Academic literature on the topic 'Multi-Organes'
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Journal articles on the topic "Multi-Organes"
Perez, Stéphanie. "Prélèvement multi-organes, le vécu des soignants." Interbloc 39, no. 3 (July 2020): 133–36. http://dx.doi.org/10.1016/j.bloc.2020.07.016.
Full textLormeau, Barbara, Florence Vachiery-Lahaye, Chris Serrand, Caroline Rey-Salmon, Stéphane Blanot, Eric Baccino, and Pierre-Antoine Peyron. "Prélèvement d’organes et traumatisme crânien non accidentel du nourrisson : état des lieux des pratiques en France." Médecine Intensive Réanimation 30, no. 4 (November 30, 2021): 319–30. http://dx.doi.org/10.37051/mir-00070.
Full textBlet, A., and J. C. Orban. "Le syndrome post-arrêt cardiaque, une pathologie multi-organes…" Annales Françaises d'Anesthésie et de Réanimation 32, no. 11 (November 2013): 734–35. http://dx.doi.org/10.1016/j.annfar.2013.09.011.
Full textDamotte, Sophie, Christian Guillaume, Vanessa Labeye, Alexandre Faure, Sophie Debord, Olivier Bastien, Chantal Dubois, and Thomas Rimmelé. "Causes d’arrêt des procédures de prélèvements multi-organes (PMO)." Anesthésie & Réanimation 1 (September 2015): A58. http://dx.doi.org/10.1016/j.anrea.2015.07.089.
Full textColavolpe, Jean-Christian, Christophe Cappelli, and Valérie Moll. "Prélèvement multi-organes sur donneur en état de mort encéphalique." Oxymag 26, no. 129 (March 2013): 10–13. http://dx.doi.org/10.1016/j.oxy.2013.01.006.
Full textOudotte, Adrien, Christian Guillaume, Vanessa Labeye, Chantal Dubois, Karine Pavaday, Baptiste Hengy, Bernard Floccard, Olivier Bastien, and Thomas Rimmelé. "Contamination à Candida du liquide de conservation lors de prélèvements multi-organes." Anesthésie & Réanimation 1 (September 2015): A105. http://dx.doi.org/10.1016/j.anrea.2015.07.163.
Full textAmaefule, R. A., D. N. Onunkwo, O. C. Ilouno, T. C. Iwuji, I. P. Ogbuewu, and I. F. Etuk. "Live and internal organ weights of male growing pigs fed low protein and low energy diets supplemented with multi-enzyme." Nigerian Journal of Animal Production 47, no. 6 (February 28, 2021): 99–107. http://dx.doi.org/10.51791/njap.v47i6.2911.
Full textBranchereau, J., I. Souillac, J. E. Terrier, T. Murez, T. Ripert, P. Colin, G. Fiard, et al. "L’activité de prélèvement multi-organes vue par les jeunes urologues : une enquête de l’AFUF." Progrès en Urologie 22, no. 13 (November 2012): 772–73. http://dx.doi.org/10.1016/j.purol.2012.08.075.
Full textPeigue-Lafeuille, H. "La sécurité virale dans les prélèvements multi-organes : le point de vue du virologiste." Transfusion Clinique et Biologique 10, no. 2 (April 2003): 81–85. http://dx.doi.org/10.1016/s1246-7820(03)00030-2.
Full textDube, L., E. Berthier, C. Ridereau-Zins, E. Rineau, J. P. Jacob, C. Aube, and S. Lasocki. "Intérêt du scanner corps entier sur la qualification des organes avant prélèvement multi-organe." Annales Françaises d'Anesthésie et de Réanimation 33 (September 2014): A274—A275. http://dx.doi.org/10.1016/j.annfar.2014.07.463.
Full textDissertations / Theses on the topic "Multi-Organes"
Batellier, Jean. "Le prelevement multi-organes." Université Louis Pasteur (Strasbourg) (1971-2008), 1986. http://www.theses.fr/1986STR1M171.
