Posts Tagged ‘Chronic Obstructive Pulmonary Disease’

Long-Term Oxygen for COPD

Posted by • October 27th, 2016

Two trials that were conducted in the 1970s showed that long-term treatment with supplemental oxygen reduced mortality among patients with chronic obstructive pulmonary disease (COPD) and severe resting hypoxemia. In the 1990s, two trials evaluated long-term treatment with supplemental oxygen in patients with COPD who had mild-to-moderate daytime hypoxemia; neither trial showed a mortality benefit,… Read More…

Origins of Chronic Obstructive Pulmonary Disease

Posted by • September 1st, 2016

The conventional thinking about chronic obstructive pulmonary disease (COPD) is that exposures in adult life, such as smoking, lead to a low FEV1:FVC ratio, the physiological hallmark of COPD (a frequent cause of illness and death). Although smoking is still considered a major culprit, it is now known that genetic, environmental, and developmental factors that… Read More…

COPD Is Not the Whole Story

Posted by • May 11th, 2016

Many diagnostic guidelines use black or white parameters – either patients meet the criteria and have the disease, or they don’t. While guidelines like this can be useful for developing clear definitions, in practice many patients fall within a gray area. The current diagnosis of Chronic Obstructive Pulmonary Disease (COPD), for example, relies on spirometry… Read More…