作者自1970年起采用冷冻疗法治疗几百例慢性鼻炎获得良好效果。这种疗法操作简单,几乎没有合并症,少有需要重复治疗者。冷冻剂的选择以一氧化氮较Freon为优:一氧化氮价廉并能获得更低的温度(约-89℃)。从主观症状的解除和客观检查都说明这种疗法是有效的。冷冻疗法可单独用于鼻粘膜肥厚,也可与中隔手术同时使用。术前用安定(Valium)和吗啡以消除可卡因的副作用及镇静止痛。用少量可卡因喷入鼻腔,再用可卡因棉片分别放于蝶腭神经区、筛前神经区和门齿孔区进行麻醉。用冷冻探针对中隔肥厚粘膜或肥大的下甲后端进行冷冻15—20秒。为了便于掌握深度,探针上可加刻 The authors have used cryotherapy to treat several hundred chronic rhinitis patients since 1970 with good results. This treatment is simple, almost no complications, few need repeat treatment. The choice of cryogen is better for nitric oxide than Freon: nitric oxide is inexpensive and achieves lower temperatures (about -89 ° C). From the subjective symptom relief and objective examination shows that this treatment is effective. Cryotherapy can be used alone for nasal mucosa hypertrophy, but also with septal surgery at the same time. Preoperative use of Valium and morphine to eliminate the side effects of cocaine and calm the pain. With a small amount of cocaine spray into the nasal cavity, and then use cocaine cotton were placed in the sphenopalatine nerve area, anterior ethmoidal nerve area and incision for anesthesia. Frozen probes are used to freeze septal hypertrophy mucosa or hypertrophic lower back end for 15-20 seconds. In order to facilitate the understanding of the depth of the probe can be engraved