questionsmedicales.fr
Virus
Virus à ARN
Virus à ARN à brin positif
Flaviviridae
Flaviviridae : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Virus du Nil occidental
Diagnostic
Dengue
Tests de diagnostic
Virus Zika
Tests de diagnostic
Symptômes
5
Virus du Nil occidental
Symptômes
Encéphalite japonaise
Symptômes
Prévention
5
Virus du Nil occidental
Prévention
Encéphalite japonaise
Prévention
Traitements
5
Virus du Nil occidental
Traitement
Encéphalite japonaise
Traitement
Complications
5
Fièvre jaune
Complications
Virus du Nil occidental
Complications
Encéphalite japonaise
Complications
Facteurs de risque
5
Dengue
Facteurs de risque
Virus Zika
Facteurs de risque
Fièvre jaune
Facteurs de risque
Virus du Nil occidental
Facteurs de risque
Encéphalite japonaise
Facteurs de risque
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{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Flaviviridae",
"description": "Quels sont les symptômes de la dengue ?\nQuels signes indiquent une infection par le virus Zika ?\nQuels sont les symptômes de la fièvre jaune ?\nComment se manifeste le virus du Nil occidental ?\nQuels symptômes sont associés à l'encéphalite japonaise ?",
"url": "https://questionsmedicales.fr/mesh/D018067?mesh_terms=Troponin+T#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Flaviviridae",
"description": "Comment prévenir la dengue ?\nQuelles mesures pour éviter le virus Zika ?\nComment se protéger contre la fièvre jaune ?\nQuelles sont les recommandations pour le virus du Nil occidental ?\nComment prévenir l'encéphalite japonaise ?",
"url": "https://questionsmedicales.fr/mesh/D018067?mesh_terms=Troponin+T#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Flaviviridae",
"description": "Quel est le traitement de la dengue ?\nComment traiter une infection par le virus Zika ?\nY a-t-il un traitement pour la fièvre jaune ?\nComment gérer les symptômes du virus du Nil occidental ?\nQuelles sont les options pour l'encéphalite japonaise ?",
"url": "https://questionsmedicales.fr/mesh/D018067?mesh_terms=Troponin+T#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Flaviviridae",
"description": "Quelles complications peuvent survenir avec la dengue ?\nQuels risques sont associés au virus Zika ?\nQuelles complications de la fièvre jaune ?\nQuels sont les effets à long terme du virus du Nil occidental ?\nQuelles complications peuvent survenir avec l'encéphalite japonaise ?",
"url": "https://questionsmedicales.fr/mesh/D018067?mesh_terms=Troponin+T#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Flaviviridae",
"description": "Quels sont les facteurs de risque pour la dengue ?\nQui est à risque pour le virus Zika ?\nQuels facteurs augmentent le risque de fièvre jaune ?\nQui est le plus à risque pour le virus du Nil occidental ?\nQuels sont les facteurs de risque pour l'encéphalite japonaise ?",
"url": "https://questionsmedicales.fr/mesh/D018067?mesh_terms=Troponin+T#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment diagnostiquer une infection par le virus du Nil occidental ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un diagnostic est établi par des tests sérologiques et PCR sur le sang ou le liquide céphalorachidien."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour le virus de la dengue ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les tests sérologiques (IgM, IgG) et PCR sont couramment utilisés pour diagnostiquer la dengue."
}
},
{
"@type": "Question",
"name": "Peut-on détecter le virus Zika par des tests sanguins ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le virus Zika peut être détecté par PCR ou tests sérologiques dans le sang."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une infection par le virus de la fièvre jaune ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent fièvre, douleurs musculaires, et jaunisse, nécessitant des tests spécifiques."
}
},
{
"@type": "Question",
"name": "Comment différencier la dengue de la fièvre jaune ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests sérologiques et PCR permettent de distinguer ces deux infections virales."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes de la dengue ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent fièvre, douleurs articulaires, éruptions cutanées et fatigue."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une infection par le virus Zika ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent fièvre, éruptions cutanées, douleurs articulaires et conjonctivite."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes de la fièvre jaune ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent fièvre, frissons, douleurs musculaires et jaunisse."
}
},
{
"@type": "Question",
"name": "Comment se manifeste le virus du Nil occidental ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes peuvent être asymptomatiques ou inclure fièvre, maux de tête et confusion."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont associés à l'encéphalite japonaise ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent fièvre, maux de tête, confusion et parfois des convulsions."
}
},
{
"@type": "Question",
"name": "Comment prévenir la dengue ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "La prévention inclut l'élimination des eaux stagnantes et l'utilisation de répulsifs."
}
},
{
"@type": "Question",
"name": "Quelles mesures pour éviter le virus Zika ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utiliser des répulsifs, porter des vêtements longs et éviter les zones infestées de moustiques."
}
},
{
"@type": "Question",
"name": "Comment se protéger contre la fièvre jaune ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "La vaccination est la meilleure prévention contre la fièvre jaune."
}
},
{
"@type": "Question",
"name": "Quelles sont les recommandations pour le virus du Nil occidental ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter les piqûres de moustiques, surtout au crépuscule et à l'aube, et utiliser des insecticides."
