Titre : Systèmes de transport d'acides aminés neutres

Systèmes de transport d'acides aminés neutres : Questions médicales fréquentes

Termes MeSH sélectionnés :

Methicillin-Resistant Staphylococcus aureus
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de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-18", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Systèmes de transport d'acides aminés neutres", "description": "Comment diagnostiquer un trouble de transport d'acides aminés ?\nQuels examens sont utilisés pour évaluer le transport d'acides aminés ?\nLes symptômes peuvent-ils indiquer un trouble de transport ?\nQuel rôle joue l'historique médical dans le diagnostic ?\nLes tests de dépistage néonatal incluent-ils ces troubles ?", "url": "https://questionsmedicales.fr/mesh/D026921?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Systèmes de transport d'acides aminés neutres", "description": "Quels sont les symptômes d'un trouble de transport d'acides aminés ?\nLes troubles digestifs sont-ils liés à ces systèmes ?\nPeut-on observer des anomalies neurologiques ?\nLes symptômes varient-ils selon l'âge ?\nY a-t-il des signes cutanés associés ?", "url": "https://questionsmedicales.fr/mesh/D026921?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Systèmes de transport d'acides aminés neutres", "description": "Peut-on prévenir les troubles de transport d'acides aminés ?\nL'alimentation joue-t-elle un rôle préventif ?\nLes conseils génétiques sont-ils utiles ?\nLe suivi médical régulier est-il important ?\nLes vaccinations ont-elles un impact ?", "url": "https://questionsmedicales.fr/mesh/D026921?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Systèmes de transport d'acides aminés neutres", "description": "Quels traitements sont disponibles pour ces troubles ?\nLa thérapie génique est-elle une option ?\nLes médicaments peuvent-ils aider ?\nComment un régime alimentaire peut-il aider ?\nY a-t-il des traitements expérimentaux ?", "url": "https://questionsmedicales.fr/mesh/D026921?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Systèmes de transport d'acides aminés neutres", "description": "Quelles complications peuvent survenir ?\nLes troubles psychologiques sont-ils possibles ?\nY a-t-il des risques de maladies métaboliques ?\nLes complications peuvent-elles affecter la qualité de vie ?\nDes problèmes de croissance peuvent-ils survenir ?", "url": "https://questionsmedicales.fr/mesh/D026921?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Systèmes de transport d'acides aminés neutres", "description": "Quels sont les facteurs de risque génétiques ?\nL'alimentation peut-elle influencer le risque ?\nLes infections peuvent-elles aggraver la situation ?\nL'âge parental joue-t-il un rôle ?\nY a-t-il des facteurs environnementaux à considérer ?", "url": "https://questionsmedicales.fr/mesh/D026921?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer un trouble de transport d'acides aminés ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests génétiques et des analyses sanguines peuvent être effectués pour évaluer le transport." } }, { "@type": "Question", "name": "Quels examens sont utilisés pour évaluer le transport d'acides aminés ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests de concentration d'acides aminés dans le sang et l'urine sont courants." } }, { "@type": "Question", "name": "Les symptômes peuvent-ils indiquer un trouble de transport ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des symptômes comme la fatigue ou des troubles de croissance peuvent alerter." } }, { "@type": "Question", "name": "Quel rôle joue l'historique médical dans le diagnostic ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'historique médical aide à identifier des antécédents familiaux de troubles métaboliques." } }, { "@type": "Question", "name": "Les tests de dépistage néonatal incluent-ils ces troubles ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains programmes de dépistage néonatal incluent des tests pour ces troubles." } }, { "@type": "Question", "name": "Quels sont les symptômes d'un trouble de transport d'acides aminés ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fatigue, retard de croissance et troubles neurologiques." } }, { "@type": "Question", "name": "Les troubles digestifs sont-ils liés à ces systèmes ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles digestifs peuvent survenir en raison d'une malabsorption des acides aminés." } }, { "@type": "Question", "name": "Peut-on observer des anomalies neurologiques ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des anomalies neurologiques peuvent se manifester en raison d'un manque d'acides aminés." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon l'âge ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les symptômes peuvent varier selon l'âge et le type de trouble de transport." } }, { "@type": "Question", "name": "Y a-t-il des signes cutanés associés ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Certaines carences peuvent entraîner des éruptions cutanées ou des problèmes dermatologiques." } }, { "@type": "Question", "name": "Peut-on prévenir les troubles de transport d'acides aminés ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La prévention est limitée, mais un dépistage précoce peut aider à gérer les cas." } }, { "@type": "Question", "name": "L'alimentation joue-t-elle un rôle préventif ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée peut aider à prévenir certaines carences en acides aminés." } }, { "@type": "Question", "name": "Les conseils génétiques sont-ils utiles ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les conseils génétiques peuvent aider les familles à comprendre les risques héréditaires." } }, { "@type": "Question", "name": "Le suivi médical régulier est-il important ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un suivi médical régulier peut aider à détecter les problèmes tôt." } }, { "@type": "Question", "name": "Les vaccinations ont-elles un impact ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Les vaccinations n'ont pas d'impact direct sur les troubles de transport d'acides aminés." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour ces troubles ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent des régimes alimentaires spécifiques et des suppléments d'acides aminés." } }, { "@type": "Question", "name": "La thérapie génique est-elle une option ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "La thérapie génique est en cours d'étude pour certains troubles de transport d'acides aminés." } }, { "@type": "Question", "name": "Les médicaments peuvent-ils aider ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Certains médicaments peuvent améliorer l'absorption ou réduire les symptômes associés." } }, { "@type": "Question", "name": "Comment un régime alimentaire peut-il aider ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Un régime adapté peut compenser les carences en acides aminés et améliorer la santé." } }, { "@type": "Question", "name": "Y a-t-il des traitements expérimentaux ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des traitements expérimentaux sont en cours pour certains troubles rares." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des retards de développement et des troubles neurologiques." } }, { "@type": "Question", "name": "Les troubles psychologiques sont-ils possibles ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles psychologiques peuvent survenir en raison de carences nutritionnelles." } }, { "@type": "Question", "name": "Y a-t-il des risques de maladies métaboliques ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies métaboliques peuvent se développer si les troubles ne sont pas traités." } }, { "@type": "Question", "name": "Les complications peuvent-elles affecter la qualité de vie ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les complications peuvent significativement affecter la qualité de vie des patients." } }, { "@type": "Question", "name": "Des problèmes de croissance peuvent-ils survenir ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des problèmes de croissance sont fréquents chez les enfants atteints de ces troubles." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque génétiques ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents familiaux de troubles métaboliques augmentent le risque." } }, { "@type": "Question", "name": "L'alimentation peut-elle influencer le risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une alimentation pauvre en acides aminés peut augmenter le risque de carences." } }, { "@type": "Question", "name": "Les infections peuvent-elles aggraver la situation ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Certaines infections peuvent exacerber les symptômes des troubles de transport." } }, { "@type": "Question", "name": "L'âge parental joue-t-il un rôle ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'âge avancé des parents peut être un facteur de risque pour certaines anomalies." } }, { "@type": "Question", "name": "Y a-t-il des facteurs environnementaux à considérer ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains facteurs environnementaux peuvent influencer le développement de ces troubles." } } ] } ] }

