Titre : Déferoxamine

Déferoxamine : Questions médicales fréquentes

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complications ?\nComment prévenir les complications liées à la surcharge en fer ?\nQuels sont les risques à long terme d'une surcharge en fer ?\nLa déferoxamine peut-elle réduire les complications ?", "url": "https://questionsmedicales.fr/mesh/D003676?page=2#section-complications" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une surcharge en fer ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests sanguins mesurant la ferritine et la saturation en transferrine sont utilisés." } }, { "@type": "Question", "name": "Quels symptômes indiquent une surcharge en fer ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Fatigue, douleurs abdominales, et troubles cardiaques peuvent indiquer une surcharge." } }, { "@type": "Question", "name": "Quels examens sont nécessaires avant un traitement par déferoxamine ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Un bilan sanguin et une évaluation de la fonction hépatique sont essentiels." } }, { "@type": "Question", "name": "Comment évaluer l'efficacité de la déferoxamine ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "On évalue la diminution des niveaux de ferritine et l'amélioration des symptômes." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour surveiller le traitement ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des tests réguliers de ferritine et de fonction hépatique sont recommandés." } }, { "@type": "Question", "name": "Quels sont les effets secondaires de la déferoxamine ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les effets secondaires incluent des réactions allergiques, des troubles visuels et auditifs." } }, { "@type": "Question", "name": "La déferoxamine provoque-t-elle des douleurs ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs au site d'injection et des douleurs abdominales peuvent survenir." } }, { "@type": "Question", "name": "Quels symptômes nécessitent une attention médicale urgente ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes de réaction allergique sévère, comme des difficultés respiratoires, sont urgents." } }, { "@type": "Question", "name": "La déferoxamine affecte-t-elle la vision ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles visuels peuvent survenir, nécessitant une évaluation ophtalmologique." } }, { "@type": "Question", "name": "Quels signes indiquent une surdose de déferoxamine ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme des vertiges, des nausées et des troubles cardiaques peuvent apparaître." } }, { "@type": "Question", "name": "Comment prévenir la surcharge en fer ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les transfusions sanguines inutiles et surveiller les niveaux de fer régulièrement." } }, { "@type": "Question", "name": "Les régimes alimentaires peuvent-ils influencer la surcharge en fer ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, limiter les aliments riches en fer peut aider à prévenir la surcharge." } }, { "@type": "Question", "name": "Les personnes à risque doivent-elles être surveillées ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes à risque de surcharge en fer doivent être surveillées régulièrement." } }, { "@type": "Question", "name": "Quels tests préventifs sont recommandés ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de ferritine et de saturation en transferrine sont recommandés pour le dépistage." } }, { "@type": "Question", "name": "La déferoxamine peut-elle être utilisée préventivement ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Elle est généralement utilisée pour traiter, mais peut être envisagée dans certains cas préventifs." } }, { "@type": "Question", "name": "Comment la déferoxamine est-elle administrée ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Elle est généralement administrée par injection intraveineuse ou sous-cutanée." } }, { "@type": "Question", "name": "Quelle est la durée du traitement par déferoxamine ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "La durée dépend de la gravité de la surcharge en fer, souvent plusieurs mois." } }, { "@type": "Question", "name": "Peut-on combiner déferoxamine avec d'autres traitements ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut être combinée avec d'autres agents chélateurs selon les besoins." } }, { "@type": "Question", "name": "Quels sont les objectifs du traitement par déferoxamine ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Réduire la surcharge en fer et prévenir les complications associées." } }, { "@type": "Question", "name": "La déferoxamine est-elle efficace pour tous les patients ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Son efficacité peut varier selon la cause de la surcharge en fer et la réponse individuelle." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une surcharge en fer ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des maladies cardiaques, des troubles hépatiques et endocriniens." } }, { "@type": "Question", "name": "La déferoxamine peut-elle causer des complications ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des complications comme des réactions allergiques et des troubles rénaux peuvent survenir." } }, { "@type": "Question", "name": "Comment prévenir les complications liées à la surcharge en fer ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un traitement précoce et un suivi régulier des niveaux de fer sont essentiels." } }, { "@type": "Question", "name": "Quels sont les risques à long terme d'une surcharge en fer ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les risques incluent des dommages organiques permanents, notamment au cœur et au foie." } }, { "@type": "Question", "name": "La déferoxamine peut-elle réduire les complications ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle aide à réduire la surcharge en fer et donc à diminuer les complications associées." } } ] } ] }

Sources (103 au total)

High ferritin is associated with liver and bone marrow iron accumulation: Effects of 1-year deferoxamine treatment in hemodialysis-associated iron overload.

Iron (Fe) supplementation is a critical component of anemia therapy for patients with chronic kidney disease (CKD). However, serum Fe, ferritin, and transferrin saturation, used to guide Fe replacemen... We prospectively enrolled 28 patients with CKD on hemodialysis with high serum ferritin (> 1000 ng/ml) and tested the effects of 1-year deferoxamine treatment, accompanied by withdrawal of Fe administ... MRI parameters showed that none of the patients had heart iron overload, but they all presented iron overload in the liver and bone marrow, which was confirmed by bone histology. After therapy, ferrit... Our data suggest that treatment with deferoxamine was safe and could improve Fe accumulation, as measured by MRI and histomorphometry. Whether MRI is considered a standard tool for investigating bone ...

Deferiprone versus deferoxamine for transfusional iron overload in sickle cell disease and other anemias: Pediatric subgroup analysis of the randomized, open-label FIRST study.

Children with sickle cell disease (SCD) who are chronically transfused often, require iron chelation therapy. There are limited data that allow for comparison of the efficacy and safety of the iron ch... This post hoc analysis of the phase 3b/4, randomized, open-label FIRST (Ferriprox in Patients with IRon Overload in Sickle Cell Disease Trial) study (NCT02041299) included patients 17 years and younge... Overall, 142 patients were evaluated; mean ages were 10.5 and 11.7 years in the deferiprone and deferoxamine groups, respectively. At 12 months: mean change from baseline in liver iron concentration w... This post hoc analysis of pediatric patients from FIRST corroborated previous findings in adults that deferiprone is comparable to deferoxamine in reducing iron overload. No new safety concerns were o...