作者用苯环已酮的衍生物氯胺酮当作新麻醉药应用于中耳手术和内腔镜,效果满意。使用方法:作者给10个月到48岁的患者使用氯胺酮肌注麻醉。投药前几分钟幼小儿童按体重加注硫苯妥钠,成人给硫苯妥钠及安定。氯胺酮用量为5—10毫克/公斤体重,术中根据情况可 The author used phenyl cyclohexanone derivatives ketamine as a new anesthetic applied to the middle ear surgery and endoscopic, with satisfactory results. How to use: The authors use ketamine for intramuscular anesthesia in patients between 10 months and 48 years of age. A few minutes before administration, young children were dosed with sodium thiophenolate according to body weight, and adults were given thiotepa and diazepam. Ketamine dosage of 5-10 mg / kg body weight, intraoperative as the case may be