Literatura académica sobre el tema "Régénération du disque intervertébral"
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Artículos de revistas sobre el tema "Régénération du disque intervertébral"
Warin, J., N. Vedrenne, N. Lagneau, G. Saint-Pé, C. Chedeville, J. Guicheux, V. Delplace y A. Camus. "Maturation phénotypique de cellules progénitrices du disque intervertébral à partir de cellules souches pluripotentes humaines : du modèle 3D à la régénération du disque". Revue du Rhumatisme 90 (diciembre de 2023): A104. http://dx.doi.org/10.1016/j.rhum.2023.10.159.
Texto completoFeydy, Antoine. "Imagerie du disque intervertébral". Revue du Rhumatisme Monographies 80, n.º 4 (septiembre de 2013): 215–21. http://dx.doi.org/10.1016/j.monrhu.2013.07.008.
Texto completoHenry, Nina, Pauline Colombier, Laurent Lescaudron, Olivier Hamel, Jean Le Bideau, Jérôme Guicheux y Johann Clouet. "Médecine régénératrice du disque intervertébral". médecine/sciences 30, n.º 12 (diciembre de 2014): 1091–100. http://dx.doi.org/10.1051/medsci/20143012012.
Texto completoBoudot, Patrice. "Le disque intervertébral : mode d’emploi". Kinésithérapie, la Revue 6, n.º 54 (junio de 2006): 52–53. http://dx.doi.org/10.1016/s1779-0123(06)70178-4.
Texto completoHoffmann, É., W. Delblond, T. Lenoir, C. Dauzac, D. Breitel y P. Guigui. "Chirurgie du disque intervertébral thoracique". EMC - Techniques chirurgicales - Orthopédie - Traumatologie 6, n.º 2 (enero de 2011): 1–10. http://dx.doi.org/10.1016/s0246-0467(11)57262-9.
Texto completoWybier, Marc. "Imagerie du disque intervertébral lombaire". Revue du Rhumatisme 67, n.º 4 (diciembre de 2000): 232–46. http://dx.doi.org/10.1016/s1169-8330(00)00044-2.
Texto completoWybier, Marc. "Imagerie du disque intervertébral lombaire". Revue du Rhumatisme 67 (diciembre de 2000): 232–46. http://dx.doi.org/10.1016/s1169-8330(00)80109-x.
Texto completoEstrade, Jean-Louis. "Biomécanique du disque intervertébral sous charge". Kinésithérapie, la Revue 10, n.º 107 (noviembre de 2010): 16. http://dx.doi.org/10.1016/s1779-0123(10)74951-2.
Texto completoRannou, François, Serge Poiraudeau, Maïté Corvol y Michel Revel. "Biochimie et biologie du disque intervertébral". Revue du Rhumatisme 67, n.º 4 (diciembre de 2000): 214–18. http://dx.doi.org/10.1016/s1169-8330(00)00042-9.
Texto completoRannou, François, Serge Poiraudeau, Maïté Corvol y Michel Revel. "Contraintes mécaniques et disque intervertébral lombaire". Revue du Rhumatisme 67, n.º 4 (diciembre de 2000): 219–24. http://dx.doi.org/10.1016/s1169-8330(00)00043-0.
Texto completoTesis sobre el tema "Régénération du disque intervertébral"
Frapin, Leslie. "Libération séquentielle de facteurs biologiques pour la régénération endogène du disque intervertébral". Thesis, Nantes, 2019. http://www.theses.fr/2019NANT1019.
Texto completoThe intervertebral disc (IVD) maintains the stability and dynamics of the spine, absorbs shocks and distributes mechanical loads along the spinal column. It has been shown that 40% of chronic low back pain cases are due to discal degeneration, resulting of a profound disruption of tissue homeostasis. Indeed, a degenerated IVD exhibits dysregulation of its anabolic/catabolic balance and an altered dialogue between the extracellular matrix (ECM) and resident cells. To date, most innovative strategies have aimed to restore the IVD physiology by injection in the Nucleus pulposus (NP) of exogenous cells that could synthesize a new healthy ECM. This project consists of using recently identified IVD stem cells as reparative cells to stimulate endogenous regeneration. The objective of this work is thus to develop an injectable sequential release system of biological factors in order to i) recruit discal stem cells toward the degenerated NP, then ii) stimulate the anabolism of these recruited cells and induce the synthesis of a healthy ECM. To do this, the chemokines CCL5 and CXCL12, as well as the growth factors GDF-5 and TGF-β1, combined with polysaccharide microparticles, were studied. This system was evaluated in vitro and then ex vivo in a spontaneously degenerated ovine IVD organ culture model
Gluais, Maude. "Médecine régénératrice du disque intervertébral : mise au point et évaluation de biomatériaux électrospinés pour la régénération de l'Annulus fibrosus". Thesis, Nantes, 2018. http://www.theses.fr/2018NANT1038/document.
