A study found that people taking infused prostacyclin analogues for pulmonary hypertension had a significantly lower risk of developing age-related macular degeneration, an eye problem that causes vision loss in older adults. The protection was robust -- patients using systemic prostacyclin analogues were about 60% less likely to develop several types of age-related macular degeneration -- and the effect was sustained over time. Read the Eye article

For very preterm babies, inhaled nitric oxide in the first week of life seems to help both persistent pulmonary hypertension of the newborn (PPHN) and retinopathy. After the first week, though, inhaled nitric oxide wasn't associated with better outcomes. Inhaled nitric oxide could be reframed as multi-organ protection for very premature babies with PPHN. Read the Nature article

This study compared the costs of an 8-week centre-based pulmonary rehabilitation program to a virtual program. Costs and outcomes were...