北京大学学报(医学版) ›› 2015, Vol. 47 ›› Issue (1): 104-108.

• 论著 • 上一篇    下一篇

3种缝合方法控制上颌Le Fort Ⅰ型截骨术后鼻翼宽度的效果比较

王宗琦,王晓霞△,李自力,伊彪,梁成,王兴   

  1. (北京大学口腔医学院·口腔医院颌面外科,北京100081)
  • 出版日期:2015-02-18 发布日期:2015-02-18

Comparison of three surgical techniques for controlling nasal width after Le Fort Ⅰ osteotomy

WANG Zong-qi, WANG Xiao-xia△,LI Zi-li, YI Biao, LIANG Cheng, WANG Xin   

  1. (Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, China)
  • Online:2015-02-18 Published:2015-02-18

摘要: 目的:研究上颌Le FortⅠ 型截骨术后鼻翼宽度的变化规律,并比较3种控制鼻翼宽度缝合方法的效果。方法:选取2011年至2014年在北京大学口腔医院行正颌外科手术的79名患者(男性22名,女性57名,平均年龄23.2±3.4岁), 随机分为3组,组1为传统口内入路鼻翼基底缩窄缝合;组2为口外入路鼻翼基底缩窄缝合;组3为在组1方法基础上于鼻翼最外点对应部位增加一针口内缝合。使用3dMD相机分别在术前、术后3个月及6个月拍摄患者面部三维照片,由两名医师独立在三维照片上测量鼻翼宽度,重复3次,各间隔1周,取平均值进行统计分析。测量两侧鼻翼基底点距离(Sbal-Sbal)、鼻翼基底最外点距离(Al-Al)、鼻翼最外点距离(G.lat-G.lat),使用SPSS13.0进行数据分析。结果:术后6个月较术后3个月鼻翼宽度缩窄;3种缝合方法的中长期效果差异无统计学意义;上颌矢状向移动方向对术后鼻翼宽度的变化有影响,前移者鼻翼增宽更多;术后鼻翼增宽的程度与术中鼻翼增宽量呈正相关,与术前鼻翼宽度及较术前缩窄量呈负相关。结论:3种缝合方法控制鼻翼宽度的效果无差别,均不能完全避免术后鼻翼增宽,且这种宽度的变化至少持续至术后半年。对术前鼻翼较窄,术中需要前移上颌骨的患者,应于术中进行更大程度的过矫正,以利于控制术后鼻翼增宽的幅度。

关键词: 上颌骨, 截骨术, Le Fort, 鼻骨, 摄影测量法, 缝合技术

Abstract: Objective: To identify nasal width changes occurring after Le FortⅠosteotomy and to compare prospectively the effect of three surgical techniques for controlling postoperative nasal width.  Methods: In the study, 79 patients (22 male and 57 female, mean age 23.2±3.4 years), who received Le Fort Ⅰ osteotomy at Peking University Hospital of Stomatology from 2011 to 2014, were randomly divided into three groups. Group 1 was treated with traditional intraoral alar base cinch suture (ABCS); Group 2 with extraoral ABCS, and Group 3 with traditional ABCS plus an extra intraoral suture at points G.lat. All the patients had taken 3D photos using 3dMD camera before operation, and 3, and 6 months after operation. The nasal widths, which were indicated as distances between Sbal-Sbal, G.lat-G.lat and Al-Al, were measured by two examiners in the 3D photos three times with a time-interval of one week. SPSS 13.0 was used to do the statistic analysis. Results: At the end of the postoperative 6 months, the nasal widths lessened as compared with the postoperative 3 months. No significant differences were found between the three groups 6 months after the operation. The degree of the postoperative nasal width widening had positive correlation with that of the intraoperative nasal width widening, and had negative correlation with the initial nasal width and the amount of post-suture narrowing. Conclusion: There is no difference between three suturing techniques for controlling nasal width widening after Le Fort Ⅰ osteotomy. The postoperative nasal width-widening can’t be totally avoided, and the alteration might last at least 6 months after the operation. For patients with narrow nasal width and need to move maxilla forward, more overcorrection of ABCS is needed to control the postoperative nasal base widening.

Key words: Maxilla, Osteotomy, Le Fort, Nasal bone, Photogrammetry, Suture techniques

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