title: Echocardiographic predictors of survival in low gradient aortic stenosis.
abstract: Echocardiographic predictors of long-term survival for patients with low gradient aortic stenosis who undergo aortic valve replacement have not been previously reported. This study shows that patients with larger pre- and postoperative left ventricular volumes, a lower mean preoperative aortic pressure gradient, and failure of volumes to decrease and ejection fraction to increase postoperatively may have a poor prognosis.
authors.affiliation: Division of Cardiology, University of New Mexico, Albuquerque, USA.
authors.forename: R L
authors.initials: RL
authors.lastname: Smith
authors.forename: D
authors.initials: D
authors.lastname: Larsen
authors.forename: M H
authors.initials: MH
authors.lastname: Crawford
authors.forename: B K
authors.initials: BK
authors.lastname: Shively
mesh_terms: D000328:Adult; D000368:Aged; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging / Q000401:mortality* / Q000503:physiopathology* / Q000601:surgery; D005260:Female; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013318:Stroke Volume / Q000502:physiology; D018608:Ultrasonography, Doppler; D018487:Ventricular Dysfunction, Left / Q000503:physiopathology