Key result
Ionescu-Shiley standard bovine pericardial valves required reoperation primarily due to endocarditis (10 of 23 valves) and structural deterioration (8 of 23 valves) after a mean of 26 months.
Population
21 adults who had 23 Ionescu-Shiley standard bovine pericardial bioprostheses removed at surgery.
Design
Case_series
Follow-up
up to 84 months (mean 26 months)
Authors
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Alerts clinicians to monitor for early failure in legacy pericardial valves; leaves open durability questions for contemporary bioprostheses.
Observational (n=21)
Structural disruption due to calcific tissue degeneration and design-related cuspal tears are the predominant modes of degenerative failure in Ionescu-Shiley standard bovine pericardial valves.
Schoen et al. (1987) conducted an observational in Surgically removed Ionescu-Shiley standard bovine pericardial heart valve bioprostheses (n=21). Ionescu-Shiley standard bovine pericardial heart valve bioprostheses was evaluated on Causes of failure and pathologic findings. Ionescu-Shiley standard bovine pericardial valves required reoperation primarily due to endocarditis (10 of 23 valves) and structural deterioration (8 of 23 valves) after a mean of 26 months.
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