急性呼吸窘迫综合征异质性和败血性ARDS亚组
Huikang Xu1, Shiying Sheng1, Weiwei Luo1
1Department of Critical Care Medicine, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Frontiers in immunology
|November 30, 2023
概括
急性呼吸困扰综合征 (ARDS) 是一种严重的肺损伤,原因多种多样. 败血症诱导的ARDS特别危险,突出了基于患者子组的向治疗的需要.
科学领域:
- 关键护理医学 关键护理医学
- 免疫学 免疫学 免疫学
- 肺部病理学 肺部病理学
背景情况:
- 急性呼吸窘迫综合征 (ARDS) 是一种复杂的肺损伤,死亡率高.
- ARDS涉及膜和内皮细胞损伤,导致非心脏性肺和免疫系统障碍.
- ARDS的异质性导致临床试验失败,需要对子组进行分析以获得有效的治疗.
研究的目的:
- 审查导致败血症的ARDS背后的免疫机制.
- 探索ARDS的异质性及其对治疗策略的影响.
- 讨论关于针对ARDS的向治疗方法的当前研究,特别是败血症-ARDS.
主要方法:
- 文献综述侧重于败血症-ARDS的免疫机制.
- 分析ARDS异质性及其临床影响.
- 对针对性治疗方法的现有研究进行综合.
主要成果:
- 败血症是ARDS的主要肺外病因 (大约. 32%),与严重程度和死亡率的增加有关.
- 败血症诱导的ARDS表现出明显的免疫特征和较差的预后.
- 分组ARDS患者,特别是败血症患者,有望改善治疗结果.
结论:
- 了解败血症-ARDS的免疫基础对于开发有效的干预措施至关重要.
- 通过精确的表型化来解决ARDS异质性是成功临床试验的关键.
- 针对ARDS亚组,特别是败血症-ARDS量身定制的向治疗,为改善患者生存和管理提供了一条道路.
相关概念视频
01:21Acute Respiratory Failure-II
241
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:
241
01:21Acute Respiratory Failure-I
213
Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
213
01:23Acute Respiratory Failure-IV
159
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...
159
01:29Acute Respiratory Failure-V
142
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...
142
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