不同的非侵入性氧化支持装置对潮体积的影响
Anne-Fleur Haudebourg1,2, Tommaso Maraffi3, Samuel Tuffet4,5
1Service de Médecine Intensive Réanimation, Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor - Albert Chenevier, 51, Avenue du Maréchal de Lattre de Tassigny, 94010, Créteil Cedex, France. annefleur.maignant@aphp.fr.
非侵入性氧化装置显著影响潮体积传递. 非侵入性通风 (NIV) 装置提供了更高的潮体积,而持续正气道压力 (CPAP) 提供了最低的,影响了患者的呼吸支.
科学领域:
- 呼吸系统生理学 呼吸系统生理学
- 医疗设备工程 医疗设备工程
- 关键护理医学 关键护理医学
背景情况:
- 存在各种非侵入性氧化装置,包括氧气口罩,高流量鼻 (HFNC),CPAP和口罩/头盔NIV.
- 潮体积对于有效和安全的机械通风至关重要.
- 不同的非侵入性氧化装置对潮体积的影响尚未完全阐明.
研究的目的:
- 评估不同的非侵入性氧化支持装置如何影响潮体积.
- 为了确定设备类型和潮体积输送之间的关系.
- 为了研究口腔压力变化与潮体积之间的相关性.
主要方法:
- 在一项长椅研究中,使用一个人形和肺模拟器来评估六个条件:没有设备,O2面罩,HFNC,CPAP,Mask-NIV和头盔-NIV.
- 模拟呼吸机制 (正常,阻塞性,限制性) 和努力 (低,中等,痛苦) 被使用.
- 电阻断层扫描 (EIT) 用同样的设备评估了健康志愿者的潮体积.
主要成果:
- 在实验室和志愿者研究中,潮体积在设备之间有显著的差异.
- 与O2面罩相比,HFNC和CPAP的潮量较低.
- 面具-NIV和头盔-NIV与明显更高的潮体积有关,与正面的口腔压力变化相关.
结论:
- 非侵入性氧化装置类型显著影响潮体积.
- NIV设备产生了最高的潮体积,而CPAP产生了最低的.
- 需要进一步的临床研究来了解这些发现的临床影响.
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