Surgical experience with symptomatic myxomatous valvular transformation (the floppy valve syndrome).
D000293:Adolescent; D005260:Female; D006333:Heart Failure / Q000532:radiotherapy*; D006349:Heart Valve Diseases / Q000601:surgery*; D006801:Humans; D008297:Male; D008382:Marfan Syndrome / Q000601:surgery*; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000601:surgery*