questionsmedicales.fr
Facteurs biologiques
Antigènes
Superantigènes
Superantigènes : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Infections bactériennes
Anticorps
Tests diagnostiques
Culture bactérienne
Symptômes
Diagnostic différentiel
Allergies
Tests d'allergie
Symptômes
5
Choc toxique
Éruption cutanée
Symptômes neurologiques
Céphalée
Souches bactériennes
Variabilité des symptômes
Temps d'apparition
Exposition
Prévention
5
Prévention des infections
Hygiène
Sécurité alimentaire
Contamination
Mesures d'hygiène
Pratiques préventives
Milieu hospitalier
Désinfection
Traitements
5
Corticostéroïdes
Inflammation
Hospitalisation
Choc toxique
Traitement symptomatique
Antipyrétiques
Traitement spécifique
Superantigènes
Complications
5
Lésions organiques
Insuffisance rénale
Récidive
Facteurs de risque
Immunodépression
Complications
Développement rapide
Complications
Facteurs de risque
5
Immunodépression
Interventions chirurgicales
Enfants
Système immunitaire
Antécédents médicaux
Infections
Conditions de vie
Insalubrité
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"@type": "Question",
"name": "Comment diagnostique-t-on une infection par superantigènes ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le diagnostic repose sur des tests sérologiques et l'identification des toxines."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour détecter les superantigènes ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests ELISA et des cultures bactériennes peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "Les symptômes aident-ils au diagnostic des superantigènes ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes cliniques orientent le diagnostic, mais ne sont pas spécifiques."
}
},
{
"@type": "Question",
"name": "Peut-on identifier des superantigènes par PCR ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la PCR peut détecter les gènes codant pour les superantigènes."
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"@type": "Question",
"name": "Les tests d'allergie sont-ils utiles pour les superantigènes ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, les tests d'allergie ne sont pas pertinents pour les superantigènes."
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{
"@type": "Question",
"name": "Quels sont les symptômes d'une intoxication par superantigènes ?",
"position": 6,
"acceptedAnswer": {
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"text": "Les symptômes incluent fièvre, éruption cutanée, et choc toxique."
}
},
{
"@type": "Question",
"name": "Les superantigènes provoquent-ils des douleurs ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des douleurs musculaires et articulaires peuvent survenir."
}
},
{
"@type": "Question",
"name": "Y a-t-il des symptômes neurologiques associés ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes neurologiques comme des maux de tête peuvent apparaître."
}
},
{
"@type": "Question",
"name": "Les symptômes varient-ils selon le type de superantigène ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent varier selon la souche bactérienne impliquée."
}
},
{
"@type": "Question",
"name": "Les symptômes sont-ils immédiats après exposition ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes peuvent apparaître rapidement, souvent dans les 24 heures."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infections par superantigènes ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "La prévention passe par une bonne hygiène et des pratiques alimentaires sûres."
}
},
{
"@type": "Question",
"name": "Les vaccins peuvent-ils prévenir les infections par superantigènes ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Actuellement, il n'existe pas de vaccins spécifiques contre les superantigènes."
}
},
{
"@type": "Question",
"name": "Faut-il éviter certains aliments pour prévenir les superantigènes ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, éviter les aliments mal cuits ou contaminés peut réduire le risque."
}
},
{
"@type": "Question",
"name": "Les mesures d'hygiène sont-elles suffisantes ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles sont essentielles, mais doivent être combinées avec d'autres pratiques préventives."
}
},
{
"@type": "Question",
"name": "Les superantigènes peuvent-ils être évités en milieu hospitalier ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des protocoles stricts d'hygiène et de désinfection aident à prévenir leur propagation."
}
},
{
"@type": "Question",
"name": "Quel est le traitement principal pour les infections par superantigènes ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement principal est l'administration d'antibiotiques appropriés."
}
},
{
"@type": "Question",
"name": "Les corticostéroïdes sont-ils efficaces contre les superantigènes ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les corticostéroïdes peuvent réduire l'inflammation mais ne traitent pas l'infection."
}
},
{
"@type": "Question",
"name": "Faut-il hospitaliser les patients atteints de superantigènes ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'hospitalisation peut être nécessaire en cas de choc toxique sévère."
}
},
{
"@type": "Question",
"name": "Les traitements symptomatiques sont-ils recommandés ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des traitements symptomatiques comme des antipyrétiques peuvent être utiles."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements spécifiques pour les superantigènes ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Actuellement, il n'existe pas de traitement spécifique ciblant les superantigènes."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications possibles des infections par superantigènes ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent le choc toxique, la défaillance multiviscérale et la septicémie."
}
},
{
"@type": "Question",
"name": "Les superantigènes peuvent-ils causer des lésions organiques ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent entraîner des lésions aux reins, au foie et aux poumons."