}
},
{
"@type": "Question",
"name": "Comment prévenir l'encéphalite japonaise ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "La vaccination et l'évitement des zones à risque sont essentielles pour la prévention."
}
},
{
"@type": "Question",
"name": "Quel est le traitement de la dengue ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de traitement antiviral spécifique ; le repos et l'hydratation sont recommandés."
}
},
{
"@type": "Question",
"name": "Comment traiter une infection par le virus Zika ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement est symptomatique, avec repos, hydratation et médicaments pour la douleur."
}
},
{
"@type": "Question",
"name": "Y a-t-il un traitement pour la fièvre jaune ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de traitement antiviral ; la prévention par vaccination est essentielle."
}
},
{
"@type": "Question",
"name": "Comment gérer les symptômes du virus du Nil occidental ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement est symptomatique, avec des analgésiques et des soins de soutien."
}
},
{
"@type": "Question",
"name": "Quelles sont les options pour l'encéphalite japonaise ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement est principalement symptomatique, avec des soins intensifs si nécessaire."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec la dengue ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent la dengue sévère, le choc et l'hémorragie."
}
},
{
"@type": "Question",
"name": "Quels risques sont associés au virus Zika ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le virus Zika peut causer des malformations congénitales, comme la microcéphalie."
}
},
{
"@type": "Question",
"name": "Quelles complications de la fièvre jaune ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent l'insuffisance hépatique et les hémorragies sévères."
}
},
{
"@type": "Question",
"name": "Quels sont les effets à long terme du virus du Nil occidental ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications neurologiques peuvent persister, comme des troubles cognitifs."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec l'encéphalite japonaise ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des séquelles neurologiques et des troubles de la mémoire."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour la dengue ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent vivre dans des zones tropicales et avoir des antécédents d'infections."
}
},
{
"@type": "Question",
"name": "Qui est à risque pour le virus Zika ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les femmes enceintes et les personnes vivant dans des zones endémiques sont à risque."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de fièvre jaune ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Voyager dans des zones endémiques sans vaccination augmente le risque d'infection."
}
},
{
"@type": "Question",
"name": "Qui est le plus à risque pour le virus du Nil occidental ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les personnes âgées et celles avec des maladies chroniques sont plus à risque."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour l'encéphalite japonaise ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Vivre ou voyager dans des zones rurales d'Asie augmente le risque d'infection."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 11/04/2025
Contenu vérifié selon les dernières recommandations médicales
3 publications dans cette catégorie
Affiliations :
State Research Center of Virology and Biotechnology «Vector».
Publications dans "Flaviviridae" :
3 publications dans cette catégorie
Affiliations :
State Research Center of Virology and Biotechnology «Vector».
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Public Health Virology, Forensic and Scientific Services, Department of Health, Coopers Plains, Australia.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
College of Public Health, Medical and Veterinary Sciences, James Cook University, Smithfield, Australia.
Australian Institute of Tropical Health and Medicine, James Cook University, Smithfield, Australia.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Public Health Virology, Forensic and Scientific Services, Department of Health, Coopers Plains, Australia.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Department of Molecular and Medical Virology, Ruhr-University Bochum, 44801 Bochum, Germany. eike.steinmann@rub.de.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
University Equine Clinic - Internal Medicine, Department for Companion Animals and Horses, University of Veterinary Medicine Vienna, Veterinärplatz 1, 1210 Vienna, Austria. jessika.cavalleri@vetmeduni.ac.at.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Centre Armand-Frappier santé biotechnologie, Institut national de la recherche scientifique, Laval, Québec, Canada.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Centre Armand-Frappier santé biotechnologie, Institut national de la recherche scientifique, Laval, Québec, Canada.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Centre Armand-Frappier santé biotechnologie, Institut national de la recherche scientifique, Laval, Québec, Canada.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
State Research Center of Virology and Biotechnology «Vector».
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Russian Research Anti-Plague Institute «Microbe».
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
State Research Center of Virology and Biotechnology «Vector».
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan.
Publications dans "Flaviviridae" :
2 publications dans cette catégorie
Affiliations :
Department of Medical Entomology, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan.
Publications dans "Flaviviridae" :
1 publication dans cette catégorie
Affiliations :
Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
Department of Pathogen Biology, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China.
Publications dans "Flaviviridae" :
1 publication dans cette catégorie
Affiliations :
Department of Pathogen Biology, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China.
Publications dans "Flaviviridae" :
1 publication dans cette catégorie
Affiliations :
Department of Pathogen Biology, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China.
Publications dans "Flaviviridae" :
1 publication dans cette catégorie
Affiliations :
NHC Key Laboratory of Biosafety, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China. tanwj@ivdc.chinacdc.cn.
Publications dans "Flaviviridae" :
1 publication dans cette catégorie
Affiliations :
Engineering for Research, Thoughtworks Technologies, Pune, Maharashtra 411006, India.
Publications dans "Flaviviridae" :
Troponin elevation is frequently observed in various scenarios in the Emergency Department (ED), yet there is a paucity of studies investigating simultaneously measured high-sensitivity cardiac tropon...
