Antigènes de surface du virus de l'hépatite B : Questions médicales fréquentes
Nom anglais: Hepatitis B Surface Antigens
Descriptor UI:D006514
Tree Number:D23.050.327.495.500.475
Termes MeSH sélectionnés :
Color
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"description": "Comment détecte-t-on les antigènes de surface du virus de l'hépatite B ?\nQuel est le rôle du HBsAg dans le diagnostic ?\nQuand faut-il tester pour le HBsAg ?\nQuels tests complètent le dépistage du HBsAg ?\nUn HBsAg positif signifie-t-il une maladie chronique ?",
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"description": "Comment prévenir l'infection par le virus de l'hépatite B ?\nLa vaccination contre l'hépatite B est-elle efficace ?\nQui devrait se faire vacciner contre l'hépatite B ?\nLes préservatifs protègent-ils contre l'hépatite B ?\nQuelles pratiques doivent être évitées pour prévenir l'hépatite B ?",
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"description": "Quel traitement existe pour l'hépatite B chronique ?\nLe traitement est-il nécessaire pour tous les porteurs de HBsAg ?\nQuels sont les effets secondaires des traitements antiviraux ?\nPeut-on guérir de l'hépatite B ?\nQuand faut-il envisager une transplantation hépatique ?",
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"description": "Quelles sont les complications possibles de l'hépatite B ?\nComment la cirrhose est-elle liée à l'hépatite B ?\nLe cancer du foie est-il une complication de l'hépatite B ?\nQuels signes indiquent une complication hépatique ?\nComment surveiller les complications de l'hépatite B ?",
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"description": "Quels sont les principaux facteurs de risque de l'hépatite B ?\nLes personnes vivant avec un porteur de HBsAg sont-elles à risque ?\nLes voyageurs doivent-ils se faire vacciner contre l'hépatite B ?\nLes travailleurs de la santé sont-ils à risque d'hépatite B ?\nLes personnes ayant des antécédents d'infections sexuellement transmissibles sont-elles à risque ?",
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"@type": "Question",
"name": "Comment détecte-t-on les antigènes de surface du virus de l'hépatite B ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par un test sanguin qui recherche la présence de HBsAg."
}
},
{
"@type": "Question",
"name": "Quel est le rôle du HBsAg dans le diagnostic ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Sa présence indique une infection active par le virus de l'hépatite B."
}
},
{
"@type": "Question",
"name": "Quand faut-il tester pour le HBsAg ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Lors de symptômes d'hépatite ou après exposition à un risque d'infection."
}
},
{
"@type": "Question",
"name": "Quels tests complètent le dépistage du HBsAg ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les tests pour les anticorps anti-HBs et anti-HBc sont souvent réalisés."
}
},
{
"@type": "Question",
"name": "Un HBsAg positif signifie-t-il une maladie chronique ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Pas nécessairement, il peut aussi indiquer une infection aiguë ou résolue."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes de l'hépatite B ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fatigue, jaunisse, douleurs abdominales, nausées et urine foncée."
}
},
{
"@type": "Question",
"name": "Les porteurs de HBsAg sont-ils toujours symptomatiques ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, beaucoup de porteurs sont asymptomatiques, surtout en phase chronique."
}
},
{
"@type": "Question",
"name": "Comment évoluent les symptômes de l'hépatite B ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent apparaître 1 à 6 mois après l'infection et varier en intensité."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une hépatite B aiguë ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Jaunisse, fatigue intense, douleurs abdominales et perte d'appétit."
}
},
{
"@type": "Question",
"name": "Peut-on avoir des symptômes graves avec HBsAg positif ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une hépatite fulminante peut survenir, nécessitant une attention médicale urgente."
}
},
{
"@type": "Question",
"name": "Comment prévenir l'infection par le virus de l'hépatite B ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Par la vaccination, l'utilisation de préservatifs et l'évitement de l'exposition au sang."
}
},
{
"@type": "Question",
"name": "La vaccination contre l'hépatite B est-elle efficace ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est très efficace et peut prévenir l'infection dans la plupart des cas."
