stenosis(pulmonary artery)

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Stenoses can occur in any part of the arterial tree, but most commonly occur at the bifurcation of the main pulmonary artery or within the lung. Obstruction causes a corresponding degree of right ventricular hypertension.

If the condition is severe and longstanding then right ventricular failure may develop. If the obstruction is intrapulmonary then it cannot be relieved surgically.

Last reviewed 01/2018