Hayrunisa Koçyiğit Daştan , Mustafa Temiz , Sümer Münevveroğlu , Sina Uçkan
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引用次数: 0
摘要
研究目的本研究旨在评估正颌手术中上颌骨移动对鼻气道容积变化的影响及其与气流和阻力的相关性：研究对象包括 25 名 II 类（6 名）或 III 类（19 名）错颌畸形患者（8 名男性，17 名女性）。所有患者均接受了 Le Fort I 和双侧矢状劈裂嵴截骨术。术前和术后六个月使用鼻流量计和声学鼻测量法测量鼻气流和阻力。术前和术后六个月使用计算机断层扫描测量鼻腔容积：结果：11 名患者中，10 名患者的鼻腔容积在 CCW（逆时针）旋转时增加，1 名患者的鼻腔容积在 CW（顺时针）旋转时减少；5 名患者的鼻腔容积在 CW（顺时针）旋转时增加，9 名患者的鼻腔容积在 CW（顺时针）旋转时减少。上鼻气道容量明显增加，而对鼻流量和阻力的影响则不明显。此外，在气道容积变化与气流和阻力变化之间没有发现明显的相关性：结论：正颌手术患者的 CCW 旋转明显增加了上鼻气道容积，但并未改善鼻气道流量和阻力。
Assessment of nasal respiration and three-dimensional airway volume changes in orthognathic surgery patients
Objectives
The aim of this study was to evaluate the effect of maxillary movements in orthognathic surgery on nasal airway volume change and its correlation with airflow and resistance.
Materials and methods
This study included 25 patients (8 male, 17 female) with Class II (6 patients) or Class III (19 patients) malocclusion. All patients underwent Le Fort I and bilateral sagittal split ramus osteotomy. Nasal airflow and resistance were measured by using rhinomanometry and acoustic rhinometry pre and six months post-operatively. Nasal volume was measured using computed tomography before surgery and six months after surgery.
Results
Nasal volume increased in 10 out of 11 patients with CCW (counterclockwise) rotation and decreased in 1 patient while, nasal volume increased in 5 patients with CW (clockwise) rotation and decreased in 9 patients. Superior nasal airway volume increased significantly, while the effects on nasal flow and resistance were not significant. Additionally, no significant correlation was found between airway volume changes and variations in airflow and resistance.
Conclusion
CCW rotation in orthognathic surgery patients significantly increased superior nasal airway volume but did not improve nasal airway flow and resistance
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