Full textBertrand, Sarah. "Analyse d'images pour l'identification multi-organes d'espèces végétales." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE2127/document.
Full textThis thesis is part of the ANR ReVeRIES, which aims to use mobile technologies to help people better understand their environment and in particular the plants that surround them. More precisely, the ReVeRIES project is based on a mobile application called Folia developed as part of the ANR ReVeS project and capable of recognising tree and shrub species based on photos of their leaves. This prototype differs from other tools in that it is able to simulate the behaviour of the botanist. In the context of the ReVeRIES project, we propose to go much further by developing new aspects: multimodal species recognition, learning through play and citizen science. The purpose of this thesis is to focus on the first of these three aspects, namelythe analysis of images of plant organs for identification.More precisely, we consider the main trees and shrubs, endemic or exotic, found in metropolitan France. The objective of this thesis is to extend the recognition algorithm by taking into account other organs in addition to the leaf. This multi-modality is indeed essential if we want the user to learn and practice the different methods of recognition for which botanists use the variety of organs (i.e. leaves, flowers, fruits and bark). The method used by Folia for leaf recognition being dedicated, because simulating the work of a botanist on the leaf, cannot be applied directly to other organs. Thus, new challenges are emerging, both in terms of image processing and data fusion.The first part of the thesis was devoted to the implementation of image processing methods for the identification of plant species. The identification of tree species from bark images was the first to be studied. The descriptors developed take into account the structure of the bark inspired from the criteria used by botanists. Fruits and flowers required a segmentation step before their description. A new segmentation method that can be used on smartphones has been developed to work in spite of the high variability of flowers and fruits. Finally, descriptors were extracted on fruits and flowers after the segmentation step. We decided not to separate flowers and fruits because we showed that a user new to botany does not always know the difference between these two organs on so-called "ornamental" trees (not fruit trees). For fruits and flowers, prediction is not only made on their species but also on their genus and family, botanical groups reflecting a similarity between these organs.The second part of the thesis deals with the combination of descriptors of the different organs: leaves, bark, fruits and flowers. In addition to basic combination methods, we propose to consider the confusion between species, as well as predictions of affiliations in botanical taxa higher than the species.Finally, an opening chapter is devoted to the processing of these images by convolutional neural networks. Indeed, Deep Learning is increasingly used in image processing, particularly for plant organs. In this context, we propose to visualize the learned convolution filters extracting information, in order to make the link between the information extracted by these networks and botanical elements
Arnaud, Christine. "Expérience caennaise des prélévements multi-organes et étude analytique, statistique des critères de prélevabilité." Caen, 1990. http://www.theses.fr/1990CAEN3070.
Full textAujard, Anne. "Incidence du prélèvement multi-organes sur la survie des receveurs et sur la survie du greffon." Bordeaux 2, 1989. http://www.theses.fr/1989BOR23050.
Full textVoiglio, Eric Joseph. "Conservation aérobie des organes : développement d'un modèle de bloc multi-viscéral pour l'étude d'une émulsion de fluorocarbure." Lyon 1, 2000. http://www.theses.fr/2000LYO1T124.
Full textBarbier, Emeline. "Étude des mécanismes physiopathologiques impliqués dans la toxicité des particules ultrafines chez un modèle murin : une approche multi-organes." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILS063.
