Methods:37 cases of PAR anterior-ethmoid nerve cautery were performed with Ho:YAG laser.Efficacy was evaluated by measurement of nasal symptom scores and sign scores.

• 方法:使用钬激光行筛前神经终末区域烧灼及下鼻甲黏膜下激光凝固治疗PAR患者37例,并比较治疗前后症状及体征分级记分。