Titre : Érythropoïèse

Érythropoïèse : Questions médicales fréquentes

Termes MeSH sélectionnés :

Visual Acuity
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évaluer la moelle osseuse pour l'érythropoïèse ?\nQuel rôle joue l'érythropoïétine dans le diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D004920?mesh_terms=Visual+Acuity&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Érythropoïèse", "description": "Quels sont les symptômes d'une érythropoïèse déficiente ?\nComment l'anémie affecte-t-elle l'érythropoïèse ?\nQuels signes cliniques sont associés à l'érythropoïèse ?\nL'érythropoïèse affecte-t-elle la circulation sanguine ?\nQuels symptômes peuvent indiquer une surproduction de globules rouges ?", "url": "https://questionsmedicales.fr/mesh/D004920?mesh_terms=Visual+Acuity&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Érythropoïèse", "description": "Comment prévenir l'anémie liée à l'érythropoïèse ?\nQuels conseils nutritionnels pour soutenir l'érythropoïèse ?\nComment éviter les carences nutritionnelles ?\nQuels sont les risques d'une érythropoïèse excessive ?\nComment surveiller l'érythropoïèse chez les patients à risque ?", "url": "https://questionsmedicales.fr/mesh/D004920?mesh_terms=Visual+Acuity&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Érythropoïèse", "description": "Quels traitements sont disponibles pour l'anémie ?\nComment l'érythropoïétine est-elle utilisée en thérapie ?\nQuels médicaments peuvent affecter l'érythropoïèse ?\nQuelles sont les options pour l'érythropoïèse excessive ?\nComment traiter une carence en vitamine B12 liée à l'érythropoïèse ?", "url": "https://questionsmedicales.fr/mesh/D004920?mesh_terms=Visual+Acuity&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Érythropoïèse", "description": "Quelles complications peuvent survenir avec une érythropoïèse altérée ?\nComment l'érythropoïèse excessive peut-elle affecter la santé ?\nQuels risques sont associés à une érythropoïèse insuffisante ?\nComment l'érythropoïèse affecte-t-elle le système immunitaire ?\nQuelles sont les complications à long terme d'une érythropoïèse déficiente ?", "url": "https://questionsmedicales.fr/mesh/D004920?mesh_terms=Visual+Acuity&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Érythropoïèse", "description": "Quels facteurs augmentent le risque d'anémie ?\nComment les maladies rénales affectent-elles l'érythropoïèse ?\nQuel rôle joue l'âge dans l'érythropoïèse ?\nQuels sont les risques liés à la grossesse pour l'érythropoïèse ?\nComment le tabagisme influence-t-il l'érythropoïèse ?", "url": "https://questionsmedicales.fr/mesh/D004920?mesh_terms=Visual+Acuity&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une anémie par érythropoïèse insuffisante ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un bilan sanguin révèle une faible concentration de globules rouges et d'hémoglobine." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer l'érythropoïèse ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests incluent la numération globulaire complète et les niveaux d'érythropoïétine." } }, { "@type": "Question", "name": "Quels signes indiquent une érythropoïèse altérée ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des signes incluent fatigue, pâleur et essoufflement lors d'efforts physiques." } }, { "@type": "Question", "name": "Comment évaluer la moelle osseuse pour l'érythropoïèse ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Une biopsie de moelle osseuse permet d'analyser la production de globules rouges." } }, { "@type": "Question", "name": "Quel rôle joue l'érythropoïétine dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'érythropoïétine stimule la production de globules rouges, son dosage aide au diagnostic." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une érythropoïèse déficiente ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fatigue, faiblesse, palpitations et essoufflement." } }, { "@type": "Question", "name": "Comment l'anémie affecte-t-elle l'érythropoïèse ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "L'anémie peut résulter d'une érythropoïèse insuffisante, entraînant une diminution des globules rouges." } }, { "@type": "Question", "name": "Quels signes cliniques sont associés à l'érythropoïèse ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes comme la pâleur de la peau et des muqueuses peuvent être observés." } }, { "@type": "Question", "name": "L'érythropoïèse affecte-t-elle la circulation sanguine ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une érythropoïèse altérée peut entraîner une mauvaise oxygénation des tissus." