超声波用于定量评估身体脂肪质量的应用
Yang Gao1, Xinyi Tang1, Bingjie Liu1
1Department of Medical Ultrasound, West China Hospital of Sichuan University, No. 37 Guoxue Alley, Chengdu 610041, Sichuan, China.
Clinical nutrition ESPEN
|April 9, 2025
概括
这项研究开发了一种基于超声波的算法,用局部脂肪厚度 (FT) 来估计身体脂肪量 (BFM). 该方法为BFM评估提供了一种非侵入性和准确的方法,这对于了解与肥胖相关的健康风险至关重要.
科学领域:
- 生物医学工程 生物医学工程
- 医疗成像医学成像
- 人类测量学 人类测量学.
背景情况:
- 肥胖是一个主要的健康问题,与许多疾病有关.
- 准确的体脂质量 (BFM) 和脂肪厚度 (FT) 测量对于健康评估至关重要.
- 超声波为FT测量提供了一种便携式,非侵入式的方法,但其用于定量BFM估计的用途尚未得到充分探索.
研究的目的:
- 开发和验证用于估计BFM的定量算法.
- 使用通过超声波获得的局部脂肪厚度 (FT) 测量作为BFM估计算法的基础.
主要方法:
- 179名志愿者被分为建模和验证组.
- 使用生物电阻分析 (BIA) 测量了BFM,使用超声波测量了10个身体部位的FT.
- 一个多重线性回归模型被用来开发基于FT的BFM估计算法,然后得到验证.
主要成果:
- 在不同地点的 FT 和 BFM 之间发现了显著的正相关性 (P < 0.01).
- 开发的算法确定了对BFM估计有贡献的特定FT站点,男性和女性之间略有差异.
- 该算法实现了高精度 (男性R2=0.882,女性R2=0.907) 和与BIA测量的良好一致 (ICC=0.848).
结论:
- 使用基于超声波衍生局部脂肪厚度 (FT) 的合适算法,可以对体脂质量 (BFM) 进行定量估计.
- 这种基于超声波的方法为BFM评估提供了一个有希望的非侵入性工具.
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