Gotowa bibliografia na temat „Imagerie Moléculaire de Contraste Ultrasonore”
Utwórz poprawne odniesienie w stylach APA, MLA, Chicago, Harvard i wielu innych
Spis treści
Zobacz listy aktualnych artykułów, książek, rozpraw, streszczeń i innych źródeł naukowych na temat „Imagerie Moléculaire de Contraste Ultrasonore”.
Przycisk „Dodaj do bibliografii” jest dostępny obok każdej pracy w bibliografii. Użyj go – a my automatycznie utworzymy odniesienie bibliograficzne do wybranej pracy w stylu cytowania, którego potrzebujesz: APA, MLA, Harvard, Chicago, Vancouver itp.
Możesz również pobrać pełny tekst publikacji naukowej w formacie „.pdf” i przeczytać adnotację do pracy online, jeśli odpowiednie parametry są dostępne w metadanych.
Artykuły w czasopismach na temat "Imagerie Moléculaire de Contraste Ultrasonore"
Clément, Olivier, Alain Luciani i Cédric de Bazelaire. "Produits de contraste et imagerie moléculaire". Journal de Radiologie 87, nr 10 (październik 2006): 1383. http://dx.doi.org/10.1016/s0221-0363(06)87323-3.
Pełny tekst źródłaBouakaz, A., G. Ferin, D. Certon i O. Basset. "Imagerie ultrasonore de contraste avec transducteurs capacitifs micro-usinés". IRBM 32, nr 2 (kwiecień 2011): 102–5. http://dx.doi.org/10.1016/j.irbm.2011.01.011.
Pełny tekst źródłaClément, Olivier, Charles-André Cuenod i Olivier Hauger. "Recherche en produits de contraste et imagerie moléculaire". Journal de Radiologie 85, nr 9 (wrzesień 2004): 1405. http://dx.doi.org/10.1016/s0221-0363(04)77313-8.
Pełny tekst źródłaClément, Olivier. "Recherche en produits de contraste et imagerie moléculaire". Journal de Radiologie 88, nr 10 (październik 2007): 1414. http://dx.doi.org/10.1016/s0221-0363(07)81240-6.
Pełny tekst źródłaTranquart, F., J. M. Correas, H. Marret, D. Portalez i A. Bleuzen. "Développements récents en imagerie ultrasonore de contraste à visée oncologique". Journal de Radiologie 88, nr 11 (listopad 2007): 1759–69. http://dx.doi.org/10.1016/s0221-0363(07)73955-0.
Pełny tekst źródłaBoisserie-Lacroix, M., P. Cavagni, H. Laumonier, J. Bentolila, N. Lebiez-Michel, M. Bouzgarrou i H. Trillaud. "Produits de contraste ultrasonore en imagerie mammaire : essai prospectif de caracterisation lesionnelle". Journal de Radiologie 87, nr 10 (październik 2006): 1334. http://dx.doi.org/10.1016/s0221-0363(06)87155-6.
Pełny tekst źródłaPellot-Barakat, C., S. Mulé, A. De Cesare, M. Lamuraglia, O. Lucidarme, L. Bridal, A. Herment i F. Frouin. "Évaluation par AFSIM d’une méthode régularisée de correction de l’atténuation en imagerie de contraste ultrasonore". IRBM 30, nr 4 (wrzesień 2009): 174–78. http://dx.doi.org/10.1016/j.irbm.2009.05.002.
Pełny tekst źródłaLucidarme, O., S. L. Bridal, J. M. Corréas, R. F. Mattrey i G. Berger. "Quantification non invasive de la microcirculation par imagerie ultrasonore fonctionnelle de contraste avec les techniques de destruction reperfusion". Journal de Radiologie 85, nr 9 (wrzesień 2004): 1465. http://dx.doi.org/10.1016/s0221-0363(04)77525-3.
Pełny tekst źródłaRozprawy doktorskie na temat "Imagerie Moléculaire de Contraste Ultrasonore"
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.
