questionsmedicales.fr
Composés hétérocycliques
Composés hétérocycliques à cycles fusionnés
Composés hétérocycliques 3 noyaux
Xanthènes
Xanthènes : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Intoxication
Tests de laboratoire
Chromatographie
Analyse chimique
Analyse d'urine
Détection
Historique médical
Exposition
Symptômes
5
Réaction allergique
Allergies
Système nerveux
Convulsions
Chimie organique
Variabilité des symptômes
Irritation cutanée
Dermatologie
Prévention
5
Prévention
Équipements de protection
Formation professionnelle
Sécurité au travail
Sécurité en laboratoire
Équipements de protection
Réglementation
Santé publique
Sensibilisation
Éducation à la santé
Traitements
5
Intoxication
Soins médicaux
Anticonvulsivants
Neurologie
Soins de soutien
Toxicologie
Médecine alternative
Efficacité des traitements
Complications
5
Maladies chroniques
Exposition prolongée
Effets à long terme
Santé cognitive
Santé reproductive
Toxicologie
Suivi médical
Traitements symptomatiques
Facteurs de risque
5
Travailleurs
Industrie chimique
Antécédents médicaux
Maladies respiratoires
Habitudes de vie
Tabagisme
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"@type": "Question",
"name": "Quels tests sont utilisés pour détecter les xanthènes ?",
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"text": "Des analyses chromatographiques comme la HPLC sont couramment utilisées."
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"@type": "Question",
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"position": 3,
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"@type": "Question",
"name": "Les xanthènes peuvent-ils être détectés dans l'urine ?",
"position": 4,
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"text": "Oui, des tests urinaires peuvent révéler la présence de xanthènes."
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"@type": "Question",
"name": "Quels sont les symptômes courants d'une exposition aux xanthènes ?",
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"text": "Les symptômes incluent des maux de tête, des nausées et des troubles de la vision."
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"@type": "Question",
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"name": "Comment les xanthènes affectent-ils le système nerveux ?",
"position": 8,
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"text": "Ils peuvent provoquer des troubles neurologiques comme des convulsions ou des tremblements."
}
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"@type": "Question",
"name": "Les symptômes varient-ils selon le type de xanthène ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent varier selon la structure chimique des xanthènes."
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"@type": "Question",
"name": "Les xanthènes affectent-ils la peau ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une exposition cutanée peut entraîner des irritations ou des éruptions."
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{
"@type": "Question",
"name": "Comment prévenir l'exposition aux xanthènes ?",
"position": 11,
"acceptedAnswer": {
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"text": "Évitez les produits contenant des xanthènes et portez des équipements de protection."
}
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"@type": "Question",
"name": "Les travailleurs doivent-ils être formés sur les xanthènes ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une formation sur les risques et la manipulation sécurisée est essentielle."
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"@type": "Question",
"name": "Quelles mesures de sécurité doivent être prises en laboratoire ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utilisez des hottes, des gants et des lunettes de protection lors de la manipulation."
}
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"@type": "Question",
"name": "Les xanthènes sont-ils réglementés ?",
"position": 14,
"acceptedAnswer": {
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"text": "Oui, leur utilisation est souvent réglementée pour protéger la santé publique."
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"name": "Comment informer le public sur les dangers des xanthènes ?",
"position": 15,
"acceptedAnswer": {
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"text": "Des campagnes de sensibilisation et des brochures d'information peuvent être utiles."
}
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"name": "Quel traitement est recommandé en cas d'intoxication aux xanthènes ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement inclut l'élimination de l'exposition et des soins symptomatiques."
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"name": "Des antidotes existent-ils pour les xanthènes ?",
"position": 17,
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"text": "Actuellement, il n'existe pas d'antidote spécifique pour les xanthènes."
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"name": "Comment traiter les symptômes neurologiques causés par les xanthènes ?",
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"name": "Les soins de soutien sont-ils nécessaires ?",
"position": 19,
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"acceptedAnswer": {
"@type": "Answer",
"text": "Une exposition prolongée peut augmenter le risque de maladies chroniques."
