石块体积估计的测量方法的比较:一个体外研究
Felipe Pauchard1,2, Frederic Panthier2,3,4, Catalina Espinoza1
1Urology Department, Hospital Naval Almirante Nef, Viña del Mar, Chile.
Journal of endourology
|March 11, 2025
概括
使用像Horos和石计算器 (KSC) 这样的3D细分方法来估计石体积 (SV),比传统的以直径为基础的公式更准确,这些公式通常在治疗规划中产生不可靠的结果.
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
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 目前的尿病指南依赖于最大石径进行治疗,这种方法具有已知的局限性.
- 精确的石块体积 (SV) 测量对于有效的治疗计划和患者随访至关重要.
- 已经提出了估计VS的几种方法,需要进行比较分析.
研究的目的:
- 为了比较估计结石体积 (SV) 的不同方法的准确性.
- 为了评估基于直径的公式和3D细分技术,与参考SV测量对比.
主要方法:
- 分析了15个人体和人造结石.
- 使用水位移法确定了真实SV.
- 使用以直径为基础的公式 (Ackerman, 4/3 Pi r3, r3/2) 和3D细分软件 (Horos,结石计算器 [KSC]) 进行体积估计.
主要成果:
- 3D细分方法 (Horos和KSC) 在估计SV方面显示出更高的准确性,而不是实际的SV.
- 霍罗斯在47%的石头中实现了准确的估计,KSC在27%中实现了准确的估计,而以直径为基础的公式为13%.
- 分区方法显示出强大的相关系数 (r=0.9642,r=0.9659),而公式显示出中等相关性 (r=0.7531).
结论:
- 基于直径的 SV 估计公式不太准确,并产生不同的结果.
- 3D细分技术为结石体积评估提供了更高的准确性.
- 提高SV测量精度可以提高尿病治疗策略.
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