Geomagnetic disturbances driven by solar activity enhance total and cardiovascular mortality risk in 263 U.S. cities

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dc.contributor.authorSilva, Danilo Alvares da
dc.contributor.authorZilli Vieira, Carolina L.
dc.contributor.authorBlomberg, Annelise.
dc.contributor.authorSchwartz, Joel.
dc.contributor.authorCoull, Brent.
dc.contributor.authorHuang, Shaodan.
dc.contributor.authorKoutrakis, Petros.
dc.date.accessioned2019-10-17T15:32:05Z
dc.date.available2019-10-17T15:32:05Z
dc.date.issued2019
dc.date.updated2019-10-14T18:55:17Z
dc.description.abstractAbstract Background Short-term geomagnetic disturbances (GMD) driven by the quasi-periodic 11-year cycle of solar activity have been linked to a broad range of adverse health effects, including cardiovascular diseases (CVD) and total deaths. We conducted a large epidemiological study in 263 U.S. cities to assess the effects of GMD on daily deaths of total, CVD, myocardial infarction (MI), and stroke. Methods We employed a two-step meta-analysis approach, in which we estimated city-specific and season-stratified mortality risk associated with a GMD parameter (Kp index) in 263 U.S. cities. In addition, sensitivity analysis was performed to assess whether effect modification of particulate matter (PM2.5) in the prior day changed Kp index effects on daily deaths after adjusting for confounders. Results We found significant association between daily GMD and total, CVD, and MI deaths. The effects were even stronger when we adjusted the models for 24-h PM2.5 for different seasons. For example, in the winter and fall one standard deviation of z-score Kp index increase was associated with a 0.13 and 0.31% increase in total deaths, respectively (Winter: p = 0.01, 95% CI: 0.02 to 0.24; Fall: p = 0.00001; 95% CI: 0.23 to 0.4), without adjusting for PM2.5. The effects of GMD on total deaths were also observed in spring and summer in the models without PM2.5 (p = 0.00001). When the models were adjusted for PM2.5 the total deaths increased 0.47% in winter (p = 0.00001, 95% CI: 0.3 to 0.65) and by 0.23% in fall (p = 0.001, 95% CI: 0.09 to 0.37). The effects of GMD were also significant associated with MI deaths and CVD. No positive significant association were found between Kp and stroke. The GMD effects on deaths were higher than for 24 h-PM2.5 alone, especially in spring and fall. Conclusion Our results suggest that GMD is associated with total, CVD and MI deaths in 263 U. S cities. Increased mortality in the general population during GMD should be further investigated to determine whether those human physiological dynamics driven by variations in solar activity can be related to daily clinical cardiovascular observations.
dc.fuente.origenBiomed Central
dc.identifier.citationEnvironmental Health. 2019 Sep 11;18(1):83
dc.identifier.doi10.1186/s12940-019-0516-0
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/26776
dc.issue.numeroNo. 83
dc.language.isoen
dc.pagina.final10
dc.pagina.inicio1
dc.revistaEnvironmental Healthes_ES
dc.rightsacceso abierto
dc.rights.holderThe Author(s).
dc.subject.ddc610
dc.subject.deweyMedicina y saludes_ES
dc.subject.otherEnfermedades cardiovascularesInfarto del miocardioInfarto del miocardio Estadísticases_ES
dc.titleGeomagnetic disturbances driven by solar activity enhance total and cardiovascular mortality risk in 263 U.S. citieses_ES
dc.typeartículo
dc.volumenVol. 18
sipa.codpersvinculados1081962
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