de Paula Santos Rodrigo, Habermann Walter, Hofmann Thiemo, Stammberger Heinz
Clinical Rhinology Department, São Paulo Federal University, Paulista Medical School, Brazil.
Braz J Otorhinolaryngol. 2006 Jul-Aug;72(4):549-53. doi: 10.1016/s1808-8694(15)31003-x.
Acoustic rhinometry is an objective method to determine nasal cavity geometry. The technique is based on sound wave reflexion analysis in the nasal cavity, and determines crossectional areas as a function of distance as well as volume.
The purpose of this study is to analyse nasal cavity volume changes caused by functional endoscopic sinus surgery (FESS) in adults with chronic rhinosinusitis by acoustic rhinometry, and to correlate these changes with improvements in the sensation of nasal obstruction.
Forty patients aged from 18 to 73 years were prospectively evaluated between August and October 1999 at the Graz University Hospital, Austria. All patients were diagnosed with chronic rhinosinusitis, and undertook acoustic rhinometry before and after FESS. SCIENTIFIC DESIGN: A clinical prospective study.
The nasal cavity total volume increased significantly after surgery. Nasal obstruction was improved in 88% of the patients, 20% with partial improvement and 68% with total improvement. There was no correlation between volume increase and improvement of the sensation of nasal obstruction.
Total nasal cavity volume significantly increased after surgery; however, there was no correlation between volume increase and improvements of nasal obstruction. No significant pre or postoperative increase in total nasal cavity volume after decongestion were observed.
鼻声反射测量法是一种确定鼻腔几何形状的客观方法。该技术基于鼻腔内声波反射分析，可确定作为距离函数的横截面积以及容积。
本研究旨在通过鼻声反射测量法分析功能性鼻内镜鼻窦手术（FESS）对慢性鼻窦炎成年患者鼻腔容积的影响，并将这些变化与鼻阻塞感的改善情况相关联。
1999年8月至10月期间，奥地利格拉茨大学医院对40例年龄在18至73岁之间的患者进行了前瞻性评估。所有患者均被诊断为慢性鼻窦炎，并在FESS手术前后接受了鼻声反射测量。科学设计：一项临床前瞻性研究。
术后鼻腔总体积显著增加。88%的患者鼻阻塞情况得到改善，其中20%部分改善，68%完全改善。鼻腔容积增加与鼻阻塞感改善之间无相关性。
术后鼻腔总体积显著增加；然而，容积增加与鼻阻塞改善之间无相关性。未观察到减充血后鼻腔总体积在术前或术后有显著增加。
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