无口罩,手术口罩和面料冲压在中等强度运动期间对周边氧化和的影响:一项随机交叉研究
Dina Christa Janse van Rensburg1, Audrey Jansen van Rensburg1, Tanita Botha2
1Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.
像骑自行车这样的适度运动期间佩戴面罩会导致氧和度轻微下降,但不会随着时间的推移而恶化. 健康的人可以在运动和日常活动中安全地戴口罩.
科学领域:
- 运动生理学 运动生理学
- 公共卫生 公共卫生
- 呼吸系统医学 呼吸系统医学
背景情况:
- 戴口罩在减少COVID-19传播方面是有效的.
- 佩戴口罩对运动期间生理测量的影响需要研究.
研究的目的:
- 评估面罩在运动期间对外周氧和 (SpO2) 的影响.
- 评估口罩对运动期间二级生理参数和主观感知的影响.
主要方法:
- 一个随机交叉试验,涉及30名参与者 (30-45岁) 在60%的输出功率下进行30分钟的自行车运动.
- 没有口罩,手术口罩 (SM) 和缓冲口罩 (BM) 条件的比较.
- 测量SPO2,潮尾二氧化碳 (EtCO2),呼吸率 (RR),心率 (HR),呼气温度 (EBT),感知劳动力 (RPE) 和感知喘息 (RPB) 的评级.
主要成果:
- 手术口罩和缓冲口罩在运动开始时导致SpO2的下降,这种情况没有恶化.
- 在所有面具条件下观察到EtCO2和EBT的显著变化.
- 正如预期的那样,运动期间呼吸率和心率显著增加.
- 感知到的呼吸困难增加,而感知到的劳动力在面具条件下是相似的.
结论:
- 面罩 (手术和缓冲) 在短时间,中等强度的运动中会导致SpO2的轻微,持续的减少.
- 健康的个体可以在适度运动和日常活动中耐受戴口罩,没有显著的不良影响.
更多相关视频
04:20Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
Published on: October 1, 2019
09:33Using Near-Infrared Spectroscopy Wearable Devices to Identify Central Versus Peripheral Limitations During Exercise
Published on: December 19, 2024
相关概念视频
Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
Oxygen Delivering System I: Nasal Cannula and Face Mask
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
Special considerations while measuring oxygen saturation
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Assessment of Diffusion and Perfusion
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...
Pulse Oximetry
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
