questionsmedicales.fr
Acides aminés, peptides et protéines
Protéines
Hémoprotéines
Globines
Hémoglobines
Hémoglobines anormales
Hémoglobine C
Hémoglobine C : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Hémoglobine C
Électrophorèse de l'hémoglobine
Hémoglobine C
Tests de laboratoire
Dépistage néonatal
Hémoglobine C
Symptômes
5
Complications
Hémoglobine C
Prévention
5
Complications
Hémoglobine C
Conseils génétiques
Hémoglobine C
Vaccination
Hémoglobine C
Traitements
5
Transfusion sanguine
Hémoglobine C
Hydroxyurée
Hémoglobine C
Thérapie génique
Hémoglobine C
Analgésiques
Hémoglobine C
Complications
5
Complications
Hémoglobine C
Crise vaso-occlusive
Hémoglobine C
Problèmes hépatiques
Hémoglobine C
Surveillance
Hémoglobine C
Facteurs de risque
5
Facteurs de risque
Hémoglobine C
Origine ethnique
Hémoglobine C
Antécédents familiaux
Hémoglobine C
Mode de vie
Hémoglobine C
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"@type": "Question",
"name": "Comment diagnostiquer l'hémoglobine C ?",
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"text": "Un test sanguin spécifique, comme l'électrophorèse de l'hémoglobine, permet de diagnostiquer."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour l'hémoglobine C ?",
"position": 2,
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"@type": "Question",
"name": "L'hémoglobine C est-elle héréditaire ?",
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"@type": "Question",
"name": "Quels symptômes indiquent un test pour l'hémoglobine C ?",
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"@type": "Question",
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"@type": "Question",
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"@type": "Question",
"name": "L'hémoglobine C cause-t-elle de l'anémie ?",
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}
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{
"@type": "Question",
"name": "Y a-t-il des complications liées à l'hémoglobine C ?",
"position": 8,
"acceptedAnswer": {
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"text": "Des complications peuvent inclure des crises douloureuses et des infections fréquentes."
}
},
{
"@type": "Question",
"name": "Les symptômes varient-ils selon l'âge ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent être plus prononcés chez les enfants et les jeunes adultes."
}
},
{
"@type": "Question",
"name": "L'hémoglobine C provoque-t-elle des douleurs ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des douleurs peuvent survenir en raison de la vaso-occlusion des vaisseaux sanguins."
}
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{
"@type": "Question",
"name": "Peut-on prévenir l'hémoglobine C ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Étant génétique, l'hémoglobine C ne peut pas être prévenue, mais des conseils génétiques aident."
}
},
{
"@type": "Question",
"name": "Le dépistage est-il recommandé ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le dépistage est recommandé pour les personnes à risque, notamment les porteurs."
}
},
{
"@type": "Question",
"name": "Comment éviter les complications ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une bonne hydratation et des soins médicaux réguliers aident à éviter les complications."
}
},
{
"@type": "Question",
"name": "Les conseils génétiques sont-ils utiles ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les conseils génétiques aident les familles à comprendre les risques de transmission."
}
},
{
"@type": "Question",
"name": "Y a-t-il des vaccinations recommandées ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des vaccinations contre certaines infections sont recommandées pour les patients."
}
},
{
"@type": "Question",
"name": "Comment traite-t-on l'hémoglobine C ?",
"position": 16,
"acceptedAnswer": {
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"text": "Le traitement peut inclure des transfusions sanguines et des médicaments pour l'anémie."
}
},
{
"@type": "Question",
"name": "Les transfusions sont-elles nécessaires ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des transfusions peuvent être nécessaires en cas d'anémie sévère ou de complications."
}
},
{
"@type": "Question",
"name": "Y a-t-il des médicaments spécifiques pour l'hémoglobine C ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme l'hydroxyurée peuvent être prescrits pour réduire les crises."
}
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{
"@type": "Question",
"name": "La thérapie génique est-elle une option ?",
"position": 19,
"acceptedAnswer": {
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"text": "La thérapie génique est en recherche, mais pas encore une option standard pour l'hémoglobine C."
