Reference values for spirometry in preschool children

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dc.contributor.authorBurity, Edjane F.
dc.contributor.authorPereira, Carlos A. C. [UNIFESP]
dc.contributor.authorRizzo, Jose A.
dc.contributor.authorBrito, Murilo C. A.
dc.contributor.authorSarinho, Emanuel S. C.
dc.contributor.institutionUniversidade Federal de Pernambuco (UFPE)
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionFundacao Oswaldo Cruz Fiocruz
dc.date.accessioned2016-01-24T14:31:54Z
dc.date.available2016-01-24T14:31:54Z
dc.date.issued2013-07-01
dc.description.abstractObjectives: Reference values for lung function tests differ in samples from different countries, including values for preschoolers. the main objective of this study was to derive reference values in this population.Methods: A prospective study was conducted through a questionnaire applied to 425 preschool children aged 3 to 6 years, from schools and day-care centers in a metropolitan city in Brazil. Children were selected by simple random sampling from the aforementioned schools. Peak expiratory flow (PEF), forced vital capacity (FVC), forced expiratory volumes (FEV,, FEV0.50), forced expiratory flow (FEF25.75) and FEV1/FVC, FEV0.5/FVC and FEF25.75/FVC ratios were evaluated.Results: of the 425 children enrolled, 321 (75.6%) underwent the tests. of these, 135 (42.0%) showed acceptable results with full expiratory curves and thus were included in the regression analysis to define the reference values. Height and gender significantly influenced FVC valuesthrough linear and logarithmic regression analysis. in males, R-2 increased with the logarithmic model for FVC and FEV1, but the linear model was retained for its simplicity. the lower limits were calculated by measuring the fifth percentile residues.Conclusion: Full expiratory curves are more difficult to obtain in preschoolers. in addition to height, gender also influences the measures of FVC and FEV1. Reference values were defined for spirometry in preschool children in this population, which are applicable to similar populations. (C) 2013 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.en
dc.description.affiliationUniv Fed Pernambuco UFPE, Recife, PE, Brazil
dc.description.affiliationUniversidade Federal de São Paulo UNIFESP, Dept Med, Escola Paulista Med, São Paulo, Brazil
dc.description.affiliationUniv Fed Pernambuco, Dept Med Clin, Recife, PE, Brazil
dc.description.affiliationFundacao Oswaldo Cruz Fiocruz, Ctr Pesquisas Ageu Magalhaes CPqAM, Recife, PE, Brazil
dc.description.affiliationUniv Fed Pernambuco, Recife, PE, Brazil
dc.description.affiliationUnifespUniversidade Federal de São Paulo UNIFESP, Dept Med, Escola Paulista Med, São Paulo, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipFundacao de Amparo a Ciencia e Tecnologia de Pernambuco (Facepe) - Brazil
dc.format.extent374-380
dc.identifierhttp://dx.doi.org/10.1016/j.jped.2013.01.002
dc.identifier.citationJornal de Pediatria. Rio de Janeiro, Rj: Soc Brasil Pediatria, v. 89, n. 4, p. 374-380, 2013.
dc.identifier.doi10.1016/j.jped.2013.01.002
dc.identifier.fileS0021-75572013000400009.pdf
dc.identifier.issn0021-7557
dc.identifier.scieloS0021-75572013000400009
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/36446
dc.identifier.wosWOS:000323798300009
dc.language.isoeng
dc.publisherSoc Brasil Pediatria
dc.relation.ispartofJornal de Pediatria
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectChilden
dc.subjectPreschoolen
dc.subjectSpirometryen
dc.subjectReference valuesen
dc.subjectLung function testsen
dc.titleReference values for spirometry in preschool childrenen
dc.typeinfo:eu-repo/semantics/article
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