Any patient who smokes one or more cigarettes per day will be considered an active smoker. The criteria for the diagnosis of COPD is a post-bronchodilator FEV1/FVC ratio of < 70% (absolute value).

Background: Diagnosing acute exacerbation of chronic obstructive pulmonary disease (AECOPD) remains challenging in clinical practice. Computed tomography (CT) plays a great role in characterizing and ...

Upon implementing race-neutral equations, there was a decrease in z scores among Black children for forced expiratory volume in 1 second (FEV1; mean difference −0.814, 95% CI −0.823 to −0.806, P<0.001 ...

Increased arterial stiffness is a known predictor of cardiovascular diseases in different populations, including healthy subjects and patients with hypertension, diabetes, or renal disease. A new ...

A spirometry is a pulmonary function test that measures how much air a person breathes out, and how quickly. Pulmonary function tests measure how well the lungs are working. It is an office-based ...

Please provide your email address to receive an email when new articles are posted on . The link between preserved ratio impaired spirometry (PRISm) and airway obstruction development was independent ...

Spirometry is a type of pulmonary function test that provides information about the function of the lungs and can be used for a variety of purposes. The test uses a spirometer, which is a specialized ...

Recent studies show that many patients are being treated for COPD without confirmatory spirometry. In-office testing is easy and available. A recent study showed that only 32% of patients admitted to ...

Please provide your email address to receive an email when new articles are posted on . Black children had lower FEV 1 and FVC percent predicted after race-neutral vs. -specific equation use. Black vs ...

This is a multicentre, open-label, randomized clinical trial. Study subjects are active smokers older than 40 years of age with a more than 10 pack-year history who have not been diagnosed with COPD, ...