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"name": "Comment diagnostiquer une carence en pyridoxine ?",
"position": 1,
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"text": "Un diagnostic se fait par des tests sanguins mesurant les niveaux de pyridoxine."
}
},
{
"@type": "Question",
"name": "Quels sont les signes cliniques d'une carence en pyridoxine ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les signes incluent fatigue, irritabilité, dépression et neuropathie périphérique."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer la pyridoxine ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests de dosage de la pyridoxine dans le sang ou l'urine sont utilisés."
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"@type": "Question",
"name": "La carence en pyridoxine peut-elle être confondue avec d'autres maladies ?",
"position": 4,
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"text": "Oui, elle peut être confondue avec des troubles neurologiques ou des carences en autres vitamines."
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{
"@type": "Question",
"name": "Quels sont les symptômes d'une carence en pyridoxine ?",
"position": 6,
"acceptedAnswer": {
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"text": "Les symptômes incluent dépression, confusion, irritabilité et troubles cutanés."
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"@type": "Question",
"name": "La carence en pyridoxine cause-t-elle des problèmes neurologiques ?",
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"text": "Oui, elle peut entraîner des neuropathies et des troubles de la coordination."
}
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"name": "Peut-on avoir des symptômes digestifs liés à la carence ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des symptômes comme des nausées et des douleurs abdominales peuvent survenir."
}
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"@type": "Question",
"name": "Quels signes cutanés sont associés à une carence en pyridoxine ?",
"position": 9,
"acceptedAnswer": {
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"text": "Des éruptions cutanées, des démangeaisons et des fissures peuvent apparaître."
}
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{
"@type": "Question",
"name": "La fatigue est-elle un symptôme courant de carence ?",
"position": 10,
"acceptedAnswer": {
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"text": "Oui, la fatigue et la faiblesse générale sont des symptômes fréquents."
}
},
{
"@type": "Question",
"name": "Comment prévenir une carence en pyridoxine ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée et variée, riche en vitamine B6, aide à prévenir la carence."
}
},
{
"@type": "Question",
"name": "Les groupes à risque de carence en pyridoxine ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les personnes âgées, les alcooliques et celles ayant des maladies chroniques sont à risque."
}
},
{
"@type": "Question",
"name": "Les femmes enceintes ont-elles besoin de plus de pyridoxine ?",
"position": 13,
"acceptedAnswer": {
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"text": "Oui, les femmes enceintes ont des besoins accrus en vitamine B6 pour le développement fœtal."
}
},
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"@type": "Question",
"name": "Les végétariens doivent-ils surveiller leur apport en B6 ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les végétariens doivent s'assurer d'inclure des sources végétales riches en B6."
}
},
{
"@type": "Question",
"name": "Les suppléments sont-ils nécessaires pour tout le monde ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, la plupart des gens obtiennent suffisamment de B6 par une alimentation équilibrée."
}
},
{
"@type": "Question",
"name": "Comment traiter une carence en pyridoxine ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement consiste en des suppléments de pyridoxine et une alimentation riche en B6."
}
},
{
"@type": "Question",
"name": "Quels aliments sont riches en pyridoxine ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les viandes, poissons, bananes, avocats et céréales complètes sont riches en B6."
}
},
{
"@type": "Question",
"name": "Les suppléments de pyridoxine ont-ils des effets secondaires ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des doses élevées peuvent causer des neuropathies et des troubles gastro-intestinaux."
}
},
{
"@type": "Question",
"name": "Combien de temps dure le traitement de la carence ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement peut durer plusieurs semaines à mois, selon la gravité de la carence."
}
},
{
"@type": "Question",
"name": "Les médicaments peuvent-ils interférer avec la pyridoxine ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains médicaments peuvent réduire l'absorption ou l'efficacité de la B6."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec une carence prolongée ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des troubles neurologiques, des anémies et des problèmes cutanés."
}
},
{
"@type": "Question",
"name": "La carence en pyridoxine peut-elle affecter le système immunitaire ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une carence peut affaiblir le système immunitaire, augmentant le risque d'infections."
}
},
{
"@type": "Question",
"name": "Des troubles psychologiques peuvent-ils être liés à la carence ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la carence en B6 est associée à des troubles de l'humeur et de la cognition."
