Literatura académica sobre el tema "Ultrasons en médecine – Innovation"
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Artículos de revistas sobre el tema "Ultrasons en médecine – Innovation"
Dauzat, M., A. Pérez-Martin, I. Schuster-Beck, G. Böge y J. P. Laroche. "Le futur des ultrasons en médecine vasculaire". Journal des Maladies Vasculaires 37, n.º 2 (marzo de 2012): 46. http://dx.doi.org/10.1016/j.jmv.2011.12.009.
Texto completoDauzat, M., A. Perez-Martin, I. Schuster-Beck, G. Boge, M. Dirienzo y J. P. Laroche. "L’avenir des ultrasons en médecine vasculaire ou l’ultrasonographie de l’extrême". Journal des Maladies Vasculaires 37, n.º 5 (septiembre de 2012): 245–47. http://dx.doi.org/10.1016/j.jmv.2012.07.027.
Texto completoFAVIER, J. C., L. AIGLE, G. TONDEUR, N. CAZES y J. LEYRAL. "Quelles devraient être les indications de l’échographie en Role 1?" Médecine et Armées Vol. 42 No. 4, Volume 42, Numéro 4 (1 de octubre de 2014): 315–20. http://dx.doi.org/10.17184/eac.7040.
Texto completoSlim, K., M. Selvy y J. Veziant. "Innovation conceptuelle : la médecine 4P et la chirurgie 4P". Journal de Chirurgie Viscérale 158, n.º 3 (junio de 2021): S13—S18. http://dx.doi.org/10.1016/j.jchirv.2021.01.001.
Texto completoJULIAN-REYNIER, Claire, Jean-Paul MOATTI, Pascale BOURRET, François EISINGER y Hagay SOBOL. "Vers une colonisation génétique de la médecine?" Sociologie et sociétés 28, n.º 2 (30 de septiembre de 2002): 141–55. http://dx.doi.org/10.7202/001368ar.
Texto completoVuillaume, L. Abensur, G. Carval, M. Grajoszex, N. Ouamara y J. P. Salvestrini. "Innovation en santé au service des urgences et des cliniciens-chercheurs : le parcours et l’évaluation clinique d’un dispositif médical". Annales françaises de médecine d’urgence 12, n.º 1 (enero de 2022): 36–43. http://dx.doi.org/10.3166/afmu-2022-0382.
Texto completoQueneau, Patrice y Rissane Ourabah. "Une innovation de l’Académie de médecine : un service médical citoyen contractuel d’un an pour les nouveaux diplômés". Médecine 19, n.º 4 (1 de abril de 2023): 1–2. http://dx.doi.org/10.1684/med.2023.881.
Texto completoLaunay, D. "Innovation thérapeutique pour le traitement de l’angiœdème héréditaire : Firazyr® (icatibant) – 58e congrès national de médecine interne. Bordeaux, 12 décembre 2008". La Revue de Médecine Interne 30, n.º 4 (abril de 2009): 384–86. http://dx.doi.org/10.1016/j.revmed.2009.01.004.
Texto completoRainhorn, Judith. "L’«épidémiologie de la bottine» ou l’enquête médicale réinventée. Alice Hamilton et la médecine industrielle dans l’Amérique du premier XXe siècle". Gesnerus 69, n.º 2 (11 de noviembre de 2012): 330–54. http://dx.doi.org/10.1163/22977953-06902005.
Texto completoRUELLE, Y. y O. GROSS. "DES PATIENTS ENSEIGNANTS ET CHERCHEURS : SORTIR DU VOEU PIEUX !" EXERCER 33, n.º 186 (1 de octubre de 2022): 373. http://dx.doi.org/10.56746/exercer.2022.186.373.
Texto completoTesis sobre el tema "Ultrasons en médecine – Innovation"
Cilleros, Celia. "Développement d’un traitement par ultrasons focalisés de haute intensité par voie peropératoire pour les tumeurs pancréatiques". Electronic Thesis or Diss., Lyon, 2021. http://www.theses.fr/2021LYSE1089.
