Comment détecte-t-on les anticorps dans le sang ?

On utilise des tests sérologiques comme l'ELISA pour mesurer les anticorps.

Quels tests sont utilisés pour les anticorps spécifiques ?

Des tests comme l'immunofluorescence ou les tests d'agglutination sont utilisés.

Les anticorps peuvent-ils indiquer une infection ?

Oui, la présence d'anticorps spécifiques peut indiquer une infection antérieure.

Qu'est-ce qu'un titre d'anticorps ?

C'est une mesure de la concentration d'anticorps dans le sang, indiquant l'immunité.

Les anticorps peuvent-ils être détectés chez les nouveau-nés ?

Oui, les anticorps maternels peuvent être détectés chez les nouveau-nés.

Quels symptômes indiquent une réponse immunitaire ?

Fièvre, fatigue, et inflammation peuvent indiquer une réponse immunitaire active.

Les anticorps causent-ils des symptômes ?

Non, ce sont les maladies ou infections que les anticorps combattent qui causent des symptômes.

Comment les anticorps affectent-ils les allergies ?

Les anticorps IgE sont impliqués dans les réactions allergiques, provoquant des symptômes.

Les anticorps peuvent-ils causer des maladies auto-immunes ?

Oui, des anticorps peuvent attaquer les tissus sains, entraînant des maladies auto-immunes.

Quels anticorps sont liés aux infections virales ?

Les anticorps IgM et IgG sont souvent associés aux infections virales.

Comment les vaccins stimulent-ils la production d'anticorps ?

Les vaccins introduisent des antigènes, entraînant la production d'anticorps spécifiques.

Les anticorps peuvent-ils être transférés par le lait maternel ?

Oui, les anticorps maternels sont transférés au bébé par le lait maternel, offrant une protection.

Comment maintenir un système immunitaire fort ?

Une alimentation équilibrée, l'exercice et le sommeil aident à maintenir un système immunitaire fort.

Les anticorps peuvent-ils être utilisés pour prévenir le COVID-19 ?

Des traitements par anticorps monoclonaux sont utilisés pour prévenir les formes graves du COVID-19.

Les anticorps sont-ils efficaces contre toutes les infections ?

Non, leur efficacité dépend du type d'infection et de la réponse immunitaire individuelle.

Comment les anticorps sont-ils utilisés en thérapie ?

Des anticorps monoclonaux sont utilisés pour traiter diverses maladies, y compris le cancer.

Les anticorps peuvent-ils être administrés par injection ?

Oui, les anticorps peuvent être administrés par injection pour traiter certaines maladies.

Qu'est-ce que l'immunothérapie par anticorps ?

C'est un traitement qui utilise des anticorps pour renforcer la réponse immunitaire contre le cancer.

Les anticorps peuvent-ils être utilisés pour prévenir des maladies ?

Oui, des anticorps spécifiques peuvent être administrés pour prévenir certaines infections.

Quels sont les effets secondaires des traitements par anticorps ?

Les effets secondaires peuvent inclure des réactions allergiques et des infections.

Quels sont les risques d'une surproduction d'anticorps ?

Une surproduction peut entraîner des maladies auto-immunes ou des allergies graves.

Les anticorps peuvent-ils causer des réactions allergiques ?

Oui, certains anticorps peuvent provoquer des réactions allergiques en réponse à des allergènes.

Quelles complications peuvent survenir avec des anticorps monoclonaux ?

Des infections, des réactions allergiques et des effets secondaires peuvent survenir.

Les anticorps peuvent-ils interférer avec d'autres traitements ?

Oui, certains anticorps peuvent interagir avec d'autres médicaments, affectant leur efficacité.

Quelles sont les complications des maladies auto-immunes ?

Les complications incluent des dommages aux organes, des infections et une qualité de vie réduite.

Quels facteurs augmentent le risque de maladies auto-immunes ?

Des facteurs génétiques, environnementaux et hormonaux peuvent augmenter ce risque.

Le stress influence-t-il la production d'anticorps ?

Oui, le stress chronique peut affecter la réponse immunitaire et la production d'anticorps.

L'âge influence-t-il la réponse des anticorps ?

Oui, la réponse des anticorps peut diminuer avec l'âge, rendant les personnes âgées plus vulnérables.

