Impact of COVID-19 lockdown restrictions: Ambient NO2 and asthma hospital admissions

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dc.contributor.authorQuintyne, Keith Ian
dc.contributor.authorKelly, C.
dc.contributor.authorSheridan, A.
dc.contributor.authorKenny, P.
dc.contributor.authorO'Dwyer, M.
dc.date.accessioned2021-10-12T14:17:44Z
dc.date.available2021-10-12T14:17:44Z
dc.date.issued2021
dc.description.abstractAim: The World Health Organization (WHO) declared the COVID-19 pandemic a global health emergency. Many countries of the world, including Ireland, closed their borders and imposed nationwide lockdown. During this period, all major anthropogenic transport activities, which contribute to atmospheric pollution, were restricted. The current study examines the impact of the transport restrictions on ambient nitrogen dioxide (NO2) concentrations and hospital admissions for asthma across Ireland. Methods: This is a retrospective population-based cohort study. National ambient air quality monitoring network data were analysed to investigation variations in NO2 concentrations. Asthma hospital admissions data were collected from the HSE Hospital In-patient Enquiry (HIPE) for Cork, Dublin, and Meath.Results: During the period of transport restrictions, there were reductions in the annual mean NO2 for Cork, Dublin and Meath (i.e. 12µg/m3 to 11µg/m3 (p = 1); 25µg/m3 to 17µg/m3 (p < 0.001); and 23µg/m3 to 21µg/m3 (p = 1)). Reductions in asthma hospital admissions were also observed. Among the 8,471 patient episodes included in this study, the mean [SD] age at admission was 47.2[22.9] years; 61% were female (n=5,134); mean [SD] length of stay was 4.9[10.9] days. Conclusion: The findings of this study provide an opportunity to explore the impact of NO2 emissions for Cork, Dublin and Meath on asthma hospital admissions, in order to improve air quality modelling and policy development of management of asthma.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleidP413en
dc.identifier.citationQuintyne, K. I., Kelly, C., Sheridan, A., Kenny, P. and O’Dwyer, M. (2021) 'Impact of COVID-19 lockdown restrictions: Ambient NO2 and asthma hospital admissions', Irish Medical Journal, 114(7), P413 (9pp). Available at: http://www.imj.ie/wp-content/uploads/2021/08/Impact-of-COVID-19-Lockdown-Restrictions-Ambient-NO2-and-Asthma-Hospital-Admissions.pdf (Accessed: 12 October 2021)en
dc.identifier.endpage9en
dc.identifier.issn0332-3102
dc.identifier.issued7en
dc.identifier.journaltitleIrish Medical Journalen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/12089
dc.identifier.volume114en
dc.language.isoenen
dc.publisherIrish Medical Organisationen
dc.relation.urihttp://www.imj.ie/wp-content/uploads/2021/08/Impact-of-COVID-19-Lockdown-Restrictions-Ambient-NO2-and-Asthma-Hospital-Admissions.pdf
dc.relation.urihttp://imj.ie/irish-medical-journal-july-august-2021-vol-114-no-7/
dc.rights© 2021, Irish Medical Journal. All rights reserved.en
dc.subjectCOVID-19en
dc.subjectAir pollutionen
dc.subjectAmbient NO2en
dc.subjectTransport restrictionsen
dc.subjectHospital morbidityen
dc.titleImpact of COVID-19 lockdown restrictions: Ambient NO2 and asthma hospital admissionsen
dc.typeArticle (peer-reviewed)en
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