身体外的二氧化碳去除,以避免慢性阻塞性肺病恶化期间的侵入性通风:VENT-AVOID试验 - 一个随机临床试验
Abhijit Duggal1, Steven A Conrad2, Nicholas A Barrett3,4
1Department of Critical Care, Respiratory Institute, Cleveland Clinic, Cleveland, Ohio.
American journal of respiratory and critical care medicine
|January 23, 2024
概括
身体外的二氧化碳去除 (ECCO2R) 没有改善COPD恶化的无呼吸器日. 在未能进行非侵入性通风的患者中,ECCO2R与更高的住院死亡率有关,这表明它在这种情况下没有益处.
科学领域:
- 关键护理医学 关键护理医学
- 肺部病理学 肺部病理学
- 呼吸系统疗法 呼吸系统疗法
背景情况:
- 在COPD恶化期间减少机械通风需求的体外二氧化碳去除 (ECCO2R) 的有效性仍然不确定.
- ECCO2R旨在减少输管率和侵入性机械通风 (IMV) 的持续时间.
研究的目的:
- 评估ECCO2R是否能在5天内改善无呼吸器日 (VFD-5) 在COPD恶化患者中,这些患者未能接受非侵入性呼吸 (NIV) 或因IMV.
- 评估ECCO2R对特定COPD恶化子组的通风持续时间和死亡率的影响.
主要方法:
- 进行了一项随机临床试验,涉及41个美国机构的113名受试者.
- 参与者被随机分配到标准护理中,有或没有毒性ECCO2R,分层由NIV或IMV失败.
- 该研究因招生速度缓慢而提前终止,计划样本大小为180.
主要成果:
- 总体而言,ECCO2R和标准护理臂之间没有观察到VFD-5中位数的显著差异.
- 在NIV失败层中,两组的VFD-5中位数为5天;然而,ECCO2R显示了显著更高的住院死亡率 (22%vs0%).
- 在IMV失效层中,标准护理的VFD-5中位数为0.25天,ECCO2R为2天,死亡率没有显著差异.
结论:
- 与标准治疗相比,ECCO2R没有改善COPD恶化患者的VFD-5.
- 在NIV失败的COPD恶化患者中使用ECCO2R与死亡率增加有关,应谨慎使用.
- 可能需要进一步的研究来确定可能受益于ECCO2R的特定患者群体,但目前的证据不支持在这种情况下的常规使用.
相关概念视频
01:17Assessment of Diffusion and Perfusion
982
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
982
01:30Acute Respiratory Failure-III
187
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
187
01:22Chronic Obstructive Pulmonary Disease
1.2K
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
1.2K
01:29Chronic Obstructive Pulmonary Disease-V: Management
2.5K
Managing Chronic Obstructive Pulmonary Disease (COPD) involves a multifaceted approach to reduce symptoms, prevent exacerbations, improve overall health status, and slow disease progression. Key strategies include lifestyle modifications, pharmacotherapy, supportive therapies, and, in some cases, surgery. Here is an overview of the primary COPD management strategies:
Smoking Cessation
Smoking Cessation
2.5K
01:26COPD: Management Using Bronchodilators and Corticosteroids
207
Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
207
01:23Physiological Control of Respiration
2.1K
Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
2.1K