| Risk factors of reoperations for prosthetic heart valve dysfunction in the ten years 1984-1993. | |
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MedLine Citation:
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PMID: 7570566 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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From January 1984 to December 1993 a total of 154 patients (89 men and 85 women) required 160 reoperations for prosthetic heart valve dysfunction. Four patients required a second, two patients a third reoperation. Age was (mean +/- SD [range]) 38.8 +/- 10.2 (17 to 64) years. The primary operation was mitral valve replacement in 105 patients, aortic valve replacement in 20, and both aortic and mitral valve replacement in 29. The time interval between initial valve replacement and reoperation was 66.4 +/- 40 (3 to 288) months for the mechanical prostheses and 68.7 +/- 32 (24 to 140) months for bioprostheses; the difference was not statistically significant. Primary tissue failure was the most common cause of the reoperation for bioprostheses and valve thrombosis for mechanical prostheses. The hospital mortality rate was significantly higher in the replacement of mechanical prostheses (14/58 = 24.1% vs. 7/102 = 6.8%, p = 0.004). Low preoperative functional capacity and valve thrombosis were linked to higher mortality rates. It is discussed that monoleaflet mechanical valves yielded the highest operative mortality and that, excluding these, the risk of mortality in prosthetic valve reoperations today does not differ much from that in primary valve replacements. |
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Authors:
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E Sener; B Yamak; S F Katircioğlu; G Ozerdem; H Karagöz; O Taşdemir; K Bayazit |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Thoracic and cardiovascular surgeon Volume: 43 ISSN: 0171-6425 ISO Abbreviation: Thorac Cardiovasc Surg Publication Date: 1995 Jun |
Date Detail:
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Created Date: 1995-11-22 Completed Date: 1995-11-22 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7903387 Medline TA: Thorac Cardiovasc Surg Country: GERMANY |
Other Details:
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Languages: eng Pagination: 148-52 Citation Subset: IM |
Affiliation:
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Department of Cardiovascular Surgery, Türkiye Yüksek Ihtisas Hospital, Ankara, Turkey. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aortic Valve Bioprosthesis* / mortality, statistics & numerical data Female Heart Valve Prosthesis* / mortality, statistics & numerical data Hospital Mortality Humans Male Mitral Valve Morbidity Postoperative Complications / epidemiology Prosthesis Design Prosthesis Failure Reoperation / mortality, statistics & numerical data Retrospective Studies Risk Factors Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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