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目的：探讨鼻窦术后后期突发性鼻出血原因及治疗。方法回顾性分析我院行鼻内镜下鼻窦手术患者的资料，统计患者术后后期鼻腔突发性出血的发生率、治疗方法。结果806例鼻内镜鼻窦手术患者24例术后后期鼻出血，发生率为2.97%。其中6例经前后鼻孔填塞止血，5例前后鼻孔填塞后无效经鼻内镜下电凝止血，13例直接行鼻内镜下电凝止血，全部治愈。结论为防止失血过多导致休克，前后鼻孔填塞不失为简单、迅速、有效的方法，鼻内镜能达到精确填塞或电凝止血的目的。“,”Objective To study the reasons and treatment of sudden epistaxis after endoscopic sinus surgery.Methods A retrospective analysis of data of patients with sudden epistaxis after endoscopic sinus surgery in our hospital endoscopic sinus operation in with nasal sinus operation and recorded late nasal sudden hemorrhage rate,treatment method.Results In 806 cases of patients with endoscopic sinus operation,24 patients had after the late nasal bleeding,the incidence rate was 2.97%.Among them 6 cases stopped bleeding by nasal packing,5 cases stopped bleeding by electrocoagulation under nasal endoscope,13 cases stopped bleeding by directly underwent endoscopic electric coagulation. Al cured. Conclusion In order to prevent the excessive loss of blood to cause shock,nasal packing method is simple,rapid,ef ective,nasal endoscopy can achieve precise packing or electric coagulation hemostasis purposes.