The Cellular Basis of the Pathophysiology and Treatment of Pulmonary Hypertension
Pulmonary hypertension has traditionally been categorized into primary and secondary types. Although primary pulmonary hypertension (PPH) is felt to be relatively unique as a cardiopulmonary disease, its distinction from secondary forms of pulmonary hypertension often solely depends on whether or not an identifiable etiology can be ascertained. Histologically it can be impossible to distinguish primary from secondary forms of pulmonary hypertension (Pietra et al, 1989), suggesting that the distinction may be in the mechanism(s) that produce the pulmonary vascular disease with pulmonary hypertension as a common end point.
KeywordsPulmonary Hypertension Congenital Heart Disease Pulmonary Blood Flow Primary Pulmonary Hypertension Secondary Form
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