}
},
{
"@type": "Question",
"name": "Qui devrait se faire vacciner contre l'hépatite B ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les nourrissons, les travailleurs de la santé et les personnes à risque élevé."
}
},
{
"@type": "Question",
"name": "Les préservatifs protègent-ils contre l'hépatite B ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils réduisent le risque de transmission lors de rapports sexuels."
}
},
{
"@type": "Question",
"name": "Quelles pratiques doivent être évitées pour prévenir l'hépatite B ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter le partage d'aiguilles, de rasoirs et d'autres objets coupants."
}
},
{
"@type": "Question",
"name": "Quel traitement existe pour l'hépatite B chronique ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antiviraux comme la lamivudine ou l'entécavir sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "Le traitement est-il nécessaire pour tous les porteurs de HBsAg ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, le traitement dépend de l'activité virale et de l'état du foie."
}
},
{
"@type": "Question",
"name": "Quels sont les effets secondaires des traitements antiviraux ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent inclure des nausées, des douleurs abdominales et des éruptions cutanées."
}
},
{
"@type": "Question",
"name": "Peut-on guérir de l'hépatite B ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de guérison définitive, mais le traitement peut contrôler l'infection."
}
},
{
"@type": "Question",
"name": "Quand faut-il envisager une transplantation hépatique ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "En cas d'insuffisance hépatique sévère ou de complications graves liées à l'hépatite B."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications possibles de l'hépatite B ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Cirrhose, cancer du foie et insuffisance hépatique sont des complications graves."
}
},
{
"@type": "Question",
"name": "Comment la cirrhose est-elle liée à l'hépatite B ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'infection chronique peut entraîner une inflammation et des lésions hépatiques, causant la cirrhose."
}
},
{
"@type": "Question",
"name": "Le cancer du foie est-il une complication de l'hépatite B ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les porteurs chroniques de HBsAg ont un risque accru de développer un cancer du foie."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une complication hépatique ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Jaunisse, ascite, confusion mentale et saignements peuvent indiquer des complications."
}
},
{
"@type": "Question",
"name": "Comment surveiller les complications de l'hépatite B ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des examens réguliers du foie, comme des échographies et des tests sanguins, sont nécessaires."
}
},
{
"@type": "Question",
"name": "Quels sont les principaux facteurs de risque de l'hépatite B ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Partage d'aiguilles, rapports sexuels non protégés et exposition au sang infecté."
}
},
{
"@type": "Question",
"name": "Les personnes vivant avec un porteur de HBsAg sont-elles à risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles sont à risque accru d'infection par contact avec le sang ou les fluides corporels."
}
},
{
"@type": "Question",
"name": "Les voyageurs doivent-ils se faire vacciner contre l'hépatite B ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, surtout s'ils se rendent dans des zones à forte prévalence de l'hépatite B."
}
},
{
"@type": "Question",
"name": "Les travailleurs de la santé sont-ils à risque d'hépatite B ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, en raison de leur exposition potentielle au sang et aux fluides corporels infectés."
}
},
{
"@type": "Question",
"name": "Les personnes ayant des antécédents d'infections sexuellement transmissibles sont-elles à risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles ont un risque accru d'infection par le virus de l'hépatite B."
}
}
]
}
]
}
The aim of this paper was to assess the genuineness of a case of phoneme color synesthesia (VA) by evaluating the influence of several psycholinguistic levels with different stimuli (isolated vowels, ...
To evaluate the effect of thickness on color and translucency of a multi-color polymer-infiltrated ceramic-network (PICN) material....
Specimens of 0.5, 1.0, 1.5 mm thicknesses were obtained by sectioning VITA ENAMIC® multiColor (E-MC) High Translucent CAD-CAM blocks (1M1-HT, 1M2-HT, 2M2-HT, 3M2-HT, and 4M2-HT). Spectral reflectance ...
In general, ΔE...
The gradient in color and translucency of E-MC PICN material was influenced by the thickness of the CAD-CAM block. In addition, color and TP transition values between the layers depends on the thickne...
