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Environ Res ; 252(Pt 3): 118942, 2024 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-38649012

RESUMEN

Despite the known link between air pollution and cause-specific mortality, its relation to chronic kidney disease (CKD)-associated mortality is understudied. Therefore, we investigated the association between long-term exposure to air pollution and CKD-related mortality in a large multicentre population-based European cohort. Cohort data were linked to local mortality registry data. CKD-death was defined as ICD10 codes N18-N19 or corresponding ICD9 codes. Mean annual exposure at participant's home address was determined with fine spatial resolution exposure models for nitrogen dioxide (NO2), black carbon (BC), ozone (O3), particulate matter ≤2.5 µm (PM2.5) and several elemental constituents of PM2.5. Cox regression models were adjusted for age, sex, cohort, calendar year of recruitment, smoking status, marital status, employment status and neighbourhood mean income. Over a mean follow-up time of 20.4 years, 313 of 289,564 persons died from CKD. Associations were positive for PM2.5 (hazard ratio (HR) with 95% confidence interval (CI) of 1.31 (1.03-1.66) per 5 µg/m3, BC (1.26 (1.03-1.53) per 0.5 × 10- 5/m), NO2 (1.13 (0.93-1.38) per 10 µg/m3) and inverse for O3 (0.71 (0.54-0.93) per 10 µg/m3). Results were robust to further covariate adjustment. Exclusion of the largest sub-cohort contributing 226 cases, led to null associations. Among the elemental constituents, Cu, Fe, K, Ni, S and Zn, representing different sources including traffic, biomass and oil burning and secondary pollutants, were associated with CKD-related mortality. In conclusion, our results suggest an association between air pollution from different sources and CKD-related mortality.


Asunto(s)
Contaminantes Atmosféricos , Contaminación del Aire , Exposición a Riesgos Ambientales , Insuficiencia Renal Crónica , Humanos , Insuficiencia Renal Crónica/mortalidad , Insuficiencia Renal Crónica/epidemiología , Insuficiencia Renal Crónica/inducido químicamente , Masculino , Femenino , Europa (Continente)/epidemiología , Persona de Mediana Edad , Anciano , Contaminación del Aire/efectos adversos , Contaminación del Aire/análisis , Contaminantes Atmosféricos/análisis , Contaminantes Atmosféricos/efectos adversos , Estudios de Cohortes , Exposición a Riesgos Ambientales/efectos adversos , Material Particulado/análisis , Material Particulado/efectos adversos , Adulto
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