TY - JOUR T1 - Environmental exposure to air pollution and allergens and peak flow changes JF - European Respiratory Journal JO - Eur Respir J SP - 61 LP - 66 DO - 10.1034/j.1399-3003.2000.16a11.x VL - 16 IS - 1 AU - Higgins, BG AU - Francis, HC AU - Yates, C AU - Warburton, CJ AU - Fletcher, AM AU - Pickering, CA AU - Woodcock, AA Y1 - 2000/07/01 UR - //www.qdcxjkg.com/content/16/1/61.abstract N2 - Laboratory-based studies have shown that ozone and nitrogen dioxide can potentiate the effect of allergen in sensitized asthmatic subjects, but it is not known whether this interaction is important under natural exposure conditions.诊断哮喘或慢性阻塞性肺病的35个题目和挑衅性剂量导致强制解析量下降20%分秒 <12.25微摩尔(使用Yan方法)在夏末4周内记录最大解析流并同时测量spore和花粉计数和污染水平并用多回归分析来确定空气代数对PEF的影响,以及空气代数和污染物层次之间的交互作用显示总孔数与臭氧之间有统计意义交互作用,但没有二氧化氮平均PEF下降与增加spore计数(同日和24-h延时值)并发,PEF可变性增加与增加spore计数(24-h延时值)相联两者变化都越大 前方臭氧水平越高结果表明臭氧可增强空气循环元对自然接触条件下支气管多动性主体的影响效果微小 交互学的临床意义 需要进一步研究ER-