ArticleFrontiers in public health2026
Association between short-term air pollution exposure and the risk of fatal recurrence within 1 year in patients with first-episode acute hemorrhagic stroke: a time-stratified case-crossover study.
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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Corrections and comments
- Erratum issued
Authors and funding
7 authors.
Funding
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Abstract
Objective: To analyze the association between short-term exposure to air pollutants and the risk of fatal recurrence within 1 year in patients with first-episode acute hemorrhagic stroke, to provide scientific basis for health management and risk early warning of patients with hemorrhagic stroke in environmental dimension as well as pollution source control. Methods: Patients with acute hemorrhagic stroke who had their first onset in Zhenjiang City from 2020 to 2023 and experienced fatal recurrence within 1 year were selected as the study subjects. A time-stratified case-crossover study design was adopted, with each case day (the day of stroke fatal recurrence) matched with the date 1 week before, 2 weeks before, and 1 week after the case day as control days. Through conditional logistic regression analysis, the odds ratio of fatal recurrence risk caused by short-term exposure to air pollutants on case days and control days was compared. Based on the model fit results, statistically significant models were identified, followed by analyses of lag effects, dose-response relationships, and interactions among pollutants. Stratification was performed according to sex, age, and season to identify potential effect modifiers of the corresponding variables. Results: A total of 1,056 case days and 3,168 control days were included in this study. Using China's national ambient air quality standards as a reference, the average concentrations of PM Conclusion: Short-term exposure to air PM
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