Titre : Anticorps anti-cytoplasme des polynucléaires neutrophiles

Anticorps anti-cytoplasme des polynucléaires neutrophiles : Questions médicales fréquentes

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l'historique médical dans le diagnostic ?\nLes ANCA peuvent-ils être détectés chez des personnes saines ?", "url": "https://questionsmedicales.fr/mesh/D019268?page=14#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Anticorps anti-cytoplasme des polynucléaires neutrophiles", "description": "Quels sont les symptômes associés aux ANCA ?\nLes ANCA provoquent-ils des symptômes respiratoires ?\nY a-t-il des symptômes cutanés liés aux ANCA ?\nLes ANCA affectent-ils les reins ?\nLes symptômes des ANCA sont-ils similaires à d'autres maladies ?", "url": "https://questionsmedicales.fr/mesh/D019268?page=14#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Anticorps anti-cytoplasme des polynucléaires neutrophiles", "description": "Peut-on prévenir les maladies liées aux ANCA ?\nLes vaccinations sont-elles recommandées pour les patients ANCA ?\nComment réduire le risque de complications ?\nL'évitement de certains médicaments est-il conseillé ?\nLe stress influence-t-il les maladies ANCA ?", "url": "https://questionsmedicales.fr/mesh/D019268?page=14#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Anticorps anti-cytoplasme des polynucléaires neutrophiles", "description": "Quels traitements sont utilisés pour les ANCA ?\nLes traitements sont-ils personnalisés pour chaque patient ?\nLes ANCA nécessitent-ils un suivi régulier ?\nY a-t-il des effets secondaires aux traitements ?\nLes traitements peuvent-ils guérir les ANCA ?", "url": "https://questionsmedicales.fr/mesh/D019268?page=14#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Anticorps anti-cytoplasme des polynucléaires neutrophiles", "description": "Quelles sont les complications possibles des ANCA ?\nLes ANCA peuvent-ils entraîner des infections ?\nY a-t-il un risque de cancer associé aux ANCA ?\nLes complications sont-elles réversibles ?\nComment surveiller les complications des ANCA ?", "url": "https://questionsmedicales.fr/mesh/D019268?page=14#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Anticorps anti-cytoplasme des polynucléaires neutrophiles", "description": "Quels sont les facteurs de risque des ANCA ?\nLe sexe influence-t-il le risque d'ANCA ?\nL'âge joue-t-il un rôle dans le développement des ANCA ?\nCertaines professions augmentent-elles le risque d'ANCA ?\nLes infections antérieures sont-elles un facteur de risque ?", "url": "https://questionsmedicales.fr/mesh/D019268?page=14#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer la présence d'ANCA ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un test sanguin spécifique détecte les ANCA dans le sérum du patient." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour les ANCA ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests ELISA et indirect immunofluorescence sont couramment utilisés." } }, { "@type": "Question", "name": "Les ANCA sont-ils toujours présents dans les maladies ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, leur présence varie selon la maladie et le stade de l'inflammation." } }, { "@type": "Question", "name": "Quel rôle joue l'historique médical dans le diagnostic ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'historique aide à identifier les symptômes et les antécédents de maladies auto-immunes." } }, { "@type": "Question", "name": "Les ANCA peuvent-ils être détectés chez des personnes saines ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des ANCA peuvent être présents à faible niveau chez des individus sains." } }, { "@type": "Question", "name": "Quels sont les symptômes associés aux ANCA ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fatigue, fièvre, perte de poids et douleurs articulaires." } }, { "@type": "Question", "name": "Les ANCA provoquent-ils des symptômes respiratoires ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent causer des symptômes respiratoires comme la toux et l'essoufflement." } }, { "@type": "Question", "name": "Y a-t-il des symptômes cutanés liés aux ANCA ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des éruptions cutanées et des lésions peuvent apparaître chez certains patients." } }, { "@type": "Question", "name": "Les ANCA affectent-ils les reins ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent entraîner des atteintes rénales, comme la