Texto completoCurrently, management options for locally advanced pancreatic tumors are extremely limited. Surgical resection cannot be considered due to the non-reconstructible vascular involvement of the tumor. High intensity focused ultrasound (HIFU) treatments have demonstrated their potential in the palliative treatment of pancreatic cancers. The thesis project focuses on the definition of HIFU treatment parameters that induce necrosis of the targeted pancreatic parenchyma while preserving the vascular permeability of an artery included in the destroyed area, using an intraoperative therapy probe with a toroidal transducer and an integrated ultrasound imaging probe. For the assessment of arterial flow, real-time Doppler imaging monitoring was developed during the HIFU procedure. Treatment parameters were chosen to allow acquisition of the Doppler signal between HIFU emission phases with a duty cycle of 40% therapy time and 60% imaging time, for a total duration of 900 seconds. A perfused model was used to evaluate the impact of in vitro treatment parameters on the lesion induced. The lesions obtained with the application of the duty cycle were on average 20% smaller than the lesions without duty cycle, but this reduction was considered acceptable regarding to the safety benefit of treatment with Doppler imaging. A first preclinical study demonstrated the occurrence of reversible arterial spasm following repeated HIFU treatments on the targeted artery. Thermal ablations of approximately 20 mm in diameter were generated around the targeted artery without causing definitive vascular occlusion or thrombosis in the short and medium term. Nevertheless, with a perspective of using this HIFU treatment in humans and thus with the objective of ensuring the safety of the treatment, a predictive tool for arterial spasm has been developed. New studies have identified alterations in the arterial signal during HIFU treatment, reflected by the appearance of a turbulent component upstream of the treated area before the arterial spasm occurs. A tool based on signal dissimilarity was developed and patented based on these signal changes. The acceleration of these modifications allowed to anticipate the arterial spasm in real time and thus a feedback on the HIFU treatment. Preclinical studies allowed to define a threshold on this acceleration beyond which the appearance of stenosis seemed systematic if the treatment was carried out. Depending on the parameters applied, tissue necrosis up to 17 mm in diameter was induced in the pancreatic tissue and around the target vessel without induction of arterial spasm and while maintaining vascular patency. Doppler imaging associated with the real-time tool confirmed the persistence of arterial flow during HIFU treatments. These safe and effective preclinical treatments allow us to consider a Phase I-II clinical trial evaluating HIFU destruction of locally advanced tumors of 10 to 15 mm in diameter in humans
Helbert, Alexandre. "L'imagerie moléculaire de contraste ultrasonore en oncologie : Utilisation des microbulles BR55 ciblant le VEGFR2 dans la détection de l’angiogenèse tumorale, le guidage thérapeutique et l'évaluation de l'efficacité de traitements antiangiogéniques et cytotoxiques". Electronic Thesis or Diss., Lyon, 2022. http://www.theses.fr/2022LYSE1076.
Texto completoUltrasound contrast imaging has grown considerably in recent decades. Several intravascular ultrasound contrast agents, encapsulated gas microbubbles, have been marketed for applications such as cardiovascular imaging and radiology. Following the demonstration of their effectiveness, further research was conducted. A new generation of microbubbles has been developed : targeted microbubbles. Their particularity is to contain, on their shell, a ligand that can bind to specific vascular markers of a pathology such as markers of tumor angiogenesis. To date, only one molecular ultrasound contrast agent, the so-called BR55, has been tested in humans for the detection of tumors of the prostate, breast and ovary. The objective of this work was to explore the possibilities of BR55, beyond diagnosis. The experimental work was performed on rodent models. In the first part of this work, it was necessary to master the use of ultrasound molecular contrast imaging in order to guarantee the robustness of the experiments performed and of the results obtained. BR55 has the particularity of being able to bind to a receptor, VEGFR2, overexpressed in the process of tumor angiogenesis. The BR55 microbubbles attached to this receptor allow visualization of the lesion by contrast imaging. The second part of this work was to follow the evolution of VEGFR2 expression during an antiangiogenic treatment targeting this receptor. We were able to demonstrate the precocity with which the monitoring of VEGFR2 expression by BR55 can objectify the tumor response to treatment. Finally, we used BR55 microbubbles to guide a focused ultrasound therapy to target the localization of doxorubicin release from sonosensitive liposomes. Not only was it possible to perform the treatment guidance by ultrasound molecular contrast imaging, but again the use of BR55 allowed to follow the response to the treatment. The results presented in this thesis pave the way for potential new uses of BR55 for therapeutic monitoring and guidance of treatments by ultrasound molecular contrast imaging
Férin, Guillaume. "Optimisation de Réseaux Ultrasonores Haute Densité". Tours, 2006. http://www.theses.fr/2006TOUR3313.
Texto completoDu, Burck Frédéric. "Atténuation acoustique dans un milieu poroélastique fibreux : application à la caractérisation tissulaire ultrasonore du myocarde". Paris 12, 1988. http://www.theses.fr/1988PA120037.
Texto completoMachet, Laurent. "Utilisation des ultrasons pour augmenter l'absorption percutanée : la phonophorèse". Tours, 1997. http://www.theses.fr/1997TOUR3308.
Texto completoGleizal, Arnaud. "Applications des ultrasons en chirurgie maxillofaciale : stimulation de la régénération osseuse-piézochirurgie". Lyon 1, 2009. http://www.theses.fr/2009LYO10026.
