Multi-Directional Dynamic Model for Traumatic Brain Injury Detection.
brain injury
concussion
injury criterion
injury prediction
Journal
Journal of neurotrauma
ISSN: 1557-9042
Titre abrégé: J Neurotrauma
Pays: United States
ID NLM: 8811626
Informations de publication
Date de publication:
01 04 2020
01 04 2020
Historique:
pubmed:
21
12
2019
medline:
20
8
2021
entrez:
21
12
2019
Statut:
ppublish
Résumé
Given the worldwide adverse impact of traumatic brain injury (TBI) on the human population, its diagnosis and prediction are of utmost importance. Historically, many studies have focused on associating head kinematics to brain injury risk. Recently, there has been a push toward using computationally expensive finite element (FE) models of the brain to create tissue deformation metrics of brain injury. Here, we develop a new brain injury metric, the brain angle metric (BAM), based on the dynamics of a 3 degree-of-freedom lumped parameter brain model. The brain model is built based on the measured natural frequencies of an FE brain model simulated with live human impact data. We show that it can be used to rapidly estimate peak brain strains experienced during head rotational accelerations that cause mild TBI. In our data set, the simplified model correlates with peak principal FE strain (
Identifiants
pubmed: 31856650
doi: 10.1089/neu.2018.6340
pmc: PMC7175617
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
982-993Subventions
Organisme : NCATS NIH HHS
ID : UL1 TR003142
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR001085
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR000093
Pays : United States
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