相关实验视频

Updated: May 16, 2025

Conducting Respiratory Oscillometry in an Outpatient Setting

Conducting Respiratory Oscillometry in an Outpatient Setting

Published on: April 8, 2022

在暴露于烟草的成年人中,由振荡计定义的小呼吸道功能障碍,有受损或保留的空气流

Mustafa Abdo¹, Henrik Watz^2,3, Frederik Trinkmann⁴

¹LungenClinic Grosshansdorf GmbH, Airway Research Center North, Grosshansdorf, Germany; mustafa.abdo@med.uni-heidelberg.de.

American journal of respiratory and critical care medicine

|April 2, 2025

概括

小呼吸道功能障碍 (SAD) 影响39%的成年人接触烟草,即使有正常的螺旋计. 这种情况与结构性肺部变化,生活质量下降以及心血管疾病风险增加有关.

科学领域:

肺部医学肺部医学
呼吸系统研究呼吸系统研究
心血管健康心血管健康

背景情况:

小呼吸道功能障碍 (SAD) 是慢性阻塞性肺病 (COPD) 的一个关键特征.
虽然SAD在暴露于烟草的成年人中也可能存在,即使有正常的螺旋计,但其作用还未得到充分研究.
振荡计是检测SAD的一个有价值的工具.

研究的目的:

为了确定在暴露于烟草的成年人中振荡计定义的SAD的患病率.
探索SAD与气道结构变化,生活质量 (QoL) 以及代谢和心血管疾病 (CVD) 之间的关联.
为了研究SAD在受损和保存空气流的个体中.

主要方法:

分析了来自肺癌查试验的1628名参与者的子队列.
使用螺旋计,振荡计和AI驱动的CT扫描来评估气道疾病.
SAD被定义为电阻或反应面积的频率依赖;受损的空气流包括空气流阻塞 (AFO) 和保留比率受损螺旋计 (PRISm).

主要成果:

总体而言,SAD的患病率为39%,在26%的空气流保持 (PA-SAD) 和60%的空气流受损患者中存在.
与正常肺功能相比,PA-SAD与更低的QOL,增加气道壁厚度,更窄的光线,更少的气道分支以及更高的代谢和心血管疾病率有关.
抑郁症,即使在保持空气流量的个体中,也与心血管疾病独立相关 (OR: 1.91).

结论:

抑郁症在暴露于烟草的成年人中非常普遍,并且与不良健康结果有关,包括结构性肺部变化,降低QoL和增加心血管疾病风险,不管螺旋计分类如何.
PA-SAD 是一个与 AFO 截然不同的实体,其特点是保持呼吸道数量和最小的肺气.
早期发现和管理SAD对于减轻长期呼吸和心血管后果至关重要.

关键词:

在COPD前的情况.这就是 SAD SAD SAD.振荡计测量 (oscillometry) 是一种方法来测量振荡.

更多相关视频

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice

Published on: January 16, 2015

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke

Published on: February 12, 2015

相关概念视频

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Chronic 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

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

Chronic 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 Obstructive Pulmonary Disease-I: Introduction

Chronic Obstructive Pulmonary Disease-I: Introduction

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.