Texto completoThe intervertebral disc is a fundamental component of the spine which plays an essential role in the mobility of the spine. It has been shown that 20% of chronic low back pain is related to a disc herniation, defined as the protrusion of the Nucleus pulposus (NP), through the Annulus fibrosus (AF), in the spinal canal that can induce the compression of a nerve root and cause radicular pain. Moreoever, lesions within the AF allow the entry of vessels and nerve endings that make the IVD itself painful, which is called "discogenic" pain. Currently, the surgical procedure used is partial discectomy, which consists in removing the herniated tissue, thus decompressing the nerve root involved in the radicular pain. Although short term efficiency has been proven, long-term clinical outcomes are questionable. Indeed, defects within the AF persist in time due to the limited intrinsic healing capacity of the AF and are associated with a 20% risk of reoccurrence of a disc herniation and lead to a 20% increase in the frequency of occurrence of disc degeneration. In this context, the objective of this thesis was to develop, using the electrospinning technique, a non-cellularized biomaterial whose structure reproduces the fibrous organization of native AF. Subsequently, the ability of this biomaterial to promote spontaneous infiltration of AF cells, their orientation and the deposition of an oriented extracellular matrix was tested in a sheep AF explant culture model. Finally, the stimulation of AF regeneration by this biomaterial was evaluated in an induced annular defect model in the sheep
Halimi, Célia. "Conception et élaboration d’une solution de chitosane injectable : application en ingénierie tissulaire pour la régénération du derme et du disque intervertébral". Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1074.
Texto completoThis work deals with the conception of a class III medical device for applications in tissue engineering of dermis and intervertebral disc.This device consists in an aqueous chitosan solution, sterilized by autoclaving, with pH and osmolality adjusted by a dialysis process. This chitosan solution shows in situ gelation ability with a post-injection increase of mechanical properties. This feature is related to polymer concentration, gelation time, and is performed without external cross-linking agent. In addition, the solution exhibits a good injectability allowing the development of minimally invasive techniques to treat dermis and intervertebral disc diseases. A rheological performance criterion was defined linking injectability to mechanical properties of the implant (dermal filler).Mechanical properties of gel implant formed in contact with body fluids, in situ, have to be similar to that of native tissues. The viscoelastic behavior characterization of intervertebral disc was performed using stress relaxation and was modeled using a generalized solid Maxwell model (composed of three Maxwell elements). The tests were performed on healthy disc, fenestrated discs and after biopolymers injection.Chitosan solutions were injected into (i) porcine and rat cutaneous tissue and (ii) porcine and rabbit intervertebral discs. The biocompatibility and biofunctionality of chitosan solutions and physical hydrogels was evidenced in vivo for all animals
Frayssinet, Antoine. "Hydrogels composites collagène/acide hyaluronique cellularisés et biomimétiques pour la régénération du Nucleus Pulposus". Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS312.
Texto completoHalf of chronic back pain is associated with intervertebral disc (IVD) degeneration. We hypothesized that a biomimetic hydrogel would promote the regeneration of the Nucleus Pulposus, the central part of IVD. Hydrogels will provide cues to incorporated mesenchymal stem cells (MSC) to in situ differentiate into nucleopulpocytes. With different contents of functionalized hyaluronan (HA-Tyr), Collagen/HA-Tyr hydrogels were produced and characterized using scanning and transmission electron microscopy, rheology, DSC, accelerated in vitro enzymatic degradation and tested for their ability to absorb water. MSC were then incorporated within Col/HA-Tyr composites and cultured over 28 days. Cell viability was assessed and cell differentiation was analysed by quantitative PCR and indirect immunohistochemistry. The presence of several nucleopulpocytes differentiation markers, such as type II Collagen, Aggrecan and KRT 18 was monitored. The manufacturing process allowed the generation of highly hydrated hydrogels (> 90%), mechanically biomimetic, resistant against enzymatic degradation, in which collagen fibrillogenesis was preserved. Without any differentiation factor, both elasticity and structure of the Col/HA-Tyr composite hydrogels seems to be sufficient to induce the differentiation of the incorporated MSCs into nucleopulpocytes. In addition, the presence of collagen was necessary for an adequate cell adhesion. Developed according to a biomimetic approach, this platform of Col-HA-Tyr hydrogels appears promising for the intervertebral disc repair
Etienne, Marjorie. "Modélisation du disque intervertébral". Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4732/document.
