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The Impact of Sleep on Haematological Parameters in Firefighters

2024Artigo científico Acesso aberto
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dc.contributor.authorAlves, Sara Elisa Brás
dc.contributor.authorSilva, Francisca
dc.contributor.authorEsteves, Filipa
dc.contributor.authorCosta, Solange
dc.contributor.authorSlezakova, Klara
dc.contributor.authorAlves, Maria José
dc.contributor.authorPereira, Maria do Carmo
dc.contributor.authorTeixeira, João Paulo Fernandes
dc.contributor.authorMorais, Simone
dc.contributor.authorFernandes, Adília
dc.contributor.authorQueiroga, Felisbina
dc.contributor.authorVaz, Josiana A.
dc.date.accessioned2024-10-21T13:34:21Z
dc.date.available2024-10-21T13:34:21Z
dc.date.issued2024
dc.description.abstractSleep is a vital process that impacts biological functions such as cell renewal, bone regeneration, and immune system support. Disrupted sleep can interrupt erythropoiesis, leading to fewer red blood cells, reduced haemoglobin concentration, and decreased haematocrit levels, potentially contributing to haematological disorders. This is particularly concerning for shift workers for example firefighters. While previous studies have explored sleep’s adverse effects on various professions, research specific to firefighters is limited. This study investigates the relationship between sleep quality and haematological parameters among firefighters in Northeast Portugal. From a sample of 201 firefighters, variations in red blood cells, haemoglobin, and haematocrit values were linked to sleep quality. The study utilised non-parametric tests (Wilcoxon-Mann-Whitney, Spearman’s correlation) to explore the connection between sleep quality and haematological profile. The impact of covariates on haematological parameters was assessed using non-parametric ANCOVA (Quade’s). A multiple regression analysis was employed to further understand how sleep quality and various confounding variables impact haematological levels. Findings suggest a negative link between sleep quality and haematological levels, meaning that as sleep quality deteriorates, there is a tendency for haematological levels to decrease, as indicated by Spearman’s correlation (rRBC = −0.157, pRBC = 0.026; rHb = −0.158, pHb = 0.025; rHCT = −0.175, pHCT = 0.013). As observed in scientific literature, the correlation found suggests a possible inhibition of erythropoiesis, the process responsible for red blood cell production. Despite firefighters presenting a haematological profile within the reference range (RBC: 5.1 × 106/mm3 (SD ± 0.4), Hb: 15.6 g/dL (SD ± 1.3), 47% (SD ± 1.0), there is already an observable trend towards lower levels. The analysis of co-variables did not reveal a significant impact of sleep quality on haematological levels. In conclusion, this study underscores the importance of sleep quality in determining haematological parameters among firefighters. Future research should investigate the underlying mechanisms and long-term implications of poor sleep quality on firefighter health. Exploring interventions to enhance sleep quality is vital for evidence-based strategies promoting firefighter well-being.pt_PT
dc.description.sponsorshipThis research was funded by the Portuguese Foundation for Science and Technology (FCT) through the project PCIF/SSO/0017/2018 and through National funds via FCT/MCTES (PIDDAC), CIMO (UIDB/00690/2020 and UIDP/00690/2020), and SusTEC (LA/P/0007/2020). http://doi.org/10.54499/PCIF/SSO/0017/2018.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlves, Sara; Silva, Francisca; Esteves, Filipa; Costa, Solange; Slezakova, Klara; Alves, Maria; Pereira, Maria; Teixeira, João; Morais, Simone; Fernandes, Adília; Queiroga, Felisbina; Vaz, Josiana (2024). The Impact of Sleep on Haematological Parameters in Firefighters. Clocks & Sleep. ISSN 2624-5175. 6:3, p. 291-311pt_PT
dc.identifier.doi10.3390/clockssleep6030021pt_PT
dc.identifier.issn2624-5175
dc.identifier.urihttp://hdl.handle.net/10198/30465
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationMountain Research Center
dc.relationMountain Research Center
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectHaemoglobinpt_PT
dc.subjectHaematocritpt_PT
dc.subjectPSQIpt_PT
dc.subjectCircadian rhythmspt_PT
dc.titleThe Impact of Sleep on Haematological Parameters in Firefighterspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PCIF%2FSSO%2F0017%2F2018/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.citation.endPage311pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage291pt_PT
oaire.citation.titleClocks & Sleeppt_PT
oaire.citation.volume6pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameAlves
person.familyNameFernandes
person.familyNameVaz
person.givenNameMaria José
person.givenNameAdília
person.givenNameJosiana A.
person.identifier.ciencia-idD618-B3A9-D312
person.identifier.ciencia-id0514-76CD-8CCF
person.identifier.ciencia-id171B-88BA-64F5
person.identifier.orcid0000-0001-8506-4393
person.identifier.orcid0000-0003-1658-4509
person.identifier.orcid0000-0002-6989-1169
person.identifier.ridM-6624-2016
person.identifier.ridV-8399-2017
person.identifier.scopus-author-id16400584800
person.identifier.scopus-author-id56489572200
person.identifier.scopus-author-id16305323200
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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