对一氧化碳 (iso↓DLco) 的孤立异常扩散能力与艾滋病毒感染患者的呼吸道症状负担增加有关
Katerina L Byanova1, Jessica Fitzpatrick2, Amanda K Jan2
1Department of Medicine, Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, University of California San Francisco, San Francisco, California, United States of America.
PloS one
|July 18, 2023
概括
艾滋病毒感染者的一氧化碳 (DLco) 扩散能力的孤立减少与呼吸系统症状的增加有关. 这种关联随着更严重的DLco减少而恶化,影响生活质量.
科学领域:
- 肺部医学 肺部医学
- 传染性疾病 传染性疾病
- 呼吸系统生理学 呼吸系统生理学
背景情况:
- 单独减少一氧化碳扩散能力 (DLco) 是艾滋病毒感染者常见的肺功能检测异常.
- 在PWH中孤立降低DLco的临床意义尚未完全理解.
- 了解这种关联对于管理PWH的呼吸系统健康至关重要.
研究的目的:
- 调查与艾滋病毒感染者的孤立降低DLco和呼吸道症状负担之间的关联.
- 为了确定DLco减少的严重程度是否与呼吸系统症状的程度相关.
- 评估孤立降低DLco对PWH生活质量的影响.
主要方法:
- 来自I AM OLD队列的肺功能测试 (PFT) 的横截面分析.
- 具有正常螺旋计的PWH被按DLco水平分组:正常,轻度孤立的DLco降低,中度至严重的孤立的DLco降低.
- 多变量分析评估了DLco和验证的问卷 (mMRC,CAT,SGRQ) 和个体症状之间的关联.
主要成果:
- 轻度隔离减少的DLco与更高的圣乔治呼吸问卷 (SGRQ) 得分有关.
- 中度至重度的孤立降低DLco与较高的mMRC≥2概率,以及较高的COPD评估测试 (CAT) 和SGRQ分数有关.
- 患有中度至重度隔离性降低DLco的PWH报告呼吸困难增加,活动减少和信心降低.
结论:
- 孤立降低的DLco与PWH中更糟糕的呼吸系统症状得分有关.
- 对生活质量的负面影响随着DLco损害的增加而加剧.
- 需要进一步的研究,以阐明原因,并制定干预措施,以改善PWH中受损的气体交换.
相关概念视频
01:27Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
2.5K
Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
Medical History
2.5K
01:25Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
2.8K
Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
2.8K
01:29Pulmonary Tuberculosis I
270
Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
270
01:22Chronic Obstructive Pulmonary Disease
1.3K
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...
1.3K
01:20Chronic Obstructive Pulmonary Disease-I: Introduction
2.8K
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.
2.8K
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
2.9K
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
Chronic Inflammation
2.9K