Ozone and other air pollutants and the risk of oral clefts.

Ozone and other air pollutants and the risk of oral clefts.
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DOI:
10.1289/ehp.11311
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发表时间:
2008-10
影响因子:
10.4
通讯作者:
Jaakkola JJ
Jaakkola JJ
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Hwang BF;Jaakkola JJ

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空气污染会影响动物口裂的发育。关于产前空气污染暴露与口裂风险之间关系的流行病学数据很少。我们在这项研究中的目标是评估暴露于环境空气污染与唇裂合并或不合并腭裂(CL/P)风险之间的关系。我们在2001-2003年间对所有653例CL/P病例进行了以人群为基础的病例对照研究,并从721,289名台湾新生儿中随机抽取6530名对照受试者。我们利用地理信息系统,使用反距离加权方法,形成了怀孕前3个月二氧化硫、氮氧化物、臭氧、一氧化碳和空气动力学直径可吸入颗粒物(≤10μm,PM10)的暴露参数。我们给出的影响估计为二氧化硫、氮氧化物和臭氧每10 ppb变化的优势比(OR),一氧化碳100 ppb的变化,PM10的10μg/m~3变化。在16.7 ppb~45.1 ppb的范围内,CL/P的风险与妊娠1个月[调整后OR=1.20;95%可信区间(CI)1.02~1.39]和第二个月(调整后OR=1.25;95%CI,1.03~1.52)有关,但与CO、NOx、SO2或PM10无关。这项研究提供了新的证据,表明在怀孕第一个月和第二个月期间,暴露在室外空气中的臭氧可能会增加CL/P的风险。全球范围内,大量孕妇都会遇到类似水平的臭氧。
Air pollution influences the development of oral clefts in animals. There are few epidemiologic data on the relation of prenatal air pollution exposure and the risk of oral clefts. Our goal in this study was to assess the relations between exposure to ambient air pollution and the risk of cleft lip with or without cleft palate (CL/P). We conducted a population-based case–control study of all 653 cases of CL/P and a random sample of 6,530 control subjects from 721,289 Taiwanese newborns in 2001–2003. We used geographic information systems to form exposure parameters for sulfur dioxide, nitrogen oxides, ozone, carbon monoxide, and particulate matter with an aerodynamic diameter ≤ 10 μm (PM10) during the first 3 months of pregnancy using inverse distance weighting method. We present the effect estimates as odds ratios (ORs) per 10-ppb change for SO2, NOx, and O3, 100-ppb change for CO, and 10-μg/m3 change for PM10. The risk of CL/P was increased in relation to O3 levels in the first gestational month [adjusted OR = 1.20; 95% confidence interval (CI), 1.02–1.39] and second gestational month (adjusted OR = 1.25; 95% CI, 1.03–1.52) in the range from 16.7 ppb to 45.1 ppb, but was not related to CO, NOx, SO2, or PM10. The study provides new evidence that exposure to outdoor air O3 during the first and second month of pregnancy may increase the risk of CL/P. Similar levels of O3 are encountered globally by large numbers of pregnant women.
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