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Littérature scientifique sur le sujet « Maladie de Parkinson – imagerie diagnostique »
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Articles de revues sur le sujet "Maladie de Parkinson – imagerie diagnostique"
Baulieu, J. L., A. Le-Pogam, A. Leborgne, D. Guilloteau et C. Prunier-Aesch. « Imagerie moléculaire de la maladie de Parkinson : données actuelles ». Médecine Nucléaire 32, no 4 (avril 2008) : 236–41. http://dx.doi.org/10.1016/j.mednuc.2008.02.001.
Texte intégralFrackowiak, Richard S. J., Patricia Dowsey-Limousin, Marjan Jahanshahi et Marwan Hariz. « Imagerie cérébrale et motricité dans la maladie de Parkinson ». Bulletin de l'Académie Nationale de Médecine 187, no 2 (février 2003) : 295–304. http://dx.doi.org/10.1016/s0001-4079(19)34050-6.
Texte intégralThobois, S., B. Ballanger, A. Poisson et E. Broussolle. « Imagerie des signes non moteurs dans la maladie de Parkinson ». Revue Neurologique 168, no 8-9 (août 2012) : 576–84. http://dx.doi.org/10.1016/j.neurol.2012.05.007.
Texte intégralde Guire Ouellet, Sophie, Alban Letanneux, Maud Champagne-Lavau et Serge Pinto. « Parole et langage dans la maladie de Parkinson : études en neuro-imagerie fonctionnelle ». Revue française de linguistique appliquée XVII, no 2 (2012) : 19. http://dx.doi.org/10.3917/rfla.172.0019.
Texte intégralWelter, Marie-Laure, Eric Bardinet, Maria Vinti, Pierre Foulon et Carine Karachi. « Réalité virtuelle et imagerie mentale de la marche dans la maladie de Parkinson ». Revue Neurologique 171 (avril 2015) : A219. http://dx.doi.org/10.1016/j.neurol.2015.01.498.
Texte intégralRemy, P. « Imagerie fonctionnelle : quelle place dans le diagnostic et l’évaluation thérapeutique de la maladie de Parkinson ? » Revue Neurologique 166, no 10 (octobre 2010) : 770–74. http://dx.doi.org/10.1016/j.neurol.2010.07.018.
Texte intégralHenry, C. « Le trouble bipolaire et ses biomarqueurs : quoi de neuf ? » European Psychiatry 29, S3 (novembre 2014) : 557. http://dx.doi.org/10.1016/j.eurpsy.2014.09.364.
Texte intégralTard, C., A. Delval, R. Lopes, F. Le Jeune, C. Delmaire, K. Dujardin, L. Defebvre et C. Moreau. « Imagerie multimodale du freezing de la marche dans la maladie de Parkinson par TEP au 18FDG et IRM non conventionnelle ». Neurophysiologie Clinique/Clinical Neurophysiology 42, no 6 (décembre 2012) : 410–11. http://dx.doi.org/10.1016/j.neucli.2012.09.075.
Texte intégralTard, C., C. Moreau, A. Delval, F. Lejeune, C. Delmaire, K. Dujardin et L. Defebvre. « Imagerie multimodale du freezing de la marche dans la maladie de Parkinson par TEP au 18FDG et IRM non conventionnelle ». Revue Neurologique 169 (avril 2013) : A128. http://dx.doi.org/10.1016/j.neurol.2013.01.304.
Texte intégralTir, M., C. Delmaire, V. le Thuc, A. Destée, J. P. Pruvo et L. Defebvre. « U - 18 Étude en imagerie cérébrale par morphométrie et tenseur de diffusion dans la maladie de Parkinson et l’atrophie multisystématisée forme parkinsonienne ». Revue Neurologique 163, no 4 (avril 2007) : 75–76. http://dx.doi.org/10.1016/s0035-3787(07)90631-1.
Texte intégralThèses sur le sujet "Maladie de Parkinson – imagerie diagnostique"
Carey, Guillaume. « Imaging anxiety in Parkinson's disease ». Electronic Thesis or Diss., Université de Lille (2022-....), 2024. https://pepite-depot.univ-lille.fr/ToutIDP/EDBSL/2024/2024ULILS023.pdf.
