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首页> 外文期刊>Clinical and investigative medicine: Medecine clinique et experimentale >A non-tracheal intubation (tubeless) anesthetic technique with spontaneous respiration for upper airway surgery
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A non-tracheal intubation (tubeless) anesthetic technique with spontaneous respiration for upper airway surgery

机译:自发呼吸的非气管插管(无管)麻醉技术,用于上呼吸道手术

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Background: The most important consideration for administration of anesthesia in upper airway surgery is maintenance of a patient's airway for optimal surgical exposure, adequate ventilation and suffcient depth of anesthesia. The tubeless anesthetic techniques, including total intravenous anesthesia with a combination of propofol and remifentanil or inhalation anesthesia with the insufflation of anesthetic gas, are considered experimental in many countries. Methods: Fifteen pediatric (8 to 60 months) and 16 adult (23 to 55 years) patients were included in the study. Anesthesia (gas insufflation) was induced into the pediatric patients by inhalation of 8% sevoflurane in 8 L/min oxygen flow. An endotracheal tube, inserted through the nasal or oral cavity with its tip in the laryngopharynx, was used to maintain anesthesia with 3%-6% sevoflurane in 4 L/min oxygen flow. Total intravenous anesthesia was induced in adult patients by inhalation, 8% sevoflurane in 8 L/min oxygen flow, combined with intravenous injections of propofol (1.5-2 mg/kg) and fentanyl (1.5-2 μg/kg). Assisted ventilation was maintained by use of a face or laryngeal mask. Propofol infusion at 200-300 μg/kg/min, combined with remifentanil infusion at 0.06-0.2 μg/kg/min, was used for maintaining anesthesia. Results: All patients had surgery under tubeless anesthesia with steady spontaneous respiration. The mean time from induction of anesthesia to unconsciousness was 16±3 s and 36±14 s in pediatric and adult groups, respectively. The average times from induction of anesthesia to the attainment of necessary anesthetic level for surgery while keeping steady spontaneous respiration was 4.17±0.96 min and 8.69±3.17 min in pediatric and adult groups, respectively. The frequency and extent of respiration and heart rate were maintained within the normal range; SpO2 was >98%. None of the patients developed complications. Conclusion: Tubeless anesthesia with spontaneous ventilation induced in patients can provide both an interference-free operative field and continuous observation of airway activity, which may provide an effective approach in excellent surgical conditions for the actual airway operation.
机译:背景:上呼吸道手术中麻醉的最重要考虑因素是维持患者气道的最佳手术暴露,足够的通风和足够的麻醉深度。在许多国家,无管麻醉技术,包括将异丙酚和瑞芬太尼联合使用的全静脉内麻醉或将麻醉气体吹入的吸入麻醉。方法:该研究纳入了15名儿科(8至60个月)和16名成人(23至55岁)患者。通过在8 L / min的氧气流量中吸入8%的七氟醚,将麻醉(气体注入)引入小儿患者。气管插管通过鼻腔或鼻腔插入,其尖端在喉咽中,用于以3 L-6%的七氟醚以4 L / min的氧气流量维持麻醉。通过吸入,8%的七氟醚以8升/分钟的氧气流量,结合静脉注射异丙酚(1.5-2 mg / kg)和芬太尼(1.5-2μg/ kg),对成年患者进行完全静脉麻醉。通过使用面罩或喉罩维持辅助通气。异丙酚200-300μg/ kg / min的输注与瑞芬太尼0.06-0.2μg/ kg / min的输注用于维持麻醉。结果:所有患者均在无管麻醉下进行了手术,并具有稳定的自发呼吸。小儿和成人组从麻醉诱导到无意识的平均时间分别为16±3 s和36±14 s。小儿和成人组从麻醉诱导到达到手术所需的麻醉水平并保持稳定的自发呼吸的平均时间分别为4.17±0.96分钟和8.69±3.17分钟。呼吸频率和范围以及心率保持在正常范围内; SpO2> 98%。没有患者发生并发症。结论:患者自发通气的无管麻醉既可提供无干扰的手术视野,又可连续观察气道活动,这可为实际气道手术提供良好的手术条件。

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