腭咽环扎术作为一种新的腭咽闭合手术方法,已经在腭裂修复中占有一定的地位。临床上对腭咽环扎术改善患者发音的优良效果已为大量病例观察证实,为了从客观了解腭咽环扎术后腭裂患者咽腔的改变和探讨其改善腭咽闭合的机理,我们从2年来所作46例环扎手术病人中随机抽取13例,作术前术后咽腔造影,发音与不发音各摄侧位X片1张以进行分析观察。 Velopharyngeal cerclage as a new velopharyngeal closure surgery method, has been in the cleft palate repair occupy a certain position. Clinically, the excellent effect of velopharyngeal ringing to improve the patient's voice has been confirmed by a large number of cases. In order to objectively understand the changes of the pharyngeal cavity in patients with cleft palate after velopharyngeal ring incision and to explore the mechanism of improving the velopharyngeal closure, In the past 46 cases of cerclage surgery were randomly selected in 13 cases, preoperative and postoperative pharyngeal angiography, pronunciation and no pronunciation of each side of the X-ray film for analysis and observation.