AI Article Synopsis
- - The systematic review aimed to assess how nasal dilators influence running performance by expanding the nasal valve area and included studies of healthy individuals facing various comparisons like placebo and other interventions.
- - The review searched multiple databases and selected studies using the PICOS framework, focusing on cardiorespiratory parameters and subjective feelings of exertion.
- - Out of 11 articles analyzed, nasal dilators showed a slight advantage in improving maximal oxygen uptake and perceived effort compared to placebo, but the evidence quality was deemed very low, suggesting future research is needed for more reliable conclusions.
Article Abstract
Nasal dilators were created to expand the nasal valve area. The aim of this systematic review was to verify physiological parameters associated to running performance with the use of nasal dilators. This study was registered in PROSPERO (CRD42021225795). According to the PICOS framework studies were included: Population: healthy subjects; Intervention: nasal dilators; Comparison: control group, placebo, minimal intervention, health education or other intervention; Outcomes: cardiorespiratory parameters and subjective perceptions; Study: randomized controlled trials, repeated measures or within-subjects design. The databases searched were MEDLINE, EMBASE, CENTRAL The Cochrane Library, CINAHL, SPORTDiscus, Web of Science, PEDro and Scopus. The descriptors "Running", "Nasal Dilator", "Randomized Controlled Trial", and synonyms were used. The risk of bias was assessed using the PEDro scale. Random effects Der Simonian and Laird model were used. The assessment of the certainty of the evidence was carried out using the GRADE approach. Eleven articles were included. There was a difference in favour of the nasal dilator when compared to placebo for maximal oxygen uptake and rating of perceived exertion. The certainty of the evidence was very low. Future studies will probably have an impact on estimation of the effect.
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| http://dx.doi.org/10.1080/02640414.2022.2151752 | DOI Listing |
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