Texte intégralAnxiety in Parkinson's disease (PD) is a frequent and disabilitating non-motor symptom. It is difficult to manage, partly due to a poor knowledge of the underlying mechanisms. The objective of this thesis was to identify the underlying mechanisms of PD-related anxiety, using multimodal brain MRI.A systematic review of the literature on imaging data in PD-related anxiety was first carried out, allowing the generation of initial hypotheses. Then, several studies including structural and functional brain MRI analyses were carried out in PD patients with or without clinically significant anxiety. Our analyses focused on the fear circuit, known to be involved in anxiety disorders and fear processing, and the limbic cortico-striato-thalamo-cortical circuit, known for its involvement in the neuropsychiatric symptoms of PD.Our results suggest that PD-related anxiety is the consequence of a functional and structural imbalance between these two circuits. Certain overlapping structures, such as the thalamus, the striatum or the brainstem nuclei, could be key areas whose alteration could explain the high prevalence of these disorders in PD. Further works based in particular on technological advances in imaging and new concepts concerning the pathophysiology of PD will be necessary to answer the remaining questions
Pinto, Serge. « Stimulation du noyau subthalamique et dysarthrie parkinsonienne : études biomécanique et par imagerie cérébrale ». Université Joseph Fourier (Grenoble), 2002. http://www.theses.fr/2002GRE19008.
Texte intégralSubthalamic nucleus stimulation and parkinsonian dysarthria : biomechanical and neuroimaging studies. The aim of this study is to determine the bilateral subthalamic nucleus (STN) stimulation effect on parkinsonian dysarthria (. . . ) These changes associated with speech production in PD might be explained by a compensatory phenomenon. When the STN stimulation was turned ON, the activation profiles were similar to those of the healthy subjects, except for the persistence of activation of the SMA
Menuel, Carole. « Vers la précision inframillimétrique en IRM en conditions stéréotaxiques : application au traitement par stimulation profonde de la maladie de Parkinson ». Paris 11, 2005. http://www.theses.fr/2005PA112057.
Texte intégralHigh-frequency stimulation of the subthalamic nucleus (STN) is an effective method for treating refractory idiopathic Parkinson disease (PD). MRI in stereotactic conditions is used by many teams to perform pre-operative targeting of the STN. The goal of this study is to analyze and correct the geometric observed on MR acquisitions used for targeting of the STN. Dedicated phantom of known geometry was used. We calculated existing shifts between measured points and theoretically defined points on the same T1 and T2-weighted sequences used to target STN. A shifting volume was built to correct the distorsion. A quantitative study of the correction was carried out on the phantom images and acquisitions done in patients. To quantify the distortion corrections in patients, we evaluated different anatomical structure. Results show that the distortions are greater in T2 and weak in T1-weighted acquisitions, of the size order of one pixel. The geometric distortion was significantly reduced and smaller than pixel size after distortion correction. Study of the patient’s scans showed a good correspondence between anatomical structure in T1 (not distorted) and T2 corrected. The MR distortions observed on a T1-weighted acquisition remains very low, this confirms that this type of sequence can be used with stereotactic precision,. T2-weighted acquisition can be used to obtain measurement at the center part of the field of view but cannot be used directly for stereotactic targets determination. Correction of the geometrical distortion observed on the T2-weighted sequence can be obtained with our method and could be used to the stereotactic procedure
Couronné, Raphaël. « Modélisation de la progression de la maladie de Parkinson ». Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS363.
Texte intégralIn this work, we developed statistical methods to model disease progression from patient’s repeated measurements, with a focus on Parkinson’s Disease (PD). A key challenge lies in the inherent heterogeneity of PD across patients, to the extent that PD is now suspected to encompass multiple subtypes or motor phenotypes. To gain insights on disease progression, research studies propose to gather a broad range of marker measurements, at multiple timepoints for each patients. These data allow to investigate the disease’s patterns of progression via statistical modeling. In a first part, we modeled the progression of scalar markers of PD. We extended on a disease progression model, namely the longitudinal spatiotemporal model. We then proposed to address data missingness, and to model the joint progression of markers of different nature, such as clinical scores, and scalar measurements extracted on imaging modalities. With this method, we modeled early motor progression in PD, and, in a second work, the heterogeneity of idiopathic PD progression, with a focus on sleep symptoms. In a second, independent, part of the manuscript, we tackled the longitudinal modeling of medical images. For these higher dimensionality data, Deep Learning is often used, but mostly in cross sectional setups, ignoring the possible inner dynamics. We proposed to leverage Deep Learning as a dimensionality reduction tool to build a spatiotemporal coordinate system of disease progression. We first took advantage of this flexibility to handle multimodal data. Then we leveraged the self-supervision induced by assuming monotonicity over time, to offer higher flexibility in modeling temporal variability
Emond, Patrick. « Développement de médicaments radiopharmaceutiques émetteurs de rayonnements gamma pour l'exploration du transporteur de la dopamine dans le système nerveux central ». Tours, 1997. http://www.theses.fr/1997TOUR4016.
