前TAVI大动脉环大小测量:在具有不同经验的操作员中,手动和半自动新一代软件测量的比较
Andrea Daniele Annoni1, Maria Elisabetta Mancini1, Eleonora Carlicchi2,3
1Centro Cardiologico Monzino, IRCCS, Milan, Italy.
The British journal of radiology
|July 14, 2023
概括
半自动软件用于大动脉环评估在跨导管大动脉植入 (TAVI) 规划提供准确和可重现的测量. 这种方法显著减少了评估时间,并且可以在具有不同经验水平的运营商中可靠.
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
- 手术规划 手术规划
背景情况:
- 准确的大动脉环评估对于成功的跨导管大动脉植入 (TAVI) 来说至关重要.
- 手动测量可能耗时且依赖于操作人员.
- 半自动软件为提高效率和一致性提供了潜力.
研究的目的:
- 为了比较手动与半自动的大动脉环测量.
- 评估操作员经验对测量准确性的影响.
- 在TAVI规划中评估半自动软件的时间效率.
主要方法:
- 对接受TAVI的80名患者进行了回顾性分析.
- 经验丰富的读者手动测量大动脉环 (直径,周长,面积) 和冠状动脉骨距离.
- 由同一个经验丰富的读者和两个不那么经验丰富的读者进行半自动软件评估.
- 测量差异的比较,读取时间,以及衍生的假肢尺寸.
主要成果:
- 在手动和半自动测量环形面积和周长之间存在非常好的相关性 (ICC 0.81-0.98).
- 对于圆环到冠状动脉骨距离的良好相关性 (0.75-0.79).
- 对于经验丰富的观察者来说,在假肢尺寸选择方面达成高度一致 (96%);对于经验较少的观察者来说,存在强烈的相关性 (ICC 0.88-0.89).
- 经验丰富的观察者使用半自动软件显著减少CT图像评估时间 (高达50%).
结论:
- 半自动软件可以为TAVI规划提供准确和可重复的大动脉环测量.
- 该软件对于具有不同经验水平的操作员来说是可靠的.
- 半自动工具的实施提高了TAVI前工作流程的效率.
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