Full textAlthough there has been a significant reduction in air pollution since the 1990s, it remains a major public health problem, responsible for over 4.2 million premature deaths worldwide every year. At present, experts' attention is focused on ultrafine particles (PM0.1 or UFP) because of their ability to translocate into the systemic circulation and reach peripheral organs, where they are likely to have a harmful impact. Nevertheless, the knowledge of the cellular and molecular mechanisms involved in the toxicity of these particles is still very patchy, and most often remains focused on their main target, the lung. Thus, the main objectives of this thesis project were to provide innovative insights into the toxicokinetics (i.e., distribution/persistence) and toxicodynamics (i.e., pathophysiological mechanisms, associated cell signaling pathways) of UFP collected in urban environments, on the one hand, and the organospecific effects of UFP and the use of circulating miRNA as indicators of chronic and/or cumulative exposure to UFP in a mouse model, on the other hand. To answer these questions, Balb/cJRj mice were exposed for 3 months to various doses of UFP collected in the urban area of Lille, then analyzed in various target organs richly vascularized, and therefore directly exposed to UFP during their translocation and systemic distribution phase. The results showed that, in all target organs, the intrinsic oxidative potential of UFP undeniably induced the production of oxidative oxygen species and the activation of antioxidant defenses in sufficient quantities to restore a state of redox homeostasis, but were unable to prevent the onset of an inflammatory response in the lungs, heart and brain. Transcriptomic approaches carried out in the lungs, the target organ with the most marked deleterious effects, have suggested the deregulation of numerous signaling pathways in relation to oxidative and inflammatory responses, which constitute the central mechanisms of UFP toxicity, but also with more original toxicity mechanisms such as mitochondrial dysfunction, epithelial-mesenchymal transition and tissue remodeling, whose modulation has also been validated from a functional point of view. These promising data could ultimately contribute to better decision-making on the reduction of UFP emissions, as well as to the updating of current regulatory standards
Samarakoon, Prasad. "Random Regression Forests for Fully Automatic Multi-Organ Localization in CT Images." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAM039/document.
Full textLocating an organ in a medical image by bounding that particular organ with respect to an entity such as a bounding box or sphere is termed organ localization. Multi-organ localization takes place when multiple organs are localized simultaneously. Organ localization is one of the most crucial steps that is involved in all the phases of patient treatment starting from the diagnosis phase to the final follow-up phase. The use of the supervised machine learning technique called random forests has shown very encouraging results in many sub-disciplines of medical image analysis. Similarly, Random Regression Forests (RRF), a specialization of random forests for regression, have produced the state of the art results for fully automatic multi-organ localization.Although, RRF have produced state of the art results in multi-organ segmentation, the relative novelty of the method in this field still raises numerous questions about how to optimize its parameters for consistent and efficient usage. The first objective of this thesis is to acquire a thorough knowledge of the inner workings of RRF. After achieving the above mentioned goal, we proposed a consistent and automatic parametrization of RRF. Then, we empirically proved the spatial indenpendency hypothesis used by RRF. Finally, we proposed a novel RRF specialization called Light Random Regression Forests for multi-organ localization
Guinin, Maxime. "Segmentation 3D des organes à risque du tronc masculin à partir d'images anatomiques TDM et IRM à l'aide de méthodes hybrides." Thesis, Normandie, 2017. http://www.theses.fr/2017NORMR019/document.
Full textProstate cancer is a leading cause of death worldwide. External radiotherapy is one of the techniques used to this disease. In order to achieve this, the segmentation of the prostate and its associated organs at risk (OAR) (rectum, bladder and femoral heads) is a major step in the application of the treatment. The objective of this thesis is to provide tools to segment prostate and OAR automatically or semi-automatically. Several approaches have been proposed in recent years to address these issues. As OAR have a relatively good contrast in the image, we have focused on a semi-automatic approach to segment them, consisting of an over-segmentation of the image into small homogeneous regions called superpixels. Then, the user labels some superpixels in the OAR as germs. Finally, the OAR segmentation is performed by a graph diffusion (from germs) constructed by superpixels. Regarding the prostate segmentation, a sub-volume of the image called VOI (Volume Of Interest), in which the prostate is located, is first defined. The prostate segmentation is performed within this VOI. A dictionary composed of the texture characteristics extracted on each patch of the VOI is first constructed. Then, the selection of characteristics of the dictionary under parsimonious constraints allows to find the most informative ones. Finally, based on these selected characteristics, patch label propagation under parsimonious constraint is applied to segment the prostate at two scales, superpixels and pixels. Our method was evaluated with promising results on TDM images of the Henri Becquerel Center and IRM of the 2013 ISBI challenge
Madiedo-Podvršan, Sabrina. "Development of a lung-liver in vitro coculture model for the risk assessment of inhaled xenobiotics." Electronic Thesis or Diss., Compiègne, 2022. http://www.theses.fr/2022COMP2703.
