使用基于MR的数字体积相关性,在人部坐着时进行体内应变测量
Stefano Zappalá1, Bethany E Keenan2, David Marshall3
1School of Computer Science and Informatics, Cardiff University, Cardiff, UK; Cardiff University Brain Research Imaging Centre (CUBRIC), School of Psychology, Cardiff University, Cardiff, UK.
Journal of biomechanics
|January 5, 2024
概括
这项研究用3DMRI扫描和数字体积相关性 (DVC) 来量化部软组织在压力下的变形. 结果显示显著的组织滑动和应变,对于理解压力预防至关重要.
科学领域:
- 生物力学 生物力学
- 医疗成像医学成像
- 组织工程是组织工程.
背景情况:
- 预防压力需要了解软组织对压力负荷的反应.
- 详细了解部变形对于开发有效的管理系统至关重要.
研究的目的:
- 用3D测量量部软组织逐渐变形的量化.
- 为进一步研究提供软组织位移的公共数据集.
主要方法:
- 使用磁共振 (MRI) 扫描,对10名健康受试者进行了半卧卧姿态的扫描.
- 采用数字体积相关性 (DVC) 来测量3D软组织位移.
- 优化了全局和可变形的注册方法,对模拟数据进行验证.
主要成果:
- 量化的部最大部从阴道状体 (平均13.74毫米) 滑开,突出显示了阴道毛囊的作用.
- 在肌肉接口附近的皮下脂肪中确定了峰值剪切应变,超过已知的损伤值.
- 在静坐负荷下,表现出复杂的软组织变形模式.
结论:
- 股软组织变形是复杂的,需要进一步调查.
- 诸如组织几何,负载持续时间/程度,姿势和特性等因素会影响变形.
- 这些发现对于推进压力的预防和管理策略至关重要.
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