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une surproduction de globules rouges ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme des maux de tête, des vertiges et une hypertension peuvent survenir." } }, { "@type": "Question", "name": "Comment prévenir l'anémie liée à l'érythropoïèse ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée riche en fer et en vitamines est essentielle pour prévenir l'anémie." } }, { "@type": "Question", "name": "Quels conseils nutritionnels pour soutenir l'érythropoïèse ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Consommer des aliments riches en fer, vitamine B12 et acide folique favorise l'érythropoïèse." } }, { "@type": "Question", "name": "Comment éviter les carences nutritionnelles ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation variée et des contrôles réguliers des niveaux de nutriments aident à prévenir les carences." } }, { "@type": "Question", "name": "Quels sont les risques d'une érythropoïèse excessive ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "L'érythropoïèse excessive peut entraîner des complications comme des thromboses et des AVC." } }, { "@type": "Question", "name": "Comment surveiller l'érythropoïèse chez les patients à risque ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des bilans sanguins réguliers permettent de surveiller l'érythropoïèse chez les patients à risque." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour l'anémie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent des suppléments de fer, des transfusions sanguines et des érythropoïétines." } }, { "@type": "Question", "name": "Comment l'érythropoïétine est-elle utilisée en thérapie ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "L'érythropoïétine est administrée pour stimuler la production de globules rouges chez les patients anémiques." } }, { "@type": "Question", "name": "Quels médicaments peuvent affecter l'érythropoïèse ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Certains médicaments comme les anti-inflammatoires peuvent inhiber l'érythropoïèse." } }, { "@type": "Question", "name": "Quelles sont les options pour l'érythropoïèse excessive ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des traitements comme la phlébotomie peuvent être utilisés pour réduire le nombre de globules rouges." } }, { "@type": "Question", "name": "Comment traiter une carence en vitamine B12 liée à l'érythropoïèse ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des suppléments de vitamine B12 sont prescrits pour corriger la carence et améliorer l'érythropoïèse." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une érythropoïèse altérée ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent l'anémie, la fatigue chronique et des problèmes cardiaques." } }, { "@type": "Question", "name": "Comment l'érythropoïèse excessive peut-elle affecter la santé ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut entraîner des complications comme des caillots sanguins et des problèmes cardiovasculaires." } }, { "@type": "Question", "name": "Quels risques sont associés à une érythropoïèse insuffisante ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les risques incluent une hypoxie tissulaire, des troubles cognitifs et une diminution de la qualité de vie." } }, { "@type": "Question", "name": "Comment l'érythropoïèse affecte-t-elle le système immunitaire ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Une érythropoïèse altérée peut affaiblir le système immunitaire, augmentant le risque d'infections." } }, { "@type": "Question", "name": "Quelles sont les complications à long terme d'une érythropoïèse déficiente ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les complications à long terme incluent des maladies cardiaques et des troubles métaboliques." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'anémie ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent une mauvaise alimentation, des maladies chroniques et des pertes sanguines." } }, { "@type": "Question", "name": "Comment les maladies rénales affectent-elles l'érythropoïèse ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Les maladies rénales peuvent réduire la production d'érythropoïétine, entraînant une érythropoïèse insuffisante." } }, { "@type": "Question", "name": "Quel rôle joue l'âge dans l'érythropoïèse ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Avec l'âge, la production de globules rouges peut diminuer, augmentant le risque d'anémie." } }, { "@type": "Question", "name": "Quels sont les risques liés à la grossesse pour l'érythropoïèse ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "La grossesse peut entraîner une anémie due à une demande accrue en fer et en nutriments." } }, { "@type": "Question", "name": "Comment le tabagisme influence-t-il l'érythropoïèse ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme peut augmenter le nombre de globules rouges, mais aussi causer des complications respiratoires." } } ] } ] }