Full textUrbanization and globalization are prevailing social phenomena that multiply and complexify the sources of modern pollution. Amongst others, air pollution has been recognized as an omnipresent life-threatening hazard, comprising a wide range of toxic airborne xenobiotics that expose man to acute and chronic threats. The defense mechanisms involved in hazardous exposure responses are complex and comprise local and systemic biological pathways. Due to this complexity, animal models are considered prime study models. However, in light of animal experimentation reduction (3Rs), we developed and investigated an alternative in vitro method to study systemic-like responses to inhalationlike exposures. In this context, a coculture platform was established to emulate interorgan crosstalks between the pulmonary barrier, which constitutes the route of entry of inhaled compounds, and the liver, which plays a major role in xenobiotic metabolism. Both compartments respectively comprised a Calu-3 insert and a HepG2/C3A biochip which were jointly cultured in a dynamically-stimulated environment for 72 hours. The present model was characterized using acetaminophen (APAP), a well-documented hepatotoxicant, to visibly assess the passage and circulation of a xenobiotic through the device. Two kinds of models were developed: (1) the developmental model allowed for the technical setup of the coculture, and (2) the physiological-like model better approximates a vivo environment. Based on viability, and functionality parameters the developmental model showed that the Calu-3 bronchial barrier and the HepG2/C3A biochip can successfully be maintained viable and function in a dynamic coculture setting for 3 days. In a stress-induced environment, present results reported that the coculture model emulated active and functional in vitro crosstalk that seemingly was responsive to high (1.5 and 3 mM) and low (12 and 24 μM) xenobiotic exposure doses. Lung/liver crosstalk induced modulation of stress response dynamics, delaying cytotoxicity, proving that APAP fate, biological behaviors and cellular stress responses were modulated in a broader systemic-like environment
Menini, Anne. "Mise en oeuvre d'un système de reconstruction adaptif pour l'IRM 3D des organes en mouvement." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0289/document.
Full textMagnetic Resonance Imaging (MRI) has two main features. The first one, its ability to manipulate contrast, is a major advantage compared to the other imaging modalities. It allows to access complementary information for a better detectability and a diagnostic more accurate. This is especially useful for myocardium pathologies. The second feature of MRI is also one of its main drawbacks: the acquisition process is slow. Therefore, patient motion is a significant obstacle because it disturbs the acquisition process, which leads to artifacts in the reconstructed image. Cardiac and thoracic imaging are particularly sensitive to this motion issue. The aim of this thesis is to develop a new motion correction method that can be integrated in a multi-contrast workflow. In a first phase, we studied apart the motion correction problem. To do so, we focused more particularly on the GRICS method which was already developed in the IADI laboratory. This method allows the joint reconstruction of an image free from artifact and a non-rigid motion model that describes the displacements occurring during the acquisition. The first major contribution of this thesis is an improvement of the GRICS method consisting mainly in adapting it to the 3D imaging. This was achieved with a new adaptive regularization method that perfectly suits the inverse problem posed in GRICS. The second major contribution of this thesis consists in the simultaneous management of the motion correction on multiple acquisitions with different contrasts. To do so, the MRI examination is considered as a whole. Thus we make the most of information shared between the different contrasts. All these methods have been applied and validated by simulations, tests on phantom, on healthy volunteers and on patients as part of clinical studies. We aimed more particularly at cardiac MR. Finally the developed methods improve the acquisition and reconstruction workflow in the framework of a real clinical routine
Book chapters on the topic "Multi-Organes"
Roussin, France. "Organisation du prélèvement multi-organes (PMO) et coordination." In Références en réanimation. Collection de la SRLF, 241–45. Paris: Springer Paris, 2014. http://dx.doi.org/10.1007/978-2-8178-0503-0_42.
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