questionsmedicales.fr
Composés hétérocycliques
Composés hétérocycliques à cycles fusionnés
Composés hétérobicycliques
Benzopyranes
Vitamine E
Tocophérols
Tocophérols : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Carence en vitamine E
Tocophérols
Tests sanguins
Tocophérols
Symptômes neurologiques
Tocophérols
Chromatographie
Tocophérols
Symptômes
5
Carence en vitamine E
Symptômes neurologiques
Santé de la peau
Tocophérols
Vision
Dégénérescence maculaire
Prévention
5
Suppléments alimentaires
Tocophérols
Conseils diététiques
Tocophérols
Traitements
5
Suppléments alimentaires
Tocophérols
Interactions médicamenteuses
Tocophérols
Complications
5
Complications
Tocophérols
Système immunitaire
Tocophérols
Maladies chroniques
Tocophérols
Santé cardiovasculaire
Tocophérols
Facteurs de risque
5
Facteurs de risque
Tocophérols
Personnes âgées
Tocophérols
Maladies hépatiques
Tocophérols
Régime végétalien
Tocophérols
Troubles digestifs
Tocophérols
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"name": "Comment diagnostiquer une carence en tocophérols ?",
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"text": "Un diagnostic se fait par des tests sanguins mesurant les niveaux de tocophérols."
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"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer les tocophérols ?",
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{
"@type": "Question",
"name": "Quels sont les symptômes d'une carence en tocophérols ?",
"position": 6,
"acceptedAnswer": {
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"text": "Les symptômes incluent la neuropathie, la faiblesse musculaire et des problèmes de vision."
}
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{
"@type": "Question",
"name": "Les tocophérols affectent-ils la peau ?",
"position": 7,
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"text": "Oui, une carence peut entraîner une peau sèche et des troubles cutanés."
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{
"@type": "Question",
"name": "Y a-t-il des symptômes liés à une surconsommation de tocophérols ?",
"position": 8,
"acceptedAnswer": {
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"text": "Une surconsommation peut causer des saignements en raison d'une inhibition de la coagulation."
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{
"@type": "Question",
"name": "Les tocophérols influencent-ils la fertilité ?",
"position": 9,
"acceptedAnswer": {
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"text": "Oui, des niveaux adéquats de tocophérols sont importants pour la santé reproductive."
}
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{
"@type": "Question",
"name": "Les tocophérols ont-ils un rôle dans la vision ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils protègent les cellules rétiniennes et peuvent prévenir la dégénérescence maculaire."
}
},
{
"@type": "Question",
"name": "Comment prévenir une carence en tocophérols ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée riche en graisses saines et en fruits peut prévenir la carence."
}
},
{
"@type": "Question",
"name": "Les suppléments de tocophérols sont-ils nécessaires ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils ne sont généralement pas nécessaires si l'alimentation est adéquate."
}
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{
"@type": "Question",
"name": "Quels conseils diététiques pour augmenter les tocophérols ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Inclure des avocats, des amandes et des épinards dans votre alimentation quotidienne."
}
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{
"@type": "Question",
"name": "Les tocophérols sont-ils importants pour les sportifs ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils aident à réduire le stress oxydatif et à améliorer la récupération musculaire."
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{
"@type": "Question",
"name": "Les femmes enceintes doivent-elles surveiller leur apport en tocophérols ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un apport adéquat est crucial pour le développement fœtal et la santé maternelle."
}
},
{
"@type": "Question",
"name": "Comment traiter une carence en tocophérols ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement inclut des suppléments de vitamine E et des modifications alimentaires."
}
},
{
"@type": "Question",
"name": "Quels aliments sont riches en tocophérols ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les huiles végétales, les noix, les graines et les légumes à feuilles vertes sont riches en tocophérols."
}
},
{
"@type": "Question",
"name": "Les tocophérols sont-ils disponibles sous forme médicamenteuse ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils sont disponibles sous forme de capsules ou de comprimés en pharmacie."
}
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{
"@type": "Question",
"name": "Quelle est la posologie recommandée pour les tocophérols ?",
"position": 19,
"acceptedAnswer": {
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"text": "La posologie varie, mais généralement, 15 mg par jour est recommandé pour les adultes."
