Titre : Acquisition d'organes et de tissus

Acquisition d'organes et de tissus : Questions médicales fréquentes

Termes MeSH sélectionnés :

Diffusion Tensor Imaging
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"inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Acquisition d'organes et de tissus", "description": "Comment évaluer la nécessité d'une transplantation ?\nQuels tests sont utilisés pour le don d'organes ?\nComment déterminer la compatibilité des donneurs ?\nQuels critères excluent un donneur potentiel ?\nComment évaluer la fonction d'un organe avant le don ?", "url": "https://questionsmedicales.fr/mesh/D009927?mesh_terms=Diffusion+Tensor+Imaging&page=5#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Acquisition d'organes et de tissus", "description": "Quels signes indiquent un besoin d'organe ?\nComment reconnaître une réaction au rejet ?\nQuels symptômes d'infection post-transplantation ?\nQuels signes d'une mauvaise fonction rénale ?\nComment identifier une complication pulmonaire ?", "url": 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familiaux influencent-ils le risque ?\nQuels facteurs socio-économiques influencent le don ?", "url": "https://questionsmedicales.fr/mesh/D009927?mesh_terms=Diffusion+Tensor+Imaging&page=5#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer la nécessité d'une transplantation ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'évaluation inclut des tests médicaux, des antécédents et des examens physiques." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour le don d'organes ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests sanguins, d'imagerie et de compatibilité tissulaire sont effectués." } }, { "@type": "Question", "name": "Comment déterminer la compatibilité des donneurs ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "La compatibilité est évaluée par des tests HLA et des groupes sanguins." } }, { "@type": "Question", "name": "Quels critères excluent un donneur potentiel ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des maladies infectieuses, des cancers ou des antécédents médicaux graves peuvent exclure." } }, { "@type": "Question", "name": "Comment évaluer la fonction d'un organe avant le don ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de fonction hépatique, rénale ou cardiaque sont réalisés pour évaluer l'organe." } }, { "@type": "Question", "name": "Quels signes indiquent un besoin d'organe ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Fatigue extrême, douleurs, défaillance d'organe et symptômes d'insuffisance." } }, { "@type": "Question", "name": "Comment reconnaître une réaction au rejet ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Symptômes incluent fièvre, douleur, gonflement et dysfonction de l'organe transplanté." } }, { "@type": "Question", "name": "Quels symptômes d'infection post-transplantation ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Fièvre, frissons, rougeur et douleur au site de la transplantation sont fréquents." } }, { "@type": "Question", "name": "Quels signes d'une mauvaise fonction rénale ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oligurie, œdème, hypertension et fatigue peuvent indiquer une défaillance rénale." } }, { "@type": "Question", "name": "Comment identifier une complication pulmonaire ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Toux persistante, essoufflement et douleur thoracique peuvent signaler une complication." } }, { "@type": "Question", "name": "Comment promouvoir le don d'organes ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Sensibilisation, éducation et campagnes d'information encouragent le don d'organes." } }, { "@type": "Question", "name": "Quelles sont les mesures de sécurité pour les donneurs ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des évaluations médicales rigoureuses et des protocoles de sécurité sont mis en place." } }, { "@type": "Question", "name": "Comment éviter les infections chez les receveurs ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Hygiène rigoureuse, vaccinations et suivi médical régulier aident à prévenir les infections." } }, { "@type": "Question", "name": "Quelles sont les recommandations pour les receveurs ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Suivre les prescriptions, éviter les infections et assister aux rendez-vous médicaux." } }, { "@type": "Question", "name": "Comment sensibiliser à l'importance du don ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des campagnes médiatiques et des témoignages de receveurs peuvent sensibiliser le public." } }, { "@type": "Question", "name": "Quels traitements sont nécessaires après une transplantation ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Immunosuppresseurs, suivi médical régulier et gestion des effets secondaires sont essentiels." } }, { "@type": "Question", "name": "Comment prévenir le rejet d'organe ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "L'utilisation d'immunosuppresseurs et un suivi régulier aident à prévenir le rejet." } }, { "@type": "Question", "name": "Quels sont les traitements pour les complications ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Les complications peuvent nécessiter des médicaments, des interventions chirurgicales ou des soins intensifs." } }, { "@type": "Question", "name": "Comment gérer les effets secondaires des médicaments ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi régulier et des ajustements de dosage aident à gérer les effets secondaires." } }, { "@type": "Question", "name": "Quels sont les traitements pour les infections post-transplantation ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Antibiotiques et antiviraux sont souvent utilisés pour traiter les infections." } }, { "@type": "Question", "name": "Quelles sont les complications possibles après une transplantation ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Rejet, infections, complications vasculaires et problèmes de fonction de l'organe transplanté." } }, { "@type": "Question", "name": "Comment gérer le rejet aigu ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Le rejet aigu nécessite souvent des ajustements de médicaments immunosuppresseurs." } }, { "@type": "Question", "name": "Quels sont les signes d'une infection grave ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Fièvre élevée, détérioration rapide de l'état général et symptômes respiratoires sévères." } }, { "@type": "Question", "name": "Quelles complications cardiovasculaires peuvent survenir ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les receveurs peuvent développer une hypertension, une athérosclérose ou des troubles du rythme." } }, { "@type": "Question", "name": "Comment prévenir les complications à long terme ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi régulier, une bonne observance des traitements et un mode de vie sain sont cruciaux." } }, { "@type": "Question", "name": "Quels facteurs augmentent le besoin de transplantation ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Maladies chroniques, accidents, infections graves et cancers augmentent le besoin." } }, { "@type": "Question", "name": "Comment l'âge influence-t-il le don d'organes ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "L'âge avancé peut affecter la qualité des organes et la décision de don." } }, { "@type": "Question", "name": "Quels comportements augmentent les risques de maladies ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Tabagisme, alcoolisme, obésité et sédentarité augmentent les risques de maladies nécessitant un don." } }, { "@type": "Question", "name": "Comment les antécédents familiaux influencent-ils le risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Des antécédents familiaux de maladies héréditaires peuvent augmenter le risque de défaillance d'organe." } }, { "@type": "Question", "name": "Quels facteurs socio-économiques influencent le don ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "L'accès aux soins, l'éducation et la sensibilisation peuvent influencer les taux de don." } } ] } ] }

