A ratio of your FEV1/FVC needs to be less than 0.7 for a diagnosis of COPD. Doctors grade your spirometry results from grade 1 (least severe) to grade 4 (most severe). In the old system ...

The test can help determine COPD staging. Depending on your FEV1 and FVC readings, your doctor will stage your COPD based on the following: The first stage is considered mild.Your FEV1 is equal to ...

Background: There is controversy about whether therapy with inhaled corticosteroids (ICSs) modifies the natural history of COPD, characterized by an accelerated decline in FEV 1. Methods ...

“Patients with mild-to-moderate COPD who have low exercise tolerance are likely to experience poor respiratory health outcomes,” the investigators concluded. “Exercise tolerance may be considered one ...

Researchers have identified new lung function and blood test cutoffs to improve timely chronic hypercapnia management in ...

Researchers have found in a new study that Individuals with better lung function, as measured by forced vital capacity (FVC), ...

Acoustic impedence devices Lung Flute® This device utilizes vigorous ... which was associated with a decrease in FEV1, airway clearance techniques were not associated with adverse effects.

"Pharmacotherapy with salmeterol plus fluticasone propionate, or the components, reduces the rate of decline on FEV1 in patients with moderate to severe COPD, thus slowing disease progression ...

Ensifentrine also achieved significant improvements in key measures of lung function in the trial, including the primary endpoint of forced expiratory volume (FEV1) at 12 weeks, as well as in COPD ...