Les infections antérieures affectent-elles la production d'anticorps ?

Oui, des infections antérieures peuvent influencer la mémoire immunitaire et la production d'anticorps.

Les habitudes alimentaires influencent-elles les anticorps ?

Oui, une alimentation riche en nutriments peut soutenir la production d'anticorps et la santé immunitaire.

Anticorps - Informations médicales vérifiées

Acute Disorders of Consciousness in Pediatric Severe Sepsis and Organ Failure: Secondary Analysis of the Multicenter Phenotyping Sepsis-Induced Multiple Organ Failure Study.

14 Jun 2023

DOI: 10.1097/PCC.0000000000003300 PMID: 37314247

Acute disorders of consciousness (DoC) in pediatric severe sepsis are associated with increased risk of morbidity and mortality. We sought to examine the frequency of and factors associated with DoC i... Secondary analysis of the multicenter Phenotyping Sepsis-Induced Multiple Organ Failure Study (PHENOMS).... Nine tertiary care PICUs in the United States.... Children less than 18 years old admitted to a PICU with severe sepsis and at least one organ failure during a PICU stay.... None.... The primary outcome was frequency of DoC, defined as Glasgow Coma Scale (GCS) less than 12 in the absence of sedatives during an ICU stay, among children with severe sepsis and the following: single o... One of every five children with severe sepsis and organ failure experienced acute DoC during their PICU stay. Preliminary findings suggest the need for prospective evaluation of DoC in children with s...

Management of small subepithelial tumors by endoscopic banding without resection and single-incision needle-knife-assisted biopsy sampling: a prospective multicenter study.

Dec 2023

DOI: 10.1016/j.gie.2023.05.057 PMID: 37263361

Endoscopic band ligation (EBL) without resection combined with single-incision needle-knife (SINK) biopsy sampling may have a positive impact on small GI subepithelial tumor (SET) management, but the ... This prospective multicenter observational cohort study in 7 centers included patients with SETs ≤15 mm (confirmed by EUS) between March 2017 and March 2020. The primary outcome was clinical success a... Of 273 patients screened, 122 (62.3% women; mean age, 60.9 ± 13.2 years) were included with SETs (mean size, 9 ± 2.8 mm; gastric location, 77%; superficial layer dependence, 63%). The primary endpoint... EBL plus SINK biopsy sampling seems to be feasible and safe, and it may offer a favorable clinical impact in small-sized SETs. In particular, SETs ≤10 mm are the best candidates. (Clinical trial regis...

Humans Female Middle Aged Aged Male +5 autres

Surgical site infection after intracorporeal and extracorporeal anastomosis in laparoscopic left colectomy for colon cancer: a multicenter propensity score-matched cohort study.

08 2023

DOI: 10.1007/s00464-023-10093-y PMID: 37170026

Intracorporeal anastomosis (IA) is associated with reduced surgical site infection (SSI) and other postoperative complications in laparoscopic right colectomy (LRC). However, evidence is inadequate fo... In this retrospective multicenter propensity score-matched (PSM) cohort study, we enrolled consecutive patients who underwent LLC with IA (TLLC/IA) and laparoscopic-assisted left colectomy with EA (LA... Overall, 574 and 99 patients received LALC/EA and TLLC/IA, respectively. After PSM, 84 patients with TLLC/IA were matched with 141 patients with LALC/EA. Thirty patients (13.3%) patients experienced S... IA in LLC is associated with a reduced risk of overall SSI and superficial/deep SSI. However, it may require a longer operating time....

Humans Surgical Wound Infection Cohort Studies Propensity Score Retrospective Studies +6 autres

Preventive isolation criteria for the detection of multidrug-resistant bacteria in patients admitted to the Intensive Care Unit: A multicenter study within the Zero Resistance program.