Sources (10000 au total)

Methicillin-resistant Staphylococcus aureus-associated orbital cellulitis: a case series.

In recent years, methicillin-resistant Staphylococcus aureus (MRSA) orbital cellulitis (OC) has drawn increasing clinical and public health concern. We present a case series of MRSA OC encountered at ... A multi-centre retrospective case series investigating MRSA OC in Australia from 2013 to 2022. Patients of all ages were included.... Nine cases of culture-positive non-multi-resistant MRSA (nmMRSA) OC were identified at four tertiary institutions across Australia (7 male, 2 female). Mean age was 17.1 ± 16.7 years (range 13-days to ... NMMRSA OC can follow an aggressive clinical course causing severe orbital and intracranial complications across a wide demographic. However, early recognition, initiation of targeted antibiotics and s...

Predictors of Methicillin-resistant Staphylococcus aureus infection in children with acute osteomyelitis.

This study aims to identify risk factors associated with Methicillin-resistant Staphylococcus aureus (MRSA) infection in children diagnosed with acute osteomyelitis (AO) and to elucidate the laborator... We conducted a retrospective analysis involving 123 children with acute osteomyelitis treated at our hospital. Upon admission, we measured white blood cell (WBC) counts, C-reactive protein (CRP) level... The MRSA group had a significantly higher average age compared to the non-MRSA group (P < 0.05). Notably, the incidence of suppurative arthritis was significantly lower in the MRSA group (P < 0.05). A... In children newly admitted with acute osteomyelitis, a CRP level exceeding 73.23 µg/mL may indicate a high likelihood of MRSA infection. For children with AO who have been hospitalized for three days ...

[Prevalence and risk factors for methicillin-resistant Staphylococcus aureus infection in children].

The objectives of this work were to know the prevalence of methicillin-resistant S. aureus (MRSA) infections in the paediatric population of our health department, to describe the risk factors for inf... A retrospective, descriptive and analytical study of infections produced by MRSA versus those produced by MSSA was carried out during the years 2014 to 2018. Risk factors for MRSA infection were studi... 162 patients with S. aureus infections were identified. Of these, 25 (15.4%) were MRSA. The highest percentages of MRSA infection occurred among children who required hospital admission (23.4%). In th... Our results suggest the need to review empirical local treatment regimen using drugs active against MRSA in infections of probable staphylococcal origin admitted to the hospital, especially if they ha...

Vancomycin plus ceftaroline for persistent methicillin-resistant Staphylococcus aureus bacteremia.

The preferred antibiotic salvage regimen for persistent methicillin-resistant Staphylococcus aureus bacteremia (MRSAB) is unclear. We sought to evaluate the effectiveness and safety of vancomycin plus... Single-center, retrospective cohort study between January 1, 2016, and December 31, 2021.... State University of New York Upstate University Hospital, a 748-bed tertiary care, academic medical center in Syracuse, NY.... Adult patients were included if they had blood cultures positive for MRSA ≥72 h, received vancomycin monotherapy initially, and received vancomycin plus ceftaroline for ≥24 h. Patients were excluded i... Patients were medically complex with a median Pitt bacteremia score of 3, 63.3% (19/30) were admitted to the intensive care unit, and 66.7% (20/30) had infective endocarditis. Vancomycin-associated ac... Vancomycin plus ceftaroline may represent an effective and well-tolerated salvage regimen option for persistent MRSAB....

