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In Vivo Assessment of Elasticity of Child Rib Cortical Bone Using Quantitative Computed Tomography

Article dans une revue avec comité de lecture
Auteur
ZHU, Y.
194495 Université Claude Bernard Lyon 1 [UCBL]
300771 East China Normal University [Shangaï] [ECNU]
BERMOND, François
222110 Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux [IFSTTAR]
222174 Laboratoire de Biomécanique et Mécanique des Chocs [LBMC UMR T9406]
194495 Université Claude Bernard Lyon 1 [UCBL]
PAYEN DE LA GARANDERIE, J.
224302 Service de Radiologie [Hôpital de la Croix-Rousse - HCL]
PIALAT, J.-B.
139725 Physiopathologie, diagnostic et traitements des maladies osseuses / Pathophysiology, Diagnosis & Treatments of Bone Diseases [LYOS]
300094 Hôpital Edouard Herriot [CHU - HCL]
ccSANDOZ, Baptiste
99538 Laboratoire de biomécanique [LBM]
175453 Arts et Métiers ParisTech
222174 Laboratoire de Biomécanique et Mécanique des Chocs [LBMC UMR T9406]
466360 Institut de Biomecanique Humaine Georges Charpak
BRIZARD, D.
194495 Université Claude Bernard Lyon 1 [UCBL]
PRACROS, J.-P.
224302 Service de Radiologie [Hôpital de la Croix-Rousse - HCL]
RONGIERAS, F.
222174 Laboratoire de Biomécanique et Mécanique des Chocs [LBMC UMR T9406]
ccSKALLI, Wafa
466360 Institut de Biomecanique Humaine Georges Charpak
MITTON, David
222174 Laboratoire de Biomécanique et Mécanique des Chocs [LBMC UMR T9406]

URI
http://hdl.handle.net/10985/17842
DOI
10.1155/2017/2471368
Date
2017
Journal
Applied Bionics and Biomechanics

Résumé

Elasticity of the child rib cortical bone is poorly known due to the difficulties in obtaining specimens to perform conventional tests. It was shown on the femoral cortical bone that elasticity is strongly correlated with density for both children and adults through a unique relationship. Thus, it is assumed that the relationships between the elasticity and density of adult rib cortical bones could be expanded to include that of children. This study estimated in vivo the elasticity of the child rib cortical bone using quantitative computed tomography (QCT). Twenty-eight children (from 1 to 18 y.o.) were considered. Calibrated QCT images were prescribed for various thoracic pathologies. The Hounsfield units were converted to bone mineral density (BMD). A relationship between the BMD and the elasticity of the rib cortical bone was applied to estimate the elasticity of children’s ribs in vivo. The estimated elasticity increases with growth (7.1 ± 2.5 GPa at 1 y.o. up to 11.6 ± 1.9 GPa at 18 y.o.). This data is in agreement with the few previous values obtained using direct measurements. This methodology paves the way for in vivo assessment of the elasticity of the child cortical bone based on calibrated QCT images.

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  • Institut de Biomécanique Humaine Georges Charpak (IBHGC)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • In vivo assessment of the mechanical properties of the child cortical bone using quantitative computed tomography 
    Communication sans acte
    ZHU, Yumin; BERMOND, François; PAYEN DE LA GARANDERIE, J.; PIALAT, J.-B.; ccSANDOZ, Baptiste; PRACROS, J.-P.; ccSKALLI, Wafa; MITTON, David (2014)
    The mechanical properties of the rib cortical bone are extremely rare on children due to difficulties to obtain specimens to perform conventional tests. Some recent studies used cadaveric bones or bone tissues collected ...
  • Variability of Child Rib Bone Hounsfield Units using in vivo Computed Tomography 
    Communication avec acte
    SIDELKEIR, Zaki; BADINA, Alina; BERMOND, François; MITTON, David; ccSKALLI, Wafa; ccSANDOZ, Baptiste (2013)
    The variability assessment of the rib bone mechanical properties during the growth process is still missing. These properties could not be obtained in vivo on children. Relationships have been obtained between Hounsfield ...
  • Subject-specific body segment parameters’ estimation using biplanar X-rays: a feasibility study 
    Article dans une revue avec comité de lecture
    ccSANDOZ, Baptiste; ccSKALLI, Wafa; MITTON, David; ccLAPORTE, Sébastien (Taylor & Francis, 2010)
    In order to improve the reliability of children’s models, the aim of this study was to determine the subject-specific masses and 3D locations of the centres of mass (CoM) of body segments using biplanar X-rays. Previous ...
  • Quantitative geometric analysis of rib, costal cartilage and sternum from childhood to teenagehood 
    Article dans une revue avec comité de lecture
    ccSANDOZ, Baptiste; BADINA, Alina; LAMBOT, Karene; MITTON, David; ccSKALLI, Wafa; ccLAPORTE, Sébastien (Springer Verlag, 2013)
    Better understanding of the effects of growth on children’s bones and cartilage is necessary for clinical and biomechanical purposes. The aim of this study is to define the 3D geometry of children’s rib cages: including ...
  • Quantitative morphometric study of thoracic spine A preliminary parameters statistical analysis 
    Article dans une revue avec comité de lecture
    MITTON, David; ISMAEL, B.; DE FOUCHECOUR, M.; LASSEAU, J. P.; LAVASTE, François; ccSKALLI, Wafa; ccLAPORTE, Sébastien (Springer-Verlag, 2000)
    Study Design:A quantitative morphometric study of the thoracic spine from TI to T12 was conducted on 5o dried spines. Objective:To quantify anatomic descriptive parameters concerning thoracic vertebrae, and to investigate ...

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