肺部CT扫描上AI自发呼吸的患者中COVID-19呼吸衰竭的表型
Emanuele Rezoagli1,2, Yi Xin3,4, Davide Signori5
1School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy. emanuele.rezoagli@unimib.it.
Critical care (London, England)
|August 5, 2024
概括
对肺部CT扫描的深度学习分析确定了两种具有明显临床结果的COVID-19亚型. 这种自动成像方法有助于表征呼吸系统疾病的亚现型,以便更好地分层患者.
科学领域:
- 放射学 放射学是一门学科.
- 人工智能的人工智能
- 肺部病理学 肺部病理学
背景情况:
- 肺部计算机断层扫描 (CT) 扫描的自动化分析可以帮助鉴定急性呼吸系统疾病的亚型.
- 将深度学习衍生的CT特征与临床和实验室数据相结合,可以提高COVID-19亚表型的识别能力.
研究的目的:
- 使用基于深度学习的肺部CT分析和潜在类分析 (LCA) 的组合来识别不同的COVID-19亚型.
- 探索已识别的COVID-19亚现型之间的临床轨迹和结果的差异.
主要方法:
- 一项多中心观察队列研究包括COVID-19呼吸衰竭患者自发呼吸.
- 深度学习用于肺部CT图像的定量和定性分析.
- 隐性类分析 (LCA) 整合了临床,实验室和CT变量以确定子类型.
主要成果:
- 潜在类分析在559名患者中发现了两种COVID-19亚型.
- 与亚型1的患者相比,亚型1的患者年龄较大,更低血,并且与亚型2相比,炎症生物标志物和90天死亡率更高.
- 独特的肺CT特征,包括巩固和磨砂玻璃不透明性,是每个亚现象型的特征.
结论:
- 将肺CT数据与LCA集成,成功识别了两种具有不同临床轨迹的COVID-19亚型.
- 由机器学习指导的自动成像表征显示了潜在的呼吸衰竭患者的亚型.
相关概念视频
Acute Respiratory Failure-IV
133
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...
133
Acute Respiratory Failure-III
167
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...
167
Acute Respiratory Failure-V
126
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...
126
Physical Assessment of the Respiratory Tract II: Inspection
246
Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
Chest Configuration
The chest configuration...
246
Acute Respiratory Failure-I
184
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,...
184
Assessment of Airway, Skin Color, and Use of Accessory Muscles
985
A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...
Introduction
The initial evaluation of a patient's respiratory system...
985