Sources (10000 au total)

A diffusion tensor imaging analysis of white matter microstructures in non-operated craniosynostosis patients.

In 7 to 15-year-old operated syndromic craniosynostosis patients, we have shown the presence of microstructural anomalies in brain white matter by using DTI. To learn more about the cause of these ano... DTI datasets of 51 non-operated patients with syndromic craniosynostosis with a median [IQR] age of 0.40 [0.25] years were compared with 17 control subjects with a median of 1.20 [0.85] years. Major w... ʎ... Syndromic craniosynostosis shows not to be a significant factor influencing the major white matter tracts. Enlargement of the ventricles show to be a significant factor on radial diffusivity in the tr... MEC-2014-461....

High-resolution hippocampal diffusion tensor imaging of mesial temporal sclerosis in refractory epilepsy.

We explore the possibility of using diffusion tensor imaging (DTI) and neurite orientation dispersion and density imaging (NODDI) to discern microstructural abnormalities in the hippocampus indicative... We analyzed data from 57 patients with refractory epilepsy who previously underwent 3.0-T magnetic resonance imaging (MRI) including DTI as a standard part of presurgical workup. We collected informat... By examining diffusion characteristics among subfields in the final diagnostic categories, we found lower orientation dispersion indices and elevated axial diffusivity in the dentate gyrus in MTS comp... The results suggest that diffusion metric analysis at the subfield level, especially in dentate gyrus and CA1, maybe useful for clinical confirmation of MTS....

Grading meningiomas with diffusion metrics: a comparison between diffusion kurtosis, mean apparent propagator, neurite orientation dispersion and density, and diffusion tensor imaging.

To compare the histogram features of multiple diffusion metrics in predicting the grade and cellular proliferation of meningiomas.... Diffusion spectrum imaging was performed in 122 meningiomas (30 males, 13-84 years), which were divided into 31 high-grade meningiomas (HGMs, grades 2 and 3) and 91 low-grade meningiomas (LGMs, grade ... The DKI_AK (axial kurtosis) maximum, DKI_AK range, MAP_RTPP (return-to-plane probability) maximum, MAP_RTPP range, NODDI_ICVF (intracellular volume fraction) range, and NODDI_ICVF maximum values were ... Whole tumour histogram analyses of the multiple diffusion metrics from four diffusion models are promising methods in grading meningiomas. The DTI model has similar diagnostic performance compared wit... • Whole tumour histogram analyses of multiple diffusion models are feasible for grading meningiomas. • The DKI, MAP, and NODDI metrics are weakly associated with the Ki-67 proliferation status. • DTI ...

Diffusion tensor and kurtosis imaging reveal microstructural changes in the trigeminal nerves of patients with trigeminal neuralgia.

To evaluate the use of diffusion tensor imaging (DTI) and diffusion kurtosis imaging (DKI) for detection of microstructural changes in the trigeminal nerves of trigeminal neuralgia (TN) patients.... Forty TN patients and 40 healthy controls were examined using 3 T magnetic resonance imaging (MRI) to evaluate DTI and DKI parameters in trigeminal nerves. One-way ANOVA was used to test the differenc... Compared to the unaffected sides and controls, the FA, MK, and Kr of the affected sides of TN patients were significantly reduced, while ADC was significantly increased (p < 0.05). The diagnostic effi... DTI and DKI allowed detection of microstructural changes in TN-affected trigeminal nerves. FA DR was the best independent predictor of microstructural changes in TN.... Both DTI and DKI can be used for noninvasive quantitative evaluation of the changes in the microstructure of the cisternal segment of the cranial nerves in clinical practice.... • Diffusion tensor imaging (DTI) can be used to evaluate the in vivo integrity of white matter and nerve fiber pathway. • Diffusion kurtosis imaging (DKI) has been shown to be considerable sensitive t...