从轻度到中度的COVID-19中恢复过来的个体中的肺扩散能力:一个横截面研究
Dana Yelin1,2, Nassem Ghantous3, Muhammad Awwad3
1Infectious Diseases Unit, Sheba Medical Center, Ramat Gan, Israel. dana.yelin@gmail.com.
对一氧化碳 (DLCO) 的扩散能力降低在轻度疾病后的长期COVID患者中很常见. 女性和吸烟者面临更高的风险,呼吸障碍的严重程度与肺功能受损相关.
科学领域:
- 肺部病理学 肺部病理学
- 传染性疾病 传染性疾病
- 长时间的COVID研究
背景情况:
- 对一氧化碳的肺扩散能力受损 (DLCO) 是已知的严重COVID-19后的并发症.
- 长期COVID经常跟随轻度至中度的急性疾病,其中DLCO变化不太了解.
研究的目的:
- 在轻度至中度急性疾病后,评估长期COVID患者的DLCO.
- 为了确定与该人群中DLCO受损相关的临床因素.
主要方法:
- 对458名长期COVID症状>3个月后的成年人进行横截面研究.
- 肺功能测试 (PFT),包括DLCO测量.
- 多变量逻辑回归用于识别受损DLCO的相关物 (预测<80%).
主要成果:
- 在17%的队列中观察到较低的DLCO.
- 损伤的DLCO与女性性别 (OR 3.64),吸烟 (OR 2.25) 和中度至重度呼吸障碍 (OR 2.77) 有关.
- 较高的BMI与DLCO (或每单位0.90) 反对相关.
结论:
- 损坏的DLCO在从轻度至中度疾病中恢复的长期COVID患者中普遍存在.
- 女性性别,吸烟和主观呼吸障碍是减少DLCO的关键相关因子.
- 自我报告的呼吸障碍可以指导肺功能障碍的临床评估.
更多相关视频
08:44Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies
Published on: February 2, 2024
07:09Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise
Published on: February 20, 2017
相关概念视频
Chronic Obstructive Pulmonary Disease-I: Introduction
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
Medical History
Pulmonary Function Tests
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
Respiratory Capacities
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
Pulmonary Cycle: Exhalation
COPD: Management Using Bronchodilators and Corticosteroids
