对腹部/腹膜和胸部/肋间间自发呼吸贡献的非侵入性评估
Ella F S Guy1, Jaimey A Clifton1, Jennifer L Knopp1
1Centre for Bioengineering, Mechanical Engineering, University of Canterbury, Christchurch 8041, New Zealand.
Sensors (Basel, Switzerland)
|December 23, 2023
概括
研究人员开发了一种简单的,非侵入性的带测量系统,用于追踪肺机械模型的胸部和腹部膨胀. 这种方法准确地捕捉呼吸模式和体积变化,有助于呼吸系统疾病的分化.
科学领域:
- 生物医学工程 生物医学工程
- 呼吸系统生理学 呼吸系统生理学
- 医疗器械开发 医疗器械开发
背景情况:
- 需要准确的,非侵入性的方法来测量胸部和腹部体积变化.
- 目前用于测量胸部膨胀的方法通常是侵入性的或难以与肺功能测试一起使用.
- 临床应用包括实时监测呼吸力度和区分呼吸条件.
研究的目的:
- 开发和验证一种简单,廉价,非侵入性设备,用于测量胸部和腹部体积变化.
- 为了使患者特定的肺机械模型的验证.
- 分析肌肉招募模式和呼吸努力.
主要方法:
- 设计和实施了一种新的测量带和旋转编码器带系统.
- 该系统直接测量胸部和腹部周长的变化.
- 不需要校准,不同于张力计或图像处理方法.
主要成果:
- 该系统在各种呼吸模式中成功捕捉了胸部和腹部膨胀模式.
- 在健康成年人中,转换的运动测量与基于流量的潮体积相关 (R2 = 0.79).
- 个体受试者相关性更高,这表明个性化缩放是有益的.
- 该设备区分了主动和被动的呼吸模式,并分析了肌肉招募.
结论:
- 开发的带测量系统为评估呼吸机制提供了准确而非侵入性的方法.
- 它促进了针对患者的肺机械模型的验证.
- 该设备阐明了呼吸期间的隔膜功能和胸壁机制.
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