在孕妇中使用高流量加湿鼻氧或面罩氧的预氧化 - - 一项前性随机对照交叉非劣势性研究 (HINOP2研究)
P C F Tan1, P J Peyton2, A Deane3
1Department of Critical Care, The University of Melbourne, Parkville, Victoria 3052, Australia; The Royal Women's Hospital, 20 Flemington Road, Parkville 3052, Australia.
International journal of obstetric anesthesia
|August 29, 2024
概括
高流量鼻氧 (HFNO) 预氧化在产科患者中不劣于面罩 (FM) 预氧化. 在更多的参与者中,HFNO实现了更高的端潮氧度,符合指导方针.
科学领域:
- 麻醉学 麻醉学
- 产科 产科 产科 产科 产科
- 呼吸系统医学 呼吸系统医学
背景情况:
- 呼吸道指导方针建议在产科患者中进行先氧化到终潮氧度 (etO2) ≥90%.
- 高流量鼻氧 (HFNO) 仅在60%的孕妇中实现了这一目标.
- 对一些患者来说,面罩 (FM) 氧化前作用也可能不足.
研究的目的:
- 为了确定HFNO前氧化是否与 FM前氧化在产科患者中不逊色.
- 为了比较HFNO与FM在达到目标etO2水平方面的疗效.
主要方法:
- 一个随机控制的交叉非劣等性试验在模拟环境中进行,在怀孕≥37周的健康参与者中进行.
- 参与者接受HFNO (70升/分钟) 和FM氧 (10升/分钟) 随机顺序三分钟.
- 主要结局在第一个呼气时是etO2,非劣势被定义为平均差异≤5%.
主要成果:
- 在HFNO前氧化过程中,与FM前氧化过程中 (88.7%) 相比,HFNO前氧化产生了显著更高的第一个etO2 (90.2%),平均差异为1.45% (p=0.025).
- 71%的参与者在HFNO时达到≥90%的etO2,而在FM时达到44% (p=0.002).
- HFNO与FM前氧化没有劣势.
结论:
- 在孕期的孕妇中,HFNO预氧化是一种可行的,有效的替代FM预氧化.
- 在这个模拟环境中,超过50%的参与者未能达到目标etO2水平.
- 在这种人群中,HFNO在实现充足的氧化前作用方面表现出卓越的表现.
相关概念视频
Administering Oxygen by Mask
270
Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
270
Oxygen Delivering System I: Nasal Cannula and Face Mask
263
The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
263
Administering Oxygen by Nasal Cannula
443
Oxygen therapy is critical to patient care, especially for those struggling with respiratory issues. This intervention increases the oxygen concentration in the lungs, enhancing the amount of oxygen transported to the body's tissues. One standard method of delivering supplemental oxygen is through a nasal cannula, a non-invasive device that provides low to medium oxygen concentrations.
Nasal Cannulas
A nasal cannula is a lightweight tube split into two prongs placed in the nostrils,...
Nasal Cannulas
A nasal cannula is a lightweight tube split into two prongs placed in the nostrils,...
443
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen
422
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
422
Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure
187
Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue,...
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue,...
187
Respiratory Assessment: Purpose and Indications
1.0K
Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
1.0K


