Comment détecte-t-on un génome viral ?

On utilise des techniques comme la PCR pour identifier le matériel génétique viral.

Quels tests sont utilisés pour le génome viral ?

Les tests sérologiques et les tests moléculaires sont couramment utilisés.

Peut-on séquencer un génome viral ?

Oui, le séquençage permet d'analyser la structure du génome viral.

Quels symptômes indiquent une infection virale ?

Fièvre, fatigue, toux et douleurs musculaires peuvent signaler une infection virale.

Comment différencier les virus par leur génome ?

L'analyse du type d'acide nucléique (ADN ou ARN) aide à classer les virus.

Quels sont les symptômes d'une infection virale ?

Les symptômes incluent fièvre, toux, fatigue, et parfois éruptions cutanées.

Les symptômes varient-ils selon le virus ?

Oui, chaque virus peut provoquer des symptômes spécifiques selon son type.

Comment les symptômes évoluent-ils ?

Les symptômes peuvent s'aggraver ou s'améliorer selon la réponse immunitaire.

Les symptômes sont-ils toujours présents ?

Non, certains virus peuvent être asymptomatiques chez certaines personnes.

Quels symptômes indiquent une complication ?

Des difficultés respiratoires ou des douleurs thoraciques peuvent signaler des complications.

Comment prévenir les infections virales ?

Se laver les mains, éviter les contacts étroits et se faire vacciner sont essentiels.

Les vaccins sont-ils efficaces contre tous les virus ?

Non, chaque vaccin cible des virus spécifiques et n'offre pas une protection universelle.

Quelles mesures de santé publique aident à prévenir les épidémies ?

La surveillance épidémiologique et la vaccination de masse sont cruciales.

Le port de masque aide-t-il à prévenir les infections ?

Oui, le port de masque réduit la transmission des virus respiratoires.

Les voyages augmentent-ils le risque d'infection virale ?

Oui, les voyages peuvent faciliter la propagation des virus d'une région à une autre.

Quels traitements existent pour les infections virales ?

Les antiviraux, les traitements symptomatiques et les vaccins sont utilisés.

Les antibiotiques sont-ils efficaces contre les virus ?

Non, les antibiotiques ne sont pas efficaces contre les infections virales.

Comment les antiviraux agissent-ils ?

Ils inhibent la réplication virale ou bloquent l'entrée du virus dans les cellules.

Les traitements varient-ils selon le virus ?

Oui, chaque virus peut nécessiter un traitement spécifique adapté.

Les vaccins préviennent-ils toutes les infections virales ?

Non, les vaccins ne couvrent pas tous les virus, mais protègent contre certains.

Quelles sont les complications possibles d'une infection virale ?

Les complications peuvent inclure pneumonie, encéphalite ou défaillance organique.

Comment les complications sont-elles traitées ?

Le traitement dépend de la complication, souvent avec des soins de soutien.

Les complications sont-elles fréquentes ?

Cela dépend du virus et de l'état de santé de l'individu, certaines infections sont plus risquées.

Les personnes âgées sont-elles plus à risque de complications ?

Oui, les personnes âgées ont un risque accru de complications graves lors d'infections virales.

Comment prévenir les complications ?

Un diagnostic précoce et un traitement approprié peuvent réduire le risque de complications.

Quels sont les facteurs de risque d'infection virale ?

Les facteurs incluent l'âge, l'immunodépression et l'exposition à des personnes infectées.

Le mode de vie influence-t-il le risque d'infection ?

Oui, un mode de vie sain peut réduire le risque d'infections virales.

Les maladies chroniques augmentent-elles le risque ?

Oui, les maladies chroniques peuvent affaiblir le système immunitaire et augmenter le risque.

Les voyages à l'étranger augmentent-ils le risque ?

Oui, voyager dans des zones à forte incidence de virus peut accroître le risque d'infection.

Les contacts fréquents avec des malades augmentent-ils le risque ?

Oui, être en contact étroit avec des personnes infectées augmente le risque d'infection.

Génome viral - Informations médicales vérifiées

Amblyopia and the whole child.