}
},
{
"@type": "Question",
"name": "Comment gérer les crises douloureuses ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des analgésiques et une hydratation adéquate aident à gérer les crises douloureuses."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications possibles ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des infections, des crises douloureuses et des problèmes hépatiques."
}
},
{
"@type": "Question",
"name": "L'hémoglobine C augmente-t-elle le risque d'infections ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les patients ont un risque accru d'infections en raison de l'anémie et de la splénomégalie."
}
},
{
"@type": "Question",
"name": "Y a-t-il un risque de crise vaso-occlusive ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les crises vaso-occlusives peuvent survenir, provoquant des douleurs intenses."
}
},
{
"@type": "Question",
"name": "Les problèmes hépatiques sont-ils fréquents ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des problèmes hépatiques peuvent survenir, surtout en cas de transfusions fréquentes."
}
},
{
"@type": "Question",
"name": "Comment surveiller les complications ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des examens réguliers et des bilans sanguins aident à surveiller les complications."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque de l'hémoglobine C ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent des antécédents familiaux et l'origine ethnique, notamment africaine."
}
},
{
"@type": "Question",
"name": "L'origine ethnique influence-t-elle le risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes d'origine africaine ou méditerranéenne sont plus à risque."
}
},
{
"@type": "Question",
"name": "Les antécédents familiaux sont-ils importants ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, avoir des membres de la famille atteints augmente le risque de développer l'hémoglobine C."
}
},
{
"@type": "Question",
"name": "Le mode de vie affecte-t-il le risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sain peut réduire les complications, mais ne prévient pas la condition."
}
},
{
"@type": "Question",
"name": "Les femmes enceintes doivent-elles être testées ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le dépistage est recommandé pour les femmes enceintes à risque d'hémoglobine C."
}
}
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}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 11/04/2025
Contenu vérifié selon les dernières recommandations médicales
2 publications dans cette catégorie
Affiliations :
Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
1Physical Chemistry of Biosystems, Heidelberg University, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
3Department of Infectious Diseases, Parasitology, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 324, 69120 Heidelberg, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
3Department of Infectious Diseases, Parasitology, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 324, 69120 Heidelberg, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
1Physical Chemistry of Biosystems, Heidelberg University, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany.
7Center for Integrative Medicine and Physics, Institute for Advanced Study, Kyoto University, Kyoto, 606-8501 Japan.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Medical Microbiology and Hygiene, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Medical Microbiology and Hygiene, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Core Facility for Functional Peptidomics, Ulm Peptide Pharmaceuticals (U-PEP), Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Core Facility for Functional Peptidomics, Ulm Peptide Pharmaceuticals (U-PEP), Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Core Unit of Mass Spectrometry and Proteomics, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Computational Biochemistry, Center of Medical Biotechnology, University of Duisburg-Essen, 45141, Essen, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Max-Planck-Institute for Polymer Research Mainz, 55128, Mainz, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Medical Microbiology and Hygiene, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Central Facility for Electron Microscopy, Ulm University, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Medical Microbiology and Hygiene, Ulm University Medical Center, 89081, Ulm, Germany.
Publications dans "Hémoglobine C" :
2 publications dans cette catégorie
Affiliations :
Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany. jan.muench@uni-ulm.de.
Core Unit of Mass Spectrometry and Proteomics, Ulm University Medical Center, 89081, Ulm, Germany. jan.muench@uni-ulm.de.
Publications dans "Hémoglobine C" :
This study was designed to estimate the burden of blindness and vision impairment in school children, and to determine the proportion of students meeting the visual acuity (VA) demand for their classr...
Dynamic visual acuity (DVA) is crucial for the perception of moving objects. While traditional DVA assessment tools predominantly focus on horizontal movements, the evaluation of vertical DVA remains ...
To investigate the early visual acuity (VA) changes that occur after trabeculectomy and their reversal with recovery....
Two hundred ninety-two eyes of 292 patients after initial trabeculectomy as a standalone procedure fulfilling the following conditions were included: 1) patients with a postoperative follow-up of at l...
