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采用硬腭前份粘骨膜后翻瓣修复腭裂55例,修复裂隙宽度1.2cm~2.2cm,制取瓣最大面积2.5cm×2.0cm,软腭后退达0.5cm~1.5cm。此瓣利用硬腭前部粘骨膜修复软硬腭交界处的鼻咽侧缺损,硬腭前部覆盖不足则采用两大腭瓣(或单瓣)延长至同侧龈前庭粘膜的方法弥补。术后采用纤维内窥镜经鼻腔观察此瓣成活良好。术后取5岁~7岁年龄组患儿21名与正常同年龄儿童65名比较,口腔压力测定经t值检验,P>0.05,无显著性差异,口腔压力方面基本达到正常儿童水平,建立了良好的腭咽闭合。
55 cases of cleft palate were repaired with the former mucoperiosteal flap of the hard palate, and the width of the cleft was 1.2cm ~ 2.2cm. The maximal flap area was 2.5cm × 2.0cm and the soft palate was retreated 0.5cm ~ 1.5cm. This flap utilizes the anterior mucoperiosteal flap of the palate to repair the nasopharyngeal defect at the junction of the soft palate and the anterior palatal cover, which is compensated by two major palatal flap (or single flap) extended to the same side of the gingival vestibular mucosa. Postoperative use of fiber endoscopic nasal observation of this flap survival is good. Twenty-one children aged from 5 to 7 years old were compared with 65 normal children of the same age. The oral pressure was tested by t-value test, P> 0.05, no significant difference was found, and the oral pressure basically reached the level of normal children , Established a good velopharyngeal closure.