Titre : Chimérisme

Chimérisme : Questions médicales fréquentes

Termes MeSH sélectionnés :

Problem Behavior
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"@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Chimérisme", "description": "Comment diagnostiquer le chimérisme ?\nQuels tests sont utilisés pour le chimérisme ?\nLe chimérisme peut-il être détecté par échographie ?\nQuels signes cliniques peuvent indiquer un chimérisme ?\nLe chimérisme est-il héréditaire ?", "url": "https://questionsmedicales.fr/mesh/D046528?mesh_terms=Problem+Behavior&page=997#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Chimérisme", "description": "Quels sont les symptômes du chimérisme ?\nLe chimérisme cause-t-il des douleurs ?\nPeut-on avoir des symptômes sans chimérisme ?\nLe chimérisme affecte-t-il la croissance ?\nY a-t-il des symptômes spécifiques au chimérisme ?", "url": "https://questionsmedicales.fr/mesh/D046528?mesh_terms=Problem+Behavior&page=997#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Chimérisme", "description": "Peut-on prévenir le chimérisme ?\nY a-t-il des facteurs de risque pour le chimérisme ?\nLes tests prénataux peuvent-ils détecter le chimérisme ?\nLe chimérisme est-il lié à des pratiques médicales ?\nLes femmes enceintes doivent-elles se méfier du chimérisme ?", "url": "https://questionsmedicales.fr/mesh/D046528?mesh_terms=Problem+Behavior&page=997#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Chimérisme", "description": "Comment traiter le chimérisme ?\nLe chimérisme nécessite-t-il une intervention chirurgicale ?\nLes médicaments peuvent-ils aider au chimérisme ?\nY a-t-il des traitements naturels pour le chimérisme ?\nLe suivi médical est-il nécessaire pour le chimérisme ?", "url": "https://questionsmedicales.fr/mesh/D046528?mesh_terms=Problem+Behavior&page=997#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Chimérisme", "description": "Quelles complications peuvent survenir avec le chimérisme ?\nLe chimérisme peut-il causer des cancers ?\nComment gérer les complications du chimérisme ?\nLe chimérisme affecte-t-il le système immunitaire ?\nY a-t-il des risques de rejet avec le chimérisme ?", "url": "https://questionsmedicales.fr/mesh/D046528?mesh_terms=Problem+Behavior&page=997#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Chimérisme", "description": "Quels sont les facteurs de risque du chimérisme ?\nLe chimérisme est-il plus fréquent chez certaines populations ?\nLes greffes augmentent-elles le risque de chimérisme ?\nLes antécédents médicaux influencent-ils le chimérisme ?\nLe chimérisme est-il lié à des facteurs environnementaux ?", "url": "https://questionsmedicales.fr/mesh/D046528?mesh_terms=Problem+Behavior&page=997#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer le chimérisme ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic se fait par analyse génétique, notamment par PCR ou séquençage." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour le chimérisme ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests incluent l'analyse de l'ADN, les tests de compatibilité tissulaire et les marqueurs génétiques." } }, { "@type": "Question", "name": "Le chimérisme peut-il être détecté par échographie ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, l'échographie ne peut pas détecter le chimérisme, seul un test génétique est fiable." } }, { "@type": "Question", "name": "Quels signes cliniques peuvent indiquer un chimérisme ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des signes cliniques peuvent inclure des anomalies immunitaires ou des différences phénotypiques." } }, { "@type": "Question", "name": "Le chimérisme est-il héréditaire ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Non, le chimérisme n'est généralement pas héréditaire, il résulte d'événements embryonnaires." } }, { "@type": "Question", "name": "Quels sont les symptômes du chimérisme ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes varient, mais peuvent inclure des anomalies cutanées ou des troubles immunitaires." } }, { "@type": "Question", "name": "Le chimérisme cause-t-il des douleurs ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Le chimérisme en soi ne cause pas de douleurs, mais des complications peuvent en entraîner." } }, { "@type": "Question", "name": "Peut-on avoir des symptômes sans chimérisme ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, de nombreux symptômes peuvent être causés par d'autres conditions médicales." } }, { "@type": "Question", "name": "Le chimérisme affecte-t-il la croissance ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Il peut affecter la croissance si des anomalies génétiques ou hormonales sont présentes." } }, { "@type": "Question", "name": "Y a-t-il des symptômes spécifiques