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"@type": "Question",
"name": "Les tocophérols peuvent-ils interagir avec d'autres médicaments ?",
"position": 20,
"acceptedAnswer": {
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"text": "Oui, ils peuvent interagir avec des anticoagulants et affecter leur efficacité."
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"@type": "Question",
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"@type": "Question",
"name": "Les tocophérols peuvent-ils affecter le système immunitaire ?",
"position": 22,
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"text": "Oui, une carence peut affaiblir le système immunitaire et augmenter le risque d'infections."
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"@type": "Question",
"name": "Y a-t-il des risques liés à une surconsommation de tocophérols ?",
"position": 23,
"acceptedAnswer": {
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"text": "Une surconsommation peut entraîner des saignements et des troubles de la coagulation."
}
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"@type": "Question",
"name": "Les tocophérols sont-ils liés à des maladies chroniques ?",
"position": 24,
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"text": "Des études suggèrent qu'ils peuvent jouer un rôle dans la prévention de maladies chroniques."
}
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"name": "Les tocophérols peuvent-ils influencer la santé cardiovasculaire ?",
"position": 25,
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"@type": "Question",
"name": "Quels facteurs augmentent le risque de carence en tocophérols ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les troubles d'absorption intestinale et les régimes très faibles en graisses augmentent le risque."
}
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"@type": "Question",
"name": "Les personnes âgées sont-elles à risque de carence en tocophérols ?",
"position": 27,
"acceptedAnswer": {
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"text": "Oui, les personnes âgées peuvent avoir des niveaux plus bas en raison d'une absorption réduite."
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"@type": "Question",
"name": "Les maladies hépatiques influencent-elles les niveaux de tocophérols ?",
"position": 28,
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"text": "Oui, les maladies hépatiques peuvent affecter le métabolisme et l'absorption des tocophérols."
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"name": "Les régimes végétaliens présentent-ils un risque pour les tocophérols ?",
"position": 29,
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"text": "Oui, un régime végétalien mal équilibré peut entraîner une carence en tocophérols."
}
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"@type": "Question",
"name": "Les troubles digestifs augmentent-ils le risque de carence ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des troubles comme la maladie cœliaque peuvent réduire l'absorption des tocophérols."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 26/03/2025
Contenu vérifié selon les dernières recommandations médicales
7 publications dans cette catégorie
Affiliations :
Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, IL.
Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL.
5 publications dans cette catégorie
Affiliations :
Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, IL.
Publications dans "Tocophérols" :
4 publications dans cette catégorie
Affiliations :
Abbott Nutrition, Columbus, OH.
Publications dans "Tocophérols" :
3 publications dans cette catégorie
Affiliations :
Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Institute of Crop Science, Zhejiang University, Yu-Hang-Tang Road 866, Hangzhou, 310058 China.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Department of Oral and Maxillofacial Surgery, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Department of Oral and Maxillofacial Surgery, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Department of Oral and Maxillofacial Surgery, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Department of Oral and Maxillofacial Surgery, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, IL.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Human Nutrition Program, The Ohio State University, Columbus, OH.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA. daa@nih.gov.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Rutgers Cancer Institute of New Jersey, Rutgers, The State University of New Jersey, New Brunswick, New Jersey, USA.
Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Fonterra Co-operative Group Ltd, Waitoa 3380, New Zealand.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Fonterra Co-operative Group Ltd, Waitoa 3380, New Zealand.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Jiangsu, P. R. China.
Publications dans "Tocophérols" :
2 publications dans cette catégorie
Affiliations :
National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Jiangsu, P. R. China.
Publications dans "Tocophérols" :
Perfusion weighted imaging (PWI) is critical for determining whether stroke patients presenting in an extended time window are candidates for mechanical thrombectomy. However, PWI is not always availa...
The National Institutes of Health (NIH) FHV score was developed to quantify the burden of FHV and applied to magnetic resonance imaging scans of stroke patients with fluid-attenuated inversion recover...
There were 101 patients included in the analysis, of whom 78% had a perfusion deficit detected on PWI with a mean lesion volume of 47 (±59) mL. The NIH-FHV score was strongly associated with the PWI l...
The NIH-FHV score provides an estimate of the PWI lesion volume and, when combined with diffusion weighted imaging, may be helpful when trying to determine whether there is a clinically relevant diffu...
