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European Archives of Oto-Rhino-Laryngology

Erschienen in:

18.07.2020 | Review Article

Does the external nasal dilator strip help in sports activity? A systematic review and meta-analysis

verfasst von: Ricardo Reis Dinardi, Carlos Henrique Santos Ferreira, Giordani Santos Silveira, Vânia Eloisa de Araújo Silva, Cássio da Cunha Ibiapina, Cláudia Ribeiro de Andrade

Erschienen in: European Archives of Oto-Rhino-Laryngology | Ausgabe 5/2021

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Abstract

Background

Numerous studies have shown that the external nasal dilator (END) increases the cross sectional area of the nasal valve, thereby reducing nasal resistance, transnasal inspiratory pressure, stabilizing the lateral nasal vestibule, and preventing its collapse during final inhalation.

Objectives

Our objective was to carry out a systematic review of the literature and meta-analysis on the effects of the END during physical exercise.

Methods

After selecting articles in the PubMed, Cochrane Library and EMBASE databases, 624 studies were identified. However, after applying the inclusion and exclusion criteria, 19 articles were considered eligible for review.

Results

Those studies included in the meta-analysis, the maximal oxygen uptake (VO₂max.) outcome was assessed in 168 participants in which no statistically significant difference was found, MD (95% CI) = 0.86 [− 0.43, 2.15], p = 0.19, and I² = 0%. The heart rate (HR) outcome was assessed in 138 participants in which no statistically significant difference was found, MD (95% CI) = 0.02 [− 3.19, 3.22], p = 0.99, and I² = 0%. The rating of perceived exertion (RPE) outcome was assessed in 92 participants in which no statistically significant difference was found, MD (95% CI) = − 0.12 [− 0.52, 0.28], p = 0.56, and I² = 27%.

Conclusions

The external nasal dilator strip showed no improvement in VO₂max., HR and RPE outcomes in healthy individuals during exercise.

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Titel: Does the external nasal dilator strip help in sports activity? A systematic review and meta-analysis
verfasst von: Ricardo Reis Dinardi
Carlos Henrique Santos Ferreira
Giordani Santos Silveira
Vânia Eloisa de Araújo Silva
Cássio da Cunha Ibiapina
Cláudia Ribeiro de Andrade
Publikationsdatum: 18.07.2020
Verlag: Springer Berlin Heidelberg
Erschienen in: European Archives of Oto-Rhino-Laryngology / Ausgabe 5/2021
Print ISSN: 0937-4477
Elektronische ISSN: 1434-4726
DOI: https://doi.org/10.1007/s00405-020-06202-5

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Does the external nasal dilator strip help in sports activity? A systematic review and meta-analysis