Left ventricular performance improves late after aortic valve replacement in patients with aortic stenosis and reduced ejection fraction

EF in patients with aortic stenosis and reduced EF who underwent aortic valve replacement did not improve by 1 week postoperatively despite rectification of afterload mismatch. By 6 months, however, EF significantly improved without any further change in ventricular loading conditions. This implies...

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Bibliographic Details
Published in:The American journal of cardiology 1995-09, Vol.76 (8), p.612-615
Main Authors: Robiolio, Paul A., Rigolin, Vera H., Hearne, Steven E., Baker, William A., Kisslo, Katherine B., Pierce, Cynthia H., Bashore, Thomas M., Harrison, J.Kevin
Format: Article
Language:English
Subjects:
Aged
Aortic Valve
Aortic Valve Stenosis - diagnosis
Aortic Valve Stenosis - physiopathology
Aortic Valve Stenosis - surgery
Biological and medical sciences
Bioprosthesis
Cardiovascular disease
Female
Heart
Heart Valve Prosthesis
Humans
Male
Medical procedures
Medical sciences
Middle Aged
Postoperative Period
Prospective Studies
Stroke Volume
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Surgery of the heart
Time Factors
Ventricular Function, Left
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Summary:EF in patients with aortic stenosis and reduced EF who underwent aortic valve replacement did not improve by 1 week postoperatively despite rectification of afterload mismatch. By 6 months, however, EF significantly improved without any further change in ventricular loading conditions. This implies that the benefit from aortic valve replacement (when measured by LV ejection performance) may not be evident until late postoperatively.
ISSN:0002-9149
1879-1913
DOI:10.1016/S0002-9149(99)80168-4