Eur Heart J:臭氧暴露与院外心搏骤停风险增加相关

2013-12-06 晓静 编译 医学论坛网

瑞典一项研究表明,短期暴露于中等水平的臭氧(O3)与院外心搏骤停(OHCA)风险增加相关。相关论文12月2日在线发表于《欧洲心脏杂志》(Eur Heart J)。 该研究共纳入5973例急诊医疗服务评估的OHCA患者。利用时间分层病例交叉设计分析暴露于空气污染和OHCA风险的相关性。以在事件和控制时间点之前的0–2、0–24和0–72 h间暴露于城市环境下的平均水平定义为O3、PM2.5

瑞典一项研究表明,短期暴露于中等水平的臭氧(O3)与院外心搏骤停(OHCA)风险增加相关。相关论文12月2日在线发表于《欧洲心脏杂志》(Eur Heart J)。

该研究共纳入5973例急诊医疗服务评估的OHCA患者。利用时间分层病例交叉设计分析暴露于空气污染和OHCA风险的相关性。以在事件和控制时间点之前的0–2、0–24和0–72 h间暴露于城市环境下的平均水平定义为O3、PM2.5、PM10、NO2和 NOx 暴露。

结果显示,居住在城市的患者在任何时间窗暴露于臭氧均与OHCA风险增加相关。在臭氧增加10 µg/m3 的2h、24h和72h暴露时间窗内比值比(OR)分别为1.02、1.04和1.05。暴露于2h O3与户外事件发生率具有较高的相关性(OR 1.13)。研究者未观察到其他污染物的影响。

原文出处:

Raza A, Bellander T, Bero-Bedada G, Dahlquist M, Hollenberg J, Jonsson M, Lind T, Rosenqvist M, Svensson L, Ljungman PL.Short-term effects of air pollution on out-of-hospital cardiac arrest in Stockholm.Eur Heart J. 2013 Dec 2.


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    2013-12-08 仁心济世
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    2013-12-08 xuqianhua
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    2013-12-08 slcumt