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支气管扩张剂治疗与哮喘死亡:病例对照研究

Bronchodilator treatment and deaths from asthma: case-control study
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摘要 目的研究支气管扩张剂的应用与哮喘死亡的相关性。设计方法病例对照研究。研究设置英国33个卫生权威机构或卫生组织。研究对象532例年龄小于65岁而且死于哮喘的患者和532例对照病例,他们是与前者在住院日期、年龄和地区相匹配的哮喘住院患者。主要结局指标应用比值比(OR)方法研究哮喘死亡与应用支气管扩张剂及其他治疗的相关性,同时对始发年龄、先前住院情况、相关的慢性阻塞性肺病(COPD)和其他种类药物进行校正,以分析这种相关性的敏感性。结果通过校正发现哮喘死亡与患者在过去4~12月内的用药无明显相关性,而与患者过去1~5年内吸入短效β2激动剂呈正相关(OR2.05,95%CI1.26~3.33),这种相关性主要表现在45~64岁年龄组,但与过去1~5年内使用抗生素呈负相关(0.59,0.39~0.89),这种负相关在45岁以下的患者表现更显著。年龄对各个时期的用药都有影响,在45岁以下年龄组口服类固醇激素与哮喘死亡呈负相关。哮喘死亡与患者过去1~5年内使用长效β2激动剂呈负相关,而与使用甲基黄嘌呤呈正相关,但它们无显著意义。结论没有证据显示中长期吸入长效β2激动剂有负面效应。短效β2激动剂与死亡呈正相关有多种解释,仅其中一项是它的直接负面效应。
出处 《英国医学杂志中文版》 2005年第4期220-222,共3页 The BMJ Chinese Edition
基金 UKDepartmentofHealth nationalresearchanddevelopmentprogramme(contractAM1/05/002)andUKNationalAsthmaCampaign throughagrantfromGlaxoSmithKline.Nopartofthedesign conduct analysis orinterpretationofthestudywasinfluencedbythefunders.CommentonanearlydraftofthisreportwasreceivedfromGlaxoSmithKline.Thisdrewattentiontoanarithmeticalerrorinoneofthetablesandraisedonepointofclarification.
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