The mean IOPs (mmHg) after trabeculectomy were significantly lower than preoperatively during the entire period (P < 0.0001). The mean corrected VA for all patients was 0.06 ± 0.17, 0.24 ± 0.38, 0.19 ...
The frequency of serious vision loss was 4.45% for two or more levels of vision loss, and early postoperative VA changes after trabeculectomy may not be reversed even 3 months later. VA loss is influe...
Visual perception is limited by spatial resolution, the ability to discriminate fine details. Spatial resolution not only declines with eccentricity but also differs for polar angle locations around t...
Standard-of-care assessment for children with amblyopia includes measuring amblyopic eye best-corrected visual acuity (AE BCVA) with the fellow eye occluded. By definition, this abolishes the interocu...
Cross-sectional study....
Dichoptic and monocular AE BCVA of children aged 6-12 years (42 with amblyopia, 24 with recovered normal AE BCVA, 30 control) were measured. Stereoacuity, suppression, eye-hand coordination, and readi...
Overall, 81% of amblyopic children had worse dichoptic than monocular AE BCVA (mean difference=0.15±0.11 logMAR; P < .0001), and 71% of children with recovered normal AE BCVA had worse dichoptic than ...
Dichoptic AE BCVA deficits were worse than monocular AE BCVA deficits and were associated with reduced stereoacuity and suppression, consistent with the hypothesis that binocular dysfunction plays a r...
Evaluate the differences between clinical visual acuity (VA) as recorded in medical records and electronic Early Treatment Diabetic Retinopathy Study (eETDRS) protocol VA measurements and factors affe...
Retrospective chart review....
Study and fellow eyes of participants enrolled in DRCR Retina Network Protocols AC and AE (diabetic macular edema), and W (nonproliferative diabetic retinopathy) with clinical VA recorded within 3 mon...
Differences and their association with patient and ocular factors were evaluated using linear mixed models with random effects for correlations within sites and participants....
Difference between VA letter scores measured by eETDRS during a study visit versus measured by Snellen during a regular clinical visit (Snellen fraction converted to eETDRS)....
Data from 1016 eyes (511 participants) across 74 sites were analyzed. The mean VA measurements were 68.6 letters (Snellen equivalent 20/50) at the clinical visit and 76.3 letters (Snellen equivalent 2...
On average, clinical Snellen VA is 1 to 2 lines worse than eETDRS protocol refraction and VA testing, which may partly explain why clinical practice does not always replicate clinical trial results. E...
Proprietary or commercial disclosure may be found after the references....
Visual acuity declines with age, and disease-related visual acuity changes vary. We evaluated factors affecting visual acuity and age-related visual acuity in diseases associated with reduced visual a...
Lighting conditions significantly influence visual acuity (VA), visual function, and quality of life. Previous research highlighted a correlation between luminance and VA but left a gap in understandi...
This study aimed to investigate the influence of both central and surrounding luminance on VA through distance VA measurements....
A dual-component lighting system was utilized, comprising a self-illuminated ETDRS chart and a skyLED system for consistent surrounding illumination. Two experimental setups were conducted: the first ...
Sixty-six participants with refractive errors between 0.0 D and -2.75 D were tested under various lighting conditions. Both uncorrected refractive error (URE) and corrected refractive error (CRE) eyes...
Paired t-tests were used to evaluate the statistical significance of differences in VA scores....
Experiment 1 demonstrated a significant increase in VA scores, with mean improvements of -0.120 LogMAR for URE eyes and -0.073 LogMAR for CRE eyes as chart luminance increased from 26 cd/m² to 153 cd/...
This study emphasizes the significant impact of both central and peripheral luminance on VA. The introduction of the skyLED lighting system underlines the importance of optimal lighting for visual per...
Silicone oil is an established intraocular surgical aid, which enables the treatment of the most complex starting situations but no other alternative has been found; however, the available data indica...
Human sensitivity to visual input often scales with the magnitude of evoked responses in the brain. Here, we demonstrate an exception. We record electroencephalography (EEG) while people attempt to re...