ArticleJournal of the mechanical behavior of biomedical materials2015
Stretch calculated from grip distance accurately approximates mid-specimen stretch in large elastic arteries in uniaxial tensile tests.
Article in Journal of the mechanical behavior of biomedical materials, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 12 citations in OpenAlex.
- Cardiovascular function and structure are preserved despite induced ablation of BMP1-related proteinases.Cellular and molecular bioengineering · 2018Article
- Modeling the effect of collagen fibril alignment on ligament mechanical behavior.Biomechanics and modeling in mechanobiology · 2018Article
- Pulmonary arterial strain- and remodeling-induced stiffening are differentiated in a chronic model of pulmonary hypertension.Journal of biomechanics · 2017Article
- Re-examination of the mechanical anisotropy of porcine thoracic aorta by uniaxial tensile tests.Biomedical engineering online · 2016Article
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Authors and funding
7 authors at 1 institution in 1 country.
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Abstract
The mechanical properties of vascular tissues affect hemodynamics and can alter disease progression. The uniaxial tensile test is a simple and effective method for determining the stress-strain relationship in arterial tissue ex vivo. To enable calculation of strain, stretch can be measured directly with image tracking of markers on the tissue or indirectly from the distance between the grips used to hold the specimen. While the imaging technique is generally considered more accurate, it also requires more analysis, and the grip distance method is more widely used. The purpose of this study is to compare the stretch of the testing specimen calculated from the grip distance method to that obtained from the imaging method for canine descending aortas and large proximal pulmonary arteries. Our results showed a significant difference in stretch between the two methods; however, this difference was consistently less than 2%. Therefore, the grip distance method is an accurate approximation of the stretch in large elastic arteries in the uniaxial tensile test.
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