au chimérisme ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des différences de pigmentation ou des anomalies immunitaires peuvent être spécifiques." } }, { "@type": "Question", "name": "Peut-on prévenir le chimérisme ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Le chimérisme ne peut pas être prévenu car il résulte d'événements embryonnaires." } }, { "@type": "Question", "name": "Y a-t-il des facteurs de risque pour le chimérisme ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs de risque incluent des grossesses multiples ou des transfusions sanguines." } }, { "@type": "Question", "name": "Les tests prénataux peuvent-ils détecter le chimérisme ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Les tests prénataux standard ne détectent pas le chimérisme, des tests génétiques spécifiques sont nécessaires." } }, { "@type": "Question", "name": "Le chimérisme est-il lié à des pratiques médicales ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines pratiques comme les greffes peuvent augmenter le risque de chimérisme." } }, { "@type": "Question", "name": "Les femmes enceintes doivent-elles se méfier du chimérisme ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Il n'y a pas de mesures préventives spécifiques pour les femmes enceintes concernant le chimérisme." } }, { "@type": "Question", "name": "Comment traiter le chimérisme ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement dépend des symptômes et peut inclure des thérapies immunosuppressives." } }, { "@type": "Question", "name": "Le chimérisme nécessite-t-il une intervention chirurgicale ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Rarement, sauf si des complications graves nécessitent une intervention spécifique." } }, { "@type": "Question", "name": "Les médicaments peuvent-ils aider au chimérisme ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des médicaments immunosuppresseurs peuvent être prescrits pour gérer les symptômes." } }, { "@type": "Question", "name": "Y a-t-il des traitements naturels pour le chimérisme ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de traitements naturels prouvés pour le chimérisme, consultez un médecin." } }, { "@type": "Question", "name": "Le suivi médical est-il nécessaire pour le chimérisme ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un suivi régulier est essentiel pour surveiller les complications potentielles." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec le chimérisme ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des troubles immunitaires, des rejets de greffe ou des cancers." } }, { "@type": "Question", "name": "Le chimérisme peut-il causer des cancers ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines formes de chimérisme peuvent augmenter le risque de cancers spécifiques." } }, { "@type": "Question", "name": "Comment gérer les complications du chimérisme ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "La gestion implique un suivi médical régulier et des traitements adaptés aux symptômes." } }, { "@type": "Question", "name": "Le chimérisme affecte-t-il le système immunitaire ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le chimérisme peut entraîner des dysfonctionnements du système immunitaire." } }, { "@type": "Question", "name": "Y a-t-il des risques de rejet avec le chimérisme ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le rejet peut survenir si des cellules étrangères sont reconnues par le système immunitaire." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque du chimérisme ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les grossesses multiples et les transfusions sanguines sont des facteurs de risque connus." } }, { "@type": "Question", "name": "Le chimérisme est-il plus fréquent chez certaines populations ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Il n'y a pas de données précises, mais les grossesses multiples peuvent augmenter le risque." } }, { "@type": "Question", "name": "Les greffes augmentent-elles le risque de chimérisme ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les greffes d'organes peuvent introduire des cellules étrangères, entraînant un chimérisme." } }, { "@type": "Question", "name": "Les antécédents médicaux influencent-ils le chimérisme ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents de transfusions ou de greffes peuvent augmenter le risque de chimérisme." } }, { "@type": "Question", "name": "Le chimérisme est-il lié à des facteurs environnementaux ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Actuellement, il n'existe pas de preuves solides liant le chimérisme à des facteurs environnementaux." } } ] } ] }

Sources (10000 au total)

Sleep and circadian rhythm disruptions in behavioral variant frontotemporal dementia.

