慢性阻塞性肺病中的炎症生物标志物和恶化
Mette Thomsen1, Truls Sylvan Ingebrigtsen, Jacob Louis Marott
1Department of Clinical Biochemistry and the Copenhagen General Population Study, Herlev Hospital, Copenhagen University Hospital, Herlev, Denmark.
JAMA
|June 13, 2013
概括
慢性阻塞性肺病 (COPD) 患者的炎症生物标志物如C反应蛋白 (CRP),纤维素和白细胞计数的增加显著增加了恶化的风险. 这种关联甚至适用于较轻的COPD病例和没有先前恶化的病例,这表明它们在风险评估中的有用性.
科学领域:
- 肺部医学 肺部医学
- 生物标志物 生物标志物
- 炎症 炎症是一种炎症.
背景情况:
- 慢性阻塞性肺病 (COPD) 的恶化对患者有显著的长期负面影响.
- 识别患恶化风险较高的个体对于主动管理至关重要.
研究的目的:
- 调查炎症生物标志物升高与稳定性COPD患者恶化风险之间的关联.
- 为了确定基线炎症标志物水平是否可以预测未来的COPD恶化.
主要方法:
- 一项前性队列研究涉及61,650名参与者,其中6,574人被诊断患有COPD.
- 基线测量C-反应蛋白 (CRP),纤维素和白细胞计数是在疾病稳定期间进行的.
- 恶化是由口服皮质类固醇治疗或住院治疗定义的;生物标志物水平被分类为高或低.
主要成果:
- 炎症生物标志物升高的个体表现出明显增加频繁恶化风险.
- 风险随着生物标志物数量增加而升级:在第一年,几率比率从1.2 (1生物标志物) 到3.7 (3生物标志物) 不等.
- 炎症生物标志物改善了恶化预测模型,在不同COPD严重程度和病史小组中得到一致的发现.
结论:
- 同时高水平的CRP,纤维素和白细胞计数与COPD恶化风险更高有关.
- 这种关联甚至存在于患有较轻度COPD或没有恶化病史的患者中.
- 需要进一步的研究来确定这些生物标志物的临床实用性,以确定COPD风险分层.
相关概念视频
01:24Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
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
01:27Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
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
01:25Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
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:
01:19Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations
Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...
01:24Chronic Obstructive Pulmonary Disease
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...