Can Heart Rate Variability (HRV) Be Used as a Biomarker of Thermal Comfort for Mine Workers?
heart rate variability
mining environment
thermal comfort
working body
Journal
International journal of environmental research and public health
ISSN: 1660-4601
Titre abrégé: Int J Environ Res Public Health
Pays: Switzerland
ID NLM: 101238455
Informations de publication
Date de publication:
17 07 2021
17 07 2021
Historique:
received:
10
04
2021
revised:
10
07
2021
accepted:
14
07
2021
entrez:
24
7
2021
pubmed:
25
7
2021
medline:
5
8
2021
Statut:
epublish
Résumé
This study aimed to determine whether heart rate variability (HRV) can express the thermal comfort of mine workers. Eight subjects ran on a treadmill (5.5 km/h) to simulate heavy labor in three kinds of mining environments (22 °C/90%, 26 °C/90%, 30 °C/90%), respectively. Based on the measured electrocardiogram (ECG) data, the HRV of the subjects was calculated. The results showed that the HRV indices changed obviously under different temperature environments. In the neutral and hot environment, except for the LF, TP and LF/HF, there were significant differences in each index. However, there was no significant difference between the cold and neutral environments. The R-R intervals, the very low-frequency power (VLF), pNN20 and SampEN had strong negative correlation with the thermal sensation of people from sitting to work (ρ < -0.700). These indices may be used as thermal comfort predictive biomarkers of mine workers.
Identifiants
pubmed: 34300066
pii: ijerph18147615
doi: 10.3390/ijerph18147615
pmc: PMC8306794
pii:
doi:
Substances chimiques
Biomarkers
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
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