Clinical application of nasometry in patients with nasal obstruction

Georges Ziade, MD; Maher Kasti, MD; Doja Sarieddine, BS; Zein Saadeddine, BS; Abdul-Latif Hamdan, MD

Abstract

The purpose of this case-control study is to report on the clinical application of nasometry as a diagnostic tool in patients with the symptom of nasal obstruction compared with subjects with no history of nasal obstruction. Thirty-eight adult patients (mean age: 28.1 years) complaining of nasal obstruction were enrolled in the study, and another group of 38 adults (mean age: 25.9 years) with no history of nasal obstruction served as controls. Demographic data, including age and sex, were collected. Patients were asked to read three passages; the Zoo passage, the Rainbow passage, and nasal sentences. Nasalance scores were reported on all subjects using a Nasometer II instrument. The control and patient groups each included 22 men and 16 women. No statistically significant difference in nasalance score was found between the study group and the control group in any of the Zoo passage, Rainbow passage and nasal sentences. We conclude that nasometry has limited value in the objective assessment of nasal obstruction as a symptom, which we attribute to nasal obstruction's not always reflecting the volume and pressure in the nasal cavity.

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