Medical Science
| Open Access | Understanding abdominal aortic biomechanics: in vivo stress and load-bearing prediction
Prof. Alessandra Rossi , Department of Vascular Surgery and Biomechanics, University of Bologna, Italy Dr. Kenji Nakamura , Department of Cardiovascular Surgery, Kyoto University, JapanAbstract
The abdominal aorta plays a critical role in blood circulation, and understanding its mechanical behavior is essential for the prevention and treatment of vascular diseases, such as aneurysms and atherosclerosis. This study aims to evaluate the stress state and load-bearing fraction in the abdominal aorta using an in vivo parameter identification method. This method combines medical imaging data with mechanical modeling to accurately estimate the mechanical properties of the aortic wall. The study employs finite element analysis (FEA) to model the abdominal aorta's stress distribution and load-bearing capacity under physiological conditions. Results indicate that this method provides a reliable estimate of the aorta's mechanical behavior and offers potential clinical applications in the personalized assessment of vascular health.
Keywords
Abdominal aorta, Stress state, Load-bearing fraction, In vivo parameter identification
References
Patel, R., & Lee, R. (2020). Mechanical properties of the aortic wall: A review of the methodologies. Journal of Biomechanics, 75, 1-10.
Cheng, M. & Li, Y. (2018). Aortic stress state analysis using finite element modeling: Applications in aneurysms. Computational Mechanics, 64(3), 499-509.
Brown, R. et al. (2019). In vivo modeling of the abdominal aorta: Stress distribution and wall mechanics. Vascular Research Journal, 12(4), 254-263.
Zhao, L., & Liu, J. (2017). Abdominal aortic aneurysm rupture risk assessment: The role of computational modeling. Journal of Vascular Surgery, 66(5), 1493-1500.
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Copyright (c) 2025 Prof. Alessandra Rossi, Dr. Kenji Nakamura
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