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Tétrapyrroles
Tétrapyrroles : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Porphyries
Tests de laboratoire
Porphyries
Analyse d'urine
Tests génétiques
Porphyries
Antécédents médicaux
Évaluation clinique
Symptômes
5
Neuropathies
Troubles mentaux
Troubles digestifs
Symptômes
Photosensibilité
Éruptions cutanées
Prévention
5
Dépistage
Antécédents familiaux
Éducation des patients
Gestion des symptômes
Suivi médical
Traitements
Traitements
5
Suppléments de fer
Anémie
Gestion du stress
Qualité de vie
Complications
5
Troubles psychologiques
Anxiété
Foie
Dysfonctionnement hépatique
Complications cardiovasculaires
Anémie
Infections
Système immunitaire
Facteurs de risque
5
Facteurs de risque
Antécédents familiaux
Maladies hépatiques
Facteurs de risque
Infections
Facteurs de risque
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"name": "Comment diagnostiquer une carence en tétrapyrroles ?",
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"text": "Un diagnostic se fait par des tests sanguins mesurant les niveaux de porphyrines."
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"@type": "Question",
"name": "Quels examens sont utilisés pour évaluer les tétrapyrroles ?",
"position": 2,
"acceptedAnswer": {
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"text": "Les tests de porphyrines urinaires et sanguines sont couramment utilisés."
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"@type": "Question",
"name": "Quels symptômes indiquent un déséquilibre des tétrapyrroles ?",
"position": 3,
"acceptedAnswer": {
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"text": "Des douleurs abdominales, des troubles neurologiques et des photosensibilités peuvent survenir."
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"acceptedAnswer": {
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"text": "Oui, ils peuvent identifier des mutations liées aux troubles des tétrapyrroles."
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"text": "Les symptômes incluent douleurs abdominales, éruptions cutanées et fatigue."
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"@type": "Question",
"name": "Comment les tétrapyrroles affectent-ils le système nerveux ?",
"position": 7,
"acceptedAnswer": {
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"text": "Ils peuvent provoquer des neuropathies, des crises et des troubles mentaux."
}
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"name": "Les troubles digestifs sont-ils liés aux tétrapyrroles ?",
"position": 8,
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"text": "Oui, des douleurs abdominales et des nausées sont fréquentes dans ces troubles."
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"name": "La photosensibilité est-elle un symptôme des tétrapyrroles ?",
"position": 9,
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"name": "Les symptômes varient-ils selon le type de tétrapyrroles ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent varier selon le type de porphyrie et sa gravité."
}
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"@type": "Question",
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"position": 11,
"acceptedAnswer": {
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"text": "Éviter les déclencheurs connus, comme certains médicaments et l'alcool, aide à prévenir."
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"@type": "Question",
"name": "Les tests de dépistage sont-ils recommandés ?",
"position": 12,
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"text": "Oui, le dépistage peut être utile pour les personnes à risque ou avec des antécédents familiaux."
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"name": "L'éducation des patients est-elle importante ?",
"position": 13,
"acceptedAnswer": {
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"text": "Oui, comprendre la maladie aide les patients à gérer leurs symptômes et à éviter les crises."
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"@type": "Question",
"name": "Les vaccinations sont-elles nécessaires pour ces patients ?",
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"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion du stress peut réduire les crises et améliorer la qualité de vie."
}
},
{
"@type": "Question",
"name": "Les changements alimentaires sont-ils bénéfiques ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un régime équilibré peut aider à gérer les symptômes et améliorer la santé."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications possibles des tétrapyrroles ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des lésions nerveuses, des problèmes hépatiques et des anémies."
}
},
{
"@type": "Question",
"name": "Les troubles psychologiques sont-ils des complications ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des troubles comme l'anxiété et la dépression peuvent survenir chez ces patients."
}
},
{
"@type": "Question",
"name": "Comment les tétrapyrroles affectent-ils le foie ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent provoquer des lésions hépatiques, entraînant des douleurs et des dysfonctionnements."
}
},
{
"@type": "Question",
"name": "Les complications cardiovasculaires sont-elles possibles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des problèmes cardiovasculaires peuvent survenir en raison de l'anémie et du stress."
