Unexpected failure to improve after valve replacement surgery.
D000293:Adolescent; D000328:Adult; D001021:Aortic Valve; D002648:Child; D003326:Coronary Circulation; D005260:Female; D006349:Heart Valve Diseases / Q000503:physiopathology / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D014261:Tricuspid Valve