The effect of thickness must be taken into account by dental technicians and dentists when CAD-CAM multicolor PICN materials are used....
The aim of this post-hoc analysis in a randomized, controlled, multicenter trial was to evaluate the visibility of upper gastrointestinal (UGI) neoplasms detected using linked color imaging (LCI) comp...
The visibility of the detected UGI neoplasm images obtained using both WLI and LCI was subjectively reviewed, and the median color difference (ΔE) between each lesion and the surrounding mucosa accord...
A total of 120 neoplasms, including 10, 32, and 78 neoplasms in the pharynx, esophagus, and stomach, respectively, were analyzed in this study. LCI enhanced the visibility 80.9% and 93.6% of neoplasms...
Color differences were independently associated with missing gastric neoplasms under WLI, suggesting that LCI has an obvious advantage over WLI in enhancing neoplastic visibility....
This study aimed to objectively evaluate the efficacy of linked color imaging (LCI) in diagnosing colorectal serrated lesions by utilizing visibility scores and color differences....
We examined 89 serrated lesions, including 36 hyperplastic polyps (HPs), 47 sessile serrated lesions (SSLs), and six traditional serrated adenomas (TSAs). Visibility changes were scored by six endosco...
The visibility scores of both HPs and SSLs in LCI were significantly higher than that in WLI (HPs, 3.67/2.89, P < 0.001; SSLs, 3.07/2.36, P < 0.001). Furthermore, SSLs showed a significantly higher L*...
Linked color imaging showed higher color contrast between serrated lesions and the surrounding mucosae compared with WLI, indicating improved visibility of colorectal serrated lesion using LCI....
Dynamically controllable reflective structural colors have been garnering growing attention due to increasing commercial interests in smart displays (...
The desirable properties of silver diamine fluoride (SDF) make it an effective agent for managing dental caries and tooth hypersensitivity. There are several clinical instances that SDF application mi...
Comprehensive search of PubMed, Embase, Scopus and ISI Web of Science databases (until August 2023) as well as reference lists of retrieved studies was performed. In vitro studies reported color or co...
Eleven studies/reports with a total of 394 tooth-colored restorations placed following a) no SDF (control) or b) SDF with/without potassium iodide (KI)/glutathione dentine pre-treatments were included...
The limited evidence suggested comparable color changes of RBC restorations with and without 38% SDF + KI pre-treatment up to 60 days. The included studies lacked uniformity in methodology and reporte...
The protocol of this systematic review was registered in PROSPERO database under number CRD42023485083....
There has not been any research conducted on surface properties and color changes from sport and energy drinks on bulk-fill resin composite, nanohybrid resin composite and glass ionomer restorative ma...
One hundred and forty-seven specimens of each tooth-colored restorative material were prepared in a polytetrafluoroethylene mold (10 mm. in diameter and 2 mm. in thickness). Before immersion, baseline...
After immersion, the glass ionomer restorative material had statistically less hardness, more roughness and more color changes than the others (P < 0.05). Energy drink groups statistically caused more...
Sport and energy drinks affected hardness, roughness, and color changes in all the tooth-colored restorative materials evaluated....
We propose three methods for the color quantization of superpixel images. Prior to the application of each method, the target image is first segmented into a finite number of superpixels by grouping t...
Patients tend to favor the whitening mouthwashes as they are easily applied and affordable. This study aimed to evaluate the effect of hydrogen peroxide versus charcoal-based whitening mouthwashes on ...
A total of 21 permanent central incisor teeth extracted for periodontal reasons were used in the present study. Teeth roots were sectioned and crowns were mounted in self-cured acrylic resin blocks. T...
Color change results revealed that both whitening mouthwashes were able to restore color comparable to the control group with no significant difference between them. Regarding surface roughness, the c...
Hydrogen peroxide and charcoal-based whitening mouthwashes improve the color of enamel with no adverse effect on the surface roughness. Both whitening mouthwashes were beneficial to maintain the color...