Consequences of reduced brain volume following impact in prediction of subdural hematoma evaluated with numerical techniques

Kleiven, Svein<sup>1</sup>; Von Holst, Hans<sup>1,2</sup>

Affiliations

¹Department of Aeronautics, Royal Institute of Technology, Stockholm, Sweden

²Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden

Abstract and keywords

Detailed and parameterized models of the adult human head were created using the finite element method. Different sizes of the brain and the subdural space were generated, and the models were impacted toward padded surfaces in the frontal, temporal, and occipital direction. The present results show for the first time that, by reducing the brain size and thereby increasing the volume in the subdural space in the finite element model, a significant increase in relative motion was found between the skull and brain which correlated with the reduction of brain size.

Keywords: Atrophy; Brain; Finite Element Method; Head Impact Power; Head Injury Criterion; Subdural Hematoma

Links

DOI: 10.1080/15389580214633

History

Received: 2001-12-31

Accepted: 2002-05-25

Online: 2010-09-15

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Cited By (9)

Year	Entry
2011	Mallory A, Herriott R, Rhule H. Subdural hematoma and aging: crash characteristics and associated injuries. In: Proceedings of the 22nd International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 13-16, 2011; Washington, DC.
2005	Kleiven S. Influence of direction and duration of impacts to the human head evaluated using the finite element method. In: Proceedings of the 2005 International IRCOBI Conference on the Biomechanics of Impact. September 21-23, 2005; Prague, Czech Republic.41-57.
2013	Yanaoka T, Dokko Y. A parametric study of age-related factors affecting intracranial responses under impact loading using a human head/brain FE model. In: Proceedings of the 2013 International IRCOBI Conference on the Biomechanics of Injury. September 11-13, 2013; Gothenburg, Sweden.444-455.
2015	Tabacu S. Numerical model (switchable/dual model) of the human head for rigid body and finite elements. Comput Methods Biomech Biomed Eng. 2015;18(7):769-781.
2013	Patton DA, McIntosh AS, Kleiven S. The biomechanical determinants of concussion: finite element simulations to investigate brain tissue deformations during sporting impacts to the unprotected head. J Appl Biomech. December 2013;29(6):721-730.
2007	Zou H, Schmiedeler JP, Hardy WN. Separating brain motion into rigid body displacement and deformation under low-severity impacts. J Biomech. 2007;40(6):1183-1191.
2003	Kleiven S. Influence of impact direction on the human head in prediction of subdural hematoma. J Neurotrauma. April 2003;20(4):365-379.
2012	Patton DA, McIntosh AS, Kleiven S, Fréchède B. Injury data from unhelmeted football head impacts evaluated against critical strain tolerance curves. Proc Inst Mech Eng Part P-J Sports Eng Tech. September–December 2012;226(3-4):177-184.
2014	Patton DA. The Biomechanical Determinants of Sports-Related Concussion: Finite Element Simulations of Unhelmeted Head Impacts to Evaluate Kinematic and Tissue-Level Predictors of Injury and Investigate the Design Implications for Soft-Shell Headgear [PhD thesis]. University of New South Wales; March 2014.