超声波泌尿动力学研究 (US-UDS):通过超声波进行非侵入性估计,通过超声波估计体压力
David P Rosen1, Brian J Linder2, Azra Alizad3
1Department of Physiology and Biomedical Engineering, Mayo Clinic Collage of Medicine and Science, Rochester, MN, United States of America.
Physics in medicine and biology
|November 14, 2025
概括
这项研究介绍了超声波-尿动力学 (US-UDS),一种非侵入性方法,用于估计使用超声波的体压力 (Pdet). 与传统的侵入性泌尿动力学研究相比,US-UDS在检测膀活动方面显示出有希望的准确性和灵敏性.
科学领域:
- 生物医学工程 生物医学工程
- 医疗成像医学成像
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
背景情况:
- 尿动力学研究 (UDS) 对膀功能评估至关重要.
- 目前的UDS方法需要侵入性导管以测量排骨压力 (Pdet).
- 需要使用非侵入性技术来准确估计Pdet.
研究的目的:
- 开发和验证一种基于超声波的非侵入性技术 (US-UDS),用于估计Pdet.
- 与传统的UDS相比,评估US-UDS的准确性和诊断性能.
主要方法:
- 开发了一种US-UDS技术,使用超声波诱导和跟踪膀壁中的弹性波.
- 采用密集时间采样,对Lamb波分散进行实证校正,并为Pdet估计进行受约束优化.
- 将US-UDS应用于3个同时接受UDS的人类受试者的533个数据点.
主要成果:
- 美国UDS估计Pdet在UDS测量的10cmH2O (95.7%覆盖率) 和5cmH2O (68.8%覆盖率) 范围内.
- 美国UDS检测到具有高灵敏度 (0.99-1.0) 和特异性 (0.83-0.93) 的破坏者活性 (Pdet>15 cmH2O).
- 优化值提高了检测性能,达到1.0的灵敏度和0.93的特异性.
结论:
- 在US-UDS的技术进步使准确和有用的Pdet估计非侵入性.
- 美国UDS证明了临床相关的非侵入性Pdet测量的可行性.
- 需要对更大的队列进行进一步的研究,才能完全确定临床效用.
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