Solar and geomagnetic activity reduces pulmonary function and enhances particulate pollution effects.
Solar and geomagnetic activity reduces pulmonary function and enhances particulate pollution effects.
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DOI：
10.1016/j.scitotenv.2022.156434
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发表时间：
2022-09-10
影响因子：
9.8
通讯作者：
Koutrakis, Petros
中科院分区：
文献类型：
--
作者：
Anand, Kritika;Vieira, Carolina L. Z.;Garshick, Eric;Wang, Veronica;Blomberg, Annelise;Gold, Diane R.;Schwartz, Joel;Vokonas, Pantel;Koutrakis, Petros
关键词：
太阳和地磁活动(SGA)的增加可能会改变交感神经系统的活动，降低抗氧化活性，并调节导致大气气溶胶的物理化学过程，所有这些都可能降低肺功能。采用最大呼气量(FEV_1)、用力肺活量(FVC)和最大呼气量(FEV_1)、用力肺活量(FVC)、最大呼气量(FEV_1)、最大呼气量(FEV_1)、用力呼气量(FEV_1)、用力呼气量(FEV_1)、用力肺活量(FVC)、用力肺活量(FVC)、最大呼气量(FEV_1)、最大呼气量(FEV_1)、用力呼气量(FEV_1)、用力肺活量(FVC)、用力肺活量(FVC)等指标的相关性分析，评价SGA是否能增强颗粒物污染、黑碳(BC)和直径可吸入颗粒物(≤，PM2.5方法：采用行星际磁场(IMF)、行星K指数(KP)和太阳黑子数(SSN)作为SGA测量指标，对2000年至2017年间726名标准老龄化研究参与者(美国马萨诸塞州波士顿)进行重复测量分析。线性混合效应模型被用来评估SGA和污染的暴露移动平均值长达28天。从肺功能测试当天到第28天，IMF、KP指数和SSN的平均增加与FEV1和FVC的显著下降有关，调整了潜在的混杂因素。随着SGA的增加，移动平均线越长，PM2.5和BC对FEV1和FVC的影响越大。例如，在测试前28天，PM2.5四分位数间每增加一次(4.55μg/m~3)，低IMF(第10百分位：3.2nT)分别与−21.4ml(95%CI：FVC 60.8，18.1)和FVC 7.1ml(95%CI：−37.7，23·4)减少相关；高IMF值(第90百分位数：9.0nT)与−下降120.7 ml(95%CI：-166.5，−74.9)和−下降78.6ml(95%CI：−114.3，−42·8)有关。太阳和地磁活动周期的增加可能直接导致肺功能受损，也会增强PM2.5和BC的影响。由于暴露在太阳活动中无处不在，有必要采取更严格的措施来减少空气污染暴露，特别是在老年人口中。
Increased solar and geomagnetic activity (SGA) may alter sympathetic nervous system activity, reduce antioxidant activity, and modulate physiochemical processes that contribute to atmospheric aerosols, all which may reduce pulmonary function. Investigate associations between forced expiratory volume at 1 s (FEV1) and forced vital capacity (FVC) with SGA, and assess whether SGA enhances adverse effects of particulate pollution, black carbon (BC) and particulate matter ≤2.5 μm in diameter (PM2.5). Methods: We conducted a repeated measures analysis in 726 Normative Aging Study participants (Boston, Massachusetts, USA) between 2000 and 2017, using interplanetary magnetic field (IMF), planetary K index (Kp), and sunspot number (SSN) as SGA measures. Linear mixed effects models were used to assess exposure moving averages up to 28 days for both SGA and pollution. Increases in IMF, Kp Index and SSN from the day of the pulmonary function test averaged through day 28 of were associated with a significant decrement in FEV1 and FVC, after adjusting for potential confounders. There were greater effects for longer moving averages and enhanced effects of PM2.5 and BC on FEV1 and FVC with increased SGA. For example, for each inter-quartile increase (4.55 μg/m3) in average PM2.5 28 days before testing, low IMF (10th percentile: 3.2 nT) was associated with a −21.4 ml (95 % CI: −60.8, 18.1) and −7.1 ml (95 % CI: −37.7, 23·4) decrease in FVC and FEV1, respectively; high IMF (90th percentile: 9.0 nT) was associated with a −120.7 ml (95 % CI:-166.5, −74.9) and −78.6 ml (95 % CI: −114.3, −42·8) decrease in FVC and FEV1, respectively. Increased periods of solar and geomagnetic activity may directly contribute to impaired pulmonary function and also enhance effects of PM2.5 and BC. Since exposure to solar activity is ubiquitous, stricter measures in reducing air pollution exposures are warranted, particularly in elderly populations.
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