US researchers have found evidence that impaired left ventricular filling in patients with chronic obstructive pulmonary disease and emphysema is caused by reduced left ventricular preload due to upstream pulmonary causes, as opposed to intrinsic diastolic dysfunction.

Australian research shows that in older patients with chronic obstructive pulmonary disease and comorbid diabetes, high-dose corticosteroids are associated with an increased risk for diabetes-related complications, regardless of how they are administered.

Vitamin C can help alleviate exercise-induced bronchoconstriction, show the results of a meta-analysis published in BMJ Open.