Titre : Antigènes de surface du virus de l'hépatite B

Antigènes de surface du virus de l'hépatite B : Questions médicales fréquentes

Termes MeSH sélectionnés :

Attention Deficit Disorder with Hyperactivity
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?\nQuels sont les effets secondaires des traitements antiviraux ?\nPeut-on guérir de l'hépatite B ?\nQuand faut-il envisager une transplantation hépatique ?", "url": "https://questionsmedicales.fr/mesh/D006514?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Antigènes de surface du virus de l'hépatite B", "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 ?", "url": "https://questionsmedicales.fr/mesh/D006514?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Antigènes de surface du virus de l'hépatite B", "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 ?", "url": "https://questionsmedicales.fr/mesh/D006514?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@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." } } ] } ] }

Sources (10000 au total)

Methylphenidate for children and adolescents with attention deficit hyperactivity disorder (ADHD).

Attention deficit hyperactivity disorder (ADHD) is one of the most commonly diagnosed and treated psychiatric disorders in childhood. Typically, children and adolescents with ADHD find it difficult to... To assess the beneficial and harmful effects of methylphenidate for children and adolescents with ADHD.... We searched CENTRAL, MEDLINE, Embase, three other databases and two trials registers up to March 2022. In addition, we checked reference lists and requested published and unpublished data from manufac... We included all randomised clinical trials (RCTs) comparing methylphenidate versus placebo or no intervention in children and adolescents aged 18 years and younger with a diagnosis of ADHD. The search... Two review authors independently conducted data extraction and risk of bias assessment for each trial. Six review authors including two review authors from the original publication participated in the... We included 212 trials (16,302 participants randomised); 55 parallel-group trials (8104 participants randomised), and 156 cross-over trials (8033 participants randomised) as well as one trial with a p... methylphenidate versus placebo or no intervention may improve teacher-rated ADHD symptoms (standardised mean difference (SMD) -0.74, 95% confidence interval (CI) -0.88 to -0.61; I² = 38%; 21 trials; 1... methylphenidate may cause more adverse events considered non-serious versus placebo or no intervention (RR 1.23, 95% CI 1.11 to 1.37; I² = 72%; 35 trials 5342 participants; very low-certainty evidence... The majority of our conclusions from the 2015 version of this review still apply. Our updated meta-analyses suggest that methylphenidate versus placebo or no-intervention may improve teacher-rated ADH...

Altered somatosensory processing in adult attention deficit hyperactivity disorder.

Tactile sensitivity and sensory overload in ADHD are well-documented in clinical-, self-, and parent- reports, but empirical evidence is scarce and ambiguous and focuses primarily on children. Here, w... Somatosensory evoked potential (SEP) amplitudes were measured in 27 adults with ADHD and 24 controls during four conditions (rest, stroking of the own arm, stroking of the arm by a researcher, and str... Participants with ADHD self-reported greater tactile sensitivity and ADHD symptom severity than controls and received higher scores on the Qb-test. These values correlated with one another. ADHD parti... We find that ADHD symptomatology and touch sensitivity are directly linked, using both self-reports and experimental measures. We also find evidence of tactile sensory overload in ADHD, and an indicat...

Sensory Processing in Children and Adolescents with Attention Deficit Hyperactivity Disorder.

The aim is to assess the sensory processing difficulties in children and adolescents with ADHD.... In all, 38 ADHD children of the age group 6-14 years and 34 age- and gender-matched typically developing controls were included in the study. Sensory processing was assessed on Child Sensory Profile-2... A significantly higher sensory processing difficulties were seen in children with ADHD than typically developing controls. There were positive correlations between the scores of Child sensory profile ... Sensory problems were common in children with ADHD and add to the functional impairments....

Preterm postnatal complications and risk of attention-deficit/hyperactivity disorder.

To investigate the association between the risk of attention-deficit/hyperactivity disorder (ADHD) and preterm birth and determine how postnatal complications in children born preterm is associated wi... This population-based cohort study used data from the Hong Kong electronic medical records. We followed 359 614 children (48% female; 6-17 years old, mean 11 years 7 months, SD 3 years 2 months) born ... The risk of ADHD was 4.0% in children born at term and 5.1% in children born preterm. The odds ratio for ADHD was 2.08 (95% confidence interval [CI] 1.64-2.64) for children born extremely preterm, 1.6... Children born preterm in all subcategories, from extremely preterm to late preterm, have increased risk of ADHD. Early respiratory infection partially mediates the risk of ADHD in children born preter...

Effect of Past Pharmacotherapy for Attention-Deficit/Hyperactivity Disorder on Substance Use Disorder.

Substance use disorders (SUDs) are a considerable public health problem. Attention-deficit/hyperactivity disorder (ADHD) frequently occurs in patients with SUD. Several studies demonstrated that ADHD ... The study aimed to explore the effect of childhood ADHD pharmacotherapy on later life's functional impairment and substance use patterns.... Treatment-seeking SUD patients with ADHD (n = 52) were recruited from various rehabilitation facilities in South Africa. Adult ADHD individuals without SUD (n = 48) were recruited from clinicians, ret... Medicated participants (n = 59) showed lower levels of ADHD-related impairment across all functional domains (p < 0.001), compared to non-medicated participants (n = 41). They also consumed less alcoh... Childhood ADHD pharmacotherapy might be associated with a decreased risk for substance use in adulthood and lower ADHD-related impairment. Despite study limitations, these findings underline the impor...