10 May 2023

DOI: 10.1016/j.medine.2023.04.005 PMID: 37173217

To verify the validity of a checklist of risk factors (RFs) proposed by the Spanish "Zero Resistance" project (ZR) in the detection of multidrug-resistant bacteria (MRB), and to identify other possibl... A prospective cohort study, conducted in 2016.... Multicenter study, patients requiring admission to adult ICUs that applied the ZR protocol and accepted the invitation for participating in the study.... Consecutive sample of patients admitted to the ICU and who underwent surveillance (nasal, pharyngeal, axillary and rectal) or clinical cultures.... Analysis of the RFs of the ZR project, in addition to other comorbidities, included in the ENVIN registry. A univariate and multivariate analysis was performed, with binary logistic regression methodo... Carrier of MRB on admission to the ICU, RFs (previous MRB colonization/infection, hospital admission in the previous 3 months, antibiotic use in the past month, institutionalization, dialysis, and oth... A total of 2270 patients from 9 Spanish ICUs were included. We identified MRB in 288 (12.6% of the total patients admitted). In turn, 193 (68.2%) had some RF (OR 4.6, 95%CI: 3.5-6.0). All 6 RFs from t... Patients with at least one RF had an increased risk of being carriers of MRB. However, almost 32% of the MRB were isolated in patients without RFs. Other comorbidities such as immunosuppression, antib...

Clinical, Bacteriological, and Genetic Characterization of Bone and Joint Infections Involving Linezolid-Resistant Staphylococcus epidermidis: a Retrospective Multicenter Study in French Reference Centers.

15 06 2023

DOI: 10.1128/spectrum.04190-22 PMID: 37133395

The choice of the best probabilistic postoperative antibiotics in bone and joint infections (BJIs) is still challenging. Since the implementation of protocolized postoperative linezolid in six French ...

Humans Linezolid Staphylococcus epidermidis Methicillin-Resistant Staphylococcus aureus Rifampin +13 autres

Real world experience with camrelizumab in patients with advanced non-small cell lung cancer: a prospective multicenter cohort study (NOAH-LC-101).

28 Apr 2023

DOI: 10.21037/tlcr-23-121 PMID: 37197631

Camrelizumab has shown promising survival benefits in treatment-naïve advanced non-small cell lung cancer (NSCLC) patients when used in combination with chemotherapy. However, its effectiveness and sa... All consecutive patients aged ≥18 years with confirmed advanced NSCLC scheduled for camrelizumab treatment were screened for inclusion at 43 hospitals in China. The primary outcome was progression-fre... Between August 2019 and February 2021, 403 patients were included. The median age of participants was 65 years (range, 27-87 years). There were 57 (14.1%) participants with an Eastern Cooperative Onco... This study demonstrates the effectiveness and safety of camrelizumab in a large sample of real-world NSCLC patients. The results are generally consistent with those previously reported in pivotal clin...

Do it fast! Early access to specialized care improved long-term outcomes in rheumatoid arthritis: data from the REAL multicenter observational study.

24 04 2023

DOI: 10.1186/s42358-023-00301-7 PMID: 37095556

Early rheumatoid arthritis (RA) offers an opportunity for better treatment outcomes. In real-life settings, grasping this opportunity might depend on access to specialized care. We evaluated the effec... Adults meeting the ACR/EULAR (2010) or ARA (1987) criteria for RA were included. Structured interviews were conducted. The specialized assessment was deemed "early" when the rheumatologist was the fir... We included 1057 participants (89.4% female, 56.5% white); mean (SD) age: 56.9 (11.5) years; disease duration: 173.1 (114.5) months. Median (IQR) delays from symptoms onset to both RA diagnosis and in... Early diagnosis and treatment initiation in patients with RA was critically dependent on early access to the rheumatologist; late specialized assessment was associated with worse long-term clinical ou...

Adult Humans Female Middle Aged Male +5 autres

Perceived Need for Mental Health Services Among Healthcare Workers During the Coronavirus Disease-19 Pandemic in Turkey: A Multicenter Cross-sectional Study

12 07 2023

DOI: 10.4274/balkanmedj.galenos.2023.2022-12-5 PMID: 37073176

The coronavirus disease-2019 pandemic has contributed to work-related psychosocial risks in healthcare workers.... To evaluate the perceived need for mental health services and related factors in Turkish healthcare workers practicing in pandemic hospitals.... Cross-sectional study.... Data were collected from face-to-face interviews with healthcare workers at 19 pandemic hospitals in 13 provinces between September and November 2021. The study survey included the evaluation of the p... Of 1,556 participants, 522 (33.5%) reported a perceived need for mental health services, but only 133 (8.5%) reported receiving these services. Multiple logistic regression analysis of the perceived n... The findings indicate a substantial need for mental health services amongst Turkish healthcare workers during the pandemic and outline participants’ characteristics regarding high-priority groups for ...