Texto completoDisc degeneration is generally regarded as the result of chronic insufficiency of cell nutrition due to a lack of renewal of the extracellular matrix. Excessive and repeated mechanical loads are among the leading causes of injury in the disc and eventually precipitate disc degeneration. By modeling the multi-physics functioning of the disc by a quadriphasic model coupled with a metabolic model, the aim of this work is to contribute to a better understanding of the disc functions. With a numerical approach, the relationship between mechanical stress, nutrition and degeneration is studied. The disc was first represented in 2D. The effect of a simplified circadian cycle on the osmotico-mechanical and nutritional parameters of lumbar disc of a normal weight and overweight (or carrying loads) subjects was then analyzed. After that, through a 3D approach, the influence of the disc function towards rapid movements such as bending, lateral bending and axial rotation was quantified. In addition to these two approaches, a comparative study was conducted to investigate the real influence of convection compared to diffusion in the transport of nutrients. This work contributed to a better understanding of the spatial and temporal evolution of nutrients and osmotico-mechanical parameters of the intervertebral disc when it is subjected to different loadings
Promsy, Eric. "Calcification du disque intervertébral chez l'enfant". Montpellier 1, 1988. http://www.theses.fr/1988MON11212.
Texto completoChetoui, Mohamed-Amine. "Modélisation du comportement biomécanique du disque intervertébral". Thesis, Ecole centrale de Marseille, 2017. http://www.theses.fr/2017ECDM0008/document.
Texto completoIntervertebral disc degeneration (DD) is a natural process affecting a large part of the population. However, it can be accelerated by several factors and then become associated to lumbar disc pathologies. Given that the DD is symptomless, it is complicated to diagnostic it early. In this context, the present work aims to develop a new methodology of DD diagnostic based on medical imaging and biomechanical modeling.The intervertebral discs (IVD) are fibro-cartilaginous joints that connect vertebrae together ensuring their relative motion. They support and distribute loads applied on the spine. Mechanically, the IVD can be assimilated to a biological porous media in which the solid phase is composed of the extracellular matrix (MEC) and the fluid phase is formed by water content. It is a non-homogeneous and anisotropic component. The IVD is nonvascularized and characterized by a high water content in which cell nutrients diffuses from the adjacent vertebrae. Given this latter particularity, the porosity of the IVD presents a key factor in in its functioning especially when exposed to mechanical non-physiological loads. One of the main keys in the elaboration of a reliable DD diagnostic is to determine objectively some of the IVD interne properties related to its water content. In the present work, a new quantitative methodology of DD diagnostic is proposed. This method is based on a coupling between the medical imaging and the IVD biomechanical behavior modeling. A biphasic IVD model is developed using data from MRI imaging. This model takes into account the anisotropy of the IVD and the effect of the mechanical deformation on the nutrient transport process.The mechanical part of the developed model was firstly validated using results of relaxation tests previously performed by the biomechanics staff of IRPHE. The model is able to predict water distribution within the IVD and the water loss as response to a mechanical load. These results confirm the reliability of the developed diagnostic methodology for the studied cases. The biomechanical response to quasi-static and cyclic loads is then analyzed. The present work proposes and evaluates a new methodology of DD quantitative diagnostic. It also analyzes and compares mechanical and metabolic responses to quasi-static and cyclic loads
Deneuville, Jean-Philippe. "Caractérisation du comportement mécanique du disque intervertébral intact et fissuré". Thesis, Poitiers, 2021. http://www.theses.fr/2021POIT2303.
Texto completoSpinal disorders are the leading cause of disability worldwide. Their burden onto healthcare and social system is enormous in the western countries and it is probably neglect in developing nations. Although define as a non-specific affection, it is sometimes possible to identify patho-anatomical sources leading to the patient pain. Among them, we can find the radial fissure of the annulus fibrosus. This structural lesion triggers a cascade of biological and mechanical events which could lead to the defervescence of the disc. In this thesis, we look closer to the bigger strain /displacement of the nucleus pulposus making possible by the breach of the annulus. McKenzie hypothesize a mobile nucleus into the fissure. These strains / displacements depend on the force imposed onto the spinal functional unit by the physiological movement of the spine. Thus, a flexion strains / displaces the nucleus backward, an extension frontward and so on. To test the relevance of this hypothesis, we used a fourfold approach, including:- A systematic review of the literature with a meta-analysis.- An ex vivo approach, combining quantitative MRI and photomechanical analysis.- An in vivo approach of quantified movement analysis.- An in silico approach of finite elements modelization.Our result, despite being provisory, seems to confirm this hypothesis. But, we are far from a firm and definitive validation. Other researches are needed to finalize these goals
Robin, Johann. "Elaboration d'un matériau bioactif pour la réalisation d'une prothèse de disque intervertébral". Bordeaux 1, 2005. http://www.theses.fr/2005BOR13037.
