[Correction of pulmonary hypertension in heart surgery patients during the immediate postoperative period].

Long-acting nitrates given to patients undergone mitral commissurotomy caused a decrease in pulmonary hypertension severity. With nitroglycerin, euphylline, and papaverine, pulmonary pressure and total pulmonary and pulmonary arterial resistances, which was followed by enhanced cardiac output, optimized ejection fraction, and mean left ventricular blood ejection rate.