Titre : Fièvre chikungunya

Fièvre chikungunya : Questions médicales fréquentes

Termes MeSH sélectionnés :

Sample Size
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Fièvre chikungunya : Questions médicales les plus fréquentes", "headline": "Fièvre chikungunya : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Fièvre chikungunya : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-04-09", "dateModified": "2025-04-04", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Fièvre chikungunya" }, "suggestedMinAge": 18, "suggestedGender": "unisex" }, { "@type": "MedicalAudience", "name": "Médecins", "audienceType": "Physician", "geographicArea": { "@type": "AdministrativeArea", "name": "France" } }, { "@type": "MedicalAudience", "name": "Chercheurs", "audienceType": "Researcher", "geographicArea": { "@type": "AdministrativeArea", "name": "International" } } ], "reviewedBy": { "@type": "Person", "name": "Dr Olivier Menir", "jobTitle": "Expert en Médecine", "description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale", "url": "/static/pages/docteur-olivier-menir.html", "alumniOf": { "@type": "EducationalOrganization", "name": "Université Paris Descartes" } }, "isPartOf": { "@type": "MedicalWebPage", "name": "Infections à alphavirus", "url": "https://questionsmedicales.fr/mesh/D018354", "about": { "@type": "MedicalCondition", "name": "Infections à alphavirus", "code": { "@type": "MedicalCode", "code": "D018354", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "C01.925.782.930.100" } } }, "about": { "@type": "MedicalCondition", "name": "Fièvre chikungunya", "alternateName": "Chikungunya Fever", "code": { "@type": "MedicalCode", "code": "D065632", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "Angela Luzia Branco Pinto Duarte", "url": "https://questionsmedicales.fr/author/Angela%20Luzia%20Branco%20Pinto%20Duarte", "affiliation": { "@type": "Organization", "name": "Departamento de Medicina Clínica, Universidade Federal de Pernambuco, Recife, PE, Brasil." } }, { "@type": "Person", "name": "Claudia Diniz Lopes Marques", "url": "https://questionsmedicales.fr/author/Claudia%20Diniz%20Lopes%20Marques", "affiliation": { "@type": "Organization", "name": "Serviço de Reumatologia - Hospital das Clínicas da Universidade Federal de Pernambuco, Núcleo de Pesquisa em Inovação Terapêutica Suely Galdino (Nupit-SG)/ UFPE, Endereço: Av. Prof. Moraes Rego, 1235 - Cidade Universitária, Recife, PE, CEP: 50670-901, Brazil." } }, { "@type": "Person", "name": "Scott C Weaver", "url": "https://questionsmedicales.fr/author/Scott%20C%20Weaver", "affiliation": { "@type": "Organization", "name": "" } }, { "@type": "Person", "name": "Nara Gualberto Cavalcanti", "url": "https://questionsmedicales.fr/author/Nara%20Gualberto%20Cavalcanti", "affiliation": { "@type": "Organization", "name": "Serviço de Reumatologia - Hospital das Clínicas da Universidade Federal de Pernambuco, Núcleo de Pesquisa em Inovação Terapêutica Suely Galdino (Nupit-SG)/ UFPE, Endereço: Av. Prof. Moraes Rego, 1235 - Cidade Universitária, Recife, PE, CEP: 50670-901, Brazil. Electronic address: nara.gual@gmail.com." } }, { "@type": "Person", "name": "Moacyr Jesus Barreto de Melo Rêgo", "url": "https://questionsmedicales.fr/author/Moacyr%20Jesus%20Barreto%20de%20Melo%20R%C3%AAgo", "affiliation": { "@type": "Organization", "name": "Serviço de Reumatologia - Hospital das Clínicas da Universidade Federal de Pernambuco, Núcleo de Pesquisa em Inovação Terapêutica Suely Galdino (Nupit-SG)/ UFPE, Endereço: Av. Prof. Moraes Rego, 1235 - Cidade Universitária, Recife, PE, CEP: 50670-901, Brazil." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "Average nucleotide diversity should be weighted by per-site sample size.", "datePublished": "2022-11-24", "url": "https://questionsmedicales.fr/article/36377254", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1111/1755-0998.13738" } }, { "@type": "ScholarlyArticle", "name": "Sample size recalculation based on the prevalence in a randomized test-treatment study.", "datePublished": "2022-07-25", "url": "https://questionsmedicales.fr/article/35879675", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1186/s12874-022-01678-7" } }, { "@type": "ScholarlyArticle", "name": "Matching ratio and sample size for optimal sequential testing with binomial data.", "datePublished": "2023-06-06", "url": "https://questionsmedicales.fr/article/37278182", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1177/09622802231176031" } }, { "@type": "ScholarlyArticle", "name": "Sample Size and Estimation of Standard Radiation Doses for Pediatric Brain CT.", "datePublished": "2022-10-01", "url": "https://questionsmedicales.fr/article/36287806", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.3390/tomography8050207" } }, { "@type": "ScholarlyArticle", "name": "Optimum stratum boundaries and sample sizes for Covid-19 data in