questionsmedicales.fr
Structures virales
Virion
Virion : Questions médicales fréquentes
Termes MeSH sélectionnés :
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"headline": "Diagnostic sur Virion",
"description": "Comment identifier un virion dans un échantillon ?\nQuels tests sont utilisés pour détecter les virions ?\nLes virions peuvent-ils être visualisés au microscope ?\nQuelle est la méthode de culture des virions ?\nLes tests sérologiques détectent-ils les virions ?",
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"description": "Quels traitements sont efficaces contre les virions ?\nLes antibiotiques sont-ils efficaces contre les virions ?\nComment les vaccins agissent-ils contre les virions ?\nLes traitements symptomatiques sont-ils utiles ?\nLes traitements antiviraux sont-ils toujours efficaces ?",
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"description": "Quelles complications peuvent survenir après une infection virale ?\nLes virions peuvent-ils causer des maladies chroniques ?\nComment les complications sont-elles gérées ?\nLes complications varient-elles selon le virion ?\nLes enfants sont-ils plus à risque de complications ?",
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"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Virion",
"description": "Quels sont les facteurs de risque d'infection virale ?\nLe stress affecte-t-il le risque d'infection virale ?\nLes maladies chroniques augmentent-elles le risque d'infection ?\nL'environnement joue-t-il un rôle dans le risque viral ?\nLes habitudes alimentaires influencent-elles le risque viral ?",
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"name": "Comment identifier un virion dans un échantillon ?",
"position": 1,
"acceptedAnswer": {
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"text": "L'identification se fait par microscopie électronique ou tests PCR."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour détecter les virions ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les tests PCR, les cultures virales et les tests sérologiques sont courants."
}
},
{
"@type": "Question",
"name": "Les virions peuvent-ils être visualisés au microscope ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les virions peuvent être visualisés au microscope électronique."
}
},
{
"@type": "Question",
"name": "Quelle est la méthode de culture des virions ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les virions sont cultivés dans des cellules hôtes appropriées en laboratoire."
}
},
{
"@type": "Question",
"name": "Les tests sérologiques détectent-ils les virions ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, ils détectent les anticorps contre les virions, pas les virions eux-mêmes."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une infection virale ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fièvre, fatigue, douleurs musculaires et symptômes respiratoires sont fréquents."
}
},
{
"@type": "Question",
"name": "Les virions causent-ils toujours des symptômes ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, certains virions peuvent être asymptomatiques chez l'hôte."
}
},
{
"@type": "Question",
"name": "Comment les symptômes varient-ils selon le virion ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes dépendent du type de virus et de l'hôte infecté."
}
},
{
"@type": "Question",
"name": "Les symptômes d'une infection virale sont-ils immédiats ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, il peut y avoir une période d'incubation avant l'apparition des symptômes."
}
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{
"@type": "Question",
"name": "Les virions peuvent-ils provoquer des symptômes neurologiques ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains virions, comme ceux de la grippe, peuvent affecter le système nerveux."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infections virales ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Se laver les mains, éviter les contacts étroits et se faire vacciner sont essentiels."
}
},
{
"@type": "Question",
"name": "Les masques protègent-ils contre les virions ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les masques réduisent la transmission des virions par voie respiratoire."
}
},
{
"@type": "Question",
"name": "Les vaccins sont-ils efficaces contre tous les virions ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, chaque vaccin cible des virions spécifiques et ne protège pas contre tous."
}
},
{
"@type": "Question",
"name": "L'hygiène personnelle aide-t-elle à prévenir les infections ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une bonne hygiène personnelle réduit le risque d'infections virales."
}
},
{
"@type": "Question",
"name": "Les voyages augmentent-ils le risque d'infection virale ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les voyages peuvent exposer à de nouveaux virions et augmenter le risque d'infection."
}
},
{
"@type": "Question",
"name": "Quels traitements sont efficaces contre les virions ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antiviraux, comme l'oseltamivir, sont utilisés pour traiter certaines infections virales."
}
},
{
"@type": "Question",
"name": "Les antibiotiques sont-ils efficaces contre les virions ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, les antibiotiques ne sont pas efficaces contre les infections virales."
}
},
{
"@type": "Question",
"name": "Comment les vaccins agissent-ils contre les virions ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les vaccins stimulent le système immunitaire à reconnaître et combattre les virions."
}
},
{
"@type": "Question",
"name": "Les traitements symptomatiques sont-ils utiles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils aident à soulager les symptômes, mais ne traitent pas l'infection virale."
}
},
{
"@type": "Question",
"name": "Les traitements antiviraux sont-ils toujours efficaces ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, leur efficacité dépend du type de virus et de la résistance virale."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir après une infection virale ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme la pneumonie, la déshydratation ou des infections secondaires peuvent survenir."
}
},
{
"@type": "Question",
"name": "Les virions peuvent-ils causer des maladies chroniques ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains virions, comme le VIH, peuvent entraîner des maladies chroniques."
}
},
{
"@type": "Question",
"name": "Comment les complications sont-elles gérées ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications sont gérées par des traitements symptomatiques et des soins médicaux appropriés."
}
},
{
"@type": "Question",
"name": "Les complications varient-elles selon le virion ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, chaque virion peut entraîner des complications différentes selon l'hôte."
}
},
{
"@type": "Question",
"name": "Les enfants sont-ils plus à risque de complications ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les enfants peuvent être plus vulnérables aux complications des infections virales."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque d'infection virale ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge, le système immunitaire affaibli et l'exposition à des porteurs."
}
},
{
"@type": "Question",
"name": "Le stress affecte-t-il le risque d'infection virale ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress peut affaiblir le système immunitaire et augmenter le risque d'infection."
