Associations between air pollution and hospitalization for cardiovascular disease: a time series study in Nanchong.

IF 3.4 3区医学 Q2 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Frontiers in Public Health Pub Date : 2025-03-07 eCollection Date: 2025-01-01 DOI:10.3389/fpubh.2025.1504411

Zaiyong Zheng, Yanman Li, Qinglu Jiang, Fangfang Zang, Yang Yu, Rongchuan Yue, Houxiang Hu, Chunxiang Zhang

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Abstract

Objective: To investigate the acute effects of air pollution on the daily hospitalizations for cardiovascular disease.

Methods: Data of daily hospitalization for cardiovascular disease were collected from the hospital electronic health record system in Nanchong. The air pollutants and meteorological data were obtained from the fixed monitoring stations. We performed over-dispersed Poisson regression incorporated with distributed lag models to assess associations between short-term exposure to air pollutants and the risk of cardiovascular disease hospitalizations.

Results: A total of 373,390 hospitalizations for cardiovascular diseases were identified. We found that a 10 μg/m³ increase in 7-day average concentrations of PM_2.5 and PM₁₀ was associated with 1.15% (95%CI: 0.55-1.76%) and 0.51% (95%CI: 0.19-0.82%) higher cardiovascular disease admissions. NO₂ presents the largest adverse effect. The risk of cardiovascular disease admission increased by 6.26% with per 10 μg/m³ increase in NO₂ for lag07.

Conclusion: Short-term exposures to high concentrations of air pollutants increased the risk of hospitalization for cardiovascular disease. Policymakers need to develop policies and strategic plans to combat air pollution.

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南充市空气污染与心血管疾病住院关系的时间序列研究

目的：探讨大气污染对心血管疾病患者日常住院治疗的急性影响。方法：收集南充市医院电子病历系统中心血管疾病患者的日常住院数据。大气污染物和气象数据均来自固定监测站。我们采用了结合分布滞后模型的过分散泊松回归来评估短期暴露于空气污染物与心血管疾病住院风险之间的关系。结果：共确定了373,390例心血管疾病住院病例。我们发现，PM2.5和PM10的7天平均浓度每增加10 μg/m3，心血管疾病入院率分别增加1.15% （95%CI: 0.55-1.76%）和0.51% （95%CI: 0.19-0.82%）。NO2的不良影响最大。2007年NO2浓度每增加10 μg/m3，心血管疾病入院风险增加6.26%。结论：短期暴露于高浓度空气污染物会增加心血管疾病住院的风险。决策者需要制定政策和战略计划来对抗空气污染。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Frontiers in Public Health Medicine-Public Health, Environmental and Occupational Health

CiteScore

4.80

自引率

7.70%

发文量

4469

审稿时长

14 weeks

期刊介绍： Frontiers in Public Health is a multidisciplinary open-access journal which publishes rigorously peer-reviewed research and is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, clinicians, policy makers and the public worldwide. The journal aims at overcoming current fragmentation in research and publication, promoting consistency in pursuing relevant scientific themes, and supporting finding dissemination and translation into practice. Frontiers in Public Health is organized into Specialty Sections that cover different areas of research in the field. Please refer to the author guidelines for details on article types and the submission process.