Texto completoHamel, Olivier. "Disque intervertébral lombal : contributions à la compréhension des phénomènes de dégénérescence discale". Nantes, 2012. http://www.theses.fr/2012NANT39VS.
Texto completoInterVertebral Disc (lVD) degeneration probably represents the first cause of low back pain for which tissue engineering seems to be a clinically promising approach. Implementation of this technology implies the availability of new tools for assessing IVD degeneration and a suitable animal model IVD is a fibrocartilaginous tissue consists of a complex extra-cellular matrix playing a critical role as "shock absorber". Two new tools seem interesting in order to characterize IVD degeneration. First the study of visco-elastic properties, second the use of FTIR spectroscopy which provides a representation of the biochemical composition. These tools have been studied in rabbit IVDof different ages and in human IVD from cadavers. The study of visco-elastic properties is made difficult by their variability. Infrared spectroscopy reveals some chemical groups characterizing incipient IVD degeneration. A new animal model has also been developed in NZW rabbits, based on a laser treatment of IVD. This process allows to induce a progressive IVD degeneration, similar to spontaneous one. Use of rabbit and cadavers IVD has shown the interest of those techniques despite difficulties with size and disponibility. These points will lead us to use a more adapted animal like sheep
Libros sobre el tema "Régénération du disque intervertébral"
Karin, Büttner-Janz, Hochschuler Stephen y McAfee Paul C, eds. The artificial disc. Berlin: Springer, 2003.
Buscar texto completoAtlas of spinal surgery. Philadelphia: Lea & Febiger, 1989.
Buscar texto completoSpinal Arthroplasty with DVD: The Preservation of Motion. Saunders, 2007.
Buscar texto completoCapítulos de libros sobre el tema "Régénération du disque intervertébral"
Doursounian, L. "Chirurgie du disque intervertébral". En Le mal de dos, 205–15. Elsevier, 2009. http://dx.doi.org/10.1016/b978-2-294-70246-4.00030-4.
Texto completoBarral, Jean-Pierre, Alain Croibier y Xavier Delannoy. "Anatomie du disque intervertébral". En Manipulation des Disques Intervertébraux, 1–46. Elsevier, 2018. http://dx.doi.org/10.1016/b978-2-294-75063-2.00001-5.
Texto completoSWIDER, Pascal. "Biomécanique du disque intervertébral". En Mécanique des tissus vivants, 183–205. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9160.ch6.
Texto completoBarral, Jean-Pierre, Alain Croibier y Xavier Delannoy. "Biomécanique du disque intervertébral sain". En Manipulation des Disques Intervertébraux, 47–67. Elsevier, 2018. http://dx.doi.org/10.1016/b978-2-294-75063-2.00002-7.
Texto completo"Bombement du disque intervertébral du rachis cervical". En Pathologies Musculosquelettiques Douloureuses, 43–44. Elsevier, 2012. http://dx.doi.org/10.1016/b978-2-294-71429-0.00015-7.
Texto completo"Bombement du disque intervertébral du rachis lombaire". En Pathologies Musculosquelettiques Douloureuses, 119–20. Elsevier, 2012. http://dx.doi.org/10.1016/b978-2-294-71429-0.00047-9.
Texto completo"Fissure de l'annulus du disque intervertébral lombaire". En Pathologies Musculosquelettiques Douloureuses, 123–24. Elsevier, 2012. http://dx.doi.org/10.1016/b978-2-294-71429-0.00049-2.
Texto completo"Maladie dégénérative du disque intervertébral du rachis cervical". En Pathologies Musculosquelettiques Douloureuses, 41–42. Elsevier, 2012. http://dx.doi.org/10.1016/b978-2-294-71429-0.00014-5.
Texto completo"Maladie dégénérative du disque intervertébral du rachis lombaire". En Pathologies Musculosquelettiques Douloureuses, 121–22. Elsevier, 2012. http://dx.doi.org/10.1016/b978-2-294-71429-0.00048-0.
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