在充满挑战的道协议期间,在不附加传感器的情况下持续监测呼吸速率
Ulf R Borg1, André Antunes2, Philip Smit2
1Medical Affairs, Medtronic Patient Monitoring, Boulder, CO 80301, USA.
Military medicine
|August 20, 2024
概括
一个新的深度摄像系统可以在没有身体接触的情况下准确监测呼吸率 (RR). 这种非接触式方法在各种呼吸速率中显示出高精度,为患者监测提供了可行的工具.
科学领域:
- 生物医学工程 生物医学工程
- 医疗器械技术 医疗器械技术
- 生理监测 生理监测
背景情况:
- 呼吸速率 (RR) 是患者监测的关键生命体征,也是临床恶化的关键指标.
- RR是诊断疾病和预测重症监护中的患者结果的组成部分.
- 早期预警得分通常包含RR,突出其临床意义.
研究的目的:
- 评估基于深度摄像头的非接触式呼吸速率监测系统的性能.
- 在模拟快速RR变化的加快呼吸协议期间评估系统的准确性.
- 为了将非接触式RR测量与传统参考方法进行比较.
主要方法:
- 健康的志愿者参加了实验运行,呼吸率从4到50次/分钟的呼吸率上升.
- 捕获和处理深度信息以确定呼吸速率 (RRdepth).
- 将RRdepth与图或螺旋计的参考测量 (RRref) 进行了比较,收集了9482对数据.
主要成果:
- 在RRdepth和RRref.之间实现了0.995的高皮尔森相关系数.
- 整体根平均平方差 (RMSD) 为1.29次呼吸/分钟,偏差为0.16次呼吸/分钟.
- 低,中,高RR范围的RMSD精度分别为0.94,1.34和1.55次呼吸/分钟,均在3次呼吸/分钟目标范围内.
结论:
- 深度摄像系统在非接触式呼吸率监测方面表现出高精度和高性能.
- 在所有测试的RR子范围中,系统的准确性保持在目标范围内.
- 结果支持该技术在临床环境中用于连续,非接触式RR测定的潜力.
相关概念视频
01:20Assessment of Ventilation I: Respiratory Rate
1.0K
Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
1.0K
01:19Special considerations while measuring oxygen saturation
554
Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
554
01:30Pulse rhythm
777
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
777
01:26Respiratory Volumes and Capacities I
978
Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
978
01:29Assessment of Ventilation II: Respiratory Depth and Rhythm
1.4K
Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
1.4K
01:17Assessment of Diffusion and Perfusion
955
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
955