Aortic aneurysms larger than a critical value, ∼50 mm for example, have high risk of rupture due to the Laplace’s law. However, aneurysms smaller than the critical diameter sometimes rupture (1, 2). Since intramural stress is relatively low in smaller aneurysms, their rupture indicates weakening of aneurysmal wall. For more reliable prediction of risk of aneurysm rupture, therefore, local strength of aneurysmal wall should be obtained.
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Tensile Strength of the Aorta can be Estimated From Mechanical Parameters Which Depends on Degree of Intramural Collagen Fiber Alignment
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Sugita, S, & Matsumoto, T. "Tensile Strength of the Aorta can be Estimated From Mechanical Parameters Which Depends on Degree of Intramural Collagen Fiber Alignment." Proceedings of the ASME 2013 Summer Bioengineering Conference. Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments. Sunriver, Oregon, USA. June 26–29, 2013. V01AT13A007. ASME. https://doi.org/10.1115/SBC2013-14247
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