}
},
{
"@type": "Question",
"name": "Y a-t-il des effets à long terme des xanthènes ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des effets à long terme incluent des troubles cognitifs et des problèmes de santé."
}
},
{
"@type": "Question",
"name": "Les xanthènes peuvent-ils affecter la reproduction ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines études suggèrent qu'ils peuvent avoir des effets néfastes sur la reproduction."
}
},
{
"@type": "Question",
"name": "Comment gérer les complications liées aux xanthènes ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un suivi médical régulier et des traitements symptomatiques sont recommandés."
}
},
{
"@type": "Question",
"name": "Qui est le plus à risque d'exposition aux xanthènes ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les travailleurs dans l'industrie chimique et les laboratoires sont les plus à risque."
}
},
{
"@type": "Question",
"name": "Les enfants sont-ils plus vulnérables aux xanthènes ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les enfants peuvent être plus sensibles aux effets toxiques des xanthènes."
}
},
{
"@type": "Question",
"name": "Quels facteurs environnementaux augmentent le risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "La pollution et l'exposition à des produits chimiques augmentent le risque."
}
},
{
"@type": "Question",
"name": "Les antécédents médicaux influencent-ils le risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents de maladies respiratoires ou neurologiques augmentent le risque."
}
},
{
"@type": "Question",
"name": "Les habitudes de vie jouent-elles un rôle dans le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des habitudes comme le tabagisme peuvent augmenter la vulnérabilité aux xanthènes."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 02/05/2025
Contenu vérifié selon les dernières recommandations médicales
3 publications dans cette catégorie
Affiliations :
Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, School of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
Publications dans "Xanthènes" :
3 publications dans cette catégorie
Affiliations :
Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762, United States.
Publications dans "Xanthènes" :
3 publications dans cette catégorie
Affiliations :
Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762, United States.
Publications dans "Xanthènes" :
3 publications dans cette catégorie
Affiliations :
Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon, 305-764, South Korea.
Publications dans "Xanthènes" :
3 publications dans cette catégorie
Affiliations :
Department of Advanced Organic Materials Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon, 305-764, South Korea. yason@cnu.ac.kr.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Virginia, Charlottesville, VA, 22904, USA.
University of Virgnia Cancer Center, University of Virginia, Charlottesville, VA, 22904, USA.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of California, Berkeley, CA, 94720, USA. evanwmiller@berkeley.edu.
Department of Molecular & Cell Biology, University of California, Berkeley, CA, 94720, USA.
Helen Wills Neuroscience Institute, University of California, Berkeley, CA, 94720, USA.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Department of Medicinal Chemistry, State Key Laboratory of Bioactive Substance and Function of Natural Medicines & Beijing Key Laboratory of Active Substances Discovery and Drugability Evaluation, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, School of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541004, P. R. China.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, School of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
University of Sarajevo, Faculty of Pharmacy, 71000Sarajevo, Bosnia and Herzegovina.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
University of Sarajevo, Faculty of Pharmacy, 71000Sarajevo, Bosnia and Herzegovina.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
University of Sarajevo, Faculty of Pharmacy, 71000Sarajevo, Bosnia and Herzegovina.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
University of Sarajevo, Faculty of Pharmacy, 71000Sarajevo, Bosnia and Herzegovina.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Virginia, Charlottesville, VA, USA.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Mississippi State University, Mississippi State, Mississippi 39762, United States.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Masaryk University Faculty of Science: Masarykova univerzita Prirodovedecka Fakulta, Department of Chemistry, Kamenice 5, 62500, Brno, CZECH REPUBLIC.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan.
Publications dans "Xanthènes" :
2 publications dans cette catégorie
Affiliations :
Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan.
Department of Pharmaceutical & Medicinal Chemistry, University of Bonn, Bonn, Germany.
Publications dans "Xanthènes" :
Muscle fatigue is a leading cause of rotator cuff (RC) pathologies. Scapular orientation affected by changes in the thoracic spine account for differences in body postures leading to altered RC muscle...
