title: Thrombectomy for obstructed Björk-Shiley mitral valve prosthesis.
mesh_terms: D000328:Adult; D004452:Echocardiography; D005260:Female; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000473:pathology / Q000503:physiopathology / Q000601:surgery; D013927:Thrombosis / Q000209:etiology / Q000473:pathology / Q000503:physiopathology / Q000601:surgery*