Jeffrey R Fineman, M.D.


Research Interests:
Endothelial regulation of the pulmonary circulation during normal development and during the development of pediatric pulmonary hypertension disorders. Endothelial dysfunction in pediatric pulmonary hypertension

Pulmonary hypertension, high blood pressure in the lungs, is a serious disorder in subsets of neonates, infants, and children. These include newborns with persistent pulmonary hypertension of the newborn (PPHN), children with congenital heart defects, and teenagers and young adults with primary pulmonary hypertension. The vascular endothelium (the cells that line the blood vessels in the lungs), via the production of vasoactive factors such as nitric oxide and endothelin-1, are important regulators of the tone and growth of pulmonary blood vessels. We utilize an integrated physiologic, biochemical, molecular, and anatomic approach, to study the potential role of aberrant endothelial function in the pathophysiology of pulmonary hypertensive disorders. To this end, we utilize fetal surgical techniques to create animal models of congenital heart disease, and investigate the early role of endothelial alterations in the pathophysiology of pulmonary hypertension secondary to congenital heart disease with increased pulmonary blood flow. Our clinical research interests include the use of pulmonary vasodilator therapy for pediatric pulmonary hypertension, and the use of peri-operative BNP levels as marker of outcome following repair of congenital heart disease.

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