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Field investigation of thermal comfort level of patients and surgical staff in operating rooms at St Olavs hospital

机译:圣奥拉夫医院手术室患者和手术人员的热舒适水平的现场调查

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In healthcare facilities and hospital environments, it is essential to be able to predict thermal comfort as a parameter of indoor air quality. Unstable thermal conditions are critical in the operating room (OR) environment and may reduce the work efficiency and increase the possibility of surgical errors. At the same time, the main purpose of ventilation systems in operating rooms is to enable clean and comfort indoor environment. Likewise, the metabolic rates of occupants have a substantial impact to thermal comfort and it is completely different for each occupant in operating room. Same is for surgical clothing parameters (as vapor and thermal resistance) -clothing, made by qualified material, should protect wound from infection. Although, there is an increasing number of studies covering the area of thermal comfort, there have been few literature reports written on the comfort of healthcare staff and patients in hospitals and in the OR environment. Therefore, the purpose of this study is to estimate the thermal comfort level for every occupant and analyze the thermal environment in the operating room. The target is to base on PMV-PPD level and deduce the thermal sensation from environmental conditions (temperature, humidity and airflow), and from personal conditions (their metabolic rate and clothing insulation). Research methods includes the thermal environment measurements in hospital operating room after mock surgeries, a survey among surgical staff and patients, to get information about real sensation, and as well, the estimation of the activity level and clothing vapor and thermal resistance of every occupants in operating room. The expected result to be obtained, is the PMV-PPD theoretical and real level of four main occupant group in operating room. As a conclusion, the purpose is to provide suggestions and guidance of indoor environment control in hospitals improving thermal comfort level of patients and surgical staff.
机译:在医疗保健设施和医院环境中,必须能够以室内空气质量的参数预测热舒适度。不稳定的热情条件在手术室(或)环境中是至关重要的,可以降低工作效率并增加外科误差的可能性。与此同时,手术室通风系统的主要目的是实现室内清洁舒适。同样地,乘员的代谢速率对热舒适性具有大量影响,并且在手术室中的每个乘员完全不同。同样用于手术服装参数(作为蒸汽和热阻) - 通过合格材料制成的洗衣,应保护伤口免受感染。虽然,越来越多的研究涵盖了热舒适度的区域,但在医疗保健人员和医院和环境中患者的舒适性写了一些文献报告。因此,本研究的目的是估算每个乘员的热舒适度,并分析手术室的热环境。该目标是基于PMV-PPD水平的基础,并从环境条件(温度,湿度和气流)和个人条件(其代谢率和服装绝缘)中推断出热敏感觉。研究方法包括在模拟手术后的医院手术室的热环境测量,手术人员和患者的一项调查,获取有关真实感觉的信息,同时估算活动水平和衣服蒸汽和每个乘员的热阻手术室。需要获得的预期结果,是手术室中的四个主要乘员组的PMV-PPD理论和实际水平。作为一个结论,目的是提供在医院的室内环境控制的建议和指导,提高患者和手术人员的热舒适程度。

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