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November 1, 1982Journal of Biomedical Materials Research

Stress analysis of porcine bioprosthetic heart valves in vivo

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Population

Calves with aortic porcine bioprosthetic valves

Design

Preclinical

Authors

MTMano J. ThubrikarJSJames R. SkinnerRERichard T. Eppink

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Overview

In vivo stress analysis in calves reveals that large compressive stresses during systole at the leaflet attachment of porcine bioprosthetic valves may explain clinical leaflet detachment and calcification.

Structured PICO

P
Population
Calves with aortic porcine bioprosthetic valves
I
Intervention
Placement of radiopaque markers on the valves and observation under x-ray for stress analysis
O
Outcome
In vivo stress analysis of bioprosthetic leaflets (membrane, bending, and total stresses)surrogate

In vivo stress analysis in calves reveals that large compressive stresses during systole at the leaflet attachment of porcine bioprosthetic valves may explain clinical leaflet detachment and calcification.

Cite This Study

Thubrikar et al. (1982) studied this question.

synapsesocial.com/papers/6a7575210081fe7b05dc2217https://doi.org/10.1002/jbm.820160607
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