Porcine tissue valves provide similar clinical improvement and actuarial survival rates compared to mechanical prostheses, supporting their use when anticoagulation risk is high.
Cardiac valve replacement
Porcine bioprosthetic heart-valve replacement vs Mechanical forms of prosthesis
Clinical improvement and actuarial survival rates
This issue of the Journal contains a detailed review by Cohn et al. of a group of patients who underwent porcine bioprosthetic heart-valve replacement. Is the authors' final sentence ("Even with the uncertainty of long-term durability, if the risk of anticoagulation in an individual patient is high, tissue valves should be used.") supported by their data and by that in the literature?There is general agreement with their conclusions that the clinical improvement and actuarial survival rates of patients receiving porcine tissue valves (bioprostheses) are similar to those of patients receiving the available mechanical forms of prosthesis.1 , 2 Thromboembolism in the . . .
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John W. Kirklin
Cardiac Surgery
New England Journal of Medicine
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John W. Kirklin (Thu,) conducted a editorial in Cardiac valve replacement. Porcine bioprosthetic heart-valve replacement vs. Mechanical forms of prosthesis was evaluated on Clinical improvement and actuarial survival rates. Porcine tissue valves provide similar clinical improvement and actuarial survival rates compared to mechanical prostheses, supporting their use when anticoagulation risk is high.
synapsesocial.com/papers/6a0ccbd5291fe4aa6262558c — DOI: https://doi.org/10.1056/nejm198101293040508
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