Titre : Arachidonate 12-lipoxygenase

Arachidonate 12-lipoxygenase : Questions médicales fréquentes

Termes MeSH sélectionnés :

Methicillin-Resistant Staphylococcus aureus
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"https://questionsmedicales.fr/mesh/D001092?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Arachidonate 12-lipoxygenase", "description": "Quels sont les symptômes d'une suractivité de l'enzyme ?\nL'arachidonate 12-lipoxygenase est-elle liée à des maladies spécifiques ?\nQuels signes cliniques peuvent indiquer une déficience ?\nComment l'inflammation se manifeste-t-elle cliniquement ?\nLes symptômes varient-ils selon l'âge ?", "url": "https://questionsmedicales.fr/mesh/D001092?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Arachidonate 12-lipoxygenase", "description": "Comment prévenir les troubles liés à l'enzyme ?\nY a-t-il des exercices recommandés ?\nLe stress a-t-il un impact sur l'activité de l'enzyme ?\nDes suppléments peuvent-ils aider à la prévention ?\nLa gestion du poids est-elle importante ?", "url": "https://questionsmedicales.fr/mesh/D001092?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Arachidonate 12-lipoxygenase", "description": "Quels traitements ciblent l'arachidonate 12-lipoxygenase ?\nLes anti-inflammatoires non stéroïdiens sont-ils efficaces ?\nY a-t-il des thérapies alternatives recommandées ?\nComment la diététique influence-t-elle l'activité de l'enzyme ?\nLes corticostéroïdes sont-ils utilisés dans ce contexte ?", "url": "https://questionsmedicales.fr/mesh/D001092?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Arachidonate 12-lipoxygenase", "description": "Quelles complications peuvent survenir avec une suractivité de l'enzyme ?\nL'arachidonate 12-lipoxygenase est-elle liée au cancer ?\nComment les maladies auto-immunes sont-elles liées à cette enzyme ?\nDes troubles neurologiques peuvent-ils être associés ?\nQuels effets à long terme peut avoir une inflammation chronique ?", "url": "https://questionsmedicales.fr/mesh/D001092?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Arachidonate 12-lipoxygenase", "description": "Quels facteurs de risque sont associés à une dysfonction de l'enzyme ?\nL'hérédité joue-t-elle un rôle dans les troubles liés à l'enzyme ?\nLe mode de vie sédentaire est-il un facteur de risque ?\nLe stress chronique influence-t-il l'activité de l'enzyme ?\nLes infections fréquentes sont-elles un facteur de risque ?", "url": "https://questionsmedicales.fr/mesh/D001092?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une dysfonction de l'arachidonate 12-lipoxygenase ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests sanguins et des analyses biochimiques peuvent évaluer l'activité de l'enzyme." } }, { "@type": "Question", "name": "Quels marqueurs biochimiques sont associés à cette enzyme ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les produits de dégradation des acides gras, comme les leucotriènes, peuvent être mesurés." } }, { "@type": "Question", "name": "Y a-t-il des tests génétiques pour l'arachidonate 12-lipoxygenase ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des tests génétiques peuvent identifier des mutations affectant l'enzyme." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer un problème avec cette enzyme ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes inflammatoires, comme des douleurs articulaires, peuvent survenir." } }, { "@type": "Question", "name": "Comment l'imagerie peut-elle aider dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'imagerie peut détecter des inflammations ou des lésions associées à des troubles métaboliques." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une suractivité de l'enzyme ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Une suractivité peut entraîner des inflammations chroniques et des douleurs." } }, { "@type": "Question", "name": "L'arachidonate 12-lipoxygenase est-elle liée à des maladies spécifiques ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est impliquée dans des maladies comme l'asthme et l'arthrite." } }, { "@type": "Question", "name": "Quels signes cliniques peuvent indiquer une déficience ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes comme une susceptibilité accrue aux infections peuvent apparaître." } }, { "@type": "Question", "name": "Comment l'inflammation se manifeste-t-elle cliniquement ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut se manifester par des rougeurs, des gonflements et des douleurs localisées." