Background Previous studies have demonstrated that patients with COPD are at higher risk
for death after percutaneous coronary intervention (PCI), but other clinical outcomes and …

Purpose The purpose of this study was to determine how four different definitions of
bronchodilator response (BDR) relate to asthma control and asthma symptom burden in a …

Background Debate continues as to whether acute bronchodilator responsiveness (BDR)
predicts long-term outcomes in COPD. Furthermore, there is no consensus on a threshold …

This useful complement to ACSM's Guidelines for exercise testing and prescription,
elaborates on all the major aspects of preventative rehabilitation and fitness programs, and …

Chronic obstructive pulmonary disease (COPD) and asthma represent a substantial portion
of primary care practice. In adults, differentiating asthma from COPD can be difficult but is …

Background Following the “hygiene hypothesis”, the role of sibship composition in asthma
and wheezing has been extensively studied, but the findings are inconsistent. For the first …

Chronic obstructive pulmonary disease (COPD) is a treatable disease characterized by
progressive airflow limitation. Prevention of disease progression, improvement of symptoms …

The natural variant C491T (rs1800088) in ADRB2 gene substitutes Threonine to Isoleucine
at 164th position in β2AR and results in receptor sequestration and altered binding of …

There has been a real interest recently in developing once-daily β2-adrenoceptor agonists
(ultra-long-acting β 2-adrenoceptor agonists [ultra-LABAs]) for treating asthma and chronic …

Pulmonary function testing (PFT) has a long and rich history in the definition, diagnosis, and
management of COPD. For decades, spirometry has been regarded as the standard for …