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三氯乙酸是一种较强的腐蚀剂,具有杀菌、消毒、迅速促使组织蛋白沉淀的特点。我科从72年2月开始先后试用该药的25%水溶液灌注治愈耳前脓瘘10例(13耳)。其中男6例、女4例,最大年龄55岁,最小年龄5岁,随访观察10年至6个月不等。 方法:先用生理盐水冲洗瘘道,排净脓液,遇粘连的,注双氧水,借双氧水释氧所产生的气泡扩张瘘道,探明其分支和盲端走向;常规消毒局部皮肤,将5号口腔钝针头插入瘘道内约1厘米深,2毫升注射器抽取25%三氯乙酸1毫升,旋紧连接处,适当固定,然后缓慢地注射,此时患者自觉有局部烧灼感,后感烧灼样痛(均可耐受)。瘘口发白后,停止注射。药液外漏迅速用棉片吸净。注药后局部呈
Trichloroacetic acid is a strong corrosive, with sterilization, disinfection, rapid promotion of the characteristics of tissue protein precipitation. My department from February 72 has trial of the drug 25% aqueous solution of 10 cases of ear purulent fistula (13 ears). Including 6 males and 4 females, the maximum age of 55 years, the youngest age of 5 years, followed up for 10 years to 6 months. Methods: First wash the fistula with saline, drain the pus, met the adhesions, hydrogen peroxide, by hydrogen peroxide oxygen bubble generated by the expansion of fistula, to explore the branches and blind end to the routine disinfection of the local skin, the 5 No. oral blunt needle inserted into the fistula about 1 cm deep, 2 ml syringe extracted 25% trichloroacetic acid 1 ml, tighten the connection, appropriate fixed, and then slowly injected, when patients consciously have a local burning sensation, after the burning sensation Pain (can be tolerated). Fistula white, stop injection. Rapid liquid leakage with cotton absorption net. After injection of local was