Titre : Cortex visuel

Cortex visuel : Questions médicales fréquentes

Termes MeSH sélectionnés :

Prognosis
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lésions cérébrales ?\nComment l'âge influence-t-il les troubles visuels ?\nQuels rôles jouent les antécédents familiaux ?\nComment le diabète affecte-t-il la vision ?\nQuels comportements augmentent le risque de migraines ?", "url": "https://questionsmedicales.fr/mesh/D014793?mesh_terms=Prognosis&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une lésion du cortex visuel ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un examen neurologique et des imageries cérébrales comme l'IRM sont utilisés." } }, { "@type": "Question", "name": "Quels tests évaluent la fonction visuelle ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de champ visuel et d'acuité visuelle sont couramment utilisés." } }, { "@type": "Question", "name": "Quels signes indiquent une dysfonction du cortex visuel ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des troubles de la perception visuelle, comme l'agnosie, peuvent indiquer une dysfonction." } }, { "@type": "Question", "name": "Quel rôle joue l'électroencéphalogramme (EEG) ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'EEG peut aider à détecter des anomalies électriques liées à des troubles visuels." } }, { "@type": "Question", "name": "Comment évaluer la vision des couleurs ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des tests spécifiques comme le test de Ishihara sont utilisés pour évaluer la vision des couleurs." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une lésion du cortex visuel ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des troubles de la vision, des hallucinations visuelles et des difficultés de reconnaissance." } }, { "@type": "Question", "name": "Comment se manifeste l'agnosie visuelle ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "L'agnosie visuelle se manifeste par l'incapacité de reconnaître des objets malgré une vision intacte." } }, { "@type": "Question", "name": "Qu'est-ce que l'hémianopsie ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "L'hémianopsie est une perte de vision dans une moitié du champ visuel, souvent due à des lésions cérébrales." } }, { "@type": "Question", "name": "Quels troubles peuvent affecter la perception des mouvements ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des troubles comme la simultagnosie peuvent affecter la perception des mouvements et des objets." } }, { "@type": "Question", "name": "Quels symptômes indiquent une migraine occulaire ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des troubles visuels temporaires, comme des éclairs lumineux ou des taches." } }, { "@type": "Question", "name": "Comment prévenir les lésions cérébrales ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les traumatismes crâniens, adopter un mode de vie sain et contrôler les maladies vasculaires." } }, { "@type": "Question", "name": "Quels examens réguliers sont recommandés ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des examens ophtalmologiques réguliers peuvent aider à détecter précocement des troubles visuels." } }, { "@type": "Question", "name": "Comment réduire le risque de migraines ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les déclencheurs connus, gérer le stress et maintenir une bonne hydratation peuvent aider." } }, { "@type": "Question", "name": "Quels conseils pour protéger la santé oculaire ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Porter des lunettes de soleil, éviter les écrans excessifs et avoir une alimentation équilibrée." } }, { "@type": "Question", "name": "Comment gérer le stress pour prévenir les troubles visuels ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des techniques de relaxation comme le yoga et la méditation peuvent aider à réduire le stress." } }, { "@type": "Question", "name": "Quels traitements existent pour les troubles visuels ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent la rééducation visuelle, la thérapie occupationnelle et parfois des médicaments." } }, { "@type": "Question", "name": "Comment traiter l'agnosie visuelle ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "La thérapie cognitive et des exercices de reconnaissance peuvent aider à traiter l'agnosie." } }, { "@type": "Question", "name": "Quels médicaments peuvent aider les migraines visuelles ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme les triptans et les anti-inflammatoires peuvent soulager les migraines." } }, { "@type": "Question", "name": "Comment la rééducation visuelle fonctionne-t-elle ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "La rééducation visuelle utilise des exercices pour améliorer la perception et la reconnaissance visuelle." } }, { "@type": "Question", "name": "Quels sont les traitements pour l'hémianopsie ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des stratégies de compensation et des exercices de champ visuel peuvent aider à gérer l'hémianopsie." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir après une lésion du cortex visuel ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des troubles cognitifs, des problèmes de coordination et des difficultés d'apprentissage." } }, { "@type": "Question", "name": "Comment l'hémianopsie affecte-t-elle la vie quotidienne ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "L'hémianopsie peut compliquer la conduite, la lecture et d'autres activités nécessitant une vision complète." } }, { "@type": "Question", "name": "Quels risques sont associés à l'agnosie visuelle ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "L'agnosie peut entraîner des difficultés dans les interactions sociales et des problèmes d'autonomie." } }, { "@type": "Question", "name": "Quelles sont les conséquences des migraines fréquentes ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Des migraines fréquentes peuvent entraîner des troubles de l'humeur, de l'anxiété et des absences au travail." } }, { "@type": "Question", "name": "Comment les troubles visuels peuvent-ils affecter l'éducation ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les troubles visuels peuvent nuire à l'apprentissage, nécessitant des adaptations scolaires spécifiques." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de lésions cérébrales ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les traumatismes crâniens, les AVC et les maladies neurodégénératives augmentent le risque." } }, { "@type": "Question", "name": "Comment l'âge influence-t-il les troubles visuels ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le vieillissement peut entraîner une dégénérescence des cellules nerveuses et des troubles visuels." } }, { "@type": "Question", "name": "Quels rôles jouent les antécédents familiaux ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents familiaux de troubles neurologiques peuvent augmenter le risque de dysfonction visuelle." } }, { "@type": "Question", "name": "Comment le diabète affecte-t-il la vision ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Le diabète peut entraîner des complications oculaires comme la rétinopathie diabétique, affectant la vision." } }, { "@type": "Question", "name": "Quels comportements augmentent le risque de migraines ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Le stress, le manque de sommeil et une mauvaise alimentation peuvent déclencher des migraines." } } ] } ] }

