Titre : Arachidonate 5-lipoxygenase

Arachidonate 5-lipoxygenase : Questions médicales fréquentes

Termes MeSH sélectionnés :

Methicillin-Resistant Staphylococcus aureus
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"MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Arachidonate 5-lipoxygenase", "description": "Quels sont les symptômes d'une surproduction de leucotriènes ?\nComment l'inflammation se manifeste-t-elle ?\nY a-t-il des signes d'allergies liés à cette enzyme ?\nQuels symptômes sont associés à l'asthme ?\nComment reconnaître une crise d'asthme ?", "url": "https://questionsmedicales.fr/mesh/D001094?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Arachidonate 5-lipoxygenase", "description": "Comment prévenir les crises d'asthme ?\nY a-t-il des mesures diététiques à prendre ?\nComment gérer le stress pour prévenir l'inflammation ?\nQuels exercices sont bénéfiques pour les asthmatiques ?\nComment éviter les irritants environnementaux ?", "url": "https://questionsmedicales.fr/mesh/D001094?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Arachidonate 5-lipoxygenase", "description": "Quels médicaments ciblent l'arachidonate 5-lipoxygenase ?\nComment les anti-inflammatoires aident-ils ?\nY a-t-il des traitements naturels disponibles ?\nQuels sont les effets des corticostéroïdes ?\nComment les bronchodilatateurs agissent-ils ?", "url": "https://questionsmedicales.fr/mesh/D001094?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Arachidonate 5-lipoxygenase", "description": "Quelles complications peuvent survenir avec l'asthme ?\nComment l'inflammation chronique affecte-t-elle la santé ?\nY a-t-il des risques de développement d'allergies ?\nQuels sont les effets à long terme de l'asthme non contrôlé ?\nComment l'asthme peut-il affecter la vie quotidienne ?", "url": "https://questionsmedicales.fr/mesh/D001094?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Arachidonate 5-lipoxygenase", "description": "Quels sont les facteurs de risque pour l'asthme ?\nComment le tabagisme influence-t-il l'asthme ?\nY a-t-il un lien entre l'obésité et l'asthme ?\nQuels rôles jouent les infections respiratoires ?\nComment l'exposition professionnelle affecte-t-elle l'asthme ?", "url": "https://questionsmedicales.fr/mesh/D001094?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une dysfonction de l'enzyme ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests sanguins peuvent mesurer les niveaux de leucotriènes et d'autres biomarqueurs." } }, { "@type": "Question", "name": "Quels examens sont utilisés pour évaluer l'inflammation ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "L'échographie, l'IRM et les tests de laboratoire peuvent aider à évaluer l'inflammation." } }, { "@type": "Question", "name": "Y a-t-il des tests génétiques pour l'arachidonate 5-lipoxygenase ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des tests génétiques peuvent identifier des mutations affectant l'enzyme, mais ils sont rares." } }, { "@type": "Question", "name": "Quels symptômes indiquent un problème avec cette enzyme ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme l'asthme, les allergies ou des maladies inflammatoires peuvent indiquer un problème." } }, { "@type": "Question", "name": "Comment évaluer l'activité de l'enzyme dans le corps ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des tests biochimiques mesurent l'activité de l'enzyme dans des échantillons de tissus ou de sang." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une surproduction de leucotriènes ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des crises d'asthme, des réactions allergiques et des inflammations chroniques." } }, { "@type": "Question", "name": "Comment l'inflammation se manifeste-t-elle ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "L'inflammation peut se manifester par des rougeurs, des douleurs, un gonflement et une chaleur locale." } }, { "@type": "Question", "name": "Y a-t-il des signes d'allergies liés à cette enzyme ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des démangeaisons, des éruptions cutanées et des difficultés respiratoires peuvent survenir." } }, { "@type": "Question", "name": "Quels symptômes sont associés à l'asthme ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent la toux, la respiration sifflante, l'essoufflement et la pression thoracique." } }, { "@type": "Question", "name": "Comment reconnaître une crise d'asthme ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Une crise d'asthme se manifeste par une respiration difficile, une toux persistante et une oppression thoracique." } }, { "@type": "Question", "name": "Comment prévenir les crises