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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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"acceptedAnswer": {
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"text": "Un diagnostic se fait par des tests sanguins mesurant les niveaux de porphyrines."
}
},
{
"@type": "Question",
"name": "Quels examens sont utilisés pour évaluer les tétrapyrroles ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"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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"@type": "Question",
"name": "Les tests génétiques sont-ils utiles pour les tétrapyrroles ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent identifier des mutations liées aux troubles des tétrapyrroles."
}
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{
"@type": "Question",
"name": "Quelle est l'importance de l'historique médical dans le diagnostic ?",
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"@type": "Question",
"name": "Quels sont les symptômes courants des troubles des tétrapyrroles ?",
"position": 6,
"acceptedAnswer": {
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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": {
"@type": "Answer",
"text": "Ils peuvent provoquer des neuropathies, des crises et des troubles mentaux."
}
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"@type": "Question",
"name": "Les troubles digestifs sont-ils liés aux tétrapyrroles ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des douleurs abdominales et des nausées sont fréquentes dans ces troubles."
}
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"@type": "Question",
"name": "La photosensibilité est-elle un symptôme des tétrapyrroles ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la photosensibilité est un symptôme courant, provoquant des éruptions cutanées."
}
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"@type": "Question",
"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",
"name": "Comment prévenir les crises liées aux tétrapyrroles ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"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,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le dépistage peut être utile pour les personnes à risque ou avec des antécédents familiaux."
}
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"@type": "Question",
"name": "L'éducation des patients est-elle importante ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"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 ?",
"position": 14,
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"text": "Oui, les vaccinations peuvent prévenir des infections qui aggravent les symptômes."
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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" :
Acute alcohol intoxication (AAI) is a harmful clinical condition, potentially life-threatening, secondary to the intake of large amounts of alcohol. Clinical manifestations of AAI are characterized by...
Alcohol intoxication in pediatrics is a growing problem in our environment. The objectives of this study are to define the prevalence of acute alcohol intoxication in the pediatric emergency departmen...
This cross-sectional study includes patients younger than 16 years with a diagnosis of acute alcohol intoxication between March 2010 and October 2018 in the PED of a tertiary hospital. Patients with c...
There were 136 episodes of alcohol intoxication, which represents a prevalence of 24.1/100,000 emergencies. After excluding 10 patients because of positive screening for other drugs, 126 patients with...
Alcohol intoxication is a rare consultation reason in the PED. They usually present with mild and self-limited symptoms, being the decrease in the level of consciousness and hypokalemia the most frequ...
Alcohol intoxication disrupts many aspects of cognition, including the generation of phenomenological characteristics of future events (a component of episodic foresight), and the execution of directe...
This study was designed to provide the first test of how alcohol intoxication influences the functional application of episodic foresight. The secondary aim was to establish the degree to which any ob...
Healthy adult social drinkers randomly received either a moderate dose of 0.6 g/kg alcohol (...
Relative to the placebo condition, episodic foresight was impaired by acute alcohol consumption, with this impairment related to poorer retrospective memory, but not executive control. The negative ef...
Even a moderate level of intoxication impairs the ability to use episodic foresight in a functionally adaptive way. These findings have implications for understanding many of the maladaptive behaviour...
Hemodialysis therapy has been used in the treatment of acute alcohol intoxication for many years, especially acute severe alcohol intoxication....
This study aimed to evaluate whether the combination of conventional treatment and naloxone with hemodialysis has advantages over conventional treatment and naloxone alone in patients with acute sever...
After searching 12 databases and 2 clinical trial centers. According to the established inclusion and exclusion criteria, the qualified literatures were screened. The outcome indicators were length of...
This meta-analysis included 13 studies, including 932 subjects. In the treatment of acute severe alcohol intoxication, the use of hemodialysis on the basis of conventional treatment and naloxone could...
It can be concluded that compared with the use of conventional treatment and naloxone alone, the use of hemodialysis on the basis of conventional treatment and naloxone for acute severe alcohol intoxi...
Devices such as mobile phones and smart speakers could be useful to remotely identify voice alterations associated with alcohol intoxication that could be used to deliver just-in-time interventions, b...
A total of 18 participants (72% male, ages 21-62 years) read a randomly assigned tongue twister before drinking and each hour for up to 7 hours after drinking a weight-based dose of alcohol. Vocal seg...
Alcohol intoxication was predicted with an accuracy of 98% (95% CI [97.1, 98.6]); mean sensitivity = .98; specificity = .97; positive predictive value = .97; and negative predictive value = .98....
In this small, controlled laboratory study, voice spectrographic signatures collected from brief recorded English segments were useful in identifying alcohol intoxication. Larger studies using varied ...
This study aims to explore the prevalence of creatinine kinase elevation amongst a sample of Dutch adolescents admitted for acute alcohol intoxication. The data on all admitted adolescents < 18 years ...
Drug and alcohol intoxication is common among injured patients altering trauma presentation and characteristics. However, uncertainty exists regarding the effect of intoxication on injury severity, as...
All major trauma patients captured in our centre's Trauma Registry between July 2010 and June 2020 were included. Demographic, injury characteristic, outcome and substance-use data were collected. Dif...
Among 9700 patients, 9% were drug-intoxicated prior to injury, while 9.4% were alcohol-intoxicated. Drug use almost tripled between 2010 (4.8%) and 2020 (13.3%), while alcohol intoxication fell, from ...
Within this contemporary Australian population, we demonstrate escalating rates of drug intoxication and declining rates of alcohol intoxication prior to trauma. Intoxication was associated with more ...
The toxic properties of ethanol are inextricably linked to oxidative stress. Despite many reports on the effects of alcohol dependence on blood redox homeostasis, there are no data on the oxidative st...
Alcohol is one of the most commonly used substances and frequently abused, yet little is known about the neural underpinnings driving variability in inhibitory control performance after ingesting alco...
When evaluating an emergency department (ED) patient who presents with suicidal ideation, it is a common practice to wait until the patient's ethanol level is known or calculated to be less than 80 mg...
We conducted a retrospective review of patients evaluated in a Midwestern ED for the calendar year 2017. Cases were selected if they had a psychiatric social work consult and a blood alcohol level dra...
Among patients presenting with suicidal ideation and a concurrent BAL ≥80 mg/dl, 69% no longer reported suicidal ideation when their BAL was <80 mg/dl, compared to 38% for patients without a positive ...
Our data show that patients presenting to the ED with complaints related to suicidal behavior who have a BAL ≥80 mg/dl are more likely to no longer endorse having suicidal ideation once their BAL is <...