Key result
Cardiac valve replacement with the Delrin-disc Björk-Shiley prosthesis yielded an actuarial survival of 84.8% at 5 years and 78.1% at 9 years, with a thromboembolism rate of 8.8%.
Population
83 patients who received 102 Björk-Shiley valve prostheses with the Delrin-disc occluder between January…
Design
Cohort
Follow-up
mean 66.8 months
Authors
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Offers historical benchmark for Delrin-disc Björk-Shiley durability; leaves open need for randomized comparisons with modern prostheses.
Observational (n=83)
Long-term follow-up of the Delrin-disc model of the Björk-Shiley valve prosthesis demonstrates favorable 9-year survival (78.1%) and significant functional improvement, with acceptable rates of thromboembolism and malfunction.
Montero et al. (1984) conducted an observational in Cardiac valve disease requiring replacement (n=83). Delrin-disc model of the Björk-Shiley valve prosthesis was evaluated on Actuarial survival at 5 years. Cardiac valve replacement with the Delrin-disc Björk-Shiley prosthesis yielded an actuarial survival of 84.8% at 5 years and 78.1% at 9 years, with a thromboembolism rate of 8.8%.
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