于梓婷1 宋文娟1 平学军2
(1. 宁夏医科大学,银川 750004; 2.宁夏医科大学总医院心脑血管病医院放射科,银川 750002)
Author(s):
WANG Jing1 PAN Zibing2 JIAO Baoyuan1 YU Ziting1 SONG Wenjuan1 PING Xuejun2
(1. Ningxia Medical University, Yinchuan 750004; 2. Department of Radiology, Cardiovascular and Cerebrovascular Hospital,the General Hospital of Ningxia Medical University,Yinchuan 750002)
关键词:
单能量成像冠状动脉支架经皮冠状动脉介入
Keywords:
monochromatic energy imagingcoronary artery stentPCI
分类号:
R816.2
DOI:
10.16050/j.cnki.issn1674-6309.2018.06.004
文献标志码:
A
摘要:
目的 探讨宝石CT能谱扫描对经皮冠状动脉介入(PCI)治疗术后患者支架内腔的显示及支架再狭窄诊断的能力。方法 收集38例PCI术后患者,行能谱扫描冠状动脉CT造影(CCTA),通过主观评价的方法选出最佳单能量图像,比较最佳单能量图像及140kVp混合能量图像对3组不同管径支架内腔显示能力大小,结合冠脉造影结果比较两种图像判断管腔狭窄程度的准确性。结果 50%ASIR、120keV图像得分最高,为最佳单能量图像;该模式下测得3组支架平均直径与相应140kVp混合能量图像测得平均直径之间差异均有统计学意义(P均<0.05);140kVp混合能量图像诊断结果与最佳单能量图像诊断结果、CAG结果差异有统计学意义(P均<0.05),最佳单能量图像诊断结果与CAG结果之间差异无统计学意义(P>0.05)。结论 参数为50%ASIR、120keV单能量图像可以有效去除冠状动脉支架伪影,准确评价再狭窄情况。
Abstract:
Objective To investigate the clinical value of energy spectrum scanning of coronary artery in patients after PCI and the ability of diagnosis of stent restenosis by Gem CT. Methods A total of 38 cases of PCI in our hospital were collected to scan CCTA. The best single energy image was selected by subjective evaluation. The best single energy image and 140kVp mixed energy image were compared to the three groups of different tube diameter stent. Two images were compared with the results of coronary angiography to determine the accuracy of the stenosis degree. Results The highest score of 50%ASIR and 120keV images was the best single energy image, and the mean diameter between the average diameter of the three sets of scaffolds and the corresponding 140kVp mixed energy images was statistically significant(P<0.05),and the results of the 140kVp mixed energy image diagnosis and the best single energy image diagnosis and the CAG results were poor. Differences in statistics showed no significant difference between the best single energy image diagnosis and CAG results(P>0.05). Conclusion 50%ASIR and 120keV single energy images can effectively remove stent artifacts and accurately evaluate restenosis.

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备注/Memo

备注/Memo:
收稿日期:2018-01-08
基金项目:宁夏医科大学校级科研项目(XZ2016006)
作者简介:王竞,男,住院医师,硕士,研究方向:心胸疾病影像诊断。
通信作者:平学军,男,主任医师,硕士研究生导师。 E-mail: pdoctor@sohu.com
更新日期/Last Update: 2018-06-30