Method of treating pulmonary hypertension

摘要

Levosimendan, or (-)-[[4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl]hydraz ono]-propanedinitrile, which has been previously suggested for tho treatment of congestive heart failure is useful in the treatment of pulmonary hypertension