}
},
{
"@type": "Question",
"name": "Les infections sont-elles une complication fréquente ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les infections peuvent survenir, surtout si le système immunitaire est affaibli."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque des troubles des tétrapyrroles ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents familiaux, l'exposition à des toxines et certains médicaments augmentent le risque."
}
},
{
"@type": "Question",
"name": "L'alimentation joue-t-elle un rôle dans les tétrapyrroles ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation pauvre en nutriments essentiels peut augmenter le risque de troubles."
}
},
{
"@type": "Question",
"name": "Les maladies hépatiques sont-elles un facteur de risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les maladies hépatiques préexistantes peuvent exacerber les troubles des tétrapyrroles."
}
},
{
"@type": "Question",
"name": "Le stress peut-il aggraver les symptômes ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress est un facteur déclenchant connu pour les crises liées aux tétrapyrroles."
}
},
{
"@type": "Question",
"name": "Les infections antérieures influencent-elles le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines infections peuvent déclencher ou aggraver les troubles des tétrapyrroles."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 19/04/2025
Contenu vérifié selon les dernières recommandations médicales
6 publications dans cette catégorie
Affiliations :
Institute of Biology/Plant Physiology, Humboldt-Universität zu Berlin, Philippstraße 13, Berlin, 10115, Germany.
5 publications dans cette catégorie
Affiliations :
Department of Chemistry, North Carolina State University, Raleigh, NC 27695-8204, USA.
Publications dans "Tétrapyrroles" :
4 publications dans cette catégorie
Affiliations :
Department of Chemistry, North Carolina State University, Raleigh, NC 27695-8204, USA.
Publications dans "Tétrapyrroles" :
4 publications dans cette catégorie
Affiliations :
Department of Chemistry and Biochemistry, Brown Laboratory, University of Delaware, Newark, DE 19716, USA. joelr@udel.edu.
Publications dans "Tétrapyrroles" :
3 publications dans cette catégorie
Affiliations :
Institute of Biology/Plant Physiology, Humboldt-Universität zu Berlin, Philippstraße 13, Berlin, 10115, Germany.
Publications dans "Tétrapyrroles" :
3 publications dans cette catégorie
Affiliations :
Chair of Technical Electrochemistry, Department of Chemistry and Catalysis Research Center, Technische Universität München (TUM), 85748, Garching, Germany.
Publications dans "Tétrapyrroles" :
3 publications dans cette catégorie
Affiliations :
Bundesanstalt für Materialforschung und -prüfung (BAM), 12203, Berlin, Germany.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Institute of Biology/Plant Physiology, Humboldt-Universität zu Berlin, Philippstraße 13, Berlin, 10115, Germany.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Max-Planck-Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg 1, D-14476, Potsdam-Golm, Germany.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of California, Riverside, CA 92521-0403, USA.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Washington University, St. Louis, MO 63130-4889, USA. holten@wustl.edu.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of California, Riverside, CA 92521-0403, USA.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Washington University, St. Louis, MO 63130-4889, USA. holten@wustl.edu.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, North Carolina State University, Raleigh, NC 27695-8204, USA.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, North Carolina State University, Raleigh, NC 27695-8204, USA.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC 27695-7612, USA.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Institute of Biology/Plant Physiology, Humboldt-Universität zu Berlin, Philippstraße 13 (Haus 12), 10115 Berlin, Germany.
Publications dans "Tétrapyrroles" :
2 publications dans cette catégorie
Affiliations :
Humboldt-Universität zu Berlin, Institute of Biology/Plant Physiology, Philippstraße 13, Building 12,, D-10115, Berlin, Germany.
Publications dans "Tétrapyrroles" :
Considerable research has been carried out in the last two decades on the putative benefits of cognitive training on cognitive function and academic achievement. Recent meta-analyses summarizing the e...
Changes in functional brain connectivity (FBC) may indicate how lifestyle modifications can prevent the progression to dementia; FBC identifies areas that are spatially separate but temporally synchro...
DNA methylation as a biomarker is well suited to investigate dynamic processes, such as symptom improvement. For this study we focus on epigenomic state or trait markers as early signatures of cogniti...
Data from a randomized controlled trial (RCT) were used for this analysis, where cognitive function of 112 patients randomly assigned to a personalized cognitive intervention was compared to standard ...
Analyses at baseline and at week 8 did not show any genome-wide significant CpGs (p < 5 × 10...
