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首页> 美国卫生研究院文献>American Journal of Public Health >Respiratory disease associated with community air pollution and a steel mill Utah Valley.
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Respiratory disease associated with community air pollution and a steel mill Utah Valley.

机译：与社区空气污染相关的呼吸系统疾病以及犹他谷的一家钢铁厂。

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This study assessed the association between hospital admissions and fine particulate pollution (PM10) in Utah Valley during the period April 1985-February 1988. This time period included the closure and reopening of the local steel mill, the primary source of PM10. An association between elevated PM10 levels and hospital admissions for pneumonia, pleurisy, bronchitis, and asthma was observed. During months when 24-hour PM10 levels exceeded 150 micrograms/m3, average admissions for children nearly tripled; in adults, the increase in admissions was 44 per cent. During months with mean PM10 levels greater than or equal to 50 micrograms/m3 average admissions for children and adults increased by 89 and 47 per cent, respectively. During the winter months when the steel mill was open, PM10 levels were nearly double the levels experienced during the winter months when the mill was closed. This occurred even though relatively stagnant air was experienced during the winter the mill was closed. Children's admissions were two to three times higher during the winters when the mill was open compared to when it was closed. Regression analysis also revealed that PM10 levels were strongly correlated with hospital admissions. They were more strongly correlated with children's admissions than with adult admissions and were more strongly correlated with admissions for bronchitis and asthma than with admissions for pneumonia and pleurisy.
机译：这项研究评估了1985年4月至1988年2月在犹他州谷的医院入院与细颗粒物污染（PM10）之间的关联。这段时间包括关闭和重新开放当地的钢铁厂，这是PM10的主要来源。观察到PM10水平升高与肺炎，胸膜炎，支气管炎和哮喘的住院率之间存在关联。在24小时PM10含量超过150微克/立方米的月份中，儿童的平均入院率几乎翻了三倍。在成年人中，入学人数增加了44％。在PM10平均水平大于或等于50微克/立方米的月份中，儿童和成人的平均入院率分别增加了89％和47％。在钢厂开放的冬季，PM10含量几乎是钢厂关闭的冬季所经历的两倍。即使在关闭工厂的冬季遇到相对停滞的空气，也会发生这种情况。与关闭时相比，在工厂开放的冬季，儿童入场率要高出两到三倍。回归分析还显示，PM10水平与住院人数密切相关。与成人的入院率相比，儿童入院率与儿童入院率相关性更高，与支气管炎和哮喘的入院率相比，与肺炎和胸膜炎的入院率相关性更高。

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