Sources (10000 au total)

Impact of signs and symptoms on the prognosis of patients with HFmrEF.

Worsening of heart failure (HF) symptoms is the leading cause of medical contact and hospitalization of patients with mildly reduced ejection fraction (HFmrEF). The prognostic value of signs and sympt... A Cox proportional risk regression model analyzed the relationship between the number of signs/symptoms and outcomes in 1691 hospitalized HFmrEF patients. Ten significant signs and symptoms were inclu... After a median follow-up of 33 months, all-cause mortality occurred in 457 patients and CV events occurred in 977 patients. Incidence of all-cause mortality was 20.7%, 32.3%* and 49.4%*† in group A, B... Higher number of symptoms and signs is associated with increased risk of all-cause mortality and CV events in HFmrEF patients. Our results highlight the prognostic importance of careful inquiry on HF ...

Prognosis in home dental bleaching: a systematic review.

The aim of this systematic review was to evaluate the prognosis of at-home dental bleaching using low concentration bleaching products.... This review was conducted was performed following the recommendations of the 2020 PRISMA statement and was registered in the International Prospective Register of Systematic Reviews (PROSPERO-CRD42022... The database search led to the retrieval of 225 articles. After elimination of duplicate references, the titles and abstracts of the articles were analyzed with respect to the eligibility criteria, an... Most authors state that the color remains stable between 1 and 2.5 years regardless of the type of bleaching agent or the forms of administration, and color stability in cases of severe discolorations... Given the growing demand for dental cosmetic treatments, the following systematic review may aid the clinician's continuing education and evidence-based practice by providing knowledge on the field of...

Model for predicting prognosis and immunotherapy based on CD

Neuroblastoma (NBL) is an extracranial malignant tumor in children deriving from the neural crest in the sympathetic nervous system. Although various immunotherapy interventions have made significant ... In this study, we utilized multidimensional bioinformatic methods to establish a risk model based on CD8... We obtained 33 CD8... According to our analyses, the constructed CD8...

Sarcopenia in cirrhosis: epidemiology, diagnosis, management and prognosis.

With the development of many international guidelines, research on sarcopenia has increased rapidly, showing that sarcopenia is predictive of adverse outcomes, including increased mortality and impair... Sarcopenia is a frequent and lethal complication of cirrhosis. Currently, abdominal computed tomography imaging is the most commonly used method to diagnose sarcopenia. In clinical practice, assessing... A global consensus is needed on the definition and operational parameters for the diagnosis of sarcopenia. Further research should focus on developing standardized screening, management and treatment ...

A nomogram model to predict prognosis of patients with hepatoblastoma.

Hepatoblastomas (HBs) are malignant liver tumors that most commonly develop in pediatric patients. Microvascular invasion may be a prognosis factor for patients with HBs. This study aimed to construct... We retrospectively analyzed the clinical data of 311 patients with HBs who underwent surgical resection at our institution between June 2014 and August 2021. First, patients were divided into two grou... Multivariate analysis suggested that age, histology type, microvascular invasion, multifocality, distant metastasis, and macrovascular involvement are independent prognostic factors for HBs. The nomog... By combining preoperative imaging results and other clinical data, we established a nomogram to predict OS probability for patients with HB, which could be a potential tool to guide personalized treat...

Potentials of circSOBP in the diagnosis and prognosis of gastric cancer.

Gastric cancer (GC) causes no symptoms at early stages. However, with the progression, GC causes symptoms mimicking normal gastrointestinal issues, such as irritable bowel syndrome (IBS), gastroesopha... Plasma samples were collected from GC patients (... Decreased circSOBP RNA accumulation was observed in GC tissues compared to normal tissue samples. Decreased plasma circSOBP accumulation was only observed in GC patients, but not other patients, compa... Decreased circSOBP accumulation may be applied in clinical practice to improve the diagnosis and prognosis of GC....