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon l'âge ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les symptômes peuvent être plus prononcés chez les personnes âgées en raison de comorbidités." } }, { "@type": "Question", "name": "Comment prévenir les troubles liés à l'enzyme ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée et un mode de vie sain peuvent aider à prévenir les troubles." } }, { "@type": "Question", "name": "Y a-t-il des exercices recommandés ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des exercices réguliers peuvent améliorer la santé globale et réduire l'inflammation." } }, { "@type": "Question", "name": "Le stress a-t-il un impact sur l'activité de l'enzyme ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut exacerber l'inflammation et affecter l'activité enzymatique." } }, { "@type": "Question", "name": "Des suppléments peuvent-ils aider à la prévention ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Des suppléments d'oméga-3 peuvent contribuer à une meilleure régulation de l'enzyme." } }, { "@type": "Question", "name": "La gestion du poids est-elle importante ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, maintenir un poids santé peut réduire le risque d'inflammation chronique." } }, { "@type": "Question", "name": "Quels traitements ciblent l'arachidonate 12-lipoxygenase ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des inhibiteurs spécifiques de l'enzyme peuvent être utilisés pour réduire l'inflammation." } }, { "@type": "Question", "name": "Les anti-inflammatoires non stéroïdiens sont-ils efficaces ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent réduire l'inflammation en inhibant la voie de l'acide arachidonique." } }, { "@type": "Question", "name": "Y a-t-il des thérapies alternatives recommandées ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des thérapies comme l'acupuncture ou les oméga-3 peuvent aider à gérer les symptômes." } }, { "@type": "Question", "name": "Comment la diététique influence-t-elle l'activité de l'enzyme ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en acides gras oméga-3 peut moduler l'activité de l'enzyme." } }, { "@type": "Question", "name": "Les corticostéroïdes sont-ils utilisés dans ce contexte ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils sont souvent prescrits pour réduire l'inflammation associée." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une suractivité de l'enzyme ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme des maladies cardiovasculaires et des troubles respiratoires peuvent survenir." } }, { "@type": "Question", "name": "L'arachidonate 12-lipoxygenase est-elle liée au cancer ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une surproduction de produits lipoxygénés peut être associée à certains cancers." } }, { "@type": "Question", "name": "Comment les maladies auto-immunes sont-elles liées à cette enzyme ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Une dysrégulation de l'enzyme peut contribuer à l'aggravation des maladies auto-immunes." } }, { "@type": "Question", "name": "Des troubles neurologiques peuvent-ils être associés ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des études suggèrent un lien entre l'activité de l'enzyme et certains troubles neurologiques." } }, { "@type": "Question", "name": "Quels effets à long terme peut avoir une inflammation chronique ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une inflammation chronique peut entraîner des dommages tissulaires et des maladies dégénératives." } }, { "@type": "Question", "name": "Quels facteurs de risque sont associés à une dysfonction de l'enzyme ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des facteurs comme l'obésité, le tabagisme et une mauvaise alimentation augmentent le risque." } }, { "@type": "Question", "name": "L'hérédité joue-t-elle un rôle dans les troubles liés à l'enzyme ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de maladies inflammatoires peuvent augmenter le risque." } }, { "@type": "Question", "name": "Le mode de vie sédentaire est-il un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un mode de vie sédentaire peut contribuer à l'inflammation et à la dysfonction enzymatique." } }, { "@type": "Question", "name": "Le stress chronique influence-t-il l'activité de l'enzyme ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut exacerber l'inflammation et affecter l'activité de l'enzyme." } }, { "@type": "Question", "name": "Les infections fréquentes sont-elles un facteur de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des infections répétées peuvent perturber l'équilibre immunitaire et affecter l'enzyme." } } ] } ] }

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...