Reversibility of pulmonary hypertension in mitral stenosis

Mean pulmonary artery (PA) systolic pressure after correction of mitral stenosis with balloon valvuloplasty or surgical commisurotomy. Mean PA pressure fell progressively with both procedures.

Redrawn from Reyes VP, Raju BS, Wynne J, et al. N Engl J Med 1994; 331:961.

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