Isolated aortic stenosis-development of pulmonary hypertension in childhood

Dalal, J. J. ; Kulkarni, H. L. ; Jain, A. P. ; Nair, K. G. (1979) Isolated aortic stenosis-development of pulmonary hypertension in childhood Journal of Postgraduate Medicine, 25 (2). pp. 117-120. ISSN 0022-3859

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Abstract

Pulmonary hypertension is uncommon in children with isolat­ed congenital aortic stenosis, and even when present is usually mild. It is primarily due to transmission of the elevated left ventricular end-diastolic pressure through the pulmonary capil­lary circulation and may be then further elevated by reflex vaso­constriction. In some cases the stretching of a patent foremen ovate secondary to elevated left atrial pressure; may lead to a significant left to right shunt which further enhances pulmonary hypertension. This report discusses two cases of isolated aortic stenosis developing pulmonary hypertension in childhood.

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