title: Effect of preoperative ejection fraction on survival and hemodynamic improvement following aortic valve replacement.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001022:Aortic Valve Insufficiency / Q000401:mortality / Q000503:physiopathology / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000401:mortality / Q000503:physiopathology / Q000601:surgery*; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002302:Cardiac Output; D005260:Female; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000401:mortality; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D010100:Oxygen / Q000097:blood; D011379:Prognosis; D011652:Pulmonary Circulation
chemical_list: D010100:Oxygen