}
},
{
"@type": "Question",
"name": "La carence en pyridoxine peut-elle causer des problèmes cardiovasculaires ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut contribuer à des problèmes cardiovasculaires en affectant le métabolisme des acides aminés."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles réversibles avec un traitement ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, de nombreuses complications peuvent être réversibles avec un traitement approprié."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de carence en pyridoxine ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent une mauvaise alimentation, l'alcoolisme et certaines maladies chroniques."
}
},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles plus à risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes âgées peuvent avoir des besoins accrus et une absorption réduite."
}
},
{
"@type": "Question",
"name": "Les maladies rénales affectent-elles le niveau de pyridoxine ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les maladies rénales peuvent altérer le métabolisme et l'excrétion de la B6."
}
},
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"@type": "Question",
"name": "Les régimes restrictifs augmentent-ils le risque de carence ?",
"position": 29,
"acceptedAnswer": {
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"@type": "Question",
"name": "Les médicaments peuvent-ils influencer le risque de carence ?",
"position": 30,
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"text": "Oui, certains médicaments peuvent interférer avec l'absorption ou le métabolisme de la B6."
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The effect of high-dose pyridoxine (PN) on activity of 5-fluorouracil (FUra) and folinic acid (FA)-containing regimens was studied in 50 patients including 14 with digestive tract, and 36 with breast ...
High concentration pyridoxal 5'-phosphate, the cofactor of vitamin B6, potentiates cytotoxicity in cancer cells exposed to 5-fluorouracil (FUra) and folinic acid (FA). We studied the effect of high-do...
Levetiracetam (LVT), while an effective treatment for multiple seizure types, is associated with a high incidence of neuropsychiatric adverse events (NPAEs). In predominantly retrospective studies, su...
An updated systematic review of the published literature was performed in line with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. PubMed, Embase, the Coch...
Seven additional studies were identified: two double-blind, randomized controlled trials (RCTs), four retrospective studies, and one retrospective case series. One RCT reported significant improvement...
Data published within the last three years add to earlier evidence suggesting that PN might be effective in the treatment of NPAEs associated with LVT. However, the quality of evidence remains poor an...
Deficiency of antiquitin (α-aminoadipic semialdehyde dehydrogenase), an enzyme involved in lysine degradation and encoded by ALDH7A1, is the major cause of vitamin B...
Enhancement of plant growth at early growth stages is usually associated with the stimulation of various metabolic activities, which is reflected on morphological features and yield quantity and quali...
Levetiracetam is a commonly used anti-seizure medication, with the development of neuropsychiatric symptoms being the most common side effect. Preliminary literature describes the improvement of these...
The objective of this study was to critically assess evidence regarding the role of pyridoxine in the treatment of neuropsychiatric symptoms from levetiracetam....
The objective was addressed through the development of a structured, critically appraised topic. This included a clinical scenario with a clinical question, literature search strategy, critical apprai...
A randomized, placebo-controlled clinical trial was selected for critical appraisal. This trial compared pyridoxine versus placebo for the treatment of neuropsychiatric symptoms from levetiracetam in ...
This study suggests that pyridoxine for the treatment of levetiracetam-induced behavioral side effects may result in modest improvement, although many limitations prevent conclusive results. There rem...
Nausea and vomiting during pregnancy (NVP) are common symptoms in pregnancy. Although no definitive treatment option for NVP, pyridoxine (Vitamin B6) supplementation has been used widely. The present ...
Data were obtained using a stepwise search process using keywords in the following online medical databases; PubMed...
Initial database searching indicated 548 potentially eligible articles, of which 18 studies satisfying the inclusion criteria were selected. Eight studies showed beneficial effects with pyridoxine alo...
Supplementation of pyridoxine alone as well as with an active ingredient demonstrated beneficial effects for women suffering from NVP....
Loss of function variants in the ornithine aminotransferase (...
Case report of an adult patient with advanced gyrate atrophy, who underwent treatment with pyridoxine and an arginine-restricted diet for four years....
A 51-year-old female with advanced chorioretinal degeneration presented with hyperornithinemia (961 vs. normal 18-135 µmol/L) and compound heterozygous pathogenic variants in...
In this report, we demonstrate that chorioretinal degeneration appears to stabilize in an adult patient with gyrate atrophy in association with a partial reduction in ornithine levels. We also observe...