}
},
{
"@type": "Question",
"name": "Y a-t-il un risque de récidive après une infection par superantigènes ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les infections peuvent récidiver, surtout si les facteurs de risque persistent."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles plus fréquentes chez certains patients ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les patients immunodéprimés sont plus à risque de complications graves."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles survenir rapidement ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines complications peuvent se développer rapidement après l'infection."
}
},
{
"@type": "Question",
"name": "Quels sont les principaux facteurs de risque pour les infections par superantigènes ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'immunodépression, les interventions chirurgicales et l'hygiène insuffisante."
}
},
{
"@type": "Question",
"name": "Les enfants sont-ils plus à risque d'infections par superantigènes ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les enfants peuvent être plus vulnérables en raison de leur système immunitaire immature."
}
},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles à risque accru ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes âgées ont un risque accru en raison de la diminution de l'immunité."
}
},
{
"@type": "Question",
"name": "Les antécédents d'infections augmentent-ils le risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents d'infections peuvent prédisposer à de nouvelles infections."
}
},
{
"@type": "Question",
"name": "Les conditions de vie peuvent-elles influencer le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des conditions de vie insalubres augmentent le risque d'infections par superantigènes."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 20/03/2025
Contenu vérifié selon les dernières recommandations médicales
6 publications dans cette catégorie
Affiliations :
Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15261.
6 publications dans cette catégorie
Affiliations :
Department of Pediatrics, Division of Pediatric Infectious Diseases and Immunology, Cedars-Sinai Medical Center, Los Angeles, CA 90048.
Department of Biomedical Sciences, Infectious and Immunologic Diseases Research Center, Cedars-Sinai Medical Center, Los Angeles, CA 90048.
6 publications dans cette catégorie
Affiliations :
Department of Pediatrics, Division of Pediatric Infectious Diseases and Immunology, Cedars-Sinai Medical Center, Los Angeles, CA 90048.
Department of Biomedical Sciences, Infectious and Immunologic Diseases Research Center, Cedars-Sinai Medical Center, Los Angeles, CA 90048.
6 publications dans cette catégorie
Affiliations :
Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15261.
5 publications dans cette catégorie
Affiliations :
Antibody & Product Development Lab, Experimental Drug Development Centre - Bioinformatics Institute (EDDC-BII), Agency for Science Technology and Research (ASTAR), Singapore, Singapore.
James Cook University, Singapore, Singapore.
Publications dans "Superantigènes" :
5 publications dans cette catégorie
Affiliations :
Department of Pediatrics, Division of Pediatric Infectious Diseases and Immunology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
Biomedical Sciences, Infectious and Immunologic Diseases Research Center, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
Publications dans "Superantigènes" :
4 publications dans cette catégorie
Affiliations :
Department of Microbiology and Immunology, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Ontario, Canada.
Lawson Health Research Institute, London, Ontario, Canada.
Publications dans "Superantigènes" :
4 publications dans cette catégorie
Affiliations :
Antibody & Product Development Laboratory, Experimental Drug Development Centre-Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore 138672, Singapore.
Newcastle Research and Innovation Institute (NewRIIS), Singapore 609607, Singapore.
Publications dans "Superantigènes" :
4 publications dans cette catégorie
Affiliations :
Antibody & Product Development Laboratory, Experimental Drug Development Centre-Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore 138672, Singapore.
Publications dans "Superantigènes" :
4 publications dans cette catégorie
Affiliations :
Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-Dori, Mizuho-ku, Nagoya, 467-8603, Japan. Electronic address: s-itoh@phar.nagoya-cu.ac.jp.
Publications dans "Superantigènes" :
4 publications dans cette catégorie
Affiliations :
Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-Dori, Mizuho-ku, Nagoya, 467-8603, Japan.
Publications dans "Superantigènes" :
3 publications dans cette catégorie
Affiliations :
Department of Microbiology and Immunology, Carver College of Medicine, University of Iowa, Iowa City, IA, USA.
Publications dans "Superantigènes" :
3 publications dans cette catégorie
Affiliations :
Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore.
Publications dans "Superantigènes" :
3 publications dans cette catégorie
Affiliations :
Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore.
Publications dans "Superantigènes" :
3 publications dans cette catégorie
Affiliations :
Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore.
Publications dans "Superantigènes" :
3 publications dans cette catégorie
Affiliations :
Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China.
Key Laboratory of Superantigen Research, Shenyang Bureau of Science and Technology, Shenyang, China.
Publications dans "Superantigènes" :
3 publications dans cette catégorie
Affiliations :
Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China.
Key Laboratory of Superantigen Research, Shenyang Bureau of Science and Technology, Shenyang, China.
Publications dans "Superantigènes" :
3 publications dans cette catégorie
Affiliations :
Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China.
Key Laboratory of Superantigen Research, Shenyang Bureau of Science and Technology, Shenyang, China.