Rate of methicillin-resistant Staphylococcus aureus in pediatric emergency departments in Spain.

Staphylococcus aureus is a common germ in bacterial infections in children. The rate of methicillin-resistant S. aureus (MRSA) is increasing lately.... The main aim is to know the rate of positive cultures to MRSA in Spanish pediatric emergency departments. The secondary aims are to analyse the risk factors for MRSA isolation (patient origin, history... Retrospective multicenter study (07/01/2017-06/30/2018) with review of patient histories with isolation of S. aureus in samples of any origin obtained in 8 pediatric emergency departments of the Infec... During this period, S. aureus was detected in 403 patients (average age 75.8 ± 59.2 months; 54.8% male): 28.8% hospital-related infections (HRI) and 71.2% community-related infections (CRI). Overall, ... The overall MRSA rate was one in 6 staphylococcal infections. Higher MRSA rates were detected in samples of suppurating skin injuries and in foreign children or in children with a history of previous ...

Evaluation of the synergistic effect of ceftaroline against methicillin-resistant Staphylococcus aureus.

We aimed to determine the synergistic effects of ceftaroline (CPT) in combination with daptomycin (DAP), vancomycin (VAN), or linezolid (LNZ) against various methicillin-resistant Staphylococcus aureu... MRSA strains randomly selected from 2014 to 2018 were studied. Checkerboard titration and in vitro time-kill analyses were used to determine the synergistic activities of the antibiotic combinations.... A total of 10 genetically distinct MRSA strains were included in this study. The checkerboard titration analysis revealed that the CPT-DAP, CPT-VAN, and CPT-LNZ combinations had a synergistic effect a... The CPT-DAP combination showed better synergistic activity than the CPT-VAN and CPT-LNZ combinations against the enrolled MRSA strains. DAP, rather than VAN or LNZ, might be a better choice for CPT co...

Using Methicillin-Resistant Staphylococcus aureus Nasal Screens to Rule Out Methicillin-Resistant S aureus Pneumonia in Surgical Intensive Care Units.

The methicillin-resistant Staphylococcus aureus (MRSA) polymerase chain reaction (PCR) has a high negative predictive value (NPV). We aimed to understand if there was a difference in the NPV of the MR... We performed a single-center, retrospective cohort study of adults with a positive respiratory culture and MRSA nasal PCR admitted to a surgical ICU from 2016 to 2019. Patients were stratified by surg... We analyzed 61 patients: 42.6% (n = 26) ACS-ICU and 57.4% (n = 35) CVICU. There were no differences in age, comorbidities, prior MRSA infection, recent antibiotic use, immunocompromised status, or ren... The MRSA nasal PCR screen has a high NPV for ruling out MRSA pneumonia in critically ill surgical patients. However, patients in the CVICU and patients hospitalized ≥5 d had a longer time to de-escala...

Molecular epidemiology, virulence and antimicrobial resistance of Bulgarian methicillin resistant Staphylococcus aureus isolates.

Severe infections of virulent methicillin-resistant Staphylococcus aureus (MRSA) are a serious health problem. The present study aimed to investigate clonal spread, virulence and antimicrobial resista... Molecular identification and mecA gene detection were performed with PCR. Clonal relatedness was evaluated by RAPD PCR and MLST. MRSA epidemiology, virulence and resistance patterns were investigated ... All 27 isolates were identified as S. aureus and were mecA positive, and all were susceptible to linezolid, tigecycline and vancomycin. The toxin genes hlg (in 92.6% of isolates), seb (77.8%), sei (77... To the best of our knowledge, this study is the first describing the clonal spreading of Bulgarian MRSA and the association with their virulence and resistance determinants. Monitoring of MRSA epidemi...

Comparing Rates of Postoperative Meningitis After Endoscopic Endonasal Procedures Based on Methicillin-Resistant Staphylococcus aureus/Methicillin-Sensitive Staphylococcus aureus Colonization and Antibiotic Prophylaxis.

Endoscopic endonasal approach (EEA) procedures are inherently contaminated due to direct access through the nasopharyngeal mucosa. The reported rate of postoperative meningitis in EEA procedures is 0.... All adult patients who underwent EEA resection at our institution from 2013 to 2021 were retrospectively reviewed. Patients with preoperative cerebrospinal fluid infections were excluded. Data includi... Of 483 patients identified (mean age, 51 years; range, 18-90 years; 274 [56.7%] female), 80 (16.6%) had a positive preoperative methicillin-resistant Staphylococcus aureus (MRSA)/methicillin-sensitive... Postoperative rates of meningitis after EEA surgery were not significantly changed based on MRSA/MSSA colonization status of the patient or preoperative decolonization. The utility of preoperative tes...