目前低强度聚焦超声波模拟平台的经验限制
medRxiv : the preprint server for health sciences
|February 6, 2026
概括
通过比较横低强度聚焦超声波 (LIFU) 仿真软件,发现平台和骨建模方法之间存在显著差异. 这些发现凸显了临床使用前需要验证的必要性.
科学领域:
- 神经科学是一个神经科学.
- 医疗成像医学成像
- 生物物理学的生物物理.
背景情况:
- 体低强度聚焦超声波 (LIFU) 为神经精神疾病提供非侵入性神经调节.
- 准确的超声波模拟对于LIFU治疗的安全和有效临床转化至关重要.
- 目前的软件包 (k-Plan,BabelBrain) 缺乏对其模拟输出的经验验证.
研究的目的:
- 为了比较k-Plan和BabelBrain软件对跨骨LIFU的模拟结果.
- 评估骨建模技术 (CT与基于MRI的伪CT) 对模拟准确性的影响.
- 评估模拟输出在不同个体和超声波参数之间的一致性.
主要方法:
- 使用相同的患者数据,轨迹和协议,直接比较k-Plan和BabelBrain的超声波模拟输出.
- 使用CT扫描与基于MRI的伪CT用于骨建模的模拟准确性的评估.
- 基于个体解剖变异的模拟结果中的差异分析.
主要成果:
- 在k-Plan和BabelBrain生成的模拟结果之间观察到大量的差异.
- 在使用CT与伪CT头骨模型时,在模拟输出中发现了显著的差异.
- 这些差异的程度取决于个体患者的发展轨迹.
结论:
- 目前的跨骨LIFU模拟软件显示出不一致性,需要紧急的基准真相验证.
- 基于MRI的伪CT算法的优化对于LIFU模拟中可靠的头骨建模是必要的.
- 这些发现强调了在广泛采用当前模拟工具之前需要谨慎和进一步研究.
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