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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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在放射性核素衍生的左心室射出小部分的软件差异.

Rune H Kappel1,2,3,4, Helle Precht3,5,6,7,8, Thomas Q Christensen7,9

  • 1Faculty of Health Science, University of Southern Denmark, Odense, Denmark; runekappel96@live.dk.

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概括

封闭平衡放射性核素血管造影 (ERNA) 的不同软件包在计算左心室喷射率 (LVEF) 中显示出显著的变化. 这些ERNA软件程序不可互换,因此在切换分析工具时需要谨慎.

关键词:
在CMR中,CMR是CMR.埃尔纳/穆加 (ERNA/MUGA) 是一个国家.这是一个LVEF.互联网/内部客户端软件 软件 软件 软件 软件

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科学领域:

  • 心脏病学 心脏病学
  • 核医学就是核医学.
  • 医学成像分析 医学成像分析

背景情况:

  • 在接受心脏毒性化疗的患者中,门式平衡放射性核素血管造影 (ERNA) 对于监测左心室喷射率 (LVEF) 至关重要.
  • 对于准确的LVEF评估来检测真正的变化,低的inter-和intrareader变化是必不可少的.

研究的目的:

  • 使用两个商业软件包调查LVEF测量中的inter-和intrareader变异性.
  • 为了将ERNA软件的可变性与心脏MRI (CMR) 进行比较,作为参考标准.

主要方法:

  • 46个ERNA扫描被分析为LVEF使用Xeleris和Corridor4DM软件由两个技术人员.
  • 作为参考标准,心脏MRI (CMR) 在1.5小时内进行.
  • 布兰德-阿尔特曼分析和林一致性相关系数 (CCC) 评估了一致性和偏差.

主要成果:

  • 走廊4DM的平均LVEF显著高于Xeleris.
  • 在同一软件中没有发现显著的互读器变化.
  • 与CMR相比,这两款软件包都表现出显著的偏差,Xeleris显示的偏差较 Corridor4DM (11%),而Xeleris的偏差较小 (4%).
  • 与Corridor4DM (CCC 0.257/0.244) 相比,Xeleris与CMR的相关性更高 (CCC 0.438/0.572),而Xeleris与CMR的相关性更高.

结论:

  • 在ERNA LVEF计算的不同软件包之间存在很高的变化.
  • 用于LVEF评估的ERNA软件程序是不可互换的.
  • 在用于患者监测的ERNA软件包之间切换时建议谨慎使用.