Long-term air pollution exposure and Parkinson's disease mortality in a large pooled European cohort: an ELAPSE study

Cole-Hunter, T. and Zhang, J. and So, R. and Samoli, E. and Liu, S. and Chen, J. and Strak, M. and Wolf, K. and Weinmayr, G. and Rodopolou, S. and Remfry, E. and de Hoogh, K. and Bellander, T. and Brandt, J. and Concin, H. and Zitt, E. and Fecht, D. and Forastiere, F. and Gulliver, J. and Hoffmann, B. and Hvidtfeldt, U. A. and Jöckel, K. H. and Mortensen, L. H. and Ketzel, M. and Yacamán Méndez, D. and Leander, K. and Ljungman, P. and Faure, E. and Lee, P. C. and Elbaz, A. and Magnusson, P. K. E. and Nagel, G. and Pershagen, G. and Peters, A. and Rizzuto, D. and Vermeulen, R. C. H. and Schramm, S. and Stafoggia, M. and Katsouyanni, K. and Brunekreef, B. and Hoek, G. and Lim, Y. H. and Andersen, Z. J.. (2022) Long-term air pollution exposure and Parkinson's disease mortality in a large pooled European cohort: an ELAPSE study. Environment international, 171. p. 107667.

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BACKGROUND: The link between exposure to ambient air pollution and mortality from cardiorespiratory diseases is well established, while evidence on neurodegenerative disorders including Parkinson's Disease (PD) remains limited. OBJECTIVE: We examined the association between long-term exposure to ambient air pollution and PD mortality in seven European cohorts. METHODS: Within the project 'Effects of Low-Level Air Pollution: A Study in Europe' (ELAPSE), we pooled data from seven cohorts among six European countries. Annual mean residential concentrations of fine particulate matter (PM(2.5)), nitrogen dioxide (NO(2)), black carbon (BC), and ozone (O(3)), as well as 8 PM(2.5) components (copper, iron, potassium, nickel, sulphur, silicon, vanadium, zinc), for 2010 were estimated using Europe-wide hybrid land use regression models. PD mortality was defined as underlying cause of death being either PD, secondary Parkinsonism, or dementia in PD. We applied Cox proportional hazard models to investigate the associations between air pollution and PD mortality, adjusting for potential confounders. RESULTS: Of 271,720 cohort participants, 381 died from PD during 19.7 years of follow-up. In single-pollutant analyses, we observed positive associations between PD mortality and PM(2.5) (hazard ratio per 5 microg/m(3): 1.25; 95% confidence interval: 1.01-1.55), NO(2) (1.13; 0.95-1.34 per 10 microg/m(3)), and BC (1.12; 0.94-1.34 per 0.5 x 10(-5)m(-1)), and a negative association with O(3) (0.74; 0.58-0.94 per 10 microg/m(3)). Associations of PM(2.5), NO(2), and BC with PD mortality were linear without apparent lower thresholds. In two-pollutant models, associations with PM(2.5) remained robust when adjusted for NO(2) (1.24; 0.95-1.62) or BC (1.28; 0.96-1.71), whereas associations with NO(2) or BC attenuated to null. O(3) associations remained negative, but no longer statistically significant in models with PM(2.5). We detected suggestive positive associations with the potassium component of PM(2.5). CONCLUSION: Long-term exposure to PM(2.5), at levels well below current EU air pollution limit values, may contribute to PD mortality.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Environmental Exposures and Health Systems Research > Physical Hazards and Health (Röösli)
UniBasel Contributors:de Hoogh, Kees
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Jan 2023 07:51
Deposited On:06 Jan 2023 07:51

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