Health Tips Neonatal Critical Care PPHN: Every Neonatologist’s Nightmare! by admin January 7, 2013 Persistent Pulmonary Hypertension (PPHN) is the common end point of various pathophysiological processes operating in and ex utero. It is basically a failed transition of fetal circulation to neonatal circulation.… Continue Reading Read more 0 comment 1 FacebookTwitterPinterestEmail