Abstract
Pulmonary hypertension in the neonate is associated with multiple underlying problems such as respiratory distress syndrome, meconium aspiration syndrome, congenital diaphragmatic hernia, bronchopulmonary dysplasia, sepsis, or congenital heart disease. Because of the heterogeneous group of disorders, the therapeutic approach and response often depends on the underlying disease. In many of these conditions, there is evidence that cyclic nucleotide signaling and specifically phosphodiesterases (PDEs) are disrupted. PDE inhibitors represent an emerging class of pulmonary vasodilators in adults. Studies are now under way to evaluate the utility, efficacy, and safety of such therapies in infants with pulmonary hypertension.
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- BPD:
-
Bronchopulmonary dysplasia
- CDH:
-
Congenital diaphragmatic hernia
- COX:
-
Cyclooxygenase
- eNOS:
-
Endothelial nitric oxide synthase
- ET-1:
-
Endothelin-1
- FPASMC:
-
Fetal pulmonary artery smooth muscle cells
- H2O2 :
-
Hydrogen peroxide
- iNOS:
-
Inducible nitric oxide synthase
- iNO:
-
Inhaled nitric oxide
- MAS:
-
Meconium aspiration syndrome
- NAC:
-
N-acetyl-cysteine
- NSAIDs:
-
Nonsteroidal anti-inflammatory drugs
- PPHN:
-
Persistent pulmonary hypertension of the newborn
- PDE:
-
Phosphodiesterase
- PGIS:
-
Prostacyclin synthase
- ROS:
-
Reactive oxygen species
- RVH:
-
Right ventricular hypertrophy
- sGC:
-
Soluble guanylate cyclase
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The authors are supported by NIH grants HL086715 (KNF) and HL54705 (RHS).
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Farrow, K.N., Steinhorn, R.H. (2011). Phosphodiesterases: Emerging Therapeutic Targets for Neonatal Pulmonary Hypertension. In: Francis, S., Conti, M., Houslay, M. (eds) Phosphodiesterases as Drug Targets. Handbook of Experimental Pharmacology, vol 204. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17969-3_11
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