Human thermal physiological response of wearing personal protective equipment: An educational building semi-open space experimental investigation

Fang, Zhaosong; Mao, Yudong; Zhu, Yong; Lu, Jiaxin; Zheng, Zhimin; Chen, Xiaohui

doi:10.1016/j.scitotenv.2023.162779

Cited by 13 publications

(6 citation statements)

References 104 publications

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“…The end-tidal CO2 (ETCO2) levels were not statistically significant in the PPE vs control group at baseline or immediately after intervention. In the literature we found a study that showed ETCO2 level was higher with PPE compared to without PPE, moreover, it declined after removal of the PPE [10]. Our study found no significant increase in ETCO2 with PPE but a significantly lower level was noted after the removal of PPE.…”

Section: Physiological Variablescontrasting

confidence: 52%

“…The evaporation-resistant material cloth of full-body PPE kits leads to excessive sweating. This suggests heightened thermoregulatory demands due to PPE-induced heat-trapping and subsequent sweating to maintain body temperature [10,11].…”

Section: Thermal Stressmentioning

confidence: 99%

“…While heart rate and blood pressure remained unchanged, the marginal increase in respiratory rate (RR) after PPE use may be a mechanism for heat loss and heat-induced stress, it warrants further investigation [13]. A minimal change in heart rate or even a linear relationship of heart rate with temperature with or without PPE has been documented [10,12]. A systematic review suggested increase in heart rate with PPE was highly dependent on the weight of the PPE, the type of cloth of PPE and weather conditions [17].…”

Section: Physiological Variablesmentioning

confidence: 99%

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Effects of Wearing Personal Protective Equipment on Serum Cortisol Levels and Physiological Variables in Healthcare Workers: A Randomised Controlled Trial in a Simulated Pandemic Environment

Barde,

Chitturi,

Sharma

et al. 2024

Cureus

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Section: Physiological Variablescontrasting

confidence: 52%

Section: Thermal Stressmentioning

confidence: 99%

Section: Physiological Variablesmentioning

confidence: 99%

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Effects of Wearing Personal Protective Equipment on Serum Cortisol Levels and Physiological Variables in Healthcare Workers: A Randomised Controlled Trial in a Simulated Pandemic Environment

Barde,

Chitturi,

Sharma

et al. 2024

Cureus

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“…Second, they can induce pain or impede movement, potentially leading to lower manual dexterity and extended procedure durations [24,25]. Furthermore, medical workers may have heat strain symptoms when wearing PPE-AGP for extended periods of time or conducting medical operations that demand physical exertion, such as cardiopulmonary resuscitation [36,37].…”

Section: Discussionmentioning

confidence: 99%

ETView SL versus Macintosh Direct Laryngoscope for Endotracheal Intubation Amid Simulated COVID-19 Cardiac Arrest: A Randomized Crossover Study

Evrin,

Dabkowski,

Pruc

et al. 2023

JCM

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Airway management procedures, such as endotracheal intubation (ETI), pose a significant risk of aerosol generation, requiring robust personal protective equipment (PPE) against aerosol-generating procedures (AGP). This study aimed to assess the impact of PPE-AGP on intubation success rates, time to intubation, and glottic visualization using ETView and a standard Macintosh laryngoscope (MAC). A total of 52 physicians participated in this prospective, observational, randomized crossover study conducted in a medical simulation setting. Participants included COVID-19 patients with cardiac arrest scenarios with and without PPE-AGP who were intubated with ETView and MAC. During intubation without PPE-AGP, ETView showed a similar first-pass success rate (FPS) but had a shorter intubation time and better glottal hydration compared to MAC. In scenario B (with PPE-AGP), ETView outperformed MAC in FPS, initiation time, and glottic visualization. The use of PPE-AGP had little impact on ETView’s performance. However, it negatively affected the Macintosh laryngoscope, reducing FPS and glottic visibility. Participants found intubation with ETView easier in both scenarios. In conclusion, as compared to the Macintosh laryngoscope, ETView demonstrated higher performance under the circumstances of the simulation, especially when PPE-AGP was used.

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“…In September, the average daily outdoor air temperature ranged between 27.7 °C-33.1 °C, with an average monthly temperature of 30.5 °C. Moreover, the relative humidity typically fluctuated between 60% and 84.7% on a daily basis, averaging of 71% monthly [35]. Therefore, even in September, Guangzhou remained in a hot and humid location.…”

Section: Climate Conditionsmentioning

confidence: 99%

Comprehensive analysis on the thermal comfort of various greening forms: a study in hot-humid areas

Lin,

Wu,

et al. 2024

Environ. Res. Commun.

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The potential impact of greening on improving thermal environments is widely recognized. However, few studies have comprehensively evaluated the influence of different forms of greening, such as various tree crown widths, green facades, green roofs, and their combinations, on both outdoor and indoor environments. In this study, we conducted an extensive investigation within a residential precinct at Guangzhou University by combining on-site measurements and numerical simulations with the ENVI-met model. Physiologically Equivalent Temperature (PET) and Temperature Humidity Index (THI) were used to assess outdoor thermal comfort. The results indicated that planting trees had a greater impact on improving the outdoor thermal environment than green facades and green roofs, and this effect increased with the crown width of the trees, with a maximum potential reduction of 4.8 °C (0.2 °C) in PET (THI). Green facades can bring a change of up to 101.9 W/m2 in sensible heat flux, resulting in a reduction of up to 1.8 °C in indoor Ta (air temperature). Conversely, green roofs composed of grass exhibit minimal effects in both outdoor and indoor environments. Finally, we provide recommendations for the construction and renovation of projects in residential areas, with a focus on hot-humid areas.

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Human thermal physiological response of wearing personal protective equipment: An educational building semi-open space experimental investigation

Cited by 13 publications

References 104 publications

Effects of Wearing Personal Protective Equipment on Serum Cortisol Levels and Physiological Variables in Healthcare Workers: A Randomised Controlled Trial in a Simulated Pandemic Environment

Effects of Wearing Personal Protective Equipment on Serum Cortisol Levels and Physiological Variables in Healthcare Workers: A Randomised Controlled Trial in a Simulated Pandemic Environment

ETView SL versus Macintosh Direct Laryngoscope for Endotracheal Intubation Amid Simulated COVID-19 Cardiac Arrest: A Randomized Crossover Study

Comprehensive analysis on the thermal comfort of various greening forms: a study in hot-humid areas

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