Titre : Spectrométrie d'émission X

Spectrométrie d'émission X : Questions médicales fréquentes

Termes MeSH sélectionnés :

Methicillin-Resistant Staphylococcus aureus
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"inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Spectrométrie d'émission X", "description": "Comment la spectrométrie d'émission X est-elle utilisée en diagnostic ?\nQuels types d'échantillons peuvent être analysés ?\nQuelle est la précision de cette méthode ?\nPeut-on détecter des éléments traces ?\nEst-elle utilisée pour des analyses environnementales ?", "url": "https://questionsmedicales.fr/mesh/D013052?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Spectrométrie d'émission X", "description": "Quels symptômes peuvent indiquer un besoin d'analyse ?\nLa spectrométrie peut-elle aider à diagnostiquer des maladies ?\nQuels signes cliniques sont surveillés ?\nPeut-elle détecter des infections ?\nQuels symptômes liés à l'environnement peuvent être analysés ?", "url": 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ajustés grâce à cette méthode ?\nPeut-elle aider à la détection de médicaments dans le corps ?", "url": "https://questionsmedicales.fr/mesh/D013052?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Spectrométrie d'émission X", "description": "Quelles complications peuvent survenir sans analyse ?\nLa spectrométrie peut-elle prévenir des maladies graves ?\nQuels risques sont associés à une exposition prolongée ?\nPeut-elle aider à identifier des complications liées à des traitements ?\nQuels sont les effets d'une contamination environnementale ?", "url": "https://questionsmedicales.fr/mesh/D013052?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Spectrométrie d'émission X", "description": "Quels facteurs augmentent le risque d'intoxication ?\nLes travailleurs dans quels secteurs sont à risque ?\nComment l'alimentation influence-t-elle le risque ?\nLes enfants sont-ils plus à risque ?\nQuels comportements augmentent le risque d'exposition ?", "url": "https://questionsmedicales.fr/mesh/D013052?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment la spectrométrie d'émission X est-elle utilisée en diagnostic ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet d'identifier la composition chimique des échantillons biologiques ou environnementaux." } }, { "@type": "Question", "name": "Quels types d'échantillons peuvent être analysés ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des échantillons solides, liquides ou gazeux, comme des tissus, des sols ou des eaux." } }, { "@type": "Question", "name": "Quelle est la précision de cette méthode ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "La méthode offre une grande précision, souvent à l'échelle des parties par million." } }, { "@type": "Question", "name": "Peut-on détecter des éléments traces ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la spectrométrie d'émission X est efficace pour détecter des éléments traces dans divers échantillons." } }, { "@type": "Question", "name": "Est-elle utilisée pour des analyses environnementales ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est couramment utilisée pour analyser la pollution et la composition des sols et des eaux." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer un besoin d'analyse ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme des anomalies biologiques ou des intoxications peuvent nécessiter une analyse." } }, { "@type": "Question", "name": "La spectrométrie peut-elle aider à diagnostiquer des maladies ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut aider à identifier des carences ou des excès d'éléments dans le corps." } }, { "@type": "Question", "name": "Quels signes cliniques sont surveillés ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes comme des troubles métaboliques ou des anomalies sanguines peuvent être surveillés." } }, { "@type": "Question", "name": "Peut-elle détecter des infections ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Indirectement, en analysant des échantillons pour des éléments spécifiques liés à des infections." } }, { "@type": "Question", "name": "Quels symptômes liés à l'environnement peuvent être analysés ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes d'exposition à des toxines environnementales peuvent être évalués par cette méthode." } }, { "@type": "Question", "name": "Comment la spectrométrie d'émission X aide-t-elle à la prévention ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet de surveiller les niveaux d'éléments toxiques dans l'environnement pour prévenir les risques." } }, { "@type": "Question", "name": "Peut-elle être utilisée pour des programmes de santé publique ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut aider à évaluer la santé de populations exposées à des contaminants." } }, { "@type": "Question", "name": "Quels éléments sont surveillés pour la prévention ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Des éléments comme le plomb, le mercure et d'autres métaux lourds sont souvent surveillés." } }, { "@type": "Question", "name": "Est-elle utile pour la sécurité alimentaire ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut détecter des contaminants dans les aliments pour assurer leur sécurité." } }, { "@type": "Question", "name": "Comment peut-on prévenir les intoxications ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "En surveillant régulièrement les niveaux d'éléments toxiques dans l'environnement et les aliments." } }, { "@type": "Question", "name": "La spectrométrie d'émission X aide-t-elle au traitement ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Elle ne traite pas directement, mais guide les traitements en identifiant des carences ou des toxines." } }, { "@type": "Question", "name": "Peut-elle influencer les choix thérapeutiques ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les résultats peuvent orienter les choix de médicaments ou de suppléments nécessaires." } }, { "@type": "Question", "name": "Est-elle utilisée pour surveiller l'efficacité des traitements ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut être utilisée pour évaluer les niveaux d'éléments après un traitement." } }, { "@type": "Question", "name": "Quels traitements peuvent être ajustés grâce à cette méthode ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements pour des intoxications ou des carences peuvent être ajustés selon les résultats." } }, { "@type": "Question", "name": "Peut-elle aider à la détection de médicaments dans le corps ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut détecter des résidus de médicaments dans des échantillons biologiques." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir sans analyse ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme des intoxications ou des carences nutritionnelles peuvent survenir." } }, { "@type": "Question", "name": "La spectrométrie peut-elle prévenir des maladies graves ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, en détectant des niveaux toxiques d'éléments, elle peut prévenir des maladies graves." } }, { "@type": "Question", "name": "Quels risques sont associés à une exposition prolongée ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Une exposition prolongée à des métaux lourds peut entraîner des troubles neurologiques et rénaux." } }, { "@type": "Question", "name": "Peut-elle aider à identifier des complications liées à des traitements ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut détecter des effets secondaires liés à des traitements médicamenteux." } }, { "@type": "Question", "name": "Quels sont les effets d'une contamination environnementale ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut causer des problèmes de santé variés, allant des allergies aux maladies chroniques." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'intoxication ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition à des environnements pollués ou à des aliments contaminés augmente le risque." } }, { "@type": "Question", "name": "Les travailleurs dans quels secteurs sont à risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Les secteurs minier, industriel et agricole présentent des risques d'exposition à des toxines." } }, { "@type": "Question", "name": "Comment l'alimentation influence-t-elle le risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en contaminants peut augmenter le risque d'intoxication et de carences." } }, { "@type": "Question", "name": "Les enfants sont-ils plus à risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les enfants sont plus vulnérables aux effets des métaux lourds et des toxines." } }, { "@type": "Question", "name": "Quels comportements augmentent le risque d'exposition ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Des comportements comme la consommation de produits non testés ou l'ignorance des risques augmentent le risque." } } ] } ] }

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...