Babies with persistent pulmonary hypertension of the newborn (PPHN) started quickly on treatment with prostaglandin E1 (PGE1) — which lowers blood pressure by allowing blood vessels to relax and open up — show a better working heart and a lesser need of extra oxygen, a study reports. “Importantly, the…

People with pulmonary arterial hypertension (PAH) who have problems breathing while they’re sleeping — causing nocturnal hypoxemia, or oxygen levels in the blood to drop during the night — are nearly twice as likely as patients without such difficulty to experience clinical worsening, a study found. “The rate of…