对2个可穿戴应变传感器进行前性观察研究,用于测量呼吸速率
Hiroki Sato1, Tatsuya Nagano1, Shintaro Izumi2
1Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Hyogo, Japan.
Medicine
|July 19, 2024
概括
可穿戴的拉伸传感器准确地测量了健康个体在休息中的呼吸率. 虽然在坐着或卧卧的姿势中有效,但在炼后的准确性会下降,这表明需要进一步发展.
科学领域:
- 生物医学工程 生物医学工程
- 生理监测 生理监测
- 可穿戴技术可穿戴技术
背景情况:
- 呼吸速率是患者状况和疾病严重程度的关键指标.
- 通过可穿戴设备实时监测呼吸速率,可以进行早期干预.
- 现有的可穿戴技术在大规模验证,校准,标准化和临床实用性方面面临挑战.
研究的目的:
- 为了评估两个可穿戴拉伸传感器在测量呼吸速率中的准确性.
- 为了比较临床上使用的传感器 (C-STRECH®) 与新型可拉伸电容器.
- 评估传感器在不同身体位置,位置和运动条件上的性能.
主要方法:
- 20名健康受试者参与了这项研究.
- 用螺旋计作为黄金标准测量呼吸速率.
- 两个可穿戴的拉伸传感器被应用于五个身体位置 (,侧腹部,腹膜,侧胸部,胸部) 坐着和躺着的位置,无论是在休息和运动后.
主要成果:
- 最高的传感器信号幅度被检测到在上腹部 (坐着) 和部 (仰卧).
- 在静止状态下,与螺旋计相比,传感器误差在0.06到2.39呼吸/分钟之间.
- 练习后,误差增加到每分钟1.57到3.72次呼吸,表明精度降低.
结论:
- 可穿戴式伸展传感器可以检测健康个体的坐姿和卧姿的呼吸速率.
- 最佳的传感器放置在坐着和仰卧的位置之间有所不同.
- 需要进一步改进,以提高运动后呼吸速率检测的传感器精度.
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