All patients who underwent troponin testing at a single center were eligible for this study. Only patients with simultaneous samples with hs-cTnI (Siemens) and hs-cTnT (Roche) were included, regardles...
Analysis of 1987 samples from 1134 patients showed a significant correlation between hs-cTnT and hs-cTnI (r = 0.86, p < 0.01). Of these samples, 65% exceeded the upper reference limit (URL) for hs-cTn...
Elevated troponins above the URL were very common in this diverse cohort, particularly for hs-cTnT, which was twice as frequent compared to hs-cTnI, resulting in low specificity and PPV for AMI....
We examined the diagnostic performance of a recalibrated History, Electrocardiogram, Age, Risk factors, Troponin (HEART), and Thrombolysis in Myocardial Infarction (TIMI) score in patients with suspec...
We undertook a 2-center prospective cohort study in the United Kingdom (UK) (2018) (Clinicaltrials.gov NCT03619733) to specifically assess recalibrated risk scores (shifting the troponin subset scorin...
We studied 3,752 patients (3,003 in the UK and 749 in the United States). Median age was 58 years, and 48% were female. At 30 days, 330/3,752 (8.8%) experienced MACE. The sensitivities of the original...
This study indicates that recalibrated HEART score of less or equal to 3 is a feasible and safe early discharge strategy using a single presentation hs-cTnT. This finding should be further tested usin...
The HEART Pathway is widely used for chest pain risk stratification but has yet to be optimized for high sensitivity troponin T (hs-cTnT) assays....
We conducted a secondary analysis of STOP-CP, a prospective cohort study enrolling adult ED patients with symptoms suggestive of acute coronary syndrome at 8 sites in the United States (US). Patients ...
Among the 1452 patients, 30-day cardiac death or MI occurred in 12.7% (184/1452). Within the derivation cohort the optimal hs-cTnT HEART Pathway classified 36.5% (266/729) into the rule-out group, yie...
A novel hs-cTnT HEART Pathway with serial 0- and 1-hour hs-cTnT measures has high NPV and moderate PPV for 30-day cardiac death or MI....
The diagnosis of acute myocardial infarction (AMI), especially within the first hours after onset of ischemia, poses a challenge to the forensic pathologist. During this time, the infarction is genera...
Elevations of high-sensitivity cardiac troponin (hs-cTn) concentrations not related to type 1 myocardial infarction are common in chest pain patients presenting to emergency departments. The discrimin...
We calculated the hs-cTn I/T ratio in 888 chest pain patients having hs-cTnI (Abbott Laboratories) or hs-cTnT (Roche Diagnostics) concentrations above the respective 99th percentile at 2 hours from pr...
The median hs-cTn I/T ratio was 3.45 (25th, 75th percentiles 1.80-6.59) in type 1 MI patients (n = 408 ☯46.0%]), 1.18 (0.81-1.90) in type 2 MI patients (n = 56 ☯6.3%]) and 0.67 (0.39-1.12) in patients...
The hs-cTn I/T ratio appears to be useful for early diagnosis of type 1 MI and its discrimination from type 2 MI in chest pain patients presenting with elevated hs-cTn. Differences in hs-cTn I/T ratio...
Blood measurement of cardiac troponin T (cTnT) is one of the most widespread methods of acute myocardial infarction (MI) diagnosis. cTnT degradation may have a significant influence on the precision o...
Serial heparin plasma samples were collected from 37 MI patients 2-37 h following the onset of MI. cTnT and its fragments were studied by western blotting and immunofluorescence analysis using monoclo...
cTnT was present in the blood of MI patients as 23 proteolytic fragments with an apparent molecular mass of ∼ 8-37 kDa. Two major sites of cTnT degradation were identified: between amino acid residues...
cTnT progressively degrades after MI and appears in the blood as a mixture of 23 proteolytic fragments. The cTnT region approximately bordered by aar 69-158 is a promising target for antibodies used f...
Background The prognostic implications of temporal change of previously stable high-sensitivity cardiac troponin concentrations are unknown. We investigated the prognosis associated with temporal chan...
Though false elevations attributed to preanalytical specimen handling have been widely reported for Troponin I (TnI), Troponin T (TnT) has appeared more robust to falsely elevated Tn. We describe repr...
This study is aimed at testing the hypothesis that serum analysis of high-sensitivity troponin T in neonates may serve as a diagnostic tool to predict the risk of gestational diabetes mellitus (GDM). ...
Troponin assays are used in the diagnosis of myocardial injury and may show elevated results for a variety of reasons. However it is increasingly recognised that cardiac troponin elevation may in some...
We identified patients presenting to two local emergency departments over a five-day period who had chsTnT levels measured as part of routine clinical care. All samples with elevated chsTnT levels (ab...
A total of 74 samples from 54 patients were analysed for chsTnT and chsTnI. 7 samples (9.5%) had chsTnI levels < 5 ng/L suggesting assay interference as the cause of chsTnT elevation....
Assay interference leading to false positive troponin elevation may be more common than many physicians appreciate and can potentially lead to harmful investigation and treatment for patients. In case...