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The influence of the winter North Atlantic Oscillation index on hospital admissions through diseases of the circulatory system in Lisbon, Portugal

2017Journal article Open access
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dc.contributor.authorAlmendra, Ricardo
dc.contributor.authorSantana, Paula
dc.contributor.authorVasconcelos, João
dc.contributor.authorSilva, Giovani
dc.contributor.authorGonçalves, Fábio
dc.contributor.authorAmbrizi, Tércio
dc.date.accessioned2022-11-28T11:32:50Z
dc.date.available2022-11-28T11:32:50Z
dc.date.issued2017
dc.description.abstractThe aim of this paper is to analyze the relationship between North Atlantic Oscillation (NAO), meteorological variables, air pollutants, and hospital admissions due to diseases of circulatory systems in Lisbon (Portugal) during winter months (2003–2012). This paper is one of the few studies analyzing the impact of NAO on health through its influence on thermal stress and air pollution and is the first to be conducted in Lisbon. This study uses meteorological data (synthetized into a thermal comfort index), air pollutant metrics, and the NAO index (all clustered in 10-day cycles to overcome daily variability of the NAO index). The relationship between morbidity, thermal comfort index, NAO index, and air pollutants was explored through several linear models adjusted to seasonality through a periodic function. The possible indirect effect between the NAO index and hospital admissions was tested, assuming that NAO (independent variable) is affecting hospital admissions (outcome variable) through thermal discomfort and/or pollution levels (tested as individual mediators). This test was conducted through causal mediation analysis and adjusted for seasonal variation. The results from this study suggest a possible indirect relationship between NAO index and hospital admissions. Although NAO is not significantly associated with hospital admissions, it is significantly associated with CO, PM2.5, NO, and SO2 levels, which in turn increase the probability of hospitalization. The discomfort index (built with temperature and relative humidity) is significantly associated with hospital admissions, but its variability is not explained by the NAO index. This study highlights the impacts of the atmospheric circulation patterns on health. Furthermore, understanding the influence of the atmospheric circulation patterns can support the improvement of the existing contingency plans.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlmendra, R., Santana, P., Vasconcelos, J. et al. The influence of the winter North Atlantic Oscillation index on hospital admissions through diseases of the circulatory system in Lisbon, Portugal. Int J Biometeorol 61, 325–333 (2017). https://doi.org/10.1007/s00484-016-1214-zpt_PT
dc.identifier.doi10.1007/s00484-016-1214-zpt_PT
dc.identifier.issn0020-7128
dc.identifier.issn1432-1254
dc.identifier.urihttp://hdl.handle.net/10400.8/7885
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relation.publisherversionhttps://link.springer.com/article/10.1007/s00484-016-1214-zpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectNorth Atlantic Oscillationpt_PT
dc.subjectCirculatory system diseasespt_PT
dc.subjectAir pollutionpt_PT
dc.subjectHospital admissionspt_PT
dc.titleThe influence of the winter North Atlantic Oscillation index on hospital admissions through diseases of the circulatory system in Lisbon, Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage333pt_PT
oaire.citation.startPage325pt_PT
oaire.citation.titleInternational Journal of Biometeorologypt_PT
oaire.citation.volume61pt_PT
person.familyNameAlmendra
person.familyNameSantana
person.familyNameVasconcelos
person.givenNameRicardo
person.givenNamePaula
person.givenNameJoão
person.identifierI-6653-2019
person.identifierV-9161-2017
person.identifier.ciencia-idAE14-8D9C-2149
person.identifier.ciencia-id6D16-BF67-4EEE
person.identifier.ciencia-idBA11-D3C0-14C3
person.identifier.orcid0000-0002-2712-9643
person.identifier.orcid0000-0002-7658-8475
person.identifier.orcid0000-0002-2818-5188
person.identifier.ridO-1104-2013
person.identifier.scopus-author-id7003526784
person.identifier.scopus-author-id37108732400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication9cf76001-c8fc-40f4-b86f-6d915d18b641
relation.isAuthorOfPublicationea6bbf66-372c-471e-a8ee-5667793d32fb
relation.isAuthorOfPublication1e2eb9ac-0cc6-458d-9541-7b3693588e0e
relation.isAuthorOfPublication.latestForDiscovery9cf76001-c8fc-40f4-b86f-6d915d18b641

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