03 2023

DOI: 10.1016/j.preteyeres.2023.101168 PMID: 36736071

Amblyopia is a disorder of neurodevelopment that occurs when there is discordant binocular visual experience during the first years of life. While treatments are effective in improving visual acuity, ...

Child Humans Amblyopia Quality of Life Vision, Binocular +1 autres

Amblyopia and fixation eye movements.

15 10 2022

DOI: 10.1016/j.jns.2022.120373 PMID: 36007287

Amblyopia is a neurodevelopmental disorder caused by abnormal visual experience in early life that affects 3-5% of the population. Amblyopia results in a host of monocular and binocular visual afferen...

Amblyopia Biomarkers Eye Movements Humans Vision, Binocular +1 autres

Postural stability in strabismus and amblyopia.

Sep 2023

DOI: 10.1080/09273972.2023.2236138 PMID: 37489251

Postural control is a complex skill based on the collaboration of dynamic sensory mechanisms, namely the visual, vestibular, and somatosensory systems.... A literature survey regarding postural stability in strabismus and amblyopia was conducted using databases in order to collect data for a narrative review of published reports and available literature... The results of the literature survey were analyzed to provide an overview of the current knowledge of postural stability in strabismus and amblyopia. The results revealed that although postural contro... Binocular vision is imperative for the maturation and preservation of balance control in children, as balance performance is reduced in strabismus and/or amblyopia....

Child Humans Amblyopia Strabismus Vision, Binocular +2 autres

Subthreshold Amblyopia: Characterization of a New Cohort.

07 2023

DOI: 10.1016/j.ajo.2022.12.015 PMID: 36543314

Published studies of amblyopia include only patients with visual acuity (VA) worse than 20/40 in one or both eyes. The purpose of this study is to evaluate patients diagnosed and treated as amblyopic ... Retrospective clinical cohort study.... Setting: Institutional practice.... All patients diagnosed with amblyopia at Boston Children's Hospital between 2010 and 2014.... VA better than 20/40 but not correctable to 20/20 in one or both eyes; age 2 to 12 years.... Demographics, VA, baseline characteristics.... Resolution, defined as VA 20/20 in both eyes; stereopsis at the last follow-up.... Of 2311 patients reviewed, 464 (20.1%) had subthreshold amblyopia. A majority (61.7%) had an amblyogenic factor, most commonly anisometropia (32.8%). Patients were followed for a median of 3.1 years; ... Patients with subthreshold amblyopia represent a sizeable cohort in real-world amblyopia practice. When offered treatment, half achieved 20/20 vision in both eyes with improved stereopsis as well. Fur...

Child Humans Child, Preschool Amblyopia Retrospective Studies +3 autres

Binocular treatment for amblyopia: a systematic review.

02 Sep 2024

DOI: 10.1007/s10792-024-03259-7 PMID: 39222269

The treatment of unilateral amblyopia involves refractive adaptation, occlusion therapy or penalization with atropine drops. However, in recent years, the use of binocular digital therapy has shown pr... This systematic review was conducted in accordance to PRISMA statement. Electronic literature was thoroughly searched for articles published between 2013 and May 2024, in the following electronic data... Twenty RCTs, including 1769 patients, were incorporated into this systematic review. Twelve different types of binocular amblyopia treatments were identified and categorized into two main types. The f... Binocular amblyopia treatment has shown promising results in addressing unilateral anisometropic, strabismic or mixed type of amblyopia. Nevertheless, further randomized controlled trials are essentia...

Amblyopia Humans Vision, Binocular Visual Acuity Sensory Deprivation

Dichoptic and Monocular Visual Acuity in Amblyopia.

10 2022

DOI: 10.1016/j.ajo.2022.06.002 PMID: 35738394

Standard-of-care assessment for children with amblyopia includes measuring amblyopic eye best-corrected visual acuity (AE BCVA) with the fellow eye occluded. By definition, this abolishes the interocu... Cross-sectional study.... Dichoptic and monocular AE BCVA of children aged 6-12 years (42 with amblyopia, 24 with recovered normal AE BCVA, 30 control) were measured. Stereoacuity, suppression, eye-hand coordination, and readi... Overall, 81% of amblyopic children had worse dichoptic than monocular AE BCVA (mean difference=0.15±0.11 logMAR; P < .0001), and 71% of children with recovered normal AE BCVA had worse dichoptic than ... Dichoptic AE BCVA deficits were worse than monocular AE BCVA deficits and were associated with reduced stereoacuity and suppression, consistent with the hypothesis that binocular dysfunction plays a r...

