• Yaskara Amorim Filgueira, Vanderlan Nogueira Holanda, Fonseca Fernando Luiz Affonso FLA http://orcid.org/0000-0003-1223-1589 Centro Universitário Saúde ABC, Santo André, SP, Brasil., and David Feder.
• Departamento de Fisioterapia, Centro Universitário Doutor Leão Sampaio - Unileão, Juazeiro do Norte, CE, Brasil.
• Rev Assoc Med Bras (1992). 2020 Nov 1; 66 (11): 1503-1508.

ObjectiveTo characterize the effects of nasal aspiration with Proetz® in peak nasal inspiratory flow (PNIF) in pediatric sinusitis (PS) patients with nasal obstruction.MethodsThis is a non-randomized descriptive-analytical clinical trial with a quantitative approach. The sample comprised 30 children. Initially, the PNIF was measured and the Visual Analogical Scale (VAS) was used for nasal obstruction, followed by the nasal aspiration procedure. The SNOT-22 questionnaire was applied to the legal guardian of each child, and one week later, it was reapplied for the sake of follow-up.Results16 (53.3%) patients were females and 14 (46.7%) were males, with an average age of 6.4±1.8 years (between 4 and 10 years of age). Analyses of the VAS for obstruction before the intervention revealed that 10 of the participants (33.3%) presented moderate levels, and 20 of them (66.7%) severe levels. However, after the Proetz® method was applied, all the samples (n=30) had mild levels. The PNIF significantly increased after the technique was used, with an improvement of 23.4% in mean values. There was no significant correlation between the VAS and the PNIF.ConclusionNasal aspiration with the Proetz® method significantly improved the clinical condition of sinusitis patients with nasal obstruction according to the visual analogical scale, the PNIF, and the SNOT-22 questionnaire. No correlation between the VAS and the PNIF could be found. The study confirms the importance of non-pharmacological interventions in the treatment of sinusitis in children, thus resulting in an improvement in their quality of life.

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