Key result
Scanning electron microscopy of four implanted Silastic aortic valve poppets showed dense coating with biological debris, but the underlying Silastic surface was little altered even after 10 years.
Population
4 implanted Silastic aortic valve poppets from patients
Comparison
Scanning electron microscopy vs Unimplanted poppets
Design
Case_series
Follow-up
up to 10 years
Authors
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Supports Silastic durability in long-term implants; leaves open clinical impact of debris coating.
Case Report (n=4)
Long-term implantation of Silastic aortic valve poppets results in a dense coating of biological debris and microthrombi, but the underlying silicone rubber surface remains largely unaltered.
Allwork et al. (1976) conducted a case report in Implanted Silastic aortic valve poppets (n=4). Silastic aortic valve poppets vs. Unimplanted poppets was evaluated on Surface ultrastructure. Scanning electron microscopy of four implanted Silastic aortic valve poppets showed dense coating with biological debris, but the underlying Silastic surface was little altered even after 10 years.
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