Texte intégralHaegelen, Claire. « Construction et validation d’une base de données multimodales pour la stimulation cérébrale profonde ». Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1B003/document.
Texte intégralDeep brain stimulation (DBS) is an effective treatment for patients with severe disabled Parkinson’s disease refractory to medical treatments. DBS surgery consists of the accurate implantation of an electrode in a deep brain nucleus. The quality of the surgical planning can be improved by developing a multimodal database based on anatomical, clinical and electrophysiologial data. The first step was to develop a specific magnetic resonance imaging (MRI) template of Parkinson’s disease patients’ anatomy, and to validate the segmentation of the 24 deep brain structures made on this template. Secondly, we focused on identifying optimum sites for subthalamic nucleus (STN) stimulation by studying symptomatic motor improvement along with neuropsychological side effects in 30 patients with PD. Each clinical score produced one anatomo-clinical atlas, associating the degree of improvement or worsening of the patient with its active contacts.We showed a discrepancy between a good motor improvement and an invevitable deterioration of the fluencies by targeting the postero-superior region of the STN. Finally, we developed new statistical anatomo-clinical maps the better to visualize the motor and neuropsychological consequences at 6 months of GPm stimulation in 20 patients with PD. These maps provided us with the motor improvement of GPm stimulation without cognitive impairments. We also proposed a new more lateral targeting of the GPm in PD because of the cortico-subcortical atrophy induced by the disease. Our goal is to use these statistical maps prospectively in further patients to improve their targeting, thus ensuring a shorter planning step on the day of the surgery as well as better outcomes from motor and neuropsychological point of view
Debilly, Bérengère. « Comparaison de l'atrophie cérébrale évaluée en R. M. N dans la maladie de Parkinson idiopathique et dans les autres syndromes parkinsoniens ». Bordeaux 2, 1992. http://www.theses.fr/1992BOR2M143.
Texte intégralStauber, Jonathan. « Imagerie MALDI : nouveaux développements et applications cliniques ». Lille 1, 2007. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2007/50376-2007-379.pdf.
Texte intégralThe recent innovations in molecular biology were realized with the evolution of the imaging techniques in the field of Genomics, Transcriptomics, and recently in Proteomics with an essential tool, the mass spectrometry. This imaging technique create characteristic protein profiles of the cellular states, and appears today as an undissociable tool for research in biology and medicine. The last developments look to emerge the mass spectrometry to a molecular imaging to identify pathologies, to observe the drugs distributions in tissues, or the diseases diagnosis or prognosis. This unique and recent technology should be developed, improved, and standardized. It's in this point of view the my PhD training named MALDI imaging new developments and clinical applications was defined. The different results obtained during my PhD were permits to create a concept of Specific Imaging Mass Spectrometry, to develop Molecular MALDI imaging of frozen and FFPE tissues with many applications in the research of specific biomarkers in Parkinson disease and ovarian cancer. The evolution of this unique molecular imaging technique should be in the next years a complementary method of others in vivo imaging technique
Maia, Serge. « Imagerie moléculaire de la neuroinflammation dans la maladie de Parkinson : étude préclinique dans un modèle animal de rat ». Thesis, Tours, 2012. http://www.theses.fr/2012TOUR3302/document.