Our result suggest that DNA methylation can be suitable to capture early signs of treatment response of a cognitive intervention in depression. In our layered approach we could capture dynamics that c...
Amnestic mild cognitive impairment (aMCI) is a risk factor for Alzheimer's disease (AD). Multi-domain cognitive training (CT) may slow cognitive decline and delay AD onset. However, most work involves...
Sensory processing sensitivity (SPS) is a biological trait associated with enhanced awareness of and responsivity to the environment, as well as depth of cognitive processing. However, only a few stud...
Digital cognitive training can remediate cognitive deficits present in schizophrenia. However, limited motivation and engagement may impact adherence to training. Therefore, identifying factors that m...
We measured cognition, symptom severity, motivation (semi-structured interview), and engagement (adapted Utrecht Work Engagement Scale - UWES) of 27 patients with schizophrenia after a 40-h digital co...
The facilitator 'good performance' and the barrier 'difficult exercise' were associated with larger gains in attention (p = 0.03) and reasoning and problem solving (p = 0.02), respectively. 'Poor perf...
Using a mixed quantitative and qualitative research design, we showed associations between motivation and engagement and the response to digital cognitive training in schizophrenia. Facilitators and b...
Cognitive impairment in Parkinson's disease (PD), especially in patients with mild cognitive impairment (PD-MCI), coincides with less physical activity. Cognitive trainings (CT) have been found to pro...
Eighteen patients with PD-MCI of the TrainParC study were analyzed. Those patients received either a 6-week multidomain group CT or physical training (PT). Physical activity and sedentary behavior wer...
Patients in the CT group displayed significantly greater increases in active periods after training than patients assigned to PT. In the CT group, increases in executive functioning were associated wi...
Study data revealed that CT can increase physical activity in patients with PD-MCI, possibly due to effects on executive functions, which needs further investigation in larger sample sizes. Lower work...
Epidemiological evidence suggests that both poor cardiovascular fitness and low muscle mass or strength markedly increase the rate of cognitive decline and incident dementia in older adults. Results f...
One hundred and sixty community-dwelling older (≥ 60 years) people with MCI have been randomised into the trial. Interventions are delivered supervised 2-3 days per week for 12 months. The primary out...
Ethical approval was obtained from the University of Sydney (HREC Ref.2017/368), University of Queensland (HREC Ref. 2017/HE000853), University of British Columbia (H16-03309), and Vancouver Coastal H...
ACTRN12617001440314 Australian New Zealand Clinical Trials Registry....
The increase in population aging highlights the growing prevalence of mild cognitive impairment, prompting the adoption of interventions that combine physical exercise and cognitive training to improv...
A 12-week randomized controlled clinical trial involving 95 participants (aged 72.12 ± 4.25 years), 47 individuals participated in a control group (CG) that only underwent cognitive stimulation, while...
The results of the study show significant improvements in both physical and cognitive aspects, such as balance, gait, upper and lower body strength, flexibility, physical function, cognitive function,...
A combined program for older individuals with mild cognitive impairment leads to enhancements in physical and cognitive health. These improvements underscore the importance of integrating physical exe...
NCT05503641....
Cognitive training is a non-drug intervention to improve the cognitive function of participants by training them in different cognitive domains. We investigated the effectiveness of cognitive training...
Systematic review and meta-analysis....
PubMed, Embase, Cochrane Library, WOS, CINAHL, CNKI, VIP, SinoMed, Wanfang, Grey literature and trial registries were searched (from inception to 1 October 1, 2022)....
Inclusion of randomized controlled trials (RCTs) assessing the effects of cognitive training on breast cancer patients reporting cognitive changes The primary outcome was subjective cognitive function...
Two reviewers worked independently to screen the literature, extract data, and assess the methodological quality and risk bias of the included studies. Results are reported as standardizedstandardised...
The primary outcome was subjective cognitive function. Secondary outcomes were objective cognitive functioning (eg, executive functioning and attention) and psychological outcomes(eg, anxiety, depress...
A total of 9 RCTs involving 666 patients with breast cancer were included. The frequency of cognitive training varied and the duration was mostly focused on 5-12 weeks. It can be delivered to patients...
Evidence of low to moderate certainty suggests that cognitive training may improve subjective cognition, processing speed, verbal memory, working memory and episodic memory in patients with breast can...
CRD42021264316....