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相关概念视频

COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

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Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
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Chronic Obstructive Pulmonary Disease-I: Introduction01:20

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Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
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Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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长期COVID:肺部病理生理学及其与认知功能障碍的关系

Keegan R Staab1, Marrissa J McIntosh1, Abhilash S Kizhakke Puliyakote1

  • 1University of Iowa.

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长期的COVID可能会导致与肺部问题相关的持久认知问题. 长期COVID患者的肺气交换受损与睡眠问题和认知缺陷相关,这表明存在联系.

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科学领域:

  • 神经学 神经学
  • 肺部病理学 肺部病理学
  • 放射学 放射学是一门学科.

背景情况:

  • COVID-19 (长期COVID) 后急性后续症状呈现出持续的身体和认知症状.
  • 长期COVID肺部病理生理学和认知功能障碍之间的关系尚不清楚.

研究的目的:

  • 探索长期COVID患者肺功能和认知表现之间的联系.
  • 为了研究肺气交换,脑成像发现和认知症状之间的相关性.

主要方法:

  • 从一个后COVID-19诊所招募了长COVID参与者.
  • 使用了PROMIS问卷,NIHTB-CB,肺功能测试,结构/功能大脑MRI和129XeMRI.
  • 使用 Spearman 部分相关性对年龄进行调整,评估了双变量关系.

主要成果:

  • 普罗米斯得分揭示了显著的疲劳,焦虑,抑郁,睡眠障碍和认知功能的降低.
  • 接受NIHTB-CB的客观认知表现通常在正常范围内.
  • 减少129XeMRI气体交换与睡眠障碍增加,执行功能障碍和大脑输液升高相关.

结论:

  • 研究结果表明,在长期COVID中,肺部病理生理学和认知功能障碍之间存在联系.
  • 在长期COVID患者中持久的呼吸和认知症状可能相互联系.
  • 需要进一步的研究来阐明这些关联背后的机制.