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Boser, M. ; Luschkova, D.* ; Seemann, M. ; Traidl-Hoffmann, C. ; Plaza, M.P.

Extreme temperatures, recent warming and seasonal influenza-linking human exposures to respiratory health in southern Germany.

Int. Arch. Occup. Environ. Health, 16 (2025)
Verlagsversion Forschungsdaten DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
PURPOSE: In the context of climate change, extreme ambient temperatures pose a major threat to human health. This study aims to provide detailed insights into how extreme temperatures and potential confounders affect respiratory morbidity. METHODS: We employed a 14-year time series analysis (2006-2019) in southern Germany, applying penalized distributed lag non-linear models to estimate exposure-response relationships between extreme temperatures and respiratory health outcomes, considering emergency outpatient treatments and hospital admissions at the emergency department of the University Hospital Augsburg. We thereby explored the roles of relative humidity and seasonal influenza as potential confounders and vulnerabilities related to age and gender. RESULTS: We found significantly elevated relative risks (RRs) for the short-term cumulative effect (Lag: 0-3 days) of extreme heat and the long-term cumulative effect (Lag: 0-21 days) of extreme cold on outpatient treatments and hospital admissions. Seasonal influenza was identified as a significant confounder, with attributable fractions comparable to those of cold temperatures. A sub-period analysis (2006-2012 and 2013-2019) revealed a correlation between the recent rise in temperature and the strong increase in the estimated short-term cumulative effect of extreme heat on hospital admissions (2006-2012, RR: 1.08 (95%CI [0.91, 1.27]) vs. 2013-2019, RR: 1.32 (95%CI [1.15, 1.51]). CONCLUSION: Our study demonstrated that extreme temperatures significantly affect respiratory morbidity, with notable influences from seasonal influenza. Sub-period analysis indicated that rising temperatures are already translating into measurable effects on respiratory health, foreshadowing the potentially devastating impacts of global warming on human health. Our results thereby provide highly relevant insights to support targeted public healthcare interventions.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Climate Change ; Extreme Temperature ; Health Care Utilization ; Respiratory Health ; Time Series Analysis ; Vulnerable Populations; Heat-related Deaths; Climate-change; Mortality Displacement; Hospital Admissions; Cold
ISSN (print) / ISBN 0340-0131
e-ISSN 1432-1246
Zeitschrift International Archives of Occupational and Environmental Health
Quellenangaben Band: , Heft: , Seiten: 16 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort One New York Plaza, Suite 4600, New York, Ny, United States
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Environmental Medicine (IEM)
Förderungen Universittsklinikum Augsburg (8972)