d'asthme ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les allergènes, utiliser des médicaments préventifs et suivre un plan d'action personnalisé." } }, { "@type": "Question", "name": "Y a-t-il des mesures diététiques à prendre ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en fruits, légumes et oméga-3 peut aider à réduire l'inflammation." } }, { "@type": "Question", "name": "Comment gérer le stress pour prévenir l'inflammation ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Des techniques de gestion du stress comme la méditation et le yoga peuvent réduire l'inflammation." } }, { "@type": "Question", "name": "Quels exercices sont bénéfiques pour les asthmatiques ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Des exercices modérés comme la marche ou la natation peuvent améliorer la fonction pulmonaire." } }, { "@type": "Question", "name": "Comment éviter les irritants environnementaux ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Évitez la fumée, la pollution et les produits chimiques irritants pour protéger vos voies respiratoires." } }, { "@type": "Question", "name": "Quels médicaments ciblent l'arachidonate 5-lipoxygenase ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les inhibiteurs de la lipoxygénase, comme le zileuton, sont utilisés pour traiter l'asthme." } }, { "@type": "Question", "name": "Comment les anti-inflammatoires aident-ils ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Ils réduisent l'inflammation en inhibant la production de leucotriènes et d'autres médiateurs." } }, { "@type": "Question", "name": "Y a-t-il des traitements naturels disponibles ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des acides gras oméga-3 et des antioxydants peuvent aider à moduler l'inflammation." } }, { "@type": "Question", "name": "Quels sont les effets des corticostéroïdes ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les corticostéroïdes réduisent l'inflammation et la réponse immunitaire, soulageant les symptômes." } }, { "@type": "Question", "name": "Comment les bronchodilatateurs agissent-ils ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Ils dilatent les voies respiratoires, facilitant la respiration et réduisant les symptômes d'asthme." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec l'asthme ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des infections respiratoires, des crises d'asthme sévères et des hospitalisations." } }, { "@type": "Question", "name": "Comment l'inflammation chronique affecte-t-elle la santé ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "L'inflammation chronique peut entraîner des maladies cardiovasculaires et des troubles métaboliques." } }, { "@type": "Question", "name": "Y a-t-il des risques de développement d'allergies ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une exposition prolongée à des allergènes peut augmenter le risque de développer des allergies." } }, { "@type": "Question", "name": "Quels sont les effets à long terme de l'asthme non contrôlé ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "L'asthme non contrôlé peut entraîner des dommages pulmonaires permanents et une qualité de vie réduite." } }, { "@type": "Question", "name": "Comment l'asthme peut-il affecter la vie quotidienne ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "L'asthme peut limiter les activités physiques, affecter le sommeil et entraîner des absences scolaires ou professionnelles." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque pour l'asthme ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents familiaux, l'exposition à des allergènes et la pollution sont des facteurs de risque." } }, { "@type": "Question", "name": "Comment le tabagisme influence-t-il l'asthme ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme aggrave les symptômes d'asthme et augmente le risque de complications respiratoires." } }, { "@type": "Question", "name": "Y a-t-il un lien entre l'obésité et l'asthme ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'obésité est un facteur de risque qui peut aggraver les symptômes et la gravité de l'asthme." } }, { "@type": "Question", "name": "Quels rôles jouent les infections respiratoires ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Les infections respiratoires peuvent déclencher des crises d'asthme et aggraver l'inflammation." } }, { "@type": "Question", "name": "Comment l'exposition professionnelle affecte-t-elle l'asthme ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition à des irritants ou allergènes au travail peut augmenter le risque d'asthme professionnel." } } ] } ] }

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...