What is the mechanism of action of sildenafil in PPHN?
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4 min read
Persistent pulmonary hypertension of the newborn (PPHN) is a life-threatening neonatal condition that affects approximately 1.9 out of every 1,000 live births in the United States. For infants with this condition, understanding **what is the mechanism of action of sildenafil in PPHN** is crucial, as the drug can selectively relax blood vessels in the lungs and improve oxygenation.
