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首页> 外文期刊>International Journal of Environmental Research and Public Health >Association between Ambient Air Pollution and Emergency Room Visits for Respiratory Diseases in Spring Dust Storm Season in Lanzhou, China
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Association between Ambient Air Pollution and Emergency Room Visits for Respiratory Diseases in Spring Dust Storm Season in Lanzhou, China

机译：兰州春季沙尘暴季节环境空气污染与急诊室呼吸道疾病的关系

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Air pollution has become a major global public health problem. A number of studies have confirmed the association between air pollutants and emergency room (ER) visits for respiratory diseases in developed countries and some Asian countries, but little evidence has been seen in Western China. This study aims to concentrate on this region. Methods: A time-series analysis was used to examine the specific effects of major air pollutants (PM10, SO2 and NO2) on ER visits for respiratory diseases from 2007 to 2011 in the severely polluted city of Lanzhou. We examined the effects of air pollutants for stratified groups by age and gender, accounting for the modifying effect of dust storms in spring to test the possible interaction. Results: Significant associations were found between outdoor air pollution concentrations and respiratory diseases, as expressed by daily ER visits in Lanzhou in the spring dust season. The association between air pollution and ER visits appeared to be more evident on dust days than non-dust days. Relative risks (RRs) and 95% CIs per 10 μg/m3 increase in 3-day PM10 (L3), 5-day SO2 (L5), and the average of current and previous 2-day NO2 (L01) were 1.140 (1.071–1.214), 1.080 (0.967–1.205), and 1.298 (1.158–1.454), respectively, on dust days. More significant associations between PM10, SO2 and NO2 and ER visits were found on dust days for elderly females, elderly males and adult males, respectively. Conclusions: This study strengthens the evidence of dust-exacerbated ER visits for respiratory diseases in Lanzhou.
机译：空气污染已成为全球主要的公共卫生问题。许多研究已经证实，发达国家和一些亚洲国家的空气污染物与呼吸系统急诊就诊之间存在关联，但是在中国西部却鲜有证据。这项研究旨在集中于该地区。方法：采用时间序列分析的方法，研究2007年至2011年严重污染的兰州市主要空气污染物（PM10，SO2和NO2）对呼吸道疾病急诊就诊的具体影响。我们按年龄和性别检查了分层人群中空气污染物的影响，并考虑了春季沙尘暴对气候的影响，以测试可能的相互作用。结果：室外尘埃浓度与呼吸系统疾病之间存在显着相关性，如春季扬尘季节兰州每天的急诊就诊所显示。在沙尘天，空气污染与急诊就诊之间的联系似乎比非沙尘天更为明显。 3天PM10（L3），5天SO2（L5）和当前和之前2天NO2（L01）的相对风险（RRs）和每10μg/ m3增加95％CIs为1.140（1.071） –1.214），1.08（0.967–1.205）和1.298（1.158–1.454）。分别在老年女性，老年男性和成年男性的沙尘日发现PM10，SO2和NO2与ER访视之间的相关性更显着。结论：本研究为兰州呼吸系统疾病加重了急诊就诊尘埃的证据。

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