Humans Female COVID-19 Cross-Sectional Studies Pandemics +4 autres

Changes in bone turnover markers after discontinuing long-term glucocorticoid administration in children with idiopathic nephrotic syndrome: a multicenter retrospective observational study.

10 2023

DOI: 10.1007/s00467-023-05966-2 PMID: 37052692

Glucocorticoids affect bone turnover. Little is known about how bone turnover changes when glucocorticoids are discontinued following long-term administration.... This retrospective observational study was conducted on the relationship between discontinuation of long-term administration of glucocorticoid and bone turnover markers (BTMs) in patients with childho... Thirty-eight pairs of BTMs at glucocorticoid administration and after discontinuation were analyzed in 29 patients. The median age at baseline was 12.4 (interquartile range, 9.0-14.5) years, and the m... Decreased BTMs can rise within a few months of discontinuing long-term glucocorticoid administration. When the administered glucocorticoid dose is low, changes in BTMs may be small. A higher resolutio...

Humans Child Glucocorticoids Nephrotic Syndrome Tartrate-Resistant Acid Phosphatase +5 autres

Assessments of functional outcomes and its determinants among bipolar disorder patients in Northwest Ethiopia comprehensive specialized hospitals: a multicenter hospital-based study.

06 Apr 2023

DOI: 10.1186/s12991-023-00444-3 PMID: 37024899

Bipolar disorder is a severe and chronic mental illness that could continue for a lifetime. Although it is a leading cause of disability and impairments for significant numbers of patients, the levels... Hospital-based cross-sectional study was employed among bipolar disorder patients attending psychiatric clinics, in Northwest Ethiopia, from April to June 2021. Systematic random sampling was used to ... Of the total 423 study participants approached, only 411 completed the questionnaire, with a response rate of 97.2%. The median (IQR) level of functional outcome was 6 (0-22) and 40% of the study subj... The median of functional outcomes levels was found in an acceptable range; however, significant numbers of bipolar patients were functionally impaired. Moreover, patients still need unrestricted inter...

Anticorps : Questions médicales fréquentes

Termes MeSH sélectionnés :

Sous-catégories

Anticorps anti-idiotypiques

Anticorps anti-archéens

Anticorps antibactériens

Anticorps bispécifiques

Anticorps bloquants

Anticorps catalytiques

Anticorps antifongiques

Anticorps antihelminthe

Anticorps hétérophiles

Anticorps monoclonaux

Anticorps antitumoraux

Anticorps neutralisants

Anticorps phospho-spécifiques

Anticorps antiprotozoaires

Anticorps antiviraux

Autoanticorps

Isotypes des immunoglobulines

Immunoglobulines par voie veineuse

Anticorps anti-insuline

Alloanticorps

Planticorps

Précipitines

Réagines

Antistreptolysine

Anticorps monoclonaux humanisés

Anticorps monoclonaux d'origine murine

Infliximab

Anticorps neutralisants à large spectre

Anticorps antideltarétrovirus

Anticorps de l'hépatite

Anticorps anti-protéines citrullinées

Anticorps antinucléaires

Anticorps antiphospholipides

Facteur néphritique C3

Immunoconglutinines

Immunoglobulines thyréostimulantes

Facteur rhumatoïde

Abatacept

Immunoglobuline A

Immunoglobuline D

Immunoglobuline E

Immunoglobuline G

Immunoglobuline M

Adalimumab

Alemtuzumab

Basiliximab

Bévacizumab

Brentuximab védotine

Cétuximab

Daclizumab

Dénosumab

Gemtuzumab

Inotuzumab ozogamicine

Ipilimumab

Natalizumab

Nivolumab

Omalizumab

Palivizumab

Panitumumab

Ranibizumab

Trastuzumab

Ustékinumab

Rituximab

Anticorps anti-VIH

Anticorps anti-HTLVI

Anticorps anti-HTLVII

Anticorps de l'hépatite A

Anticorps de l'hépatite B

Anticorps de l'hépatite C

Anticorps anticardiolipines

Immunoglobuline A sécrétoire

LATS

Muromonab-CD3

Immunoglobuline Rh

Ado-trastuzumab emtansine

Sources (10000 au total)