correlação de três variáveis na descrição da permeabilidade nasal (hd, mca, escala nose) de pacientes saudáveis correlation of three variables describing nasal patency (hd, mca, nose score) in healthy subjects

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ID: 253634
2013
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Abstract
Rinoresistometria e rinometria acústica são dois métodos utilizados na avaliação da função respiratória nasal. Ambos utilizam variáveis diferentes para descrever a permeabilidade nasal: o diâmetro hidráulico, HD, na rinoresistometria; e as áreas mínimas da seção transversal, MCA1 (istmo nasal) e MCA2 (cabeça do corneto inferior e corpo cavernoso do septo nasal), na rinometria acústica. OBJETIVO: Analisar a relação entre HD e MCA em pacientes sem afecções nasais e identificar se tais variáveis objetivas apresentam correlação com a escala NOSE, uma ferramenta validada para avaliar a percepção subjetiva de permeabilidade nasal. MÉTODO: Coleta estruturada dos dados de 24 indivíduos saudáveis sem afecções nasais. RESULTADOS: Correlações estatisticamente significativas de fracas a moderadas foram identificadas entre HD e MCA2 antes do descongestionamento. Foi identificada correlação moderada entre HD, MCA2 e escala NOSE no lado mais estreito. CONCLUSÃO: Na avaliação de permeabilidade nasal, parece ser recomendável determinar HD, MCA1 e MCA2, bem como uma variável subjetiva como a escala NOSE, que não aparentam ser variáveis completamente redundantes. Estudos futuros devem avaliar a correlação destas variáveis em pacientes com afecções nasais.
Rhinoresistometry and acoustic rhinometry are two established apparative methods to objectify the respiratory function of the nose. Both methods use different variables to describe nasal patency: "hydraulic diameter", HD, in rhinoresistometry, and "minimal cross-sectional area", MCA1 (nasal isthmus) and MCA2 (head of the inferior turbinate and cavernous body of the nasal septum), in acoustic rhinometry. OBJECTIVE: This study analyzes the mutual correlation of HD and MCA as a pilot study in patients without nasal pathologies. Additionally, we investigated if these objective variables correlate with the NOSE score, a validated tool to measure subjective perception of nasal patency. METHOD: Planned data collection in a collective of 24 healthy subjects without nasal pathologies. RESULTS: Statistically significant, weak to moderate correlations were found between HD and MCA2 before decongestion. A moderate correlation was found between both HD and MCA2 and the NOSE score on the narrower side. CONCLUSION: In the assessment of nasal patency, it seems advisable to determine HD, MCA1 and MCA2, but also a subjective variable such as the NOSE score, which all seem to be not fully redundant variables. In further studies, the correlation of the variables should be assessed in patients with nasal pathologies.
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Authors ;Thomas Braun;Maria Rich;Matthias F. Kramer
Journal cardiovascular diabetology
Year 2013
DOI
DOI not found
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1808-86942013000300015
Keywords
nasal obstruction rhinometryotorhinolaryngology

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