The association between wildfire smoke exposure and asthma-specific medical care utilization in Oregon during the 2013 wildfire season.,Journal of Exposure Science and Environmental Epidemiology

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The association between wildfire smoke exposure and asthma-specific medical care utilization in Oregon during the 2013 wildfire season.
Journal of Exposure Science and Environmental Epidemiology ( IF 4.1 ) Pub Date : 2020-02-12 , DOI: 10.1038/s41370-020-0210-x
Ryan W Gan ₁ , Jingyang Liu ₁ , Bonne Ford ₂ , Katelyn O'Dell ₂ , Ambarish Vaidyanathan ₃ , Ander Wilson ₄ , John Volckens _{1,

5} , Gabriele Pfister ₆ , Emily V Fischer ₂ , Jeffrey R Pierce ₂ , Sheryl Magzamen ₁

Affiliation

Wildfire smoke (WFS) increases the risk of respiratory hospitalizations. We evaluated the association between WFS and asthma healthcare utilization (AHCU) during the 2013 wildfire season in Oregon. WFS particulate matter ≤ 2.5 μm in diameter (PM2.5) was estimated using a blended model of in situ monitoring, chemical transport models, and satellite-based data. Asthma claims and place of service were identified from Oregon All Payer All Claims data from 1 May 2013 to 30 September 2013. The association with WFS PM2.5 was evaluated using time-stratified case-crossover designs. The maximum WFS PM2.5 concentration during the study period was 172 µg/m3. A 10 µg/m3 increase in WFS increased risk in asthma diagnosis at emergency departments (odds ratio [OR]: 1.089, 95% confidence interval [CI]: 1.043-1.136), office visit (OR: 1.050, 95% CI: 1.038-1.063), and outpatient visits (OR: 1.065, 95% CI: 1.029-1.103); an association was observed with asthma rescue inhaler medication fills (OR: 1.077, 95% CI: 1.065-1.088). WFS increased the risk for asthma morbidity during the 2013 wildfire season in Oregon. Communities impacted by WFS could see increases in AHCU for tertiary, secondary, and primary care.

中文翻译：

2013 年野火季节期间俄勒冈州野火烟雾暴露与哮喘特定医疗护理利用之间的关联。

野火烟雾 (WFS) 会增加呼吸道住院的风险。我们评估了 2013 年俄勒冈州野火季节期间 WFS 与哮喘医疗保健利用率 (AHCU) 之间的关联。 WFS 直径≤ 2.5 μm 的颗粒物 (PM2.5) 使用现场监测、化学品传输模型和卫星数据的混合模型进行估算。哮喘索赔和服务地点是根据 2013 年 5 月 1 日至 2013 年 9 月 30 日的俄勒冈州所有付款人所有索赔数据确定的。使用时间分层病例交叉设计评估了与 WFS PM2.5 的关联。研究期间WFS PM2.5的最大浓度为172 µg/m3。 WFS 增加 10 µg/m3 会增加急诊科诊断哮喘的风险（比值比 [OR]：1.089，95% 置信区间 [CI]：1.043-1.136）、就诊（OR：1.050，95% CI：1.038） -1.063）和门诊就诊（OR：1.065，95% CI：1.029-1.103）；观察到与哮喘救援吸入器药物填充之间存在关联（OR：1.077，95％CI：1.065-1.088）。 WFS 增加了俄勒冈州 2013 年野火季节期间哮喘发病的风险。受 WFS 影响的社区可能会看到三级、二级和初级保健的 AHCU 增加。

更新日期：2020-02-12

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