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总结168例正颌外科手术的麻醉特点及技术改进，为临床提供指导。方法：选择正颌外科手水患者168例，观察其插管方式、麻醉方法、术中生命体征及术后呼吸道管理。结果：168例均经鼻腔盲探插管成功，采用静吸复合麻醉顺利完成手术。术后78例保留气管导管，平均为72h。拔管后无一例发生呼吸道梗阻及其它并发症。结论：鼻引导管为正颌外科手术所需经鼻盲探插管技术提供保证。而术后保留气管导管，不仅避免了常规气管切开的各种不利因素，同时保证呼吸道的通畅及生命安全。
Summary of 168 cases of orthognathic surgery anesthesia features and technical improvements for the clinical guidance. Methods: A total of 168 orthognathic surgical hand water patients were selected to observe the methods of intubation, anesthesia, intraoperative vital signs and postoperative respiratory tract management. Results: All 168 cases were successfully treated by blind nasal intubation. The operation was completed successfully by static inhalation combined anesthesia. 78 cases of postoperative tracheal catheter, with an average of 72h. No case of extubation occurred after extubation and other complications. Conclusion: The nasal guide tube provides the guarantee for the nasal blind catheterization technique required for orthognathic surgery. The postoperative retention of the tracheal tube, not only to avoid the conventional tracheotomy various unfavorable factors, while ensuring airway patency and life safety.