在不同供应商之间观察者间和观察者内部的可变性,以评估 mitra 门:对 transcatheter mitra 门维修的影响
Apurva B Challa1, Monika Radike2,3,4, Asim Rizvi1,5
1Department of Radiology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
La Radiologia medica
|January 15, 2025
概括
这项研究比较了两种中枢成像工具,用于跨导管中枢维修计划. 这两种工具都显示出很好的观察者间一致性,但测量中的系统差异表明使用一致的软件来准确评估中环.
科学领域:
- 心血管成像 - 心血管成像
- 医疗器械技术 医疗器械技术
- 干预心脏病学 干预心脏病学
背景情况:
- 术前成像对于计划跨导管 mitra 门修复至关重要.
- 了解二手评估中的测量技术差异是有限的.
- 对成功的门维修程序来说,对关节环的评估是关键.
研究的目的:
- 通过使用两个不同的软件工具,评估二手管环测量的观察者内部和观察者间的一致性.
- 为了比较一个原型的西门子工具与商用CVI42软件.
- 为了评估来自于形和D形两种甲状元环技术的测量结果.
主要方法:
- 分析了来自10名患者的心脏计算机断层扫描血管学数据.
- 三位专家读者独立地使用软件工具对缩和放缩图像进行了两次缩环测量.
- 统计分析包括一致性测试,观察者间可靠性的类内相关系数 (ICC),以及系统差异的布兰德-阿尔特曼图.
主要成果:
- 对于这两种工具,观察者之间的一致性 (ICC,0.60-1.00) 均为良好至优异.
- 在工具之间发现了统计学上显著的差异,这些差异分别是间距离距离,七边距离和三角形间距离.
- 在形和D形形模型中,在形形区域参数中发现了系统的差异.
结论:
- 两种评估的软件工具都有效地评估了与观察者之间的高度一致性.
- 环形测量中的系统差异需要在临床和研究环境中使用一致的软件.
- 建议对软件选择进行标准化,以便可靠地规划和研究米特拉维修.
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