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２１例病人，表面麻醉后，静注咪唑安定、阿曲可林、芬太尼、依托咪酯，经鼻插入内径３５～５０ｍｍ带套囊的钢丝螺纹气管导管。手术操作前控制呼吸，手术时常频常压喷射通气（频率２２次／ｍｉｎ，压力１６０ｋＰａ），吸入安氟醚。结果麻醉前１０ｍｉｎ、喷射通气１０ｍｉｎ及手术结束拔管后１０ｍｉｎ时的ＭＡＰ、ＨＲ、ＳｐＯ２、ＥＣＧ、ＰａＣＯ２皆无统计学差异，喷射通气１０ｍｉｎ时的ＰａＯ２明显高于麻醉前和拔管后（Ｐ＜０００１）。结果表明，吸入全麻肌松下应用带套囊的细的钢丝螺纹气管导管，常频常压喷射通气的麻醉方法符合支撑喉镜下声带息肉切除术对麻醉的要求。
Twenty-one patients underwent topical anesthesia with midazolam, aclokolin, fentanyl, etomidate, and nasal cannulated steel threaded endotracheal tubes with a diameter of 3.5-5.0 mm. Breathing control before surgery, surgery frequently pressure jet ventilation (frequency 22 times / min, pressure 160kPa), inhaled enflurane. Results There were no significant differences in MAP, HR, SpO2, ECG and PaCO2 at 10 min before anesthesia, 10 min after jet ventilation and 10 min after extubation. The PaO2 at 10 min after ventilation was significantly higher than that before anesthesia and after extubation (P < 0 001). The results showed that the inhalation of anesthesia muscle with cuffed fine steel threaded endotracheal tube, constant pressure jet ventilation anesthesia method is consistent with the support laryngoscope vocal cord polypectomy anesthesia requirements.