Texto completoThe maxillo-facial surgeon deals, in his daily work, with two problematic situations: - to cut bone in the facial bones with important soft tissues injury risk. - to take care of patients with bone deficit that could have originated either in trauma or in a congenital malformation, or be iatrogenic. The purpose of this work was: - to develop new surgical techniques safer by using ultrasonic instruments which have the ability to cut bone without damaging soft tissues - to understand and optimize the mechanisms of bone regeneration of a certain type of ultrasound, the LIPUS (low intensity pulsed ultrasound) on the cranial and facial bones both in vitro and in vivo. Results: - According to preliminary studies in animals, we described in humans new techniques for mandibular sagittal splitting, palatal expansion, and cranial surgery, using a piezoelectric scalpel which allows decreasing morbidity from these surgeries. - We have made progress in the understanding of gene stimulation of osteoblasts by LIPUS showing stimulation of genes involved in transcription cell and also in optimizing treatment protocols in vivo highlighting reconstruction predominant bone to 300mW / cm2
Belamari, Mohamed El Yazid. "Estimation de l'atténuation des ultrasons dans les tissus biologiques de faible épaisseur : application à la caractérisation tissulaire du myocarde in vivo". Paris 12, 1991. http://www.theses.fr/1991PA120024.
Texto completoBaldeweck, Thérèse. "Mesure de l'atténuation ultrasonore dans les milieux biologiques fortement atténuants : application à la caractérisation de la peau". Paris 12, 1995. http://www.theses.fr/1995PA120011.
Texto completoDautraix, Isabelle. "LaStéréo échographie. : Une nouvelle technique de visualisation volumique de données ultrasonores". Lyon, INSA, 1993. http://www.theses.fr/1993ISAL0012.
Texto completoThis work concerns the presentation in relief of medical ultrasonic data obtained by echography B. The originality of this study consists in transposing the classical stereoscopic technicals in the field of ultrasonic imaging. By analogy with the stereo-radiography by X rays, the principle of the stereo-echographis drawn up. An homogeneous volume of data, in Cartesian coordinates, is obtained by interpolation of the ultrasonic cross-sectional images acquired by translation or rotation of an echographic probe. Thanks to the collinear equations of the photogrammetry, two stereo-echograms of the ultrasonic volume are computerized. The value of the parameters of simulated systems of shot is chosen so that the visual restitution of the relief is optimized. Moreover, in order to make the restitution of the relief easier, the ultrasonic data can be pre-treated before the calculation of the stereo-echograms and some synthetic data (simple geometrical volumes) can be added to the data. The algorithms of the computation of the stereo-echograms have been first validated on physical phantoms and then applied on actual ultrasonic data (liver, foetus,. . . ). Contrary to the technicals of surface or volume rendering, which are difficult to apply to ultrasonic data which are very noisy by nature, the stereo-echography provides a presentation in true relief which makes the interpretation and the understanding of 3D complicated structures easier
Mühlen, Sérgio Santos. "Étude et optimisation d'un lithotriteur urinaire percutané : association des ultrasons de puissance et des ondes de choc électro-hydrauliques". Vandoeuvre-les-Nancy, INPL, 1989. http://www.theses.fr/1989NAN10352.
Texto completoLibros sobre el tema "Ultrasons en médecine – Innovation"
A, Benwell-Morison Deirdre y Canada. Direction de l'hygiène du milieu., eds. Principes d'utilisation des ultrasons: Partie II. Applications industrielles et commerciales. Ottawa, Ont: Direction de l'hygiène du milieu, 1991.
Buscar texto completoBly, Stephen Howard Perry. Principes d'utilisation des ultrasons: 1re partie. Applications médicales et paramédicales. Ottawa, Ont: Direction de l'hygiène du milieu, 1989.
Buscar texto completoA, Duck Francis, Baker Andrew C y Starritt H. C, eds. Ultrasound in medicine. Bristol: Institute of Physics Pub., 1998.
Buscar texto completoN, McDicken W., ed. Doppler ultrasound: Physics, instrumentation, and signal processing. 2a ed. Chichester: Wiley, 2000.
Buscar texto completoDiagnostic ultrasound: Principles and instruments. 7a ed. St. Louis, Mo: Elsevier Saunders, 2006.
Buscar texto completoKremkau, Frederick W. Diagnostic ultrasound: Principles, instruments, and exercises. 3a ed. Philadelphia: Saunders, 1989.
Buscar texto completoDiagnostic ultrasound: Principles and instruments. 5a ed. Philadelphia, Pa: W.B. Saunders, 1998.
Buscar texto completoDiagnostic ultrasound: Principles and instruments. 4a ed. Philadelphia: W.B. Saunders, 1993.
Buscar texto completoThe essential physics of medical imaging. 3a ed. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
Buscar texto completoTony, Solomonides, ed. Healthgrid research, innovation, and business case: Proceedings of HealthGrid 2009. Amsterdam: IOS Press, 2009.
Buscar texto completoInformes sobre el tema "Ultrasons en médecine – Innovation"
McAdams-Roy, Kassandra, Philippe Després y Pierre-Luc Déziel. La gouvernance des données dans le domaine de la santé : Pour une fiducie de données au Québec ? Observatoire international sur les impacts sociétaux de l’intelligence artificielle et du numérique, febrero de 2023. http://dx.doi.org/10.61737/nrvw8644.
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