This study included 50 healthy shoulders with no coexisting spine pathologies. Raw data were recorded using electromyography sensors for RC muscles during two isometric maneuvers of abduction and exte...
Supraspinatus muscle demonstrated significant fatigue at 90° of arm elevation in standing as compared to sitting (MPF -5.40: -5.41; P = 0.03) posture. Between the three elevation angles, all the RC mu...
The findings indicate that alterations in the body postures and different elevation angles affect the RC muscles' fatigue response....
Manual materials handling (MMH) contributes to musculoskeletal disorders (MSDs) in the workplace. The development and recovery of muscle fatigue are essential in work/rest arrangements for MMH tasks. ...
Non-local muscle fatigue (NLMF) refers to a transient decline in the functioning of a non-exercised muscle following the fatigue of a different muscle group. Most studies examining NLMF conducted post...
Previous studies have shown that the dominant arm is generally stronger and more resistant to fatigue. However, whether there are side differences in shoulder muscle activation during a fatiguing uppe...
Sensory prediction-error is vital to discriminating whether sensory inputs are caused externally or are the consequence of self-action, thereby contributing to a stable perception of the external worl...
Background and Objectives: Verbal encouragement (VE) can be used to enhance performance in several sports, even though no studies have been conducted among swimmers and only a few effects have been re...
The occurrence and mechanisms underlying non-local or crossover muscle fatigue is an ongoing issue. This study aimed to investigate crossover fatigue of the plantar flexor muscles. Sixteen recreationa...
Myalgic encephalomyelitis is an invalidating chronic disease often associated with exercise-induced alterations of muscle membrane excitability (M wave). No simultaneous measurements of maximal isomet...
This retrospective study compared two groups of patients who presented (n = 30) or not (n = 28) alterations of M waves evoked by direct muscle stimulation during and after a cycling exercise bout. The...
The M wave amplitude significantly decreased in muscles and the M wave duration significantly increased in the group of patients with M wave alterations after exercise. Resting values of handgrip were...
These data suggest that post-exercise sarcolemma fatigue often measured in patients with myalgic encephalomyelitis could be the cause of muscle failure....
Although surface electromyography (sEMG) is the method used to assess muscle fatigue in patients with multiple sclerosis (PwMS), no pattern of signal change has been established. The differences shown...
The purpose of the study was to verify potential differences in the fatigue sEMG signal in PwMS compared to CG....
Cross-sectional study....
Chair and Department of Functional Diagnostics and Physical Medicine....
A randomised group of patients diagnosed with MS (30, 20-41 years). A random sample of young, healthy adults (median 28, 20-39 years)....
Measurement of sEMG was performed from extensor carpi radialis (ECR) and FCR (flexor carpi radialis) during 60-80% of maximum voluntary contraction (MVC) of extension and then flexion for 60sec, accor...
Root mean square amplitude (A<inf>RMS</inf>) were lower for muscle in the PwMS compared to the CG (ECR P=0.0001, FCU P<0.0001). In the CG, the A<inf>RMS</inf> value increases during fatigue contractio...
The PwMS show an opposite pattern of preservation of the absolute value of A<inf>RMS</inf> during prolonged contraction to fatigue, compared with healthy subjects....
The results are important for clinical trials using sEMG to assess fatigue in PwMS. Knowledge of the differences in the time domain changes in sEMG signal between healthy subjects and PwMS is crucial ...
Hamstring injuries in soccer reportedly increase towards the end of the matches' halves as well as with increased match frequency in combination with short rest periods, possibly due to acute or resid...
A three-armed randomized-controlled trial, including 24 resistance-trained males, was performed allocating subjects to either a training group with acute muscle fatigue + eccentric exercise (AF/ECC); ...
Significant group × time interactions were revealed for muscle thickness (p = 0.02) and muscle contractility parameters radial displacement (D...
Hamstring muscle damage was comparable between the three groups. However, the AF/ECC group resulted in the same amount of muscle damage while accumulating significantly less muscle work during the pro...
This study was preregistered in the international trial registration platform (WHO; registration number: DRKS00025243)....