Áreas seccionais nasais de adultos sadios aferidas por rinometria acústica
A rinometria acústica tem sido utilizada como teste específico da permeabilidade nasal. OBJETIVO: O propósito do presente estudo foi determinar valores de referência de áreas de secção transversa da cavidade nasal de adultos sadios pela técnica rinométrica. DESENHO: Estudo clínico prospectivo. CASUÍ...
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Published in | Revista brasileira de otorrinolaringologia Vol. 74; no. 5; pp. 746 - 759 |
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Format | Journal Article |
Language | English |
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01.10.2008
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Abstract | A rinometria acústica tem sido utilizada como teste específico da permeabilidade nasal. OBJETIVO: O propósito do presente estudo foi determinar valores de referência de áreas de secção transversa da cavidade nasal de adultos sadios pela técnica rinométrica. DESENHO: Estudo clínico prospectivo. CASUÍSTICA E MÉTODO: Trinta voluntários sem evidências de obstrução nasal com idade entre 18 e 30 anos (14 homens e 16 mulheres) foram avaliados antes e após a aplicação tópica de vasoconstritor nasal. As áreas de secção transversa foram medidas nos três entalhes do rinograma correspondentes à válvula nasal (AST1), região anterior (AST2) e região posterior (AST3) das conchas nasais inferior e média. RESULTADOS: Os valores médios (±DP) das áreas aferidas em 60 cavidades antes da vasoconstrição nasal foram os seguintes: 0,54±0,13cm2 (AST1), 0,98±0,31cm2 (AST2) e 1,42±0,44cm2 (AST3). Após a vasoconstrição, os valores médios dos três segmentos analisados foram significantemente maiores (p<0,05). Não foram constatadas diferenças significantes entre os sexos. CONCLUSÃO: As áreas seccionais nasais de adultos obtidas para adultos podem ser usadas para fins de controle no estudo de pacientes com obstrução nasal, em complementação aos volumes nasais relatados anteriormente por nosso grupo.
Acoustic rhinometry (AR) has been used as a specific test for nasal patency. AIM: this study aimed to set the reference values for nasal cavity cross-section geometry in healthy adults through AR. STUDY DESIGN: this is a clinical prospective study. MATERIALS AND METHOD: thirty volunteers (14 males and 16 females) without signs of nasal obstruction and aged between 18 and 30 years were enrolled in this study. They were assessed before and after being treated topically with a nasal vasoconstrictor drug. Their nasal cross-sectional areas were measured at the three dips of the rhinogram, corresponding respectively to the nasal valve (CSA1), the anterior (CSA2), and the posterior (CSA3) region of the inferior and middle turbinate. RESULTS: the mean areas (±SD) for 60 nasal cavities before nasal vasoconstriction were: 0.54±0.13cm2 (CSA1), 0.98±0.31 cm2 (CSA2), and 1.42±0.44cm2 (CSA3). After vasoconstriction, the mean values of the three segments analyzed were significantly larger (p<0.05). Gender was not a statistically significant variable. CONCLUSION: The nasal cross-sectional areas obtained for adults may be used for control purposes when studying patients with nasal obstruction, in conjunction with the nasal volume values previously reported by our group. |
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AbstractList | A rinometria acústica tem sido utilizada como teste específico da permeabilidade nasal. OBJETIVO: O propósito do presente estudo foi determinar valores de referência de áreas de secção transversa da cavidade nasal de adultos sadios pela técnica rinométrica. DESENHO: Estudo clínico prospectivo. CASUÍSTICA E MÉTODO: Trinta voluntários sem evidências de obstrução nasal com idade entre 18 e 30 anos (14 homens e 16 mulheres) foram avaliados antes e após a aplicação tópica de vasoconstritor nasal. As áreas de secção transversa foram medidas nos três entalhes do rinograma correspondentes à válvula nasal (AST1), região anterior (AST2) e região posterior (AST3) das conchas nasais inferior e média. RESULTADOS: Os valores médios (±DP) das áreas aferidas em 60 cavidades antes da vasoconstrição nasal foram os seguintes: 0,54±0,13cm2 (AST1), 0,98±0,31cm2 (AST2) e 1,42±0,44cm2 (AST3). Após a vasoconstrição, os valores médios dos três segmentos analisados foram significantemente maiores (p<0,05). Não foram constatadas diferenças significantes entre os sexos. CONCLUSÃO: As áreas seccionais nasais de adultos obtidas para adultos podem ser usadas para fins de controle no estudo de pacientes com obstrução nasal, em complementação aos volumes nasais relatados anteriormente por nosso grupo.
Acoustic rhinometry (AR) has been used as a specific test for nasal patency. AIM: this study aimed to set the reference values for nasal cavity cross-section geometry in healthy adults through AR. STUDY DESIGN: this is a clinical prospective study. MATERIALS AND METHOD: thirty volunteers (14 males and 16 females) without signs of nasal obstruction and aged between 18 and 30 years were enrolled in this study. They were assessed before and after being treated topically with a nasal vasoconstrictor drug. Their nasal cross-sectional areas were measured at the three dips of the rhinogram, corresponding respectively to the nasal valve (CSA1), the anterior (CSA2), and the posterior (CSA3) region of the inferior and middle turbinate. RESULTS: the mean areas (±SD) for 60 nasal cavities before nasal vasoconstriction were: 0.54±0.13cm2 (CSA1), 0.98±0.31 cm2 (CSA2), and 1.42±0.44cm2 (CSA3). After vasoconstriction, the mean values of the three segments analyzed were significantly larger (p<0.05). Gender was not a statistically significant variable. CONCLUSION: The nasal cross-sectional areas obtained for adults may be used for control purposes when studying patients with nasal obstruction, in conjunction with the nasal volume values previously reported by our group. |
Author | Trindade, Sergio Henrique Kiemle Sampaio-Teixeira, Ana Claudia Martins Gomes, Adriana de Oliveira Camargo Trindade, Inge Elly Kiemle |
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