在COVID-19严重缺血性呼吸衰竭中使用alteplase:TRISTARDS多中心随机试验
Giovanni Landoni1,2, Pratima Chowdary3, Ferhat Meziani4
1Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy.
Annals of intensive care
|November 10, 2024
概括
阿尔特普拉斯在严重的COVID-19呼吸衰竭中没有加速临床康复. 虽然表现出改善生存和氧化率的趋势,但高高治疗也增加了出血风险.
科学领域:
- 肺部病理学 肺部病理学
- 临界护理医学 临界护理医学
- 药理学 药理学是指药理学的学科.
背景情况:
- 肺血管内血栓形成在呼吸衰竭中很常见,包括COVID-19.
- 在COVID-19中,严重的缺血性呼吸衰竭带来了重大的临床挑战.
研究的目的:
- 评估阿尔特等血栓溶解在COVID-19导致严重低血量呼吸衰竭的患者中的疗效和安全性.
- 为了比较Alteplase加标准护理 (SOC) 与单独的SOC.
主要方法:
- 多中心,开放标签研究,随机分配患者接受高高 (低剂量或高剂量) 加SOC,或单独使用SOC.
- 主要终点:临床改善的时间 (WHO尺度或医院出院) 至28日.
- 二级终点:全因死亡率,治疗失败,以及PaO2/FiO2比率的变化.
主要成果:
- 临床改善的中位时间在各组之间没有显著差异 (25天与>28天).
- 阿尔特普拉斯显示出降低全因死亡率的趋势 (12% vs. 29%) 和改善PaO2/FiO2比率,特别是在非侵入性通风患者中.
- 在阿尔特剂组中观察到主要出血事件的增加 (9 vs 0);26.1%的患者因不良事件而停止治疗.
结论:
- 在严重的COVID-19缺血性呼吸衰竭中,阿尔特普拉斯没有显示出加速的临床恢复.
- 探索性分析表明,在特定亚组中,潜在的生存和氧化益处,需要进一步调查.
- 该研究因患者招募不足而提前结束,限制了最终的结论.
相关概念视频
01:26Pneumothorax-I
170
A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
170
01:16Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure
175
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,...
175
01:21Acute Respiratory Failure-II
174
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
174
01:23Acute Respiratory Failure-IV
129
Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
129
01:29Acute Respiratory Failure-V
123
The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Ensure that patients are monitored continuously for their response to therapy, including changes in...
123
01:26Flail Chest-II
160
Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
1. Clinical Evaluation:
History:
Assessment:
1. Clinical Evaluation:
History:
160