Background Chronic obstructive pulmonary disease (COPD) is characterised by partially
reversible airflow limitation. Many patients have little reversibility to short acting …

Lung hyperinflation commonly accompanies expiratory flow-limitation in patients with
Chronic Obstructive Pulmonary Disease (COPD) and contributes importantly to dyspnea and …

BACKGROUND This section is written to provide guidance in interpreting pulmonary
function tests (PFTs) to medical directors of hospital-based laboratories that perform PFTs …

Spirometry is the main pulmonary function test and is essential for the evaluation and
monitoring of respiratory diseases. Its utility transcends the field of Respiratory Medicine, is …

Background: The extent to which patient‐based outcomes can be used to evaluate and
communicate the effect of new drugs and devices is a subject of much debate. Criteria for …

Background In patients with COPD, changes in inspiratory capacity (IC) have shown a
higher correlation to patient-focused outcomes, such as dyspnea with exercise, than other …

Background Patients with COPD often require multiple therapies to improve lung function
and decrease symptoms and exacerbations. Salmeterol and theophylline are indicated for …

The main complaint of patients with chronic obstructive pulmonary disease (COPD) is
shortness of breath with exercise, that is usually progressive. The principal mechanism that …

Background Chronic obstructive pulmonary disease (COPD) is a condition associated with
high morbidity, mortality and cost to the community. Patients often report symptomatic …

In chronic obstructive pulmonary disease (COPD), worsening expiratory flow limitation
together with alteration in the elastic properties of the lung are associated with progressive …