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目的 分析等离子辅助悬雍垂腭咽成形术（UPPP）后重度咽狭窄形成原因，探讨最适合治疗方案。方法 等离子辅助UPPP术后重度咽狭窄患者8例（单纯鼻咽狭窄5例，鼻咽和口咽联合狭窄3例），分别采用瘢痕切除、临近黏膜瓣修复创面、口咽狭窄横切纵缝、放置鼻咽支架6个月以上的方法治疗。疗效评估方式，术前和术后的①主观症状评分变化；②狭窄咽腔扩大情况。结果 随访1～4.5年，7例术后鼻咽气道最大直径约2 cm，症状评分明显改善，1例术后再狭窄目前佩戴鼻咽支架治疗中。结论 低温等离子辅助UPPP操作不当可引起严重咽狭窄,通过手术，同时放置鼻咽支架，是较理想的咽狭窄治疗方法。
Objective To analyze the causes of severe pharyngolaryngeal stenosis after plasma-assisted uvulopalatopharyngoplasty (UPPP) and explore the most suitable treatment regimen. Methods Eight cases of severe pharyngolaryngeal stenosis after UPPP (5 cases of simple nasopharyngeal stenosis and 3 cases of nasopharyngeal and oropharyngeal stenosis) were treated with plasma-assisted UPPP. The wounds were treated with scar excision, the flap was repaired near mucosal flap, Nasopharyngeal stent placement for more than 6 months of treatment. Efficacy assessment methods, ① preoperative and postoperative subjective symptom score changes; ② narrow the expansion of the pharynx. Results The follow-up ranged from 1 to 4.5 years. The maximum diameter of nasopharyngeal airway in 7 cases was about 2 cm. The symptom score was significantly improved. One case of postoperative restenosis was treated with nasopharyngeal stent. Conclusion Improper operation of low-temperature plasma-assisted UPPP can cause serious pharyngeal stenosis. It is an ideal treatment for pharyngeal stenosis through surgery and nasopharyngeal stent placement.