Titre : Études observationnelles comme sujet

Études observationnelles comme sujet : Questions médicales fréquentes

Termes MeSH sélectionnés :

Methicillin-Resistant Staphylococcus aureus
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résultats influencent-ils les politiques de santé ?\nLes études observationnelles mesurent-elles l'impact des programmes de prévention ?\nQuels sont les défis dans l'étude de la prévention ?", "url": "https://questionsmedicales.fr/mesh/D064887?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Études observationnelles comme sujet", "description": "Comment les études observationnelles évaluent-elles les traitements ?\nLes études observationnelles comparent-elles différents traitements ?\nQuels traitements sont souvent étudiés ?\nLes effets secondaires sont-ils documentés dans ces études ?\nComment les résultats des traitements sont-ils interprétés ?", "url": "https://questionsmedicales.fr/mesh/D064887?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Études observationnelles comme sujet", "description": "Les études observationnelles identifient-elles des complications ?\nComment les complications sont-elles mesurées ?\nLes complications sont-elles toujours prévisibles ?\nQuel est l'impact des complications sur le traitement ?\nLes études observationnelles aident-elles à comprendre les complications ?", "url": "https://questionsmedicales.fr/mesh/D064887?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Études observationnelles comme sujet", "description": "Quels facteurs de risque sont souvent étudiés ?\nComment les études observationnelles identifient-elles les facteurs de risque ?\nLes facteurs de risque sont-ils modifiables ?\nQuel est l'impact des facteurs de risque sur la santé ?\nLes études observationnelles peuvent-elles établir des liens de causalité ?", "url": "https://questionsmedicales.fr/mesh/D064887?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment les études observationnelles aident-elles au diagnostic ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Elles identifient des facteurs associés à des maladies, améliorant ainsi le diagnostic précoce." } }, { "@type": "Question", "name": "Quels types de diagnostics sont souvent étudiés ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les maladies chroniques, les infections et les troubles mentaux sont fréquemment analysés." } }, { "@type": "Question", "name": "Les études observationnelles peuvent-elles remplacer des tests diagnostiques ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, elles complètent les tests mais ne les remplacent pas, car elles ne prouvent pas de causalité." } }, { "@type": "Question", "name": "Quel est le rôle des biais dans le diagnostic ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Les biais peuvent fausser les résultats, rendant le diagnostic moins fiable dans certaines études." } }, { "@type": "Question", "name": "Comment les études observationnelles évaluent-elles la précision des diagnostics ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Elles comparent les diagnostics cliniques avec des résultats de référence pour mesurer la précision." } }, { "@type": "Question", "name": "Quels symptômes sont souvent observés dans les études ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes varient selon les maladies, incluant douleur, fatigue et troubles cognitifs." } }, { "@type": "Question", "name": "Comment les symptômes sont-ils mesurés dans ces études ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Ils sont souvent évalués par des questionnaires standardisés ou des échelles de mesure." } }, { "@type": "Question", "name": "Les études observationnelles identifient-elles des symptômes nouveaux ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent révéler des symptômes non documentés ou mal compris dans certaines conditions." } }, { "@type": "Question", "name": "Quel est l'impact des symptômes sur la qualité de vie ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent significativement affecter la qualité de vie, limitant les activités quotidiennes." } }, { "@type": "Question", "name": "Les symptômes sont-ils toujours fiables dans les études ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Non, leur fiabilité peut être influencée par des biais de déclaration ou des facteurs contextuels." } }, { "@type": "Question", "name": "Les études observationnelles aident-elles à identifier des stratégies de prévention ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles identifient des facteurs de risque et des comportements protecteurs pour la santé." } }, { "@type": "Question", "name": "Quels comportements sont souvent étudiés pour la prévention ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "L'alimentation, l'exercice physique et le tabagisme sont fréquemment analysés." } }, { "@type": "Question", "name": "Comment les résultats influencent-ils les politiques de santé ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Les résultats peuvent guider les politiques de santé publique en matière de prévention des maladies." } }, { "@type": "Question", "name": "Les études observationnelles mesurent-elles l'impact des programmes de prévention ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles évaluent l'efficacité des programmes de prévention dans des populations spécifiques." } }, { "@type": "Question", "name": "Quels sont les défis dans l'étude de la prévention ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Les défis incluent le suivi à long terme et la variabilité des comportements individuels." } }, { "@type": "Question", "name": "Comment les études observationnelles évaluent-elles les traitements ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Elles analysent les résultats des traitements dans des populations réelles sans randomisation." } }, { "@type": "Question", "name": "Les études observationnelles comparent-elles différents traitements ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent comparer l'efficacité de plusieurs traitements dans des conditions réelles." } }, { "@type": "Question", "name": "Quels traitements sont souvent étudiés ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements médicamenteux, les interventions chirurgicales et les thérapies comportementales." } }, { "@type": "Question", "name": "Les effets secondaires sont-ils documentés dans ces études ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les études observationnelles rapportent souvent des effets secondaires observés chez les patients." } }, { "@type": "Question", "name": "Comment les résultats des traitements sont-ils interprétés ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Ils sont interprétés en tenant compte des biais potentiels et des facteurs de confusion." } }, { "@type": "Question", "name": "Les études observationnelles identifient-elles des complications ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles documentent les complications associées à des maladies ou traitements spécifiques." } }, { "@type": "Question", "name": "Comment les complications sont-elles mesurées ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont mesurées par des événements indésirables rapportés ou des critères cliniques définis." } }, { "@type": "Question", "name": "Les complications sont-elles toujours prévisibles ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Non, certaines complications peuvent survenir de manière inattendue, rendant leur prévision difficile." } }, { "@type": "Question", "name": "Quel est l'impact des complications sur le traitement ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les complications peuvent nécessiter des ajustements de traitement ou des interventions supplémentaires." } }, { "@type": "Question", "name": "Les études observationnelles aident-elles à comprendre les complications ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles fournissent des données sur la fréquence et les facteurs associés aux complications." } }, { "@type": "Question", "name": "Quels facteurs de risque sont souvent étudiés ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs de risque incluent l'âge, le sexe, le mode de vie et les antécédents médicaux." } }, { "@type": "Question", "name": "Comment les études observationnelles identifient-elles les facteurs de risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Elles analysent les données de santé et les comportements des populations sur de longues périodes." } }, { "@type": "Question", "name": "Les facteurs de risque sont-ils modifiables ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Certains sont modifiables, comme le tabagisme et l'alimentation, tandis que d'autres ne le sont pas." } }, { "@type": "Question", "name": "Quel est l'impact des facteurs de risque sur la santé ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Ils augmentent la probabilité de développer des maladies, influençant la santé publique." } }, { "@type": "Question", "name": "Les études observationnelles peuvent-elles établir des liens de causalité ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent suggérer des associations, mais ne peuvent pas prouver la causalité directement." } } ] } ] }

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...