Sources (10000 au total)

Prediction of Visual Acuity in Patients With Microbial Keratitis.

The purpose of this study was to predict visual acuity (VA) 90 days after presentation for patients with microbial keratitis (MK) from data at the initial clinical ophthalmic encounter.... Patients with MK were identified in the electronic health record between August 2012 and February 2021. Random forest (RF) models were used to predict 90-day VA < 20/40 [visual impairment (VI)]. Predi... One thousand seven hundred ninety-one patients were identified. The presenting logMAR VA was on average 0.86 (Snellen equivalent and standard deviation = 20/144 ± 12.6 lines) in the affected or worse ... RF modeling yielded good sensitivity and specificity to predict VI at 90 days which could guide clinicians about the risk of poor vision outcomes for patients with MK....

Impact of myopia control spectacle lenses with highly aspherical lenslets on peripheral visual acuity and central visual acuity with peripheral gaze.

Myopia control spectacle lenses with peripheral lenslets are gaining popularity because they are non-invasive and easy to manage, and ongoing clinical trials have shown promising results. This study a... High-contrast (100%) VA was measured at 300 cm and 10 lx. For each test, two lens designs were evaluated in counterbalanced order: a spectacle lens with highly aspherical lenslets (HALs) and a standar... Mean (SD) central VAs with peripheral gaze through the SVL and the HAL lens were 0.08 (0.13) and 0.17 (0.12) logMAR, respectively. The HAL lens reduced central VA with peripheral gaze by 0.10 (0.08) l... Under high-contrast and low-luminance conditions, the HAL lens reduced central VA with peripheral gaze by approximately one line compared with the SVL. The impact on central VA did not vary with gaze ...

Factors Affecting Visual Acuity and Central Visual Function in Glaucoma Patients With Myopia.

To investigate associated factors including structural parameters of myopia and vessel density (VD) using optical coherence tomography angiography (OCT-A) to visual acuity (VA) and central visual func... Retrospective cross-sectional study.... Sixty-five eyes of 60 glaucoma patients with myopia and without media opacity and retinal lesions were included. Both Swedish interactive thresholding algorithm (SITA) 24-2 and 10-2 visual field (VF) ... The worse mean deviation of SITA 24-2, thinner GCIPL thickness, and lower deep peripapillary VD were associated with the presence of central VF damage in glaucoma patients with myopia. Thinner GCIPL t... Decreased VA in glaucoma patients with myopia was associated with lower deep peripapillary VD and papillomacular bundle damage. Lower deep peripapillary VD was independently associated with decreased ...

Measuring recognition visual acuity in young children - testability with the Waterloo Differential Acuity Test (WatDAT).

Visual acuity measurement is important for the detection and monitoring of eye disorders. Developing accurate and sensitive visual acuity tests suitable for young children is therefore desirable.... Recognition or form visual acuity (VA), which is measured with matching in children aged 3 years and up, is more sensitive for detecting visual deficits compared to resolution VA. The Waterloo Differe... Fifty-one typically-developing children aged 12-36 months participated in the study. Data for Patti Pics (PP) and Face targets (FT) were collected for formats with 3, 4 and 5 distractors. The targets ... Of participants aged 18-36 months, 87% could perform the WatDAT PP targets with 3 distractors compared to 68% for the FT, while 48% could perform matching with PP. The testability for FT increased to ... WatDAT testability is higher than matching VA tests. This indicates that the newly developed WatDAT has potential for measuring recognition VA in children 18 months and older....

Agreement between a mobile applet-based visual acuity self-test program and the conventional method for distance and near visual acuity tests.

To investigate the agreement between a mobile applet-based visual acuity (VA) self-test program and the conventional VA tests.... This consecutive case series study included 121 children and adults (242 eyes). Patients were classified into three groups according to age (children, adolescents, and adults). They underwent uncorrec... Correlations among UDVA, DVA with ASC, UNVA, and NVA with ASC between the two methods were significant in all subjects (all p < 0.001). The intraclass correlation coefficient were 0.960, 0.845, 0.960,... There is good agreement between the mobile applet-based VA self-test program and the conventional VA tests. The VA self-test has good practical value especially in the current pandemic, allowing self-...

Evaluation of a visual acuity eHealth tool in patients with cataract.

To validate the Easee web-based tool for the assessment of visual acuity in patients who underwent cataract surgery.... University Eye Clinic Maastricht, Maastricht, the Netherlands.... Prospective method comparison study.... Subjects aged between 18 and 69 years who underwent cataract surgery on 1 or both eyes at the Maastricht University Medical Center+ were eligible to participate in this study. The uncorrected (UDVA) a... 46 subjects with 75 operated eyes were included in this study. The difference of the UDVA between the web-based tool and ETDRS or Snellen was -0.05 ± 0.10 logMAR ( P < .001 [0.15; -0.26]) and -0.04 ± ... The web-based tool was validated for the assessment of visual acuity in patients who underwent cataract surgery and showed clinically acceptable outcomes in up to 88% of patients. Most of the particip...

Early visual intervention, visual function analysis, and grating visual acuity outcomes in children with congenital Zika syndrome.

This study aimed to assess grating visual acuity and functional vision in children with congenital Zika syndrome.... Initial and final grating visual acuity was measured using Teller acuity cards. Cerebral vision impairment standardized tests were used to assess functional vision. Patients were referred to the early... In this study, 10 children were included with an age range of 1-37 months. Eight patients presented with macular atrophic scars. Neuroimaging revealed microcephaly and cerebral abnormalities in all pa... The grating visual acuity test revealed low vision in all children with congenital Zika syndrome. Functional vision evaluation revealed cerebral vision impairment characteristics in all patients, who ...