Texte intégralAlthough the precise molecular mechanisms causing the dopaminergic neurodegeneration are still not totally understood, a body of epidemiological, clinical and experimental evidence indicates that neuroinflammation may have an important role in the pathogenesis of PD. Study of spatio-temporal links between neuroinflammation and neurodegeneration during the course of PD would improve understanding of the physiopathological mechanism and also accessibility to early diagnosis and/or new antiinflammatory therapeutic approaches. The current development of non-invasive molecular imaging methods allowing direct monitoring of the neuroinflammation process should be valuable for this purpose. The molecular target of choice in this field is the 18 kDa translocator protein (TSPO), a sensitive biomarker associated with neuroinflammation, which is over-expressed in activated microglia. In the study presented here we achieved the longitudinal evaluation of both physiopayhological mechanisms in parallel with the modifications of dopaminergic function at several time-points after 6-OHDA lesion in the rat that mimics an early stage of PD. After unilateral intra-striatal 6-OHDA administration, we quantified the temporal evolution of the TSPO, TH immunoreactivity and DAT in the striatum and the SNc from 3 to 56 days post-lesion (dpl). Increased binding of TSPO ligands used, i.e. [3H]PK11195 and [125I]CLINDE, was observed in the lesioned striatum at 3, 7 and 14 dpl, followed by a progressive return to the basal level at 56 dpl. The binding profile in the SNc showed progressive binding beginning at 3 dpl, peaking at 14 dpl, and progressively decreasing until 56 dpl. In this rodent model of PD, the neuroinflammatory and neurodegenerative processes occurred concomitantly. The transitory occurrence of microglial activation could be involved in the advent and the lasting installation of dopaminergic neuron loss. This study supports the link between neuroinflammation and neurodegeneration and emphasizes the interest of CLINDE as potent in vivo tracer of neuroinflammation by providing valuable information for early diagnosis and longitudinal follow-up of disease progression, with potential applications to human patients. Indeed, early detection of neuroinflammation, prior to a clinically significant loss of neurons, could become a major issue in the management of pre-symptomatic PD. To support this idea, we demonstrate the existence of a therapeutic window, occurring just after the lesion, which may be proposed for the introduction of anti-inflammatory treatments that aimed to slow the neurodegenerative process. Further exploration of the relationship between neuroinflammation and neurodegeneration in vivo in the same animal model with the method of micro-PET imaging, transposable to humans, using in parallel the [18F]-DPA714 for TSPO and [18F]-LBT999 for DAT is pending
Poisson, Alice. « Plasticité anormale et maladie de Parkinson : de l'akinésie à l'hyperkinésie ». Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10261/document.
Texte intégralMirror movements and akinesia can be both found during Parkinson’s disease. Although very different, they may both reflect an abnormal cerebral plasticity during the disease and the perturbation of the motor inhibitory control. This work reveals that mirror movements are linked to a1/ disruption of the reactive inhibitory control and 2/ to the overactivation of numerous cortical areas. The latter could be the result of a compensatory recruitment aiming at improving the movement. But they could as well reflect a deleterious loss of cerebral activation specificity during Parkinson’s disease. The second experience shows that in healthy subject, the proactive inhibitory control is underpinned by the noradrenergic system. Last but not least the third part of this work reveals an abnormal implementation of the proactive inhibitory control in Parkinson’s disease and suggests its involvement in akinesia. Brought together these results suggest that an abnormal plasticity phenomenon underlies the mirror movements and the akinesia in Parkinson’s disease. More precisely, we observed a default of the reactive inhibitory control associated to mirror movements in Parkinson’s disease and an excess of proactive inhibitory control that seems to be linked to akinesia. The finding of an adrenergic modulation of the proactive inhibitory control opens the fields for the development of noradrenergic therapeutics in akinesia
Chapitres de livres sur le sujet "Maladie de Parkinson – imagerie diagnostique"
Thobois, Stéphane, et Emmanuel Broussolle. « Imagerie cérébrale ». Dans La maladie de Parkinson, 133–42. Elsevier, 2015. http://dx.doi.org/10.1016/b978-2-294-74232-3.00012-x.
Texte intégralThobois, S., et E. Broussolle. « Imagerie cérébrale ». Dans La maladie de Parkinson, 141–54. Elsevier, 2011. http://dx.doi.org/10.1016/b978-2-294-71153-4.00011-1.
Texte intégralOry-Magne, Fabienne, et Christine Brefel-Courbon. « Éducation thérapeutique, annonce diagnostique et place des aidants ». Dans La maladie de Parkinson, 211–18. Elsevier, 2015. http://dx.doi.org/10.1016/b978-2-294-74232-3.00018-0.
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