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Analysis of homograft valve failure in 311 patients followed up to 10 years. 1975

C H Moore, and V Martelli, and N Al-Janabi, and D N Ross

Homograft aortic valve replacement was performed in 311 patients at the tnational Heart thospital, London, between 1964 and 1973. Valve failure has occurred in 61 patients (20%), 32 of whom survived reoperation. From 1963 through 1967, 156 valves were freeze-dried and account for 56 of the valve failures. From 1968 to 1973, 118 fresh or fresh-frozen valves resulted in only 5 failures. Six general types of failure have been identified: calcification (13), dehiscence (15), infective endocarditis (17), prolapse (6), cusp degeneration (5), and tear or perforation (5). Valve failure may be due to surgical technical error resulting in dehiscence or valve incompetence, or it may be related to degenerative changes in the homograft. The clinical results, supported by gross and histological examination and viability testing, enable us to conclude that fresh or fresh-frozen valves are superior to freeze-dried valves, having resulted in only 4% valve failure over the past five years.

UI MeSH Term Description Entries
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006337 Heart Murmurs Heart sounds caused by vibrations resulting from the flow of blood through the heart. Heart murmurs can be examined by HEART AUSCULTATION, and analyzed by their intensity (6 grades), duration, timing (systolic, diastolic, or continuous), location, transmission, and quality (musical, vibratory, blowing, etc). Cardiac Murmurs,Diastolic Murmurs,Innocent Murmurs,Cardiac Murmur,Diastolic Murmur,Heart Murmur,Innocent Murmur,Murmur, Cardiac,Murmur, Diastolic,Murmur, Heart,Murmur, Innocent,Murmurs, Cardiac,Murmurs, Diastolic,Murmurs, Heart,Murmurs, Innocent
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001021 Aortic Valve The valve between the left ventricle and the ascending aorta which prevents backflow into the left ventricle. Aortic Valves,Valve, Aortic,Valves, Aortic
D014021 Tissue Preservation The process by which a tissue or aggregate of cells is kept alive outside of the organism from which it was derived (i.e., kept from decay by means of a chemical agent, cooling, or a fluid substitute that mimics the natural state within the organism). Preservation, Tissue,Preservations, Tissue,Tissue Preservations
D014184 Transplantation, Homologous Transplantation between individuals of the same species. Usually refers to genetically disparate individuals in contradistinction to isogeneic transplantation for genetically identical individuals. Transplantation, Allogeneic,Allogeneic Grafting,Allogeneic Transplantation,Allografting,Homografting,Homologous Transplantation,Grafting, Allogeneic

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