Reactive oxygen and nitrogen species (RONS) are produced by several endogenous and
exogenous processes, and their negative effects are neutralized by antioxidant defenses …

Background The burden of chronic obstructive pulmonary disease (COPD) across many
world regions is high. We aim to estimate COPD prevalence and number of disease cases …

Introduction We present international consensus recommendations for improving diagnosis,
management and treatment access in multiple sclerosis (MS). Our vision is that these will be …

Background While the role of acute non-invasive ventilation (NIV) has been shown to
improve outcome in acute life-threatening hypercapnic respiratory failure in COPD, the …

Chronic obstructive pulmonary disease (COPD) is the third most common cause of death in
the USA. In 2010, the cost of COPD in the USA was projected to be approximately US …

Objective To estimate the prevalence of chronic obstructive pulmonary disease (COPD) and
chronic bronchitis in eight countries in South Asia through a systematic review and meta …

Background Frailty is common in seniors and is characterized by diminished physiological
reserves and increased vulnerability to stressors. Frailty can change the prognosis and …

Background Widespread application of pulmonary rehabilitation (also known as respiratory
rehabilitation) in chronic obstructive pulmonary disease (COPD) should be preceded by …

Chronic obstructive pulmonary disease (COPD) remains a major public health problem. It is
the fourth leading cause of chronic morbidity and mortality in the United States, and is …

Background Many epidemiologic studies have documented variable relationships between
ambient particulate matter (PM) and COPD hospitalizations and mortality in cities worldwide …