Amblyopia Child Cross-Sectional Studies Humans Vision, Binocular +1 autres

Amblyopia treatment outcomes in patients with neurodevelopmental disorders.

10 2023

DOI: 10.1016/j.jaapos.2023.07.014 PMID: 37739211

To compare amblyopia treatment outcomes between patients with neurodevelopmental disorders and their typically developing peers.... Of 2,311 patients diagnosed with amblyopia between 2010 and 2014 at Boston Children's Hospital, 460 met inclusion criteria (age 2-12 with anisometropic, strabismic, or mixed amblyopia [interocular dif... The DD group (n = 54) and TD group (n = 406) were similar in demographics, amblyogenic risk factors, baseline visual measures, prescribed therapy, and adherence (P ≥ 0.10). Between-visit follow-up tim... Patients with DD and those with TD responded similarly to amblyopia therapy; however, follow-up intervals were longer in patients with DD and correlated with the likelihood of persistent amblyopia, su...

Child Humans Child, Preschool Amblyopia Visual Acuity +5 autres

Binocular amblyopia treatment improves manual dexterity.

02 2023

DOI: 10.1016/j.jaapos.2022.10.006 PMID: 36567045

To determine whether deficits in manual dexterity in children with amblyopia improve after binocular amblyopia treatment and whether improvements are related to age at treatment, baseline sensory stat... Manual dexterity (Movement Assessment Battery for Children-2), visual acuity, fusion, suppression, and stereoacuity were measured at baseline and after 4-8 weeks of binocular amblyopia in 134 children... Baseline manual dexterity standard scores of amblyopic children were significantly below those of controls in both the younger (8.81 ± 0.33 vs 11.80 ± 0.60 [P < 0.0001]) and older groups (7.19 ± 0.34 ...

Child Humans Amblyopia Vision, Binocular Video Games +2 autres

[Role of optical coherence tomography in unilateral amblyopia].

Apr 2023

DOI: 10.1016/j.jfo.2022.09.032 PMID: 36759251

To compare the macular and papillary parameters on optical coherence tomography (OCT) between the amblyopic eye and the healthy eye in subjects with unilateral strabismic or anisometropic amblyopia.... This is a cross-sectional and comparative study carried out over two years, from April 1, 2019, to March 31, 2021. We included patients aged over 5years, followed for unilateral amblyopia, free of any... We collected 50 patients, 29 children, and 21 adults, with a mean age of 19.8years. Amblyopia was secondary to anisometropia in 40 patients and strabismus in 10 patients. Analysis of macular tomograph... Amblyopia is accompanied by thickening of the peripapillary retinal fibers without macular repercussions. However, larger prospective studies are needed to confirm these results....

Child Adult Humans Aged Young Adult +6 autres

Optical Coherence Tomography Angiography in Patients with Amblyopia.

Sep 2022

DOI: 10.1080/09273972.2022.2097705 PMID: 35822401

To determine the optical coherence tomography angiography (OCTA) parameters including foveal avascular zone (FAZ) and vessel density (VD) in the amblyopic eyes compared with the fellow sound eyes and ...

Child Humans Female Adolescent Male +7 autres

Génome viral : Questions médicales fréquentes

Termes MeSH sélectionnés :

Questions fréquentes et termes MeSH associés

Diagnostic 5

Symptômes 5

Prévention 5

Traitements 5

Complications 5

Facteurs de risque 5

Contenu validé par Dr Olivier Menir

Sous-catégories

Gènes viraux

Gènes env

Gènes gag

Gènes précoces

Gènes de particule intracisternale de type A

Gènes nef

Gènes pol

Gènes pX

Gènes rev

Gènes tat

Gènes vif

Gènes vpr

Gènes vpu

Auteurs principaux

Sources (283 au total)