Publications by authors named "C Mila"

Background: Evidence is limited regarding the role of air pollution in acute lower respiratory infections among adults. We assessed the influence of long-term air pollution exposure on hospital admission for lower respiratory infections and whether there are vulnerable subgroups.

Methods: We used a populational cohort in Catalonia, Spain, comprising 3,817,820 adults residing in Catalonia as of January 1, 2015.

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Article Synopsis
  • Long-term exposure to air pollution, specifically nitrogen dioxide (NO), is linked to increased hospital admissions (25%) and deaths (18%) related to COVID-19.
  • Short-term exposure to air pollution in the week leading up to a COVID-19 diagnosis also correlates with higher rates of hospital admissions during the pandemic.
  • The study involved a large cohort from Catalonia, analyzing air quality data and COVID-19 outcomes to assess the impact of air pollution on respiratory health.
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Background: A growing body of evidence has reported positive associations between long-term exposure to air pollution and poor COVID-19 outcomes. Inconsistent findings have been reported for short-term air pollution, mostly from ecological study designs. Using individual-level data, we studied the association between short-term variation in air pollutants [nitrogen dioxide (NO2), particulate matter with a diameter of <2.

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Objective: Factors that shape individuals' vulnerability to the effects of air pollution on COVID-19 severity remain poorly understood. We evaluated whether the association between long-term exposure to ambient NO, PM, and PM and COVID-19 hospitalisation differs by age, sex, individual income, area-level socioeconomic status, arterial hypertension, diabetes mellitus, and chronic obstructive pulmonary disease.

Methods: We analysed a population-based cohort of 4,639,184 adults in Catalonia, Spain, during 2020.

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