Key result
Abstract omits specific long-term results comparing porcine, Starr, and Bjork valves for mitral valve replacement.
Why the study?
Does the choice of mitral valve prosthesis (Porcine, Starr, or Bjork) affect long-term results in patients undergoing mitral valve replacement?
Cohort (n=300)
No
Does the choice of mitral valve prosthesis (Porcine, Starr, or Bjork) affect long-term results in patients undergoing mitral valve replacement?
This study compares the long-term outcomes of three different mitral valve prostheses (Porcine, Starr, and Bjork) to evaluate the trade-offs between thromboembolic risks and valve durability.
Answers are grounded in this paper and cite their sources.
Should not yet guide mitral prosthesis selection; leaves open optimal choice among porcine, Starr, and Bjork valves.
The choice of a cardiac prosthesis for mitral valve replacement remains controversial, and thromboembolic complications are still a major cause of morbidity and mortality in patients with mechanical valves. Because of this, permanent anticoagulation with its risks and constraints on daily life is necessary. Bioprostheses, however, are associated with a lower rate of thromboembolic events. Therefore, the need for long-term anticoagulation is minimized. These advantages are counterbalanced by the limited durability of tissue valves. In an effort to give some perspective to this balance, we compared the long-term results of three commonly used mitral valve prostheses. Three hundred patients operated on in the same institution January 1974 to December 1978 form the basis of this evaluation.
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Perier et al. (1988) conducted a cohort in Mitral valve replacement (n=300). Porcine, Starr, and Bjork mitral valve prostheses vs. Compared against each other was evaluated.
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