对180例因慢性鼻阻塞单纯行下鼻甲切除术的患者,就鼻腔填塞时间与术后出血的发生率进行前瞻性研究,术前随机分组,每组60人。年龄及性别分布:第1组18～58岁,平均33.4岁,男女之比为2:1;第2组17～53岁,平均35.7岁,男女之比为7:5;第3组20～55岁,平均37.2岁,男女之比为3:1。第1组术后鼻腔不行填塞,第2组鼻腔填塞物留置24小时,第 A total of 180 patients with chronic nasal obstruction who underwent simple endotracheal resection were prospectively studied for nasal packing time and the incidence of postoperative bleeding and were randomly assigned to 60 patients in each group. Age and gender distribution: Group 1 18 to 58 years old, average 33.4 years old, the ratio of men to women was 2: 1; Group 2 17 to 53 years old, with an average of 35.7 years old, the ratio of men to women was 7: 5; 55 years old, average 37.2 years, the ratio of men to women is 3: 1. Group 1 postoperative nasal packing, group 2 nasal packing for 24 hours, the first