使用高流量氧的无呼吸氧化:在刚性支气管镜检查中对二氧化碳部分压力的影响
Bon-Sung Koo1, Yang-Hoon Chung1, Misoon Lee1
1Department of Anaesthesiology and Pain Medicine, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon-si 14584, Republic of Korea.
Journal of clinical medicine
|November 27, 2025
概括
在刚性支气管镜检查期间,使用高流量鼻腔管 (HFNC) 进行无呼吸氧化,显示二氧化碳 (CO2) 的增加比之前报告的要低. 这种技术可能有助于控制气道泄漏,但需要仔细监测患者.
科学领域:
- 肺部病理学 肺部病理学
- 麻醉学 麻醉学
- 呼吸系统生理学 呼吸系统生理学
背景情况:
- 刚性支气管镜检查提出了气道泄漏的挑战.
- 无呼吸氧化受限于对二氧化碳 (CO2) 保留的担忧.
- 高流量鼻腔管 (HFNC) 可以减轻呼吸暂停期间的二氧化碳积累.
研究的目的:
- 通过HFNC在刚性支气管镜检查期间使用HFNC在无呼吸氧化过程中检查CO2 (PaCO2) 的动脉部分压力变化.
- 评估该技术的安全性和有效性.
主要方法:
- 用HFNC (70L/分钟) 进行刚性支气管镜检查的患者的回顾性分析.
- 从氧化开始到通风恢复的定义的呼吸暂停期.
- 评估了动脉血液中的气体和并发症;使用了基于时间的变化回归分析.
主要成果:
- 十名男性患者 (平均年龄65岁) 接受无呼吸氧化,平均时间为33.7分钟.
- PaCO2以1.50 mmHg/min的线性增长,比之前报告的速度更低.
- 在呼吸暂停期间没有观察到任何显著的并发症;所有患者的SpO2仍然高于91%.
结论:
- 通过HFNC的支气管透过直接远距离的气道氧气输送可能会增加二氧化碳的排放.
- 使用HFNC的无呼吸氧化可能会在选择的患者中解决气道泄漏问题.
- 警监测至关重要,需要进一步的研究来优化患者的安全.
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