Considerable controversy exists on the best methods to diagnose airflow obstruction. Most of the discrete ratio thresholds used to define airflow obstruction are insensitive to early and mild disease.

Researchers have found in two longitudinal cohorts that Incorporating chest CT imaging and respiratory symptoms into the ...

Individuals with pre-bronchodilator airflow obstruction appeared to be at significant risk for future COPD development, researchers reported in the American Journal of Respiratory and Critical ...

However, there is some epidemiologic evidence that mucus hypersecretion is accompanied by airflow obstruction, perhaps as a result of obstruction of peripheral airways. 2 Most patients with COPD ...

The schema newly classified 15.4% of persons without airflow obstruction as having COPD by minor diagnostic category, Surya P. Bhatt, MD, MSPH, of the University of Alabama at Birmingham, reported ...

SAN FRANCISCO — Using imaging and respiratory symptoms, researchers identified up to 15.4% of individuals without airflow obstruction as having COPD, according to research presented at the ...

In the Canadian CanCOLD cohort, 48 of 685 participants (7.0 %) without airflow obstruction were newly classified as having COPD under the minor-criteria path, while 105 of 656 participants (16.0 % ...

Also, airflow obstruction increased with age as it was prevalent in 2.1%, 4.3%, 8.3%, and 14.4% of those aged between 40 to 49 years, 50 to 59 years, 60 to 69 years, and 70 to 74 years, respectively.

The schema newly classified 15.4% of persons without airflow obstruction as having COPD by minor diagnostic category, Surya P. Bhatt, MD, MSPH, of the University of Alabama at Birmingham, reported ...