Artículos de revistas
Correlation Between The Peak Nasal Inspiratory Flow And The Visual Analogue Scale Before And After Using A Nasal Decongestant [correlação Entre Peak Flow Nasal Inspiratório E Escala Visual Analógica Pré E Pós Uso De Vasoconstrictor Nasal]
Registro en:
International Archives Of Otorhinolaryngology. , v. 15, n. 2, p. 156 - 162, 2011.
18099777
2-s2.0-84859885030
Autor
Franco Teixeira R.U.
Monteiro Zappelini C.E.
Oliveira L.G.
Basile L.C.G.
Andrade Da Costa E.
Institución
Resumen
Introduction: The measurement of the peak nasal inspiratory flow (PNIF) is easily and swiftly obtained, but hardly spread in Brazil though. On the other hand, the visual analogue scale (VAS) for nasal obstruction is a subjective measurement that can also be used. Objective: To evaluate the correlation between PNIF and VAS for nasal obstruction before and after occurring a change in the nasal patency caused by the topic vasoconstriction. Study outline: Non-randomized clinical and experimental study. Method: 60 volunteers, including patients, doctors, nurses and administrative assistants of the institution were submitted to PNIF and VAS examinations before and after the nasal vasoconstriction with oxymetazoline chloride at 0.05%. Results: The average value found for pre-vasoconstriction VAS was 4.1 and, for post-vasoconstriction, it was 2. This represented a 44% range between the measurements. With regard to PNIF values, the average found when measuring the vasoconstriction was 151 l/min and 178 l/min after vasoconstriction, showing a 20% increase. At the pre-vasoconstrictor moment, increasing a point in average VAS value corresponds to a 3.8% decrease in average PNIF value. In the post-vasoconstriction, each increase of a point in average VAS value corresponds to a 4.5% decrease in average PNIF value. Conclusion: There was an important correlation between the objective measurement of the nasal obstruction through PNIF and the subjective measurement provided by VAS before nasal vasoconstriction. 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