Publications dans "Superantigènes" :
3 publications dans cette catégorie
Affiliations :
Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China.
Key Laboratory of Superantigen Research, Shenyang Bureau of Science and Technology, Shenyang, China.
Publications dans "Superantigènes" :
2 publications dans cette catégorie
Affiliations :
Protein Engineering Unit, Life and Science Research Department, Anti-Doping Lab-Qatar (ADLQ), Doha, Qatar; Drug Design Group, Department of Pharmacy, University of Groningen, Groningen, the Netherlands.
Publications dans "Superantigènes" :
Automatic polysomnography analysis can be leveraged to shorten scoring times, reduce associated costs, and ultimately improve the overall diagnosis of sleep disorders. Multiple and diverse strategies ...
Morningness-eveningness preference, also known as chronotype, is the tendency for a person to sleep during certain hours of the day and is broadly categorised into morning and evening types. In-labora...
Children with genetic skeletal disorders have variable conditions that can lead to sleep-disordered breathing, and polysomnography is the gold standard for diagnosing this condition. We aimed to revie...
The importance polysomnography (PSG) in the diagnosis and treatment process of insomnia disorder (ID) remains highly disputed. This review summarises the state of the science regarding PSG indications...
Sleep disorders in patients with autoimmune encephalitis (AE) are increasingly reported. Early recognition and treatment have significant importance regarding the potential of sleep disorders' effect ...
Seventeen patients with diagnosed AE and acute or subacute onset sleep complaints who underwent video-electroencephalography-PSG recordings in our tertiary center were investigated....
The mean age was 50, with eight females and nine males. The detected antibodies were against leucine-rich glioma-inactivated 1(LGI-1) in 6, anti-contactin-associated protein-2(CASPR2) in 3, voltage-ga...
Sleep disorders are frequent and essential components of AEs. Systematic clinical questionnaires and routine PSG assessments would significantly impact the correct diagnosis and proper treatment of SR...
To characterize 1) the relationship between laxative use and objective sleep metrics, and 2) the relationship between laxative use and self-reported insomnia symptoms in a convenience sample of middle...
We cross-sectionally analyzed first-night diagnostic in-laboratory polysomnography data for 2946 patients over the age of 40 (mean age 60.5 years; 48.3% male). Laxative use and medical comorbidities w...
After adjusting for age, sex, body mass index, total recording time, and relevant comorbidities, laxative users had a 7.1% lower sleep efficiency (...
Laxative use is associated with impairments in objective sleep continuity. Patients using laxatives were also at greater odds of reporting insomnia symptoms....
We provide an umbrella review of the reported polysomnographic changes in patients with neuropsychiatric diseases compared with healthy controls....
An electronic literature search was conducted in EMBASE, MEDLINE, All EBM databases, CINAHL, and PsycINFO. Meta-analyses of case-control studies investigating the polysomnographic changes in patients ...
We identified 27 articles, including 465 case-control studies in 27 neuropsychiatric diseases. The levels of evidence of polysomnographic changes in neuropsychiatric diseases were highly suggestive fo...
The credibility of evidence for sleep characteristics in 27 neuropsychiatric diseases varied across polysomnographic variables and diseases. When considering the patterns of altered PSG variables, no ...
Due to potential issues, several sleep laboratories conduct sleep bruxism diagnosis without the use of a camera, instead relying mostly on electromyographic monitoring. The purpose of the study was to...
To provide an updated comparison of apnea-hypopnea index (AHI), oxygen desaturation index (ODI), respiratory disturbance index (RDI), oxygen saturation (O...
Primary studies were identified through PubMed, Scopus, CINAHL, and Cochrane....
A systematic review was performed by searching databases from inception through August 2021. Only studies examining simultaneous monitoring of a PSSD and PSG were included. Respiratory indices AHI, OD...
A total of 24 studies (N = 1644 patients) were included. The mean age was 49.5 ± 12.0 (range = 13-92), mean body mass index (BMI) was 30.4 ± 5.7 (range = 17-87), and 69.4% were male. Meta-correlation ...
Respiratory indices correlate strongly between PSSD and PSG, which is further supported by meta-regressions results. PSSD might be a valuable cost and time-saving OSA screening tool....
It is estimated that half of Canadians have insufficient sleep, which over time is associated with poor physical and mental health. Currently, the only publicly funded option for the diagnosis of slee...
We performed a systematic literature search of the clinical evidence to identify diagnostic accuracy, test failures and subjective measures of patient preferences. We assessed the risk of bias of each...
We included 10 studies that reported on diagnostic accuracy and found level 2 polysomnography had sensitivity ranging between 0.76-1.0 and specificity ranging between 0.40-1.0 (GRADE: Moderate to Very...
Level 2 polysomnography may have good test performance for adults and children, with adequate diagnostic accuracy, compared with level 1 polysomnography. The economic analyses showed that level 2 poly...