一种超声波测量方法,用于在最大呼吸过程中评估隔膜流动性
Xue Shi1, Li Zhang1, Lan Zeng2
1Department of Ultrasound, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China.
Scientific reports
|November 1, 2025
概括
一种新的B模式超声波方法准确地测量了健康成年人右半膜的运动性. 与M模式超声波相比,这种技术显示出强烈的一致性和更好的可重现性,用于评估隔膜外流.
科学领域:
- 医疗成像医学成像
- 肺功能测试试验 肺功能测试
- 超声波技术 超声波技术 超声波技术
背景情况:
- 隔膜运动对于呼吸功能至关重要.
- 评估隔膜外流对于诊断呼吸系统疾病很重要.
- M模式超声波是一种传统的方法,但新的技术可能会提供改进.
研究的目的:
- 引入和评估一种新的B模式超声波方法来测量右半膜的移动性.
- 为了比较B模式超声波与M模式超声波的准确性和可重现性.
- 评估新的B模式技术的观察者内部和观察者间的协议.
主要方法:
- 开发了一种新的B模式超声波技术,用于测量最大呼吸期间的隔膜外流.
- 招募了29名健康志愿者进行比较B模式和M模式超声波测量.
- 使用布兰德-阿尔特曼分析来评估两种超声波方法之间的一致性.
- 在15名志愿者中,计算了类内相关系数 (ICC) 来确定观察者内部和观察者间的可靠性.
主要成果:
- 隔膜运动的B模式超声波测量显示与M模式超声波的强烈一致.
- 与M模式 (0.1103 ± 0.0627) 相比,B模式方法的变化系数较低 (0.0772 ± 0.0347).
- B模式超声波的高ICC值表明观察者内部 (0.812-0.832) 和观察者间 (0.701) 具有良好的可重现性.
结论:
- B模式超声波是一种可靠和可重复的方法,用于评估右半膜的移动性.
- 由于变化率较低,B模式技术比M模式超声波具有优势.
- 这种新方法为对隔膜功能进行非侵入性评估提供了有价值的工具.
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