Pełny tekst źródłaUltrasound 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
Novell, Anthony. "Imagerie de contraste ultrasonore avec transducteurs capacitifs micro-usinés". Phd thesis, Tours, 2011. http://tel.archives-ouvertes.fr/tel-00665141.
Pełny tekst źródłaBouakaz, Ayache. "Produits de contraste ultrasonore : évaluation acoustique in vitro et application". Lyon, INSA, 1996. http://www.theses.fr/1996ISAL0058.
Pełny tekst źródłaIt's usually more difficult for a radiologist to interpret ultrasonic images than other records issued from other imaging modalities. Indeed, the ultrasonic record has no familiar landmarks for the uninitiated observer. As for other imaging techniques, the use of contrast agents could be considered. Typically, contrast ultrasound involves the injection of echo-producing microbubbles into the bloodstream to enhance the ultrasound echogenicity of a certain structure in the body. In the first part of this study, we proposed a theoretical approach for acoustic characterization of ultrasound contrast agents. Simultaneously, an experimental procedure was developed to quantify the ultrasonic properties of contrast agents in vitro. This was carried out by determining their acoustic parameters. The backscatter coefficient (BC), attenuation coefficient and scattering to attenuation ratio (STAR) were defined to quantify the ultrasonic effectiveness of the contrast agent. The experimental conditions correspond to the clinical reality. The experimental determination of ultrasonic properties is important for an appropriate use of the contrast agent. Afterwards, a method is presented and used to determine the acoustic contribution of a contrast agent to the image enhancement. Optimal values of the acoustic properties necessary to get a visible enhancement of the image are deduced. At last, we propose a newer clinical application using contrast agent. This has been done in intravascular echography and the contrast has been proved useful for this application
Mulé, Sébastien. "Méthodologie pour l’évaluation de la microcirculation en imagerie ultrasonore de contraste". Paris 11, 2008. http://www.theses.fr/2008PA112033.
Pełny tekst źródłaContrast-enhanced ultrasound (CEUS) imaging is a modality of growing interest in human and small animal studies for the estimation of microcirculation parameters. Nevertheless, estimated microcirculation parameters are still impaired by several artefacts: the contrast agent concentration, microbubble attenuation and motion that is present in the acquisitions. The aim of this work is to propose a methodology for assessing microcirculation in small animal CEUS studies by investigating original methods to correct for these artefacts. An a posteriori frame selection method has been proposed. This method, based on a Principal Component Analysis and that integrates a priori information about the respiratory frequency, allows the selection of the frames acquired at the same respiratory phase. A method for estimating microbubble attenuation in vivo has also been developed. This method provides a dynamic microbubble-specific sequence without shadowing artefacts and therefore more reliable than available from original sequences. These methods, which have been implemented in a user friendly software, have been applied and validated in renal perfusion studies in a murine and a porcine model. Especially, their interest in assessing tumor microcirculation and the efficacy of an antiangiogenic treatment has been highlighted
Le, Marrec Loïc. "Investigation ultrasonore, qualitative et quantitative, d'objets à fort contraste". Aix-Marseille 2, 2004. http://theses.univ-amu.fr.lama.univ-amu.fr/2004AIX22103.pdf.
Pełny tekst źródłaBerti, Romain. "Caractérisation d'agents de contraste ultrasonore pour l'imagerie et la thérapie". Paris 6, 2010. http://www.theses.fr/2010PA066711.
Pełny tekst źródłaDurning, Bruno. "Simulation, estimation spectrale et imagerie des agents de contraste ultrasonores". Lyon 1, 2006. http://www.theses.fr/2006LYO10097.
Pełny tekst źródłaIn this work, we contribute to make ultrasound contrast agent simpler and more effective to use. First we developed a Simulator of Echo Contrast Imaging (SECI). SECI can simulate ultrasound imaging with contrast agent. It takes into account the probe, the propagating medium, the individual, non linear, response of each bubble. Simulations of bubbles alone, have also been performed, at different MI, transmit frequency, and radius. Then, we validate SECI by comparison with in-vitro experiments. An experimental study of the influence of the MI over the contrast agent behavior has been done. Finally, visualization techniques, based on spectral estimation, auto-regressive modelization, and atomical projection have been tested on in-vitro and in-vivo acquisition
Aired-Selmani, Leila. "Caractérisations théoriques et expérimentales d'agents de contraste ultrasonore ciblés". Thesis, Tours, 2013. http://www.theses.fr/2013TOUR3301/document.
