Traumatic rupture of the aorta (TRA) remains the second most common cause of death associated with motor vehicle crashes, only less prevalent than brain injury. On average, nearly 8000 people die annually in the United States due to blunt injury to the aorta. It is observed that over 80% of occupants who suffer an aortic injury die at the scene due to exsanguination into the chest cavity. In the current study, eight near side lateral impacts, in which TRA occurred, were reconstructed using a combination of real world crash data reported in the Crash Injury Research and Engineering Network (CIREN) database, finite element (FE) models of vehicles, and the Wayne State Human Body Model - II (WSHBM). For the eight CIREN cases reconstructed, the high strain regions in the aorta closely matched with the autopsy data provided. The peak average maximum principal strains in all of the eight CIREN cases were localized in the isthmus region of the aorta, distal to the left subclavian artery, and averaged at 22 ± 6.2% while the average maximum pressure in the aorta was found to be 117 ± 14.7 kPa.
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January 2012
Research Papers
Finite Element Aortic Injury Reconstruction of Near Side Lateral Impacts Using Real World Crash Data
Joyce A. Smith,
e-mail: [email protected]
Joyce A. Smith
New Jersey Medical School: UMDNJ, Newark, New Jersey 07101;School of Nursing, University of Rochester Medical Center,Rochester, NY 14627
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Albert I. King
Albert I. King
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Aditya Belwadi
John H. Siegel
Aadarsh Singh
Joyce A. Smith
New Jersey Medical School: UMDNJ, Newark, New Jersey 07101;School of Nursing, University of Rochester Medical Center,Rochester, NY 14627
e-mail: [email protected]
King H. Yang
Albert I. King
J Biomech Eng. Jan 2012, 134(1): 011006 (10 pages)
Published Online: February 9, 2012
Article history
Received:
March 5, 2011
Revised:
December 18, 2011
Posted:
January 24, 2012
Published:
February 8, 2012
Online:
February 9, 2012
Citation
Belwadi, A., Siegel, J. H., Singh, A., Smith, J. A., Yang, K. H., and King, A. I. (February 9, 2012). "Finite Element Aortic Injury Reconstruction of Near Side Lateral Impacts Using Real World Crash Data." ASME. J Biomech Eng. January 2012; 134(1): 011006. https://doi.org/10.1115/1.4005684
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