}
},
{
"@type": "Question",
"name": "Les maladies chroniques augmentent-elles le risque d'infection ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les maladies chroniques peuvent affaiblir l'immunité et augmenter le risque d'infection virale."
}
},
{
"@type": "Question",
"name": "L'environnement joue-t-il un rôle dans le risque viral ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des environnements surpeuplés ou insalubres augmentent le risque d'infections virales."
}
},
{
"@type": "Question",
"name": "Les habitudes alimentaires influencent-elles le risque viral ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation déséquilibrée peut affaiblir le système immunitaire et augmenter le risque."
}
}
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The purpose of this study is to present current dental ceramic materials and processing methods. The clinical indication was emphasized on basis of the material's microstructure and composition. Studi...
Delta ceramic-on-ceramic (CoC) articulation affords excellent outcomes in primary total hip arthroplasty (THA). However, the safety and reliability of this bearing in revision THA need more evidence. ...
We reviewed 118 revision THAs (113 patients: 68 men and 45 women) performed with use of Delta CoC bearing. Their mean age was 58.7 years (range, 30-90 years) and their mean body mass index was 24.6 kg...
Two patients (1.7%) had grinding sensation, but no patient had ceramic fracture. Reoperations were necessary in 9 hips (7.6%) due to PJIs in 2, stem loosening in 2, cup loosening in 2, recurrent dislo...
The Delta ceramic bearing appeared a reliable option for revision THA, showing encouraging mid-term results with acceptable survivorship and a low complication rate....
Although the fourth generation of ceramics has demonstrated excellent clinical results 5 to 6 years postoperatively, concerns over ceramic fracture and squeaking persist and longer-term follow-up (min...
We retrospectively evaluated all patients who underwent primary delta CoC total hip arthroplasty in our institution between January 2004 and February 2013. Demographics, surgical techniques, complicat...
There were 5 hips revised at a mean 4.6 years (range, 0.1 to 7.1). One revision was squeaking-related. Squeaking was also reported by 8 other patients, but did not require revision. Other reasons for ...
We report excellent mean 12-year follow-up results regarding the complications and survivorship of the fourth generation CoC bearings....
To evaluate the influence of intaglio ceramic surface treatments, resin cement viscosities, and storage regimens on the microshear bond strength of lithium disilicate ceramic. In addition, to investig...
Ceramic slices were randomly allocated into eight groups (n = 19) considering three factors: ceramic surface treatment (hydrofluoric acid followed by silane, HF; or self-etching ceramic primer, E&P), ...
Resin cement viscosity and the association among ceramic surface treatment, resin cement viscosity, and storage regimen were statistically significant factors (p < 0.05). Worse behavior was identified...
Differences in filler content can impact the resin viscosity of the material (more fillers increase the viscosity), which in turn can influence the bond strength of a lithium disilicate ceramic, depen...
In order to investigate the esthetic outcomes via color differences of various lithium disilicate ceramic thicknesses on various voltages of anodized titanium....
28 lithium disilicate ceramic specimens (medium translucency) were arranged into four groups based on the thickness of the ceramic: 1.0, 1.5, 2.0, and 2.5 mm (n=7). Each group was tested with seven di...
Both the thickness of the lithium disilicate ceramics and the type of material had a significant effect on the color differences observed (p⟨0.05). When ceramics thickness more than 2.0 mm were used f...
yellowshade of anodized titanium tends to achieve esthetics in combination with adequate ceramic thickness....
Although ceramic objects are an important part of the worldwide cultural heritage, few investigations on the effects of lithobiontic growth on their outdoor conservation are available in the literatur...
As the world is faced with the coronavirus disease 2019 (COVID-19) pandemic, photocatalytic antibacterial ceramics can reduce the consumption of disinfectants and improve the safety of the public heal...
BACKGROUND Total hip replacement (THR) is a commonly performed treatment for severe osteoarthritis. In this report, we present the case of a woman who unfortunately suffered 2 severe but rare complica...
Developing efficient bonding techniques for orthodontic brackets and all-ceramic materials continues to pose a clinical difficulty. This study aimed to evaluate the shear bond strengths (SBS) of metal...
The samples were divided into two groups to be bonded with ceramic and metal lower incisor brackets. Each group was subdivided into a control group devoid of any surface treatment, 10% HF acid (HFA) e...
The highest mean bond strengths were found with HFA etching in LDS-CAD (13.17 ± 0.26 MPa) and ZLS (12.85 0.52 MPa). Diamond bur recorded the lowest mean bond strength roughening across all the ceramic...
Among the surface treatment protocols evaluated, HFA etching and MEP surface treatment resulted in enhanced bond strength of both ceramic and metal brackets to CAD-CAM all ceramic materials....
The ceramic-on-ceramic couple in total hip arthroplasties (THA) has the advantage of excellent wear resistance and the bioinert nature of its debris. Noise occurring from this friction torque is a com...
Our hypothesis was that a low CPR distance was correlated with noise occurrence....
This was a case-control study with 3 controls for each case, analyzing 21 THAs (21 patients) with noise compared to 63 THAs without noise (63 patients) matched for age, sex and body mass index. These ...
At the mean follow-up of 7.1 years±1.2 [5 to 9.6], the mean CPR distance was lower in the noise group 10mm±3.3 [3.8 to 16.4] than in the control group 14.8mm±4.3 [7.3 to 24.4] (p=0.0007). The mean inc...
A low CPR distance was correlated with the occurrence of noises, similarly a steep inclination was correlated with the occurrence of noises....
III; Retrospective case-control study....