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 ?",
"position": 2,
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"@type": "Answer",
"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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"position": 5,
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"@type": "Question",
"name": "Quels sont les symptômes courants d'une exposition aux xanthènes ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent des maux de tête, des nausées et des troubles de la vision."
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"@type": "Question",
"name": "Les xanthènes provoquent-ils des réactions allergiques ?",
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"name": "Comment les xanthènes affectent-ils le système nerveux ?",
"position": 8,
"acceptedAnswer": {
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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": {
"@type": "Answer",
"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": {
"@type": "Answer",
"text": "Oui, leur utilisation est souvent réglementée pour protéger la santé publique."
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"@type": "Question",
"name": "Comment informer le public sur les dangers des xanthènes ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des campagnes de sensibilisation et des brochures d'information peuvent être utiles."
}
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"@type": "Question",
"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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"@type": "Question",
"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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"name": "Peut-on utiliser des traitements naturels contre les xanthènes ?",
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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" :
In amyotrophic lateral sclerosis (ALS), motor neurons become hyperexcitable and spontaneously discharge electrical impulses causing fasciculations. These can be detected by two noninvasive methods: hi...
Twelve ALS patients and thirteen healthy participants each provided up to 24 minutes of recordings from the right biceps brachii (BB) and gastrocnemius medialis (GM). Two automated algorithms (Surface...
We identified 4,197 correlated electromechanical fasciculation events. HDSEMG reliably detected electromechanical events up to 30 mm below the skin surface with an inverse correlation between amplitud...
Prolonged fasciculation electromechanical latency indicates impairment of the excitation-contraction coupling mechanism, warranting further exploration as a potential novel biomarker of disease in ALS...
This study points to an electromechanical defect within the muscles of ALS patients....
Diagnosis of later-onset spinal muscular atrophy (SMA) can be challenging. This study aimed to evaluate the diagnostic properties of the detection of muscle fasciculations for SMA diagnosis in adolesc...
Fasciculations are an early clinical hallmark of amyotrophic lateral sclerosis (ALS), amenable to detection by high-density surface electromyography (HDSEMG). In conjunction with the Surface Potential...
Twenty patients with ALS and five patients with benign fasciculation syndrome (BFS) underwent serial 30 min HDSEMG recordings from biceps brachii and gastrocnemii. SPiQE was independently applied to a...
In total, 506 full recordings were included. The 5 min recordings demonstrated diverse and relatively poor agreement with the 30 min baselines across all parameters, muscles and patient groups (ICC = ...
For the detection and quantification of fasciculations in patients with ALS and BFS, HDSEMG recordings can be halved from 30 to 15 min without significantly compromising the primary outputs. Reliance ...
Loss of muscle thickness can be demonstrated in a wide spectrum of neuromuscular disorders, while fasciculations are more frequent in amyotrophic lateral sclerosis (ALS). In the current study, we aime...
The thickness and the presence of fasciculations in eight muscles were determined by sonography in patients with myopathy (22), polyneuropathy (36), ALS (91), and spinal muscular atrophy (SMA) (31) an...
Reduced muscle thickness in at least one relaxed muscle showed 92-100% sensitivity for diagnosing a neuromuscular disease, with a specificity of 85% for differentiating patients from heathy controls (...
Sonographic assessment of muscle thickness is a sensitive tool for diagnosing a wide spectrum of neuromuscular diseases, and may facilitate diagnosis even in patients with normal strength on neurologi...
Although fasciculation on muscle ultrasonography (MUS) is useful in diagnosing amyotrophic lateral sclerosis (ALS), its applicability to early diagnosis remains unclear. We aimed to develop and valida...
We investigated 100 patients with ALS, including 50 with early-stage ALS within 9 months from onset, and 100 without ALS. Fifteen muscles were bilaterally observed for 10 s each and the presence of fa...
Fasciculations on MUS in the brainstem or thoracic region had high specificity but limited sensitivities and predictive profiles for diagnosis of ALS. A machine learning-based model comprising eight m...
We developed and validated MUS-fasciculation-based diagnostic models for early- and later-stage ALS....
Fasciculation detected in relevant muscles on MUS can contribute to the diagnosis of ALS from the early stage....
We aimed to evaluate the effectiveness of clinical examination combined with texture analysis of magnetic resonance imaging (MRI) and fasciculation patterns of the lateral pterygoid muscle (LPM) in di...
We divided the patients into four groups: healthy control (HC), disk without displacement (DWoD), disk displacement with reduction (DDWR), and disk displacement without reduction (DDWoR). Demographic ...
Several clinical symptoms and signs, but not age or sex, differed significantly among groups. Oblique sagittal planar MRI revealed significant differences in the parameters of Angular Second Moment, C...
An 82-year-old man presented with 2-year lasting widespread muscular fasciculations, cramps, and limb stiffness, with spontaneous movements in the right lower limb, unsteady gait (Video 1), and falls....
The nicotinic symptom in Organo-Phosphate (OP) poisoning is an unusual presentation in an adult, as in our case of a 38-year-old man who also experienced decreased motor power of all limbs and diffuse...
Spinal and bulbar muscular atrophy (SBMA) is an X-linked recessive hereditary neuromuscular disorder caused by the expanded trinucleotide repeat in the androgen receptors gene. The major clinical mani...
The patient showed mildly progressive fatigue in the muscles of mastication over 3 years. Neurological examination showed facial muscle weakness and a wasting tongue with fasciculations, but the weakn...
This case calls for more attention to muscular fatigue as the onset symptoms of Kennedy's disease. ECG screening is of importance in SBMA patients and further studies are needed to investigate the tit...
We report a patient with early-onset hereditary sensory and autonomic neuropathy type 1A (HSAN-1A) who developed a distinct phenotype, with tongue fasciculation and atrophy, due to a mutation at serin...