Physiological Response to Heat Stress

Belval, Luke N.; Morrissey, Margaret C.

doi:10.1007/978-3-030-27805-2_2

Cited by 3 publications

(1 citation statement)

References 40 publications

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“…Normally, the sample size is acceptable if the test power is more than 0.8. 52 Therefore, the 12 human samples used in this study are sufficient to generalize the results to a larger population.…”

Section: Sample Sizementioning

confidence: 97%

Study on thermal comfort of low-sweat and high-sweat young men based on heart rate variability analysis under different clothing

Faghihimani

Ravandi

2022

Indoor and Built Environment

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Thermal comfort is one of the most important factors affecting human performance. In recent years, the Low Frequency to High Frequency Ratio (LF/HF) index, which is obtained from the frequency analysis of heart rate variability, has been proposed as an accurate method for evaluating thermal comfort in different conditions. In this study, using LF/HF, the effect of sweating amount on thermal comfort under the influence of clothing characteristics was investigated. After a moderately heavy physical activity in the indoor situation and without good ventilation, skin temperature, electrocardiogram signal and a qualitative assessment of their thermal comfort were recorded in participants divided into two groups: low sweat and high sweat. The results of qualitative measurement and frequency analysis of thermal comfort were then discovered to have a significant correlation. According to findings, the low sweat group had less thermal comfort than the high sweat group ( p < 0.05). The type of clothing was also found to have a significant effect on the thermal comfort sensation. Although the amount of sweating is an inherent feature of an individual, the feeling of thermal comfort can be improved ( p < 0.05) by optimizing clothing characteristics for each group without spending more energy on cooling.

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Section: Sample Sizementioning

confidence: 97%

Study on thermal comfort of low-sweat and high-sweat young men based on heart rate variability analysis under different clothing

Faghihimani

Ravandi

2022

Indoor and Built Environment

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Climate Change and Congenital Anomalies: A Population‐Based Study of the Effect of Prolonged Extreme Heat Exposure on the Risk of Neural Tube Defects in France

Bruckner,

Trinh,

Lelong

et al. 2024

Birth Defects Research

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BackgroundExposure to long‐lasting extreme ambient temperatures in the periconceptional or early pregnancy period might increase the risk of neural tube defects (NTDs). We tested whether prolonged severe heat exposure as experienced during the 2003 extreme heatwave in France, affected the risk of NTDs.MethodsWe retrieved NTD cases spanning from January 1994 to December 2018 from the Paris Registry of Congenital Malformations. The 2003 heatwave was characterized by the long duration and high intensity of nine consecutive days with temperatures ≥35°C. We classified monthly conceptions occurring in August 2003 as “exposed” to prolonged extreme heat around conception (i.e., periconceptional period). We assessed whether the risk of NTDs among cohorts exposed to the prolonged severe heatwave of 2003 in the periconceptional period differed from expected values using Poisson/negative binomial regression.FindingsWe identified 1272 NTD cases from January 1994 to December 2018, yielding a monthly mean count of 4.24. Ten NTD cases occurred among births conceived in August 2003. The risk of NTD was increased in the cohort with periconceptional exposure to the August 2003 heatwave (relative risk = 2.14, 95% confidence interval: 1.46 to 3.13), compared to non‐exposed cohorts. Sensitivity analyses excluding July and September months or restricting to summer months yielded consistent findings.InterpretationEvidence from the “natural experiment” of an extreme climate event suggests an elevated risk of NTDs following exposure to prolonged extreme heat during the periconceptional period.

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Association between physiological responses and heat shock protein 70 (HSP70) expressions in the vulnerable populations of Kuala Lumpur

Muhamad,

Lim,

Md Akim

et al. 2024

International Journal of Environmental Health Research

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Physiological Response to Heat Stress

Cited by 3 publications

References 40 publications

Study on thermal comfort of low-sweat and high-sweat young men based on heart rate variability analysis under different clothing

Study on thermal comfort of low-sweat and high-sweat young men based on heart rate variability analysis under different clothing

Climate Change and Congenital Anomalies: A Population‐Based Study of the Effect of Prolonged Extreme Heat Exposure on the Risk of Neural Tube Defects in France

Association between physiological responses and heat shock protein 70 (HSP70) expressions in the vulnerable populations of Kuala Lumpur

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