石块体积测量的临床可重现性:"脏石块计算器"研究
Arthur Peyrottes1,2, Marie Chicaud1,3,4,5, Cyril Fourniol2
1GRC n°20, Groupe de Recherche Clinique Sur La Lithiase Urinaire, Hôpital Tenon, Sorbonne Université, 75020 Paris, France.
Journal of clinical medicine
|October 14, 2023
概括
石计算器 (KSC) 软件可靠地估计石负担,显示高的观察者间和观察者内部协议. 这种工具有助于进行逆行性内手术的手术规划.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 医疗成像医学成像
- 软件开发 软件开发
背景情况:
- 准确的结石负担估计对于预测逆行性内手术的外科结果至关重要.
- 与线性测量相比,体积测量提供了优越的石材负载分层.
- 结石计算器 (KSC) 软件是为3D石块体积评估和石灰质结石持续时间估计而开发的.
研究的目的:
- 在临床环境中验证结石计算器 (KSC) 的可重复性.
- 评估KSC软件的观察者间和观察者内部的相关性.
- 评估KSC对结石负担估计的可靠性.
主要方法:
- 50名患有结石的患者被追溯分析.
- 三位不同经验水平的泌尿科医生对每个患者进行了五次KSC测量.
- 测量是在非对比增强计算机断层扫描 (NCCT) 图像上进行的.
主要成果:
- 观测者之间的相关性总体很高 (肯达尔系数=0.99,p < 0.0001).
- 在所有对分析中,观察者间可重复性超过0.8.
- 观察者内部变化系数在4%至6%之间,肯德尔系数>0.98 (p < 0.0001).
- 复杂石材的细分显示出较低的可重复性.
结论:
- 石计算器是估计石负担的可靠工具.
- 由于KSC能够估计石的持续时间,这对于手术规划非常有价值.
- 该软件在泌尿病学临床使用中表现出高可靠性.
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