To establish the correlation among asthma efficacy parameters over a long period, data from
over 1500 patients in two one-year asthma clinical trials with montelukast, a Cys-LT1 …

Background: COPD is projected to be the third leading cause of death worldwide by 2020.
The Burden of Obstructive Lung Disease initiative was started to measure the prevalence of …

Objective: Underdiagnosis of COPD is widespread, at least in part due to underuse of
spirometry. Symptom‐based questionnaires may be helpful as an adjunct to spirometry. The …

Background: Chronic obstructive pulmonary disease (COPD), usually caused by tobacco
smoking, is one of the leading causes of morbidity and mortality. Smoking cessation at an …

BACKGROUND: Although chronic obstructive pulmonary disease (COPD) is mostly related
to tobacco smoking, a variable proportion of COPD occurs in never smokers. We …

The aim of the present study was to establish the agreement between two recommended
definitions of airflow obstruction in symptomatic adults referred for spirometry by their …

Background The assessment of small airways obstruction (SAO) using spirometry is
practiced in population-based studies. However, it is not clear what are the most used …

COPD is commonly under-diagnosed, in part because people at risk are unaware of the
relevant risk factors and do not recognize related symptoms. Providing this information might …

Background: There are little data available on the prevalence of chronic obstructive
pulmonary disease (COPD) in the United Kingdom. The Northern Ireland Cost and …

Despite the availability of guideline recommendations, diagnostic confusion between COPD
and asthma appears common, and often it is very difficult to decide whether the obstruction …