glomérulonéphrite." } }, { "@type": "Question", "name": "Les symptômes des ANCA sont-ils similaires à d'autres maladies ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent être confondus avec d'autres maladies auto-immunes ou inflammatoires." } }, { "@type": "Question", "name": "Peut-on prévenir les maladies liées aux ANCA ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de méthode de prévention spécifique, mais un mode de vie sain aide." } }, { "@type": "Question", "name": "Les vaccinations sont-elles recommandées pour les patients ANCA ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les vaccinations peuvent être recommandées pour prévenir les infections." } }, { "@type": "Question", "name": "Comment réduire le risque de complications ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi médical régulier et une gestion proactive des symptômes sont essentiels." } }, { "@type": "Question", "name": "L'évitement de certains médicaments est-il conseillé ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains médicaments peuvent aggraver les symptômes et doivent être évités." } }, { "@type": "Question", "name": "Le stress influence-t-il les maladies ANCA ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut aggraver les symptômes et doit être géré efficacement." } }, { "@type": "Question", "name": "Quels traitements sont utilisés pour les ANCA ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les corticostéroïdes et les immunosuppresseurs sont souvent prescrits." } }, { "@type": "Question", "name": "Les traitements sont-ils personnalisés pour chaque patient ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le traitement est adapté en fonction de la gravité et des symptômes du patient." } }, { "@type": "Question", "name": "Les ANCA nécessitent-ils un suivi régulier ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un suivi régulier est essentiel pour ajuster le traitement et surveiller l'évolution." } }, { "@type": "Question", "name": "Y a-t-il des effets secondaires aux traitements ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements peuvent avoir des effets secondaires comme l'infection ou l'ostéoporose." } }, { "@type": "Question", "name": "Les traitements peuvent-ils guérir les ANCA ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de cure, mais les traitements peuvent contrôler les symptômes et la progression." } }, { "@type": "Question", "name": "Quelles sont les complications possibles des ANCA ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des atteintes rénales, pulmonaires et cardiovasculaires." } }, { "@type": "Question", "name": "Les ANCA peuvent-ils entraîner des infections ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements immunosuppresseurs augmentent le risque d'infections." } }, { "@type": "Question", "name": "Y a-t-il un risque de cancer associé aux ANCA ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Certaines études suggèrent un risque accru de certains cancers chez les patients ANCA." } }, { "@type": "Question", "name": "Les complications sont-elles réversibles ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être réversibles avec un traitement approprié." } }, { "@type": "Question", "name": "Comment surveiller les complications des ANCA ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des examens réguliers et des tests sanguins aident à surveiller les complications." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque des ANCA ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent des antécédents familiaux, le tabagisme et certaines infections." } }, { "@type": "Question", "name": "Le sexe influence-t-il le risque d'ANCA ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les femmes sont plus souvent touchées par les maladies associées aux ANCA." } }, { "@type": "Question", "name": "L'âge joue-t-il un rôle dans le développement des ANCA ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les ANCA apparaissent généralement chez les adultes jeunes à moyens d'âge." } }, { "@type": "Question", "name": "Certaines professions augmentent-elles le risque d'ANCA ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les professions exposant à des produits chimiques peuvent augmenter le risque." } }, { "@type": "Question", "name": "Les infections antérieures sont-elles un facteur de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines infections peuvent déclencher la production d'ANCA chez des individus prédisposés." } } ] } ] }

