目的:探讨采用在鼻内镜下等离子电凝止血在治疗难治性鼻出血的应用及临床疗效观察。方法:对本科在2005～2009年临床上采用一般填塞止血疗效不满意的50例难治性鼻出血患者采用鼻内镜下等离子电凝止血治疗。结果:在所有50例患者中45例一次性治愈,5例在第1次治疗后1～2周内经第2次治疗达到治愈。结论:在鼻内镜下等离子点凝止血具有视野清晰,解剖结构清楚准确,止血迅速准确、安全有效,而且等离子止血对出血点周围组织损伤轻,损伤范围小,并发症少等优点。 Objective: To investigate the application and clinical efficacy of plasma coagulation in nasal endoscopic treatment of intractable epistaxis. Methods: Fifty patients with intractable epistaxis who were dissatisfied with the general anesthesia hemostatic effect in clinic from 2005 to 2009 were treated with plasma coagulation under endoscopic sinus surgery. RESULTS: Of the 50 patients, 45 were cured at one time and 5 were cured by the second treatment within 1 to 2 weeks after the first treatment. CONCLUSION: Plasma coagulation in nasal endoscope has the advantages of clear field of vision, clear and accurate anatomical structure, rapid and accurate hemostasis, safe and effective, and plasma hemostasis has the advantages of less damage to tissues around the bleeding spot, less damage and fewer complications.