title: Late results after replacement of the aortic valve by the Lillehei-Kaster disc valve. Significance of preoperative pulmonary hypertension.
mesh_terms: D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000601:surgery*; D005260:Female; D006350:Heart Valve Prosthesis / Q000401:mortality; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011652:Pulmonary Circulation