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Cadaveric analysis of nasal valve suspension

机译:鼻瓣悬吊的尸体分析

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摘要

This study was designed to measure the efficacy of a nasal valve suspension technique and determine the adequate traction length without creation of nasofacial fullness in a cadaveric model. Seven fresh frozen cadaveric heads were evaluated. Minimal cross-sectional (MCA) areas were measured with a transient-signal acoustic rhinometer (Ecco Vision; Hood Instruments, Pembroke, MA) before and after suspension. The adequate traction length, which did not cause obvious changes, was determined. Five millimeters of lateral nasal valve traction was determined to be the maximal traction achievable without creating facial fullness. After lateral nasal suspension, average MCA increased by 13.7%. Average distance to the MCA from the nostril changed from 1.57 to 1.76 cm. Postsuspension values were significantly higher than the presuspension values (p < 0.05). Nasal valve suspension with 5 mm of lateral traction has a significant impact on nasal valve area without obvious nasofacial changes.
机译:这项研究旨在测量鼻瓣悬吊技术的有效性,并确定适当的牵引长度,而不会在尸体模型中造成鼻面部充盈。评价了七个新鲜的冷冻尸体头。在悬浮前后,用瞬态信号声鼻计(Ecco Vision; Hood Instruments,Pembroke,MA)测量最小横截面积(MCA)。确定没有引起明显变化的足够的牵引长度。确定在不造成面部饱满的情况下可实现的最大牵引力是五毫米的鼻侧瓣牵引力。鼻侧面悬吊后,平均MCA增加了13.7%。从鼻孔到MCA的平均距离从1.57更改为1.76厘米。悬浮后值显着高于悬浮前值(p <0.05)。侧向牵引力为5 mm的鼻瓣悬吊系统对鼻瓣区域有显着影响,而鼻面部无明显变化。

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