Although hypothermic machine perfusion (HMP) is associated with improved kidney graft viability and function, the underlying biological mechanisms are unknown. Untargeted metabolomic profiling may ide...
This letter responds to the article "Neither Ethical nor Prudent: Why Not to Choose Normothermic Regional Perfusion," by Adam Omelianchuk et al., in the July-August 2024 issue of the Hastings Center R...
Type 2 diabetes mellitus (T2DM) is associated with altered cerebral vasoreactivity, cognitive impairment, and functional decline. Magnetic Resonance (MR) perfusion can be used to assess cerebral blood...
The study included 52 patients diagnosed with T2DM and 39 healthy individuals. The diabetic patients were classified into three groups (PRP: proliferative retinopathy, NPRP: non-proliferative retinopa...
The comparison between the T2DM group and the control group revealed that rCBF values of bilateral frontal lobes, cingulate gyrus, medial temporal lobe, thalami and right occipital lobe were measured ...
Regional hypoperfusion was encountered in most of the lobes in the T2DM group when compared with the healthy group. However, in terms of rCBF values, there was no significant difference among the thre...
Pulmonary blood flow can be assessed on ventilation-perfusion (VQ) scan with relative lung perfusion, with a 55% to 45% (or 10%) right-to-left differential considered normal. We hypothesized that wide...
We conducted a retrospective cohort study on all patients who underwent double-lung transplant in our program between 2005 and 2016, identifying patients with a wide perfusion differential of >10% on ...
Of 340 patients who met inclusion criteria, 169 (49%) had a relative perfusion differential of ≥ 10% on a 3-mo VQ scan. Patients with increased perfusion differential had increased risk of death or re...
Wide lung perfusion differential was common after lung transplant in our cohort and associated with increased risk of death, poor lung function, and CLAD onset. The nature of this abnormality and its ...
Although COVID-19 infection is associated with the increased risk of pulmonary thromboembolism (PTE), COVID-19 pulmonary lesions cause ventilation-perfusion (V/Q) patterns other than PTE. Although ext...
This article describes fabrication of a customizable bioreactor, which comprises a perfusion system and coverslip-based tissue culture chamber that allow centimeter-scale vascularized or otherwise can...
Anterograde or retrograde cerebral perfusion can protect the brain from ischemic injury during hypothermic circulatory arrest (HCA), but neither type of perfusion provides blood flow to the abdominal ...
We aimed at examining both the incidence and extent of different lung perfusion abnormalities as well as the relationship between them on Tc-99m macroaggregated albumin (MAA) perfusion-only SPECT/CT s...
Ninety-one patients (71.4 ± 13.9 years; range: 29-98 years, median age: 74 years; 45 female and 46 male) with confirmed SARS-CoV-2 virus infection were included in this retrospective study. After perf...
Moderately severe parenchymal lesions were detected in 87 (95.6%) patients. Although, 50 (54.95%) patients were depicted to have MM lesions, the whole patient cohort was mildly affected by this abnorm...
Heterogeneous perfusion abnormalities were found in most of COVID-19 patients: parenchymal lesions with normal, decreased or increased perfusion and perfusion defects in healthy lung areas. These phen...
Liver transplantation is the only chance of cure for people with end-stage liver disease and some people with advanced liver cancers or acute liver failure. The increasing prevalence of these conditio...
To evaluate the effects of different methods of machine perfusion (including hypothermic oxygenated machine perfusion (HOPE), normothermic machine perfusion (NMP), controlled oxygenated rewarming, and...
We used standard, extensive Cochrane search methods. The latest search date was 10 January 2023....
We included randomised clinical trials which compared different methods of machine perfusion, either with each other or with SCS. Studies comparing HOPE via both hepatic artery and portal vein, or via...
We used standard Cochrane methods. Our primary outcomes were 1. overall participant survival, 2. quality of life, and 3. serious adverse events. Secondary outcomes were 4. graft survival, 5. ischaemic...
We included seven randomised trials (1024 transplant recipients from 1301 randomised/included livers). All trials were parallel two-group trials; four compared HOPE versus SCS, and three compared NMP ...
In situations where the decision has been made to transplant a liver donated after circulatory death or donated following brain death, end-ischaemic HOPE will provide superior clinically relevant outc...