目的：探讨鼻内镜下应用吸切器治疗放疗性后鼻孔闭锁的临床观察。方法：对34例放疗性后鼻孔闭锁患者采用鼻内镜吸切器进行鼻孔成形手术治疗，术后加强鼻腔分泌物的清理。结果：34例放疗性后鼻孔闭锁患者采用鼻内镜吸切器手术均一次性手术成功；随访1~2年，31例患者后鼻孔恢复良好，鼻腔通气良好，边缘光滑无粘连，无肉芽增生形成。但有2例患者发生再闭锁，经检测为闭锁范围较大，甚至鼻咽腔发生闭锁，复查发现时均再次行鼻内镜吸切器手术，手术均成功治疗闭锁。结论：鼻内镜下应用吸切器治疗放疗性后鼻孔闭锁的疗效显著，值得临床进一步推广应用。%Objective:To investigate the clinical effects of transnasal endoscopic microdebrider system in the treatment of radiotherapeatical choanal atresia.Method: 34 patients with radiotherapeatical choanal atresia were treated by plastic procedure with transnasal endoscopic microdebrider system. And postoperative cleaning of nasal secretion was strengthened.Result:All of 34 patients received the operation successfully. After 1-2 years of follow-up,31 patients had recovered. The nasal ventilation was good. And the edge of the nasal cavity was smooth,without adhesion or granulation hyperplasia. But 2 cases recurred atresia,which was larger in testing and even involved pharyngonasal cavity. These 2 cases were given surgery again with transnasal endoscopic microdebrider system. And the surgeries both successfully treated the atresia.Conclusion: Transnasal endoscopic microdebrider system has distinct curative effects in the treatment of radiotherapeatical choanal atresia,which is worth further application in clinic.
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