Titre : Imagerie par résonance magnétique

Imagerie par résonance magnétique : Questions médicales fréquentes

Termes MeSH sélectionnés :

Methicillin-Resistant Staphylococcus aureus
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symptômes peuvent indiquer une tumeur ?", "url": "https://questionsmedicales.fr/mesh/D008279?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Imagerie par résonance magnétique", "description": "L'IRM peut-elle prévenir des maladies ?\nComment l'IRM contribue-t-elle à la prévention ?\nL'IRM est-elle recommandée pour les dépistages ?\nPeut-on utiliser l'IRM pour surveiller des facteurs de risque ?\nL'IRM aide-t-elle à la prévention des AVC ?", "url": "https://questionsmedicales.fr/mesh/D008279?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Imagerie par résonance magnétique", "description": "L'IRM est-elle un traitement ?\nComment l'IRM influence-t-elle le traitement ?\nL'IRM peut-elle guider des biopsies ?\nL'IRM est-elle utilisée pour suivre l'évolution d'une maladie ?\nPeut-on utiliser l'IRM pour évaluer la réponse au traitement ?", "url": "https://questionsmedicales.fr/mesh/D008279?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Imagerie par résonance magnétique", "description": "Quelles sont les complications possibles de l'IRM ?\nL'IRM peut-elle causer de l'anxiété ?\nY a-t-il des risques liés au contraste en IRM ?\nL'IRM peut-elle aggraver certaines conditions ?\nLes implants métalliques posent-ils des risques en IRM ?", "url": "https://questionsmedicales.fr/mesh/D008279?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Imagerie par résonance magnétique", "description": "Quels facteurs de risque sont associés à l'IRM ?\nLes femmes enceintes peuvent-elles passer une IRM ?\nLes personnes claustrophobes peuvent-elles faire une IRM ?\nLes allergies au contraste sont-elles un facteur de risque ?\nLes enfants peuvent-ils passer une IRM ?", "url": "https://questionsmedicales.fr/mesh/D008279?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Quand l'IRM est-elle utilisée pour le diagnostic ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM est utilisée pour diagnostiquer des maladies neurologiques, musculosquelettiques et cardiaques." } }, { "@type": "Question", "name": "L'IRM peut-elle détecter des tumeurs ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'IRM est efficace pour détecter et caractériser les tumeurs dans divers tissus." } }, { "@type": "Question", "name": "L'IRM est-elle utile pour les maladies cérébrales ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'évaluer les AVC, les tumeurs et les maladies neurodégénératives." } }, { "@type": "Question", "name": "Peut-on utiliser l'IRM pour les articulations ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'IRM est couramment utilisée pour évaluer les lésions articulaires et les tissus mous." } }, { "@type": "Question", "name": "L'IRM peut-elle aider à diagnostiquer des maladies cardiaques ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'IRM cardiaque évalue la fonction cardiaque et les anomalies structurelles." } }, { "@type": "Question", "name": "Quels symptômes peuvent nécessiter une IRM ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs persistantes, des troubles neurologiques ou des anomalies visibles peuvent nécessiter une IRM." } }, { "@type": "Question", "name": "L'IRM peut-elle aider à évaluer des douleurs lombaires ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'identifier des hernies discales ou d'autres anomalies dans la colonne vertébrale." } }, { "@type": "Question", "name": "Quels signes neurologiques justifient une IRM ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes comme des maux de tête sévères, des vertiges ou des troubles de la vision peuvent justifier une IRM." } }, { "@type": "Question", "name": "L'IRM peut-elle détecter des anomalies vasculaires ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'IRM peut identifier des malformations vasculaires ou des thromboses dans le corps." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une tumeur ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs inexpliquées, des pertes de poids ou des changements d'appétit peuvent indiquer une tumeur." } }, { "@type": "Question", "name": "L'IRM peut-elle prévenir des maladies ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM ne prévient pas les maladies, mais elle aide à détecter précocement des problèmes." } }, { "@type": "Question", "name": "Comment l'IRM contribue-t-elle à la prévention ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet un diagnostic précoce, ce qui peut améliorer les résultats de traitement." } }, { "@type": "Question", "name": "L'IRM est-elle recommandée pour les dépistages ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM est recommandée pour le dépistage de certaines conditions, comme le cancer du sein." } }, { "@type": "Question", "name": "Peut-on utiliser l'IRM pour surveiller des facteurs de risque ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'IRM peut surveiller des facteurs de risque comme les anomalies vasculaires." } }, { "@type": "Question", "name": "L'IRM aide-t-elle à la prévention des AVC ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut détecter des anomalies qui augmentent le risque d'AVC, permettant une intervention précoce." } }, { "@type": "Question", "name": "L'IRM est-elle un traitement ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Non, l'IRM est un outil de diagnostic, mais elle guide les décisions de traitement." } }, { "@type": "Question", "name": "Comment l'IRM influence-t-elle le traitement ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les résultats de l'IRM aident à planifier des interventions chirurgicales ou des traitements ciblés." } }, { "@type": "Question", "name": "L'IRM peut-elle guider des biopsies ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'IRM peut être utilisée pour guider des biopsies en localisant précisément les lésions." } }, { "@type": "Question", "name": "L'IRM est-elle utilisée pour suivre l'évolution d'une maladie ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de surveiller l'évolution des maladies et l'efficacité des traitements." } }, { "@type": "Question", "name": "Peut-on utiliser l'IRM pour évaluer la réponse au traitement ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'IRM est utile pour évaluer la réponse des tumeurs aux traitements oncologiques." } }, { "@type": "Question", "name": "Quelles sont les complications possibles de l'IRM ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications sont rares, mais peuvent inclure des réactions allergiques au contraste." } }, { "@type": "Question", "name": "L'IRM peut-elle causer de l'anxiété ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains patients peuvent ressentir de l'anxiété en raison du bruit et de l'enfermement dans l'appareil." } }, { "@type": "Question", "name": "Y a-t-il des risques liés au contraste en IRM ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des réactions allergiques ou des problèmes rénaux peuvent survenir avec les agents de contraste." } }, { "@type": "Question", "name": "L'IRM peut-elle aggraver certaines conditions ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Dans de rares cas, l'IRM peut aggraver des conditions comme l'anxiété ou la claustrophobie." } }, { "@type": "Question", "name": "Les implants métalliques posent-ils des risques en IRM ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains implants métalliques peuvent interférer avec l'IRM ou causer des blessures." } }, { "@type": "Question", "name": "Quels facteurs de risque sont associés à l'IRM ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs de risque incluent des antécédents médicaux, des implants métalliques ou des allergies." } }, { "@type": "Question", "name": "Les femmes enceintes peuvent-elles passer une IRM ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM est généralement évitée durant le premier trimestre, sauf en cas d'urgence médicale." } }, { "@type": "Question", "name": "Les personnes claustrophobes peuvent-elles faire une IRM ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des techniques de relaxation ou des appareils ouverts peuvent aider les personnes claustrophobes." } }, { "@type": "Question", "name": "Les allergies au contraste sont-elles un facteur de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les antécédents d'allergies aux agents de contraste doivent être signalés avant l'IRM." } }, { "@type": "Question", "name": "Les enfants peuvent-ils passer une IRM ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'IRM est sûre pour les enfants, mais des précautions sont prises pour les calmer." } } ] } ] }

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...