The long-term follow-up of the Hancock Modified Orifice porcine bioprosthetic valve.
作者： Lawrence H. Cohn , Gregory S. Couper , Sary F. Aranki , Nancy M. Kinchla , John J. Collins
DOI: 10.1111/JOCS.1991.6.4S.557
关键词: Medicine 、 Mitral valve 、 Aortic valve 、 Bioprosthetic valve 、 Surgery 、 Internal medicine 、 Body orifice 、 Concomitant 、 Cardiology 、 Artery 、 Long term follow up 、 Aortic valve replacement
摘要: The Hancock Modified Orifice valve is a specially fabricated, trileaflet porcine valve, which has been in clinical use at the Brigham and Women's Hospital since 1976. Three hundred seventy-nine aortic replacements with this device were implanted from 1976 to 1985; 305 isolated 74 association mitral bioprosthesis. patients undergoing replacement, Food Drug Administration patient group, are subject of article. mean size was 22.5 mm, 115 21-mm valves used. functional preoperative class 3.2; 99 (32.5%) underwent concomitant coronary artery bypass grafting. There six operative deaths (2%). Patients followed 6-14 years (mean 7.4 years), analysis completed early 1991. 10-year actuarial calculation survival freedom reoperation, thromboembolism, structural degeneration, perivalvular leak, infectious total morbidity mortality presented.
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