Titre : Chimérisme

Chimérisme : Questions médicales fréquentes

Termes MeSH sélectionnés :

Cognitive Dysfunction
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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=Cognitive+Dysfunction&page=3#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=Cognitive+Dysfunction&page=3#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=Cognitive+Dysfunction&page=3#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=Cognitive+Dysfunction&page=3#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=Cognitive+Dysfunction&page=3#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=Cognitive+Dysfunction&page=3#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)

Predictors of cognitive dysfunction in hereditary transthyretin amyloidosis with liver transplant.

Cognitive dysfunction is part of the broad spectrum of clinical manifestations in older untreated hereditary transthyretin amyloidosis patients with peripheral polyneuropathy.... The objective of this study is to systematically explore cognitive dysfunction in ATTRV30M amyloidosis patients whose disease course was modified by liver transplant (LT).... A series of 269 carriers of TTRVal30Met mutation treated with LT underwent a neuropsychological assessment. Clinical charts were reviewed to identify focal neurological episodes (FNEs), cognitive comp... Cognitive dysfunction was identified in 35 patients (13%)-14 (5%) had mild and 21 (8%) had moderate dysfunction. In comparison to normal cognition, both mild and moderate cognitive dysfunction patient... Consistent with the natural history of the disease, older age and higher severity of the disease are significantly associated and potentially predictors of cognitive dysfunction in ATTRV30M patients t...

Risk factors for cognitive dysfunction amongst patients with cardiovascular diseases.

The impact of cardiovascular diseases on cognition raises important research questions. The study aimed to investigate the relationship between demographic data, cardiovascular diseases, kidney diseas... A cross-sectional study of patients with cardiovascular diseases was performed. The Montreal Cognitive Assessment (MoCA) was applied for cognitive evaluation. Based on MoCA three groups were defined: ... Of 628 patients, 55.2% had mild CD, and the mean age was 67.95 (SD 9.53) years. Cα and Mω were 0.7, indicating good internal consistency. We found a moderate positive correlation between depression an... Mild CD was the most common in patients with cardiovascular diseases. Older age, lower education, being a non-smoker, and renal dysfunction were risk factors for both mild and advanced CD. Female gend...

Predictors of cognitive dysfunction one-year post COVID-19.

(a) To characterize the frequency of objective cognitive deficits and self-perceived cognitive difficulties and (b) to explore demographic and clinical predictors of cognitive dysfunction and cognitiv... One hundred and ten adults diagnosed with COVID-19 between March and November 2020, aged ≤ 74 years underwent a brief neuropsychological evaluation 12 months after infection, which included: Brief Vis... Twenty participants (18.2%) had cognitive dysfunction and 36 (33.3%) had cognitive complaints. Cognitive dysfunction was related to lower education, preinfection history of headache/migraine, and acut... A subset of individuals develops cognitive difficulties in the context of post-COVID syndrome. Results may support the protective effect of education, a known proxy of cognitive reserve. COVID-19 infe...

Cognitive Dysfunction Biomarkers in Patients With Rheumatoid Arthritis: A Systematic Review.

During the last years, a growing number of studies have investigated the link between cognitive dysfunction and rheumatoid arthritis (RA), highlighting the potential pathogenic role of several clinica... We performed a systematic review using PRISMA (Preferred Reported Items for Systematic Reviews and Meta-analysis) protocol. A systematic search was conducted in the PubMed/MEDLINE, EMBASE, LILACS, Sco... Five original studies were included, which provided data from 428 participants. Among plasma proteins, SHH was increased and TTR was reduced in patients with mild cognitive impairment; anti-myelin bas... Despite the relative scarcity of studies on this subject and the heterogeneity of results, we identified possible biomarkers for cognitive deficits in the RA population. Further longitudinal studies a...

Endothelial Dysfunction and Pre-Existing Cognitive Disorders in Stroke Patients.

The origin of pre-existing cognitive impairment in stroke patients remains controversial, with a vascular or a degenerative hypothesis.... To determine whether endothelial dysfunction is associated with pre-existing cognitive problems, lesion load and biological anomalies in stroke patients.... Patients originated from the prospective STROKDEM study. The baseline cognitive state, assessed using the IQ-CODE, and risk factors for stroke were recorded at inclusion. Patients with an IQ-CODE scor... A total of 86 patients were included (52 males; mean age 63.5 ± 11.5 years). Patients with abnormal RHI have hypertension or antihypertensive treatment more often. The baseline IQ-CODE was abnormal in... A vascular mechanism may be responsible for cognitive problems pre-existing stroke. The measurement of endothelial dysfunction after stroke could become an important element of follow-up, providing an...

Cognitive Dysfunction in Heart Failure: Pathophysiology and Implications for Patient Management.

There is increasing recognition of the prevalence and impact of cognitive dysfunction (CD) in heart failure (HF) patients. This contemporary review appraises the evidence for epidemiological associati... CD disproportionately affects heart failure patients, even accounting for known comorbid risk factors, and this may extend to subclinical left ventricular dysfunction. Neuroimaging studies now provide...

Frequency and risk factors for cognitive dysfunction in peritoneal dialysis patients.

There is limited data on cognition in patients undergoing peritoneal dialysis (PD). We assessed prevalence and associated risk factors of neurocognitive impairment (NCI) in PD patients.... A cross-sectional cohort study of 149 PD patients at a single centre between 2016 and 2020 who underwent neurocognitive screening at defined intervals by Addenbrooke's Cognitive Examination - Revised ... Patients on PD performed poorly in ACE-R screening compared to population norms, with discrepancy in all cognitive domains. In patients without CVD, attention and language domains were comparable to n... Patients on PD have higher prevalence of NCI than the general population, primarily with impairments in memory, fluency and visuospatial reasoning. CVD confers poorer performance in attention and lang...