[Two cases of severe intravascular hemolysis after valve replacement].
D000743:Anemia, Hemolytic / Q000209:etiology*; D005260:Female; D006349:Heart Valve Diseases / Q000601:surgery; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000209:etiology*