BACKGROUND: OSAS and COPD are often associated with day-time hypoxemia. Overlap
Syndrome (OS), the association between both diseases, increases the risk of day-time …

Background The coexistence of obstructive sleep apnea (OSA) and chronic obstructive
pulmonary diseases (COPD) is known as overlap syndrome (OS); it occurs in 10–20% of …

Background Obstructive sleep apnea (OSA) and chronic obstructive pulmonary disease
(COPD) are two of the most common chronic respiratory disorders. Co-existence of both …

In some patients obstructive sleep apnoea (OSA) may co-exist with chronic obstructive
pulmonary disease (COPD) and respiratory failure; the so-called" overlap syndrome" …

Background The co‐existence of chronic obstructive pulmonary disease (COPD) and
obstructive sleep apnea (OSA) is a common phenomenon referred to as overlap syndrome …

Background: Both chronic obstructive pulmonary disease (COPD) and obstructive sleep
apnea syndrome (OSAS) are common diseases. Some recent studies suggest an increased …

Background. Alveolar hypoxia is the most important mechanism leading to pulmonary
arterial vasoconstriction, remodelling and pulmonary hypertension. Patients with Obstructive …

Chronic obstructive pulmonary disease (COPD) and obstructive sleep apnoea (OSA) are
highly prevalent disorders and the co-existence of both disorders, termed the overlap …

Purpose The association of chronic obstructive pulmonary disease (COPD) and obstructive
sleep apnea (OSA), defined overlap syndrome by Flenley, is frequent. Aims of the present …

Obstructive sleep apnea (OSA) has been shown to be an inflammatory stimulus and may
potentially result in a deterioration in the respiratory status of patients with coexistent chronic …