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Published in: International Archives of Occupational and Environmental Health 7/2023

Open Access 03-06-2023 | Spirometry | Original Article

Does working in an extremely cold environment affects lung function?: 10 years follow-up

Authors: Marcial Velasco Garrido, Nadine Rentel, Robert Herold, Volker Harth, Alexandra M. Preisser

Published in: International Archives of Occupational and Environmental Health | Issue 7/2023

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Abstract

Objective

The aim of this study is to investigate whether there is an association between brief but repeated exposures to extremely cold temperatures over many years and pulmonary function.

Methods

We performed a retrospective analysis of the data collected over 10 years in the context of the extended medical examinations of storeworkers exposed to extremely cold temperatures. We considered forced vital capacity (FVC), forced expiratory volume in one second (FEV1), Tiffeneau-Pinelli index (FEV1/FVC), CO diffusion capacity (DL,CO) and Krogh-factor (CO diffusion capacity relative to recorded alveolar volume, DL,CO/VA) reported as %-predicted. We analysed trends in outcome parameters with linear mixed models.

Results

46 male workers participated in at least two extended medical examinations between 2007 and 2017. Overall 398 measure points were available. All lung function parameters had values above the lower limit of normality at the first examination. In the multivariate model including smoking status and monthly intensity of cold exposure (≤ 16 h/month vs. > 16 h/month) FEV1%-predicted and FVC %-predicted had a statistically significant positive slope (FEV1, 0.32% 95% CI 0.16% to 0.49% p < 0.001; FVC 0.43% 95% CI 0.28% to 0.57% p < 0.001). The other lung function parameters (FEV1/FVC %-predicted, DL,CO %-predicted, DL,CO/VA %-predicted) showed no statistically significant change over time.

Conclusions

Long term intermittent occupational exposure to extreme cold temperatures (-55 °C) does not appear to cause irreversible deleterious changes in lung function in healthy workers, thus the development of obstructive or restrictive lung diseases is not expected.
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Metadata
Title
Does working in an extremely cold environment affects lung function?: 10 years follow-up
Authors
Marcial Velasco Garrido
Nadine Rentel
Robert Herold
Volker Harth
Alexandra M. Preisser
Publication date
03-06-2023
Publisher
Springer Berlin Heidelberg
Keyword
Spirometry
Published in
International Archives of Occupational and Environmental Health / Issue 7/2023
Print ISSN: 0340-0131
Electronic ISSN: 1432-1246
DOI
https://doi.org/10.1007/s00420-023-01988-3

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