Sleep and rest-activity rhythm alterations are common in neurodegenerative diseases. However, their characterization in patients with behavioral variant frontotemporal dementia (bvFTD) has proven elus... Twenty-seven bvFTD patients and 25 healthy controls completed sleep questionnaires and underwent 7 days of actigraphy while concurrently maintaining a sleep diary. Cortical complexity and thickness we... Compared to controls, bvFTD patients showed longer time in bed (95% confidence interval [CI]: 79.31, 321.83) and total sleep time (95% CI: 24.38, 321.88), lower sleep efficiency (95% CI: -12.58, -95.5... Patients with bvFTD showed longer sleep duration, lower sleep quality, and rest-activity rhythm alterations. Actigraphy could serve as a cost-effective and accessible tool for ecologically monitoring ... We assessed sleep and circadian rhythms in behavioral variant frontotemporal dementia (bvFTD) using actigraphy. Patients with bvFTD show increased sleep duration and reduced sleep quality. Patients wi...

Statistical learning in epilepsy: Behavioral and anatomical mechanisms in the human brain.

Statistical learning, the fundamental cognitive ability of humans to extract regularities across experiences over time, engages the medial temporal lobe (MTL) in the healthy brain. This leads to the h... We implemented behavioral testing, volumetric analysis of the MTL substructures, and direct electrical brain stimulation to examine SL across a cohort of 61 PWE and 28 healthy controls.... We found that behavioral performance in an SL task was negatively associated with seizure frequency irrespective of seizure origin. The volume of hippocampal subfields CA1 and CA2/3 correlated with SL... Overall, these results suggest that SL may be hippocampally dependent and that the SL task could serve as a clinically useful behavioral assay of seizure frequency that may complement existing approac...

A study into the nature and extent of polydrug use in driving recidivism behavior.

Polydrug use has become a frequent pattern of drug consumption in Europe, and this is considered a particularly dangerous risk factor for impaired driving. In Italy, persons whose license has been rev... We report the findings of several years' experience at the forensic toxicology laboratory of the University of Macerata. Hair samples collected over a 7-year period by the CML from drug users were ana... Three hundred thirty-five of the tested subjects were recidivists. Recidivism was more frequent among monodrug users (81%) compared with polydrug users (19%), but logistic regression showed that polyd... Our results show that polydrug use increases the risk of impaired driving recidivism and represents a considerable threat to road safety....

Prevalence of lifestyle-related behavioral information in claims data in the U.S.

Given their association with varying health risks, lifestyle-related behaviors are essential to consider in population-level disease prevention. Health insurance claims are a key source of information... We conducted a retrospective, descriptive analysis to determine the availability of the following claims-derived lifestyle domains: nutrition, eating habits, physical activity, weight status, emotiona... Approximately half of all members within the sample had claims information that identified at least one lifestyle domain (2016 = 41.9%; 2017 = 46.1%; 2018 = 49.6%; 2019 = 52.5%; 2020 = 50.6% of patien... Our study demonstrates the feasibility of using claims data to identify key lifestyle behaviors. Additional research is needed to confirm the accuracy and validity of our approach and determine its us...

Behavioral and histological assessment of a novel treatment of neuroHIV in humanized mice.

Neurocognitive deficits are prevalent among people living with HIV, likely due to chronic inflammation and oxidative stress in the brain. To date, no pharmaceutical treatments beyond antiretroviral th... We conducted three studies to assess the efficacy of CDDO-Me alone or in combination with antiretroviral therapy in humanized mice infected with HIV; behavioral, histopathological, and immunohistochem... CDDO-Me in combination with ARV rescued social interaction deficits; however, only ARV was associated with preserved functioning in other behaviors, and CDDO-Me may have attenuated those benefits. A m... Limited benefit of CDDO-Me on behavior and neuroprotection were observed. Instead, ARV was shown to be the more beneficial treatment. These experiments support the future use of this chimeric mouse fo...