Nasal function and cardio-respiratory capacity of adolescents with external nasal dilator

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dc.creatorCarlos Henrique Santos Ferreira
dc.creatorRicardo Reis Dinardi
dc.creatorCassio da Cunha Ibiapina
dc.creatorCláudia Ribeiro de Andrade
dc.date.accessioned2023-07-18T21:57:15Z
dc.date.accessioned2025-09-08T23:59:45Z
dc.date.available2023-07-18T21:57:15Z
dc.date.issued2020-10-03
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1016/j.ijporl.2020.110430
dc.identifier.issn01655876
dc.identifier.urihttps://hdl.handle.net/1843/56672
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofInternational Journal of Pediatric Otorhinolaryngology
dc.rightsAcesso Restrito
dc.subjectExercício Físico
dc.subject.otherExternal nasal dilator
dc.subject.otherNasal resistance
dc.subject.otherPhysical exercise
dc.subject.otherNasal patency and PNIF
dc.titleNasal function and cardio-respiratory capacity of adolescents with external nasal dilator
dc.typeArtigo de periódico
local.citation.epage5
local.citation.issue110430
local.citation.spage1
local.citation.volume139
local.description.resumoBackground: the external nasal dilator (END) has been employed for the purpose of aiding sporting performance. The objective of this study was to evaluate nasal function and cardio-respiratory capacity in healthy adolescent athletes using the END. Methods: double-blind, crossover clinical trial in which adolescents were evaluated while using the experimental and placebo END during physical exercise. Values for peak nasal inspiratory flow (PNIF), nasal resistance (NR) and maximal oxygen uptake (VO2max) were obtained in randomized order. Additionally, the rating of perceived exertion (RPE) after the cardio-respiratory test was assessed. Results: for the 71 adolescents evaluated, the use of the experimental END, compared to the placebo, produced a significant improvement in values of PNIF (177.4 ± 20.9 L/min and 172.8 ± 20.2 L/min) (p = 0.020), NR (0.24 ± 0.16 and 0.27 ± 0.16) (p = 0.007), VO2max. (39.5 ± 5.2 mL/kg. min-1 and 37.5 ± 5.2 mL/kg. min-1) (p <0.001) and RPE (6.0 ± 2.2 and 5.5 ± 2.4) (p < 0.001), respectively. Conclusion: the END reduced NR, increased PNIF and improved VO2max. In addition, it improved RPE after the maximal cardio-respiratory test. The use of the END can significantly improve nasal function, increase cardio respiratory capacity and reduce rating of perceived exertion during a maximal test involving adolescent athlet.
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE PEDIATRIA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S0165587620305735?via%3Dihub

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