Key result
The inner and outer halves of the pig aortic media demonstrated similar material properties and a uniform radial distribution of matrix protein and vascular smooth muscle cells.
Population
Pig aortic media (porcine thoracic aorta)
Comparison
In vitro elasticity and residual strain… vs Inner vs outer half of the pig aortic media
Design
Preclinical
Authors
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Supports single-layer aortic media models in porcine studies; leaves open human translation and clinical modeling use.
The porcine thoracic aortic media exhibits uniform elastic properties and composition across its thickness, supporting the use of single-layer models for strain distribution.
Stergiopulos et al. (2001) studied this question. Inner half of pig aortic media vs. Outer half of pig aortic media was evaluated on Elasticity, residual strain, and histomorphometric assessment. The inner and outer halves of the pig aortic media demonstrated similar material properties and a uniform radial distribution of matrix protein and vascular smooth muscle cells.
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