Pełny tekst źródłaSince they were introducted, contrast agents have revolutionized the ultrasound imaging. They are composed of tiny gaseous microbubbles and when injected intravenously into the blood, they improve the ultrasound image. Targeted imaging is another application based on the physical characteristics of contrast agents. This approach is based on the ligands incorporation into the microbubbles shell. The microbubble attach to the molecular factors overexpressed by endothelial cells, covering the inner wall of blood vessels. To distinguish these microbubbles from those freely circulating, attached microbubble have to produce an acoustic signal that is sufficiently strong. However, the low microbubbles adhesion induces a decrease of the acoustic signal. To make it possible, it is important to determine the effect of the elastic wall on their acoustic response. This thesis aimed to study the effect of elastic walls on the ultrasonic behavior of targeted microbubbles. First, a theoretical model describing a wall with finite thickness was developed. It has been shown that the scattered echo amplitude by a microbubble near a wall with finite thickness is small in comparison to the echo from a microbubble located in an infinite fluid. Furthermore, and in order to account for the effect of blood vessel wall, the mechanical properties of the wall have been incorporated into the model. The results showed that the resonane frequency of a microbubble near the wall is higher than the resonanace of the same microbubble in an infinite medium. Subsequently, we studied the effect of three types of walls on the microbubble behavior including the wall of OptiCell chamber which is commonly used in ultrasonic experiments. We have shown that microbubbles near the OptiCell wall diffuses a higher echo than those far from the wall when the excitation frequency is above the microbubble resonance frequency. On the other side, we observed that small microbubbles to the presence of the wall. Afterward, we developed a model describing a microbubble attached to the wall. We have shown that the microbubble in direct contact with the wall induces a decrease of the echo amplitude compared to the same bubble in infinite liquid. Moreover, the direct contact of the bubble with the wall generates an increase of the resonance frequency relative to a bubble without direct contact. Finally, an experimental study has shown the advantage of the subharmonic imaging to differentiate attached microbubbles from the free ones
Gerfault, Laurent. "Imagerie des produits de contraste ultrasonore : simulation et approche de la perfusion myocardique". Lyon, INSA, 2000. http://www.theses.fr/2000ISAL0041.
Pełny tekst źródłaLike other imaging modalities (MRI or X-Ray), ultrasound scanning has become a contrast imaging modality. It consists in the enhancement of standard ultrasound imaging using an intra-veinously injected ultrasound contrast agent (USCA). Video intensity and Doppler signals of perfused region, reached by the contrast agent, are enhanced. Then, contrast imaging allows a better visualization of perfusion of different organs, and the approach of functional imaging like myocardial perfusion study. In vitro efficiency of USCA has been demonstrated, but its in vivo use has shown a decrease of efficiency. This work studies the interactions between contrast agent and intra-corporal medium, and the influence of measurement method in the aims of understanding this lack of efficiency. The influences of intra-corporal medium actions (pulmonary filtering, dilution of USCA bolus, diffusion of internal gas of USCA micro particles cardiac pressure) and ultrasound waves are inspected to evaluate physical modifications of USCA in in-vivo conditions. The impact of these physical changes on acoustical responses of USCA is then studied. As clinical evaluation is performed on echographic images, simulations of echographic signals are computed. Finally, the feasibility of absolute measurement of blood flow rate is evaluated. A comparison between a newly developed fluid dynamics based model of bolus dilution and acoustical measurements made on a circulating tubular phantom is made. Our conclusions are applied to the study of myocardial perfusion using an isolated pig heart model
Pauzin, Marie-Christine. "Modélisation du comportement dynamique d'un agent de contraste ultrasonore". Phd thesis, Université de Provence - Aix-Marseille I, 2009. http://tel.archives-ouvertes.fr/tel-00430076.
Pełny tekst źródła