Key result
Right-sided St. Jude Medical valves linked to ~6-fold more valve-related events than bioprosthetic valves.
Why the study?
Does the St. Jude Medical valve compared to bioprosthetic valves improve outcomes in patients undergoing right-sided heart valve replacement?
Population
54 patients who underwent prosthetic valve replacement in the right side of the heart from 1975 to 1988
Comparison
St. Jude Medical (SJM) valve (n=18) vs Bioprosthetic valve (n=37)
Design
Cohort
Follow-up
SJM: range 3.9 to 7.2 years; Bioprostheses: range 1.3 to…
Authors
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May support bioprosthetic preference for right-sided positions; leaves open confirmation in contemporary randomized data.
Cohort (n=54)
Does the St. Jude Medical valve compared to bioprosthetic valves improve outcomes in patients undergoing right-sided heart valve replacement?
Absolute Event Rate: 6.6% vs 1.1%
p-value: p=<0.03
Bioprosthetic valves demonstrated superior long-term durability and lower complication rates compared to St. Jude Medical mechanical valves for right-sided heart valve replacement.
Kawachi et al. (1991) conducted a cohort in Prosthetic valve replacement in the right side of the heart (n=54). St. Jude Medical (SJM) valve vs. Bioprosthetic valve was evaluated on Overall valve-related events (p=<0.03). St. Jude Medical valves in the right side of the heart were associated with higher rates of overall valve-related events compared to bioprosthetic valves (6.6 vs 1.1 %/valve-year; p<0.03).
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