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在患有支气管肺功能障碍的儿童中,挥发性有机化合物暴露的决定因素
Bob Z Sun1, Morgan E Ryan2, Suzanne E Dahlberg2,3,4
1Division of Respiratory Medicine, Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada.
由于挥发性有机化合物 (VOC) 造成的室内空气污染会影响患有肺部疾病的儿童. 清洁活动可以显著增加VOC水平,突显室内空气质量的可修改风险因素.
科学领域:
- 环境健康 环境健康
- 儿科肺病学 儿科肺病学
- 室内空气质量 室内空气质量
背景情况:
- 挥发性有机化合物 (VOC) 是常见的室内空气污染物,与慢性肺部疾病儿童的呼吸系统问题有关.
- 确定家庭室内VOC的特定来源仍然是一个挑战.
研究的目的:
- 评估家庭特征和活动与 bronchopulmonary dysplasia (BPD) 儿童总VOC (TVOC) 水平之间的关系.
- 调查与BPD儿童家庭中TVOC的短期,偶发性峰值暴露相关的因素.
主要方法:
- 在122名患有BPD的6至12岁儿童的家中进行了一周的每小时室内空气监测.
- 分析了环境暴露与TVOC水平或峰值之间的关联,并根据季节和人口统计数据进行了调整.
主要成果:
- 每周观察到4个TVOC峰值的中位数.
- 平均TVOC水平与室内PM2.5,温度,湿度,寒冷季节和燃烧源相关.
- 寒冷的季节,温度,湿度和清洁活动增加了TVOC峰值的可能性.
结论:
- 温度和湿度等季节性和环境因素强调了空气交换对VOC清除的重要性.
- 家庭清洁活动是室内VOC暴露的重要,可修改的来源.
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