Sources (10000 au total)

Association between computed tomography-assessed sarcopenia and mortality in patients with anti-neutrophil cytoplasmic antibody-associated vasculitis.

Sarcopenia is frequently observed in patients with autoimmune rheumatic diseases; however, its relationship with patient outcomes has not been well understood. This study evaluated the influence of sa... Records of patients with AAV at the Severance Hospital with computed tomography (CT) images taken at initial disease diagnosis were retrospectively reviewed. For measures of sarcopenia, normal attenua... A total of 136 patients with CT images at AAV diagnosis were identified. Correlation analyses revealed that age, female sex, total cholesterol, and alanine aminotransferase were significantly associat... A higher rate of mortality was observed in patients with AAV with NAMA/TAMA ≤0.46, indicating that careful monitoring is required in these patients....

Antineutrophil cytoplasmic antibody is an independent risk factor in rheumatoid arthritis-associated interstitial lung disease.

This study aimed to investigate the clinical relevance of antineutrophil cytoplasmic antibody (ANCA) in patients with rheumatoid arthritis-associated interstitial lung disease (RA-ILD).... Detailed clinical records of rheumatoid arthritis (RA) patients who underwent ANCA screening tests were collected. ANCA measurements were determined by indirect immunofluorescence assay (IIF) and enzy... The prevalence of ANCA by IIF was significantly higher in RA-ILD patients compared to those with RA without ILD (31.7 % vs. 19.5 %, p < 0.001). RA-ILD patients positive for ANCA exhibited elevated lev... The findings suggest a potential role for ANCA/pANCA in stratifying the risk of RA and provide supplementary information to the existing clinically available assays. This additional information may be...

Anti-neutrophil cytoplasmic antibody patterns can predict clinical relapse in ANCA-associated vasculitis: overall population and subgroups.

In anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV), relapses are cause of concern as they are unpredictable and predictors of poor prognosis. We aimed to assess the characteristic and... This retrospective study included 132 cases of AAV newly diagnosed from January 2016 through November 2021 in the Affiliated Hospital of Qingdao University. We reviewed clinical data of patients and a... The rate of relapse was highest in the positive conversion group than the others significantly (p<0.001). In overall population, ANCA patterns (p<0.001; persistent positive pattern: HR=3.352, 95%CI 1.... Persistently positive and re-positive ANCA and infections predict clinical relapse in AAV, especially in patients with MPO-AAV and renal involvement. Regular ANCA monitoring should be carried out in h...

Interference of Antinuclear Antibody (ANA) in Indirect Immunofluorescence Assay (IIFA)-Based Perinuclear Antineutrophil Cytoplasmic Antibody (pANCA) Interpretation.

Indirect immunofluorescence assay (IIFA) based on antineutrophil cytoplasmic antibody (ANCA) testing is a commonly employed test for diagnosing autoimmune vasculitis. Antinuclear antibody (ANA) can gi... In this retrospective study, we studied anti-MPO-negative but ANA-positive and pANCA (IIFA based) samples. We also correlated immunoblot results (where data were available) and checked the association... About 19.2% of ANA blot (ENA-blot) positive samples displayed a pANCA positive pattern in the ethanol-fixed substrate, while this positivity in ENA-blot negatives was 6.5%. In positive ANA-IIFA sample... ANA-positive results may interfere with the interpretation of pANCA as observed in ANA-IIFA and ENA-blot positive samples. ANA-IIFA patterns like nuclear homogenous may strongly associate this pANCA i...

Tocilizumab Attenuates Anti-neutrophil Cytoplasmic Antibody-associated Nephritis Occurring during Abatacept and Adalimumab Therapy for Rheumatoid Arthritis.

We encountered an 86-year-old Japanese woman who presented with proteinuria (0.4 g/day) and hematuria (red blood cell sediment >100/high-power field), a decreased renal function (serum creatinine, 1.5...

Antineutrophil cytoplasmic antibody in children with nephrotic syndrome treated with levamisole: a cross-sectional cohort study.

Levamisole is a commonly used steroid-sparing agent (SSA), but the reported incidence of antineutrophil cytoplasmic antibody (ANCA) positivity has been concerning.... Observational cross-sectional study wherein children aged 2 to 18 years with frequently relapsing/steroid dependent nephrotic syndrome (FRNS/SDNS) on levamisole for ≥ 12 months were tested for ANCA.... A total of 210 children (33% female), median age of 7.3 (IQR: 5.6-9.6) years, and a median duration of levamisole exposure of 21 (IQR: 15-30) months were tested. ANCA was positive in 18% (n = 37): 89%... Children with FRNS/SDNS on longer duration of levamisole were associated with increasing prevalence of ANCA positivity, but most of these children were clinically asymptomatic. Prospective studies are...