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能谱CT最佳单能量成像在胃底静脉曲张出血内镜术前的应用价值

邓小林 谢惠 屈亚林 吴绍全 周帮建 杨正彬 冯练 王敏

邓小林, 谢惠, 屈亚林, 吴绍全, 周帮建, 杨正彬, 冯练, 王敏. 能谱CT最佳单能量成像在胃底静脉曲张出血内镜术前的应用价值[J]. CT理论与应用研究, 2021, 30(5): 603-609. doi: 10.15953/j.1004-4140.2021.30.05.08
引用本文: 邓小林, 谢惠, 屈亚林, 吴绍全, 周帮建, 杨正彬, 冯练, 王敏. 能谱CT最佳单能量成像在胃底静脉曲张出血内镜术前的应用价值[J]. CT理论与应用研究, 2021, 30(5): 603-609. doi: 10.15953/j.1004-4140.2021.30.05.08
DENG Xiaolin, XIE Hui, QU Yalin, WU Shaoquan, ZHOU Bangjian, YANG Zhengbin, FENG Lian, WANG Min. The Value of Optimal Monochromatic Spectral CT Imaging in Gastric Variceal Bleeding before Endoscopic Treatment[J]. CT Theory and Applications, 2021, 30(5): 603-609. doi: 10.15953/j.1004-4140.2021.30.05.08
Citation: DENG Xiaolin, XIE Hui, QU Yalin, WU Shaoquan, ZHOU Bangjian, YANG Zhengbin, FENG Lian, WANG Min. The Value of Optimal Monochromatic Spectral CT Imaging in Gastric Variceal Bleeding before Endoscopic Treatment[J]. CT Theory and Applications, 2021, 30(5): 603-609. doi: 10.15953/j.1004-4140.2021.30.05.08

能谱CT最佳单能量成像在胃底静脉曲张出血内镜术前的应用价值

doi: 10.15953/j.1004-4140.2021.30.05.08
基金项目: 

重庆市科卫联合医学科研项目(门静脉能谱CTA用于胃底静脉曲张出血内镜术前筛查和术后评估(2019MSXM055));重庆市大足区科技发展项目(食管胃底静脉曲张破裂出血患者能谱CTPV最佳单能量技术研究(DZKJ,2018ACC1031))。

详细信息
    作者简介:

    邓小林,男,重庆市大足区人民医院放射科副主任医师,主要从事CT能谱成像与CT血管成像研究,E-mail:15823380958@163.com;杨正彬*,男,重庆市大足区人民医院放射科主治医师,主要从事全身血管CT造影技术及诊断研究,E-mail:364327992@qq.com。

  • 中图分类号: R445.3;R573.2

The Value of Optimal Monochromatic Spectral CT Imaging in Gastric Variceal Bleeding before Endoscopic Treatment

  • 摘要: 目的:通过对肝门静脉、胃底静脉曲张及胃肾分流等的显示情况,评价能谱CT最佳单能量成像在胃底静脉曲张出血患者内镜术前的参考应用价值。方法:选取2016年9月至2021年1月期间收治的60例胃底静脉曲张出血患者,进行肝门静脉能谱CTA检查。比较最佳单能量、70keV及混合能量(QC)3组图像肝门静脉CT值、图像噪声(IN)、信噪比(SNR)、对比噪声比(CNR)及图像质量主观评分,将图像质量最佳组用于影像诊断。结果:最佳单能量、70keV、QC组肝门静脉平均CT值分别为273.12±25.48、168.70±20.16、164.92±20.74;IN分别为31.22±4.13、17.72±3.09、24.25±2.98;SNR分别为8.95±1.80、9.92±2.64、6.93±1.37;CNR分别为6.18±1.52、4.82±1.71、3.22±0.99;主观质量评分分别为4.57±0.63、3.10±0.98、2.47±0.93;除70keV、QC组肝门静脉平均CT值组间无统计学差异外,其余均有统计学差异;最佳单能量组图像质量最佳,并能清晰显示胃肾分流、胃底静脉曲张、肝门静脉血栓等征象。结论:肝门静脉能谱CT最佳单能量成像可优化图像质量,在胃底静脉曲张出血患者内镜术前具有较高的应用价值。

     

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出版历程
  • 收稿日期:  2021-03-28
  • 网络出版日期:  2021-09-23

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