Egypt.", "datePublished": "2022-07-28", "url": "https://questionsmedicales.fr/article/35900989", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1371/journal.pone.0271220" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Infection", "item": "https://questionsmedicales.fr/mesh/D007239" }, { "@type": "ListItem", "position": 3, "name": "Maladies virales", "item": "https://questionsmedicales.fr/mesh/D014777" }, { "@type": "ListItem", "position": 4, "name": "Infections à virus à ARN", "item": "https://questionsmedicales.fr/mesh/D012327" }, { "@type": "ListItem", "position": 5, "name": "Infections à Togaviridae", "item": "https://questionsmedicales.fr/mesh/D014036" }, { "@type": "ListItem", "position": 6, "name": "Infections à alphavirus", "item": "https://questionsmedicales.fr/mesh/D018354" }, { "@type": "ListItem", "position": 7, "name": "Fièvre chikungunya", "item": "https://questionsmedicales.fr/mesh/D065632" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Fièvre chikungunya - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Fièvre chikungunya", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-17", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Fièvre chikungunya", "description": "Comment diagnostiquer la fièvre chikungunya ?\nQuels tests sont utilisés pour confirmer l'infection ?\nQuels symptômes indiquent une infection ?\nLa fièvre chikungunya est-elle confondue avec d'autres maladies ?\nQuel est le délai d'apparition des symptômes ?", "url": "https://questionsmedicales.fr/mesh/D065632?mesh_terms=Sample+Size&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Fièvre chikungunya", "description": "Quels sont les symptômes principaux de la fièvre chikungunya ?\nLa douleur articulaire est-elle persistante ?\nY a-t-il des symptômes gastro-intestinaux ?\nLes symptômes varient-ils selon l'âge ?\nPeut-on avoir des symptômes sans fièvre ?", "url": "https://questionsmedicales.fr/mesh/D065632?mesh_terms=Sample+Size&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Fièvre chikungunya", "description": "Comment prévenir la fièvre chikungunya ?\nLes moustiquaires sont-elles efficaces ?\nFaut-il éliminer les eaux stagnantes ?\nLes vaccins existent-ils pour cette maladie ?\nComment se protéger lors de voyages ?", "url": "https://questionsmedicales.fr/mesh/D065632?mesh_terms=Sample+Size&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Fièvre chikungunya", "description": "Quel est le traitement recommandé pour la fièvre chikungunya ?\nLes anti-inflammatoires sont-ils efficaces ?\nFaut-il se reposer pendant la maladie ?\nDes remèdes naturels sont-ils utiles ?\nQuand consulter un médecin ?", "url": "https://questionsmedicales.fr/mesh/D065632?mesh_terms=Sample+Size&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Fièvre chikungunya", "description": "Quelles sont les complications possibles de la fièvre chikungunya ?\nLa fièvre chikungunya peut-elle être mortelle ?\nLes personnes âgées sont-elles plus à risque ?\nY a-t-il des risques de co-infection ?\nComment gérer les douleurs chroniques post-chikungunya ?", "url": "https://questionsmedicales.fr/mesh/D065632?mesh_terms=Sample+Size&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Fièvre chikungunya", "description": "Qui est le plus à risque de contracter la maladie ?\nLes femmes enceintes sont-elles plus vulnérables ?\nLes personnes immunodéprimées sont-elles à risque ?\nLes enfants sont-ils plus touchés ?\nLes voyages dans des zones endémiques augmentent-ils le risque ?", "url": "https://questionsmedicales.fr/mesh/D065632?mesh_terms=Sample+Size&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer la fièvre chikungunya ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic repose sur les symptômes cliniques et des tests sérologiques ou PCR." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour confirmer l'infection ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests sérologiques détectent les anticorps, tandis que la PCR identifie le virus." } }, { "@type": "Question", "name": "Quels symptômes indiquent une infection ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Fièvre, douleurs articulaires, éruptions cutanées et fatigue sont des indicateurs clés." } }, { "@type": "Question", "name": "La fièvre chikungunya est-elle confondue avec d'autres maladies ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut être confondue avec la dengue ou le virus Zika en raison de symptômes similaires." } }, { "@type": "Question", "name": "Quel est le délai d'apparition des symptômes ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes apparaissent généralement 4 à 8 jours après la piqûre d'un moustique infecté." } }, { "@type": "Question", "name": "Quels sont les symptômes principaux de la fièvre chikungunya ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fièvre, douleurs articulaires, maux de tête et éruptions cutanées." } }, { "@type": "Question", "name": "La douleur articulaire est-elle persistante ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la douleur articulaire peut persister plusieurs mois après la guérison initiale." } }, { "@type": "Question", "name": "Y a-t-il des symptômes gastro-intestinaux ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme des nausées ou des vomissements peuvent survenir, mais sont moins fréquents." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon l'âge ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les enfants et les personnes âgées peuvent présenter des symptômes plus sévères et prolongés." } }, { "@type": "Question", "name": "Peut-on avoir des symptômes sans fièvre ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines personnes peuvent éprouver des douleurs articulaires sans fièvre initiale." } }, { "@type": "Question", "name": "Comment prévenir la fièvre chikungunya ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Évitez les piqûres de moustiques en utilisant des répulsifs et en portant des vêtements longs." } }, { "@type": "Question", "name": "Les moustiquaires sont-elles efficaces ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les moustiquaires traitées avec insecticide protègent contre les piqûres de moustiques." } }, { "@type": "Question", "name": "Faut-il éliminer les eaux stagnantes ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, éliminer les eaux stagnantes réduit les lieux de reproduction des moustiques." } }, { "@type": "Question", "name": "Les vaccins existent-ils pour cette maladie ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Actuellement, il n'existe pas de vaccin approuvé contre la fièvre chikungunya." } }, { "@type": "Question", "name": "Comment se protéger lors de voyages ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Utilisez des répulsifs, portez des vêtements longs et choisissez des hébergements protégés." } }, { "@type": "Question", "name": "Quel est le traitement recommandé pour la fièvre chikungunya ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de traitement antiviral spécifique; les soins sont symptomatiques." } }, { "@type": "Question", "name": "Les anti-inflammatoires sont-ils efficaces ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les anti-inflammatoires non stéroïdiens peuvent soulager la douleur et l'inflammation." } }, { "@type": "Question", "name": "Faut-il se reposer pendant la maladie ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Un repos adéquat est conseillé pour aider à la récupération et réduire la fatigue." } }, { "@type": "Question", "name": "Des remèdes naturels sont-ils utiles ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Certains remèdes naturels peuvent aider à soulager les symptômes, mais peu de preuves existent." } }, { "@type": "Question", "name": "Quand consulter un médecin ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Consultez un médecin si les symptômes s'aggravent ou si des complications apparaissent." } }, { "@type": "Question", "name": "Quelles sont les complications possibles de la fièvre chikungunya ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des douleurs articulaires chroniques et des problèmes neurologiques." } }, { "@type": "Question", "name": "La fièvre chikungunya peut-elle être mortelle ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "La fièvre chikungunya n'est généralement pas mortelle, mais des complications peuvent survenir." } }, { "@type": "Question", "name": "Les personnes âgées sont-elles plus à risque ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées peuvent développer des complications plus graves et prolongées." } }, { "@type": "Question", "name": "Y a-t-il des risques de co-infection ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la co-infection avec d'autres virus comme la dengue peut compliquer le tableau clinique." } }, { "@type": "Question", "name": "Comment gérer les douleurs chroniques post-chikungunya ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "La gestion inclut des traitements anti-inflammatoires et des thérapies physiques." } }, { "@type": "Question", "name": "Qui est le plus à risque de contracter la maladie ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les personnes vivant dans des zones endémiques et celles exposées aux moustiques sont à risque." } }, { "@type": "Question", "name": "Les femmes enceintes sont-elles plus vulnérables ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les femmes enceintes peuvent avoir des complications plus graves et affecter le fœtus." } }, { "@type": "Question", "name": "Les personnes immunodéprimées sont-elles à risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes immunodéprimées peuvent développer des formes plus sévères de la maladie." } }, { "@type": "Question", "name": "Les enfants sont-ils plus touchés ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Les enfants peuvent contracter la maladie, mais les symptômes sont souvent moins sévères." } }, { "@type": "Question", "name": "Les voyages dans des zones endémiques augmentent-ils le risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, voyager dans des zones où le chikungunya est présent augmente le risque d'infection." } } ] } ] }

