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首页> 外文期刊>Circulation journal >Effect of dust storm events on daily emergency admissions for cardiovascular diseases
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Effect of dust storm events on daily emergency admissions for cardiovascular diseases

机译：沙尘暴事件对心血管疾病每日紧急入院的影响

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Background: Dust storm is a meteorological phenomenon and dust particles have been suspected as harmful to heart and lungs. The aim of this study was to investigate the association between coarse particles and emergency hospital admissions for cardiovascular diseases (CVD) in Hong Kong. Methods and Results: Data on mean daily emergency admissions for CVD to major hospitals in Hong Kong, concentrations of air pollutants and meteorological variables from January 1998 to December 2002 were obtained from several government departments. We identified 5 dust storm days during the study period. Independent t-tests were used to compare the mean daily number of admissions on dust storm and non-dust storm days. Case-crossover analysis, using the Poisson regression, was used to examine the effects of coarse particles' concentration on emergency hospital admissions for CVD. A marginally significant increase in emergency hospital admissions for ischemic heart disease (IHD) was found with RR=1.04 (95% confidence interval: 1.00, 1.08) per 10μg/m 3 increase in the concentration of coarse particles. Conclusions: This study demonstrated a marginally significant increase in emergency hospital admissions for IHD on the day of dust storm events in Hong Kong, when the levels of coarse particles were very high. Further studies are required to assess the role of coarse particles on cardiac health.
机译：背景：沙尘暴是一种气象现象，怀疑有尘埃颗粒对心脏和肺部有害。这项研究的目的是调查在香港，粗颗粒物与心血管疾病急诊入院之间的关系。方法和结果：从几个政府部门获得了1998年1月至2002年12月香港主要医院每天平均CVD急诊入院率，空气污染物浓度和气象变量的数据。在研究期间，我们确定了5个沙尘暴天数。使用独立的t检验比较沙尘暴和非沙尘暴日的平均每日入院人数。使用Poisson回归进行病例交叉分析，以检查粗颗粒浓度对急诊CVD住院的影响。缺血性心脏病（IHD）的急诊入院率每增加10μg/ m 3粗颗粒浓度RR = 1.04（95％置信区间：1.00，1.08），则略有增加。结论：这项研究表明，在香港的沙尘暴事件当天，当粗颗粒水平很高时，IHD的急诊入院率略有增加。需要进一步的研究来评估粗颗粒对心脏健康的作用。

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