一个随机对照试验,比较N-95呼吸器与手术口罩使用对休息代谢和呼吸系统变化的影响
Alexander Rothstein1, Jessie Hirsch, Alyssa Hillian
1From the Interdisciplinary Health Sciences; New York Institute of Technology; Old Westbury, New York (A.R., A.H.), Department of Allied Health and Kinesiology; Hofstra University; Uniondale, New York (J.H.); and Department of Osteopathic Manipulative Medicine; New York Institute of Technology; Old Westbury, New York (J.D.-D.).
在休息状态下佩戴N95或手术口罩会引起轻微的生理变化. 增加的呼吸交换比率,分钟通风和感知到的劳动力被注意到,使用N95口罩的劳动力最高.
科学领域:
- 生理学 生理学 生理学
- 呼吸系统医学 呼吸系统医学
- 职业健康 职业健康 职业健康
背景情况:
- 面具被广泛用于保护,但它们在休息时的生理影响需要理解.
- N95呼吸器和手术口罩提供不同级别的保护,并且可能具有不同的生理效应.
研究的目的:
- 为了比较佩戴N95呼吸器与休息时使用手术口罩的生理反应.
- 量化在口罩使用期间代谢,呼吸和感知力的变化.
主要方法:
- 42名健康的成年人 (18-55岁) 参加了三个15分钟的试验:没有口罩,手术口罩和N95呼吸器.
- 间接热量计测量了氧气消耗和二氧化碳产量;智能衫记录了呼吸速率和通风分钟.
- 感知劳动力 (RPE) 的评级在试验后进行了评估.
主要成果:
- 与没有口罩相比,佩戴任何口罩时,每分钟通风和呼吸交换比率显著更高.
- 感知劳动力 (RPE) 的评分在两种口罩类型中都显著提高.
- 据报道,佩戴N95呼吸器时的RPE数量最高.
结论:
- 手术和N95口罩在休息时会引起轻微的代谢,呼吸和感知力的变化.
- 观察到的生理变化保持在正常参数范围内,这表明休息使用的可接受耐受性.
- 这些发现有助于理解在非劳累条件下戴口罩的生理负担.
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