"Dimensões nasais e nasofaríngeas de indivíduos sem evidências de obstrução nasal avaliadas por rinometria acústica no repouso e na fala." / Nasal and nasopharyngeal dimensions of individuals without evidences of nasal obstruction assessed by acoustic rhinometry during rest and speech
AUTOR(ES)
Adriana de Oliveira Camargo Gomes
DATA DE PUBLICAÇÃO
2004
RESUMO
Objective: To determine cross-sectional areas and volumes of specific segments of the nasal cavity, including the nasopharyngeal region, of individuals without evidences of nasal obstruction, and the same volumes during speech, with the purpose of establishing reference values. Model: Prospective analysis. Setting: Laboratory of Physiology, HRAC-USP. Participants: 30 caucasians volunteers, aged between 18 and 30 years (14 males and 16 females). Intervention/Variables: Cross-sectional areas corresponding to the nasal valve (CSA1), anterior edge of the inferior turbinate (CSA2) and posterior edge of the inferior turbinate (CSA3), and volumes corresponding to the nasal valve (V1), turbinate (V2) and nasopharyngeal regions (V3) were evaluated. Measurements were performed by acoustic rhinometry before and after nasal decongestion, at rest (voluntary interruption of respiration) and during velopharyngeal activity (silent continuous production of the sound /f/). Results: Mean values (±SD) of areas (in cm2) and volumes (in cm3) were the following: CSA1=0,54±0,13, CSA2=0,98±0,31, CSA3=1,42±0,44, V1=1,68±0,32, V2=3,98±1,12 and V3=18,93±3,51. After decongestion, the values were significantly larger (p<0,05). During speech, volumes were the following: V1=1,80±0,22; V2=4,22±1,20; V3=15,32±5,40. Nasopharyngeal volume (V3) measured during speech was significantly smaller than at rest (p<0,05). Conclusion: The comparison of the nasal cross-sectional areas and volumes obtained with those reported in the literature validate their use as reference values and the use of acoustic rhinometry to assess nasal geometry and velopharyngeal activity during speech.
ASSUNTO(S)
acoustic rhinometry nasal cavity nariz rinometria acústica nasofaringe cavidade nasal nose nasopharynx
Documentos Relacionados
- Dimensões internas nasais de adultos com obstrução nasal avaliadas por rinometria acústica
- Internal nasal dimensions of children with unilateral cleft lip and palate assessed by acoustic rhinometry
- Efeitos da rinosseptoplastia sobre as dimensões internas nasais e ressonância da fala em indivíduos com fissura de lábio e palato unilateral reparada: análise por rinometria acústica e nasometria
- Dimensões internas nasais de adultos com obstrução nasal
- Velar activity in individuals with velopharyngeal insufficiency assessed by acoustic rhinometry