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Maximum expiratory flow of children and adolescents living at moderate altitudes: Proposed reference values

dc.contributor.authorCossio-Bolaños, Marco Antonio
dc.contributor.authorVidal-Espinoza, Rubén
dc.contributor.authorCastelli Correia de Campos, F.
dc.contributor.authorUrzúa Alul, Luis
dc.contributor.authorFuentes-López, José D.
dc.contributor.authorSulla-Torres, José
dc.contributor.authorLee-Andruske, Cynthia
dc.contributor.authorGómez-Campos, Rossana
dc.date.accessioned2021-12-15T13:46:53Z
dc.date.available2021-12-15T13:46:53Z
dc.date.issued2021
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/3621
dc.description.abstractBackground: Spirometry is useful for diagnosing and monitoring many respiratory diseases. The objectives were: (a) compare maximum expiratory flow (MEF) values with those from international studies, (b) determine if MEF should be evaluated by chronological age and/or maturity, (c) develop reference norms for children, and adolescents. (2) Methods: A cross-sectional study was designed with 3900 subjects ages 6.0 and 17.9 years old. Weight, standing height, sitting height, and MEF were measured. Length of the lower limbs, body mass index (BMI), and age of peak height velocity growth (APHV) were calculated. (3) Results: Values for the curves (p50) for females of all ages from Spain and Italy were higher (92 to 382 (L/min)) than those for females from Arequipa (Peru). Curve values for males from Spain and Italy were greater [70 to 125 (L/min)] than the males studied. MEF values were similar to those of Chilean students ages 6 to 11. However, from 12 to 17 years old, values were lower in males (25 to 55 (L/min)) and in females (23.5 to 90 (L/min)). Correlations between chronological age and MEF in males were from (r = 0.68, R2 = 0.39) and in females from (r = 0.46, R2 = 0.21). Correlations between maturity (APHV) and MEF for males were from (r = 0.66, R2 = 0.44) and for females (r = 0.51, R2 = 0.26). Percentiles were calculated for chronological age and APHV. Conclusion: Differences occurred in MEF when compared with other geographical regions of the world. We determined that maturity may be a more effective indicator for analyzing MEF. Reference values were generated using chronological age and maturity.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceHealthcare, 9(3), 264es_CL
dc.subjectMaximum expiratory flowes_CL
dc.subjectChildrenes_CL
dc.subjectAdolescentses_CL
dc.subjectPercentileses_CL
dc.subjectAltitudees_CL
dc.titleMaximum expiratory flow of children and adolescents living at moderate altitudes: Proposed reference valueses_CL
dc.typeArticlees_CL
dc.ucm.facultadFacultad de Ciencias de la Educaciónes_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.indexacionIsies_CL
dc.ucm.uriwww.mdpi.com/2227-9032/9/3/264es_CL
dc.ucm.doidoi.org/10.3390/healthcare9030264es_CL


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