Nyligt myokardieinfarkt VALIANT- undersøgelsen (The VALsartan In Acute myocardial iNfarcTion trial) var en randomiseret, kontrolleret, multinational, dobbeltblindet undersøgelse med 14. 703 patienter med akut myokardieinfarkt og tegn, symptomer eller radiologisk verificeret kongestivt hjertesvigt og/ eller venstre ventrikulær systolisk dysfunktion (påvist ved en uddrivningsfraktion på ≤ 40% ved radionukleid ventrikulografi eller ≤ 35% ved ekkokardiografi eller ventrikulær kontrast- angiografi).
Recent myocardial infarction The VALsartan In Acute myocardial iNfarcTion trial (VALIANT) was a randomised, controlled, multinational, double-blind study in 14,703 patients with acute myocardial infarction and signs, symptoms or radiological evidence of congestive heart failure and/ or evidence of left ventricular systolic dysfunction (manifested as an ejection fraction ≤ 40% by radionuclide ventriculography or ≤ 35% by echocardiography or ventricular contrast angiography).