title: Levosimendan in aortic valve surgery: cardiac performance and recovery.
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000601:surgery*; D002118:Calcium / Q000378:metabolism; D002315:Cardiopulmonary Bypass; D002316:Cardiotonic Agents / Q000494:pharmacology*; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D006835:Hydrazones / Q000494:pharmacology*; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D011446:Prospective Studies; D011724:Pyridazines / Q000494:pharmacology*; D000077464:Simendan; D013318:Stroke Volume / Q000187:drug effects; D016277:Ventricular Function, Left / Q000187:drug effects
chemical_list: D002316:Cardiotonic Agents; D006835:Hydrazones; D011724:Pyridazines; D000077464:Simendan; D010100:Oxygen; D002118:Calcium