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Revista Brasileira de Otorrinolaringologia

Print version ISSN 0034-7299


TRINDADE, Inge Elly Kiemle; GOMES, Adriana de Oliveira Camargo; SAMPAIO-TEIXEIRA, Ana Claudia Martins  and  TRINDADE, Sergio Henrique Kiemle. Adult nasal volumes assessed by acoustic rhinometry. Rev. Bras. Otorrinolaringol. [online]. 2007, vol.73, n.1, pp.32-39. ISSN 0034-7299.

Acoustic rhinometry allows an objective and non-invasive assessment of nasal geometry. AIM: The present study aimed at determining the volumes of specific segments of the nasal cavity in healthy adults including the nasopharynx, using acoustic rhinometry. Study design: A clinical prospective analysis. CASES AND METHOD: Thirty volunteers with no evidence of nasal obstruction, aged 18 to 30 years (14 males and 16 females) were analyzed. Volumes were measured at the nasal valve region (V1), the turbinates (V2), and the nasopharynx (V3), before and after application of a topical nasal vasoconstrictor. RESULTS: The mean volumes measured in 60 cavities before nasal decongestion, were: 1.81±0.35cm3 (V1), 4.02±1.41cm3 (V2), and 17.52±4.44cm3 (V3) for males, and 1.58±0.25cm3 (V1), 3.94±1.03cm3 (V2), and 17.80±2.73cm3 (V3) for females. Gender differences were only significant in V1 (p<0.05). After nasal decongestion, the volumes of all the analyzed segments were significantly larger (p<0.05), and the gender differences were significant for V1 and V2. CONCLUSION: Volumes of the three segments in adults with no evidence of nasal obstruction may be used as reference values for other studies.

Keywords : nasal cavity; acoustic rhinometry; reference values.

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