title: Prognostic significance of preoperative left ventricular ejection fraction and valve lesion in patients with aortic valve replacement.
mesh_terms: D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000601:surgery*; D001022:Aortic Valve Insufficiency / Q000401:mortality*; D001024:Aortic Valve Stenosis / Q000401:mortality*; D004562:Electrocardiography; D005260:Female; D006333:Heart Failure / Q000401:mortality; D006352:Heart Ventricles / Q000601:surgery; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D013997:Time Factors