Key result
Björk-Shiley standard aortic valves are linked to a ~54% major complication rate over a decade.
Population
514 patients undergoing operation [aortic valve replacement] between 1971 and 1981
Design
Cohort
Follow-up
average 5.3 +/- 3.8 years
Authors
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Patients with Björk-Shiley valves require vigilant long-term surveillance; this Level 3 cohort leaves open optimal mechanical prosthesis selection.
Cohort (n=514)
The Björk-Shiley standard aortic valve demonstrates late valve-related complication rates similar to other existing mechanical prostheses, with 54% of patients experiencing a major complication by 10 years.
Borkon et al. (1987) conducted a cohort in Aortic valve replacement (n=514). Björk-Shiley standard aortic valve was evaluated on Composite valve-related morbidity and mortality. By 10 years, 54% of patients with a Björk-Shiley standard aortic valve experienced at least one major valve-related complication, with an overall survival of 55%.
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