Sources (10000 au total)

Sample size recalculation based on the prevalence in a randomized test-treatment study.

Randomized test-treatment studies aim to evaluate the clinical utility of diagnostic tests by providing evidence on their impact on patient health. However, the sample size calculation is affected by ... An adaptive design with a blinded sample size recalculation in a randomized test-treatment study based on the prevalence is proposed and evaluated by a simulation study. The results of the adaptive de... The adaptive design achieves the desired theoretical power, under the assumption that all other nuisance parameters have been specified correctly, while wrong assumptions regarding the prevalence may ... The consideration of a blinded recalculation of the sample size already during the planning of the study may be advisable in order to increase the possibility of success as well as an enhanced process...

Sample size recalculation in three-stage clinical trials and its evaluation.

In clinical trials, the determination of an adequate sample size is a challenging task, mainly due to the uncertainty about the value of the effect size and nuisance parameters. One method to deal wit... In our research, we address sample size recalculation in three-stage trials, i.e. trials with two pre-planned interim analyses. We show how recalculation rules from two-stage trials can be modified to... While we observe a notable favorable effect in terms of power and expected sample size by using three-stage designs compared to two-stage designs, the benefits of recalculation rules appear less clear... Sample size recalculation is also applicable in three-stage designs. However, the extent to which recalculation brings benefits depends on which trial characteristics are most important to the applica...

Required sample size to detect mediation in 3-level implementation studies.

Statistical tests of mediation are important for advancing implementation science; however, little research has examined the sample sizes needed to detect mediation in 3-level designs (e.g., organizat... Statistical power was estimated for 17,496 3-level mediation designs in which the independent variable (X) resided at the highest cluster level (e.g., organization), the mediator (M) resided at the in... For 2-sided tests, statistical power to detect mediation was sufficient (≥0.8) in only 463 designs (2.6%) estimated using MVM and 228 designs (1.3%) estimated using MSEM; the minimum number of highest... While our analysis has important limitations, results suggest many of the 3-level mediation designs that can realistically be conducted in implementation research lack statistical power to detect medi...

Sample size calculation for prevalence studies using Scalex and ScalaR calculators.

Although books and articles guiding the methods of sample size calculation for prevalence studies are available, we aim to guide, assist and report sample size calculation using the present calculator... We present and discuss four parameters (namely level of confidence, precision, variability of the data, and anticipated loss) required for sample size calculation for prevalence studies. Choosing corr... Two calculators can be used with free software (Spreadsheet and RStudio) that benefit researchers with limited resources. It will, hopefully, minimize the errors in parameter selection, calculation, a...