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Impulse oscillometry reference values and bronchodilator response in three- to five-year old children living at high altitude

dc.rights.licenceAtribución-NoComercial 4.0 Internacional*
dc.contributor.authorDuenas-Meza, Elida
dc.contributor.authorCorrea, Eliana
dc.contributor.authorLópez, Eliana
dc.contributor.authorMorales, Juan Carlos
dc.contributor.authorAguirre-Franco, Carlos Eduardo
dc.contributor.authorMorantes-Ariza, Carlos Fabián
dc.contributor.authorGranados, Carlos Eduardo
dc.contributor.authorGonzález-García, Mauricio
dc.date.accessioned2021-04-19T17:04:46Z
dc.date.available2021-04-19T17:04:46Z
dc.date.created2019-09-19
dc.identifierhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6757110/spa
dc.identifier.issn1178-6965 (Electrónico)spa
dc.identifier.urihttp://hdl.handle.net/10554/53603
dc.formatPDFspa
dc.format.mimetypeapplication/pdfspa
dc.language.isoengspa
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.titleImpulse oscillometry reference values and bronchodilator response in three- to five-year old children living at high altitudespa
dc.type.hasversionhttp://purl.org/coar/version/c_ab4af688f83e57aa
dc.description.quartilewosQ2spa
dc.description.quartilescopusQ1spa
dc.identifier.doihttps://doi.org/10.2147/JAA.S214297spa
dc.description.abstractenglishIntroduction: Impulse oscillometry (IOS) is used to measure airway impedance. It is an effective tool for diagnosing and treating respiratory diseases, and it has the advantage that it does not require forced respiratory maneuvers. IOS reference values are required for each population group. Objective: This study aimed to determine the IOS reference values and bronchodilator response in healthy preschool children living in Bogotá, Colombia. Methods: We performed a cross-sectional study in preschool children who had no history of respiratory disease; 96 children fit the parameters for testing to determine normal values according to the American Thoracic Society and European Respiratory Society criteria. Results: Values for respiratory resistance (Rrs) and reactance (Xrs) at 5, 10, and 20 Hz, respiratory impedance (Zrs, and resonance frequency (Fres) were established. Height was the most influential independent variable for IOS values; an increase in height led to a reduction in Rrs5 and Rrs20 and an increase in Xrs5. After the administration of 400 mcg of salbutamol the values for Rrs5(-17.48%), Rrs20(-8.63%), Fres (-10.68%), and area of reactance (-35.44%) were reduced, meanwhile Xrs5 (15.35%) was increased. Conclusions: Normal IOS values before and after the administration of 400 mcg of salbutamol were determined for a population of children aged 3-5 years at 2,640 m. Reference IOS equations for these children are presented. A relative change of up to -28% and 36% after the use of salbutamol for respiratory resistance and reactance, respectively, should be considered as an upper limit of the normal range, and possible appropriate cut-off values for defining significant response for evaluating therapeutic interventions. Keywords: children; cross-sectional studies; high altitude; oscillometry; reference values; respiratory function tests.spa
dc.type.localArtículo de revistaspa
dc.contributor.corporatenamePontificia Universidad Javeriana. Facultad de Medicina. Departamento de Ciencias Fisiológicas. Grupo de investigación CANNON
dc.identifier.instnameinstname:Pontificia Universidad Javerianaspa
dc.identifier.reponamereponame:Repositorio Institucional - Pontificia Universidad Javerianaspa
dc.identifier.repourlrepourl:https://repository.javeriana.edu.cospa
dc.type.coarhttp://purl.org/coar/resource_type/c_6501spa
dc.relation.citationstartpage263spa
dc.relation.citationendpage271spa
dc.relation.ispartofjournalJournal of Asthma and Allergyspa
dc.description.indexingN/Aspa
dc.relation.citationvolume12spa
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2spa


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