Titre : Tryptophane

Tryptophane : Questions médicales fréquentes

Termes MeSH sélectionnés :

Methicillin-Resistant Staphylococcus aureus
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tryptophane ?\nQuels tests sont utilisés pour évaluer le métabolisme du tryptophane ?\nQuels symptômes indiquent un déficit en tryptophane ?\nLe tryptophane peut-il être mesuré dans l'urine ?\nQuels sont les marqueurs biologiques du tryptophane ?", "url": "https://questionsmedicales.fr/mesh/D014364?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Tryptophane", "description": "Quels sont les symptômes d'une carence en tryptophane ?\nLe tryptophane affecte-t-il l'humeur ?\nComment le tryptophane influence-t-il le sommeil ?\nDes troubles de l'appétit peuvent-ils être liés au tryptophane ?\nLe tryptophane peut-il causer des maux de tête ?", "url": "https://questionsmedicales.fr/mesh/D014364?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Tryptophane", "description": 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Tryptophane", "description": "Quelles complications peuvent survenir avec une carence en tryptophane ?\nUne surconsommation de tryptophane peut-elle être dangereuse ?\nLe tryptophane peut-il interagir avec d'autres médicaments ?\nQuels risques psychologiques sont associés à un faible tryptophane ?\nLe tryptophane peut-il affecter la santé cardiovasculaire ?", "url": "https://questionsmedicales.fr/mesh/D014364?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Tryptophane", "description": "Quels facteurs augmentent le risque de carence en tryptophane ?\nLes personnes âgées sont-elles à risque pour le tryptophane ?\nLe stress chronique influence-t-il le tryptophane ?\nLes troubles alimentaires affectent-ils le tryptophane ?\nLes régimes végétaliens présentent-ils un risque pour le tryptophane ?", "url": "https://questionsmedicales.fr/mesh/D014364?mesh_terms=Methicillin-Resistant+Staphylococcus+aureus&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une carence en tryptophane ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un diagnostic peut être établi par des analyses sanguines mesurant les niveaux de tryptophane." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer le métabolisme du tryptophane ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de métabolisme des acides aminés et des dosages de sérotonine peuvent être effectués." } }, { "@type": "Question", "name": "Quels symptômes indiquent un déficit en tryptophane ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme l'anxiété, l'insomnie et la dépression peuvent indiquer un déficit." } }, { "@type": "Question", "name": "Le tryptophane peut-il être mesuré dans l'urine ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tryptophane peut être mesuré dans l'urine pour évaluer son excrétion." } }, { "@type": "Question", "name": "Quels sont les marqueurs biologiques du tryptophane ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Les niveaux de tryptophane et de sérotonine dans le sang sont des marqueurs clés." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une carence en tryptophane ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fatigue, irritabilité, troubles du sommeil et dépression." } }, { "@type": "Question", "name": "Le tryptophane affecte-t-il l'humeur ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tryptophane est un précurseur de la sérotonine, influençant l'humeur." } }, { "@type": "Question", "name": "Comment le tryptophane influence-t-il le sommeil ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Il favorise la production de mélatonine, régulant ainsi le cycle du sommeil." } }, { "@type": "Question", "name": "Des troubles de l'appétit peuvent-ils être liés au tryptophane ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une carence peut entraîner des troubles de l'appétit et des envies alimentaires." } }, { "@type": "Question", "name": "Le tryptophane peut-il causer des maux de tête ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Une carence en tryptophane peut contribuer à des maux de tête liés à l'anxiété." } }, { "@type": "Question", "name": "Comment prévenir une carence en tryptophane ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée incluant des protéines peut prévenir une carence en tryptophane." } }, { "@type": "Question", "name": "Les régimes végétariens sont-ils à risque pour le tryptophane ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les régimes végétariens peuvent être à risque s'ils manquent de sources de protéines complètes." } }, { "@type": "Question", "name": "Quels conseils nutritionnels pour le tryptophane ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Inclure des aliments comme les légumineuses, les graines et les produits laitiers dans l'alimentation." } }, { "@type": "Question", "name": "Le stress affecte-t-il le niveau de tryptophane ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut réduire la disponibilité du tryptophane dans le corps." } }, { "@type": "Question", "name": "Les suppléments préventifs de tryptophane sont-ils recommandés ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent être recommandés, mais il est préférable de consulter un professionnel de santé." } }, { "@type": "Question", "name": "Comment traiter une carence en tryptophane ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut des suppléments de tryptophane et une alimentation riche en protéines." } }, { "@type": "Question", "name": "Les antidépresseurs affectent-ils le tryptophane ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains antidépresseurs augmentent la disponibilité du tryptophane dans le cerveau." } }, { "@type": "Question", "name": "Quels aliments sont riches en tryptophane ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Les aliments comme la dinde, le chocolat, les noix et les produits laitiers sont riches en tryptophane." } }, { "@type": "Question", "name": "Les suppléments de tryptophane sont-ils sûrs ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "En général, ils sont sûrs, mais il est conseillé de consulter un médecin avant de commencer." } }, { "@type": "Question", "name": "Le tryptophane peut-il être utilisé pour l'anxiété ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, il peut aider à réduire l'anxiété en augmentant les niveaux de sérotonine." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une carence en tryptophane ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des troubles de l'humeur, des problèmes de sommeil et des troubles alimentaires." } }, { "@type": "Question", "name": "Une surconsommation de tryptophane peut-elle être dangereuse ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une surconsommation peut entraîner des effets secondaires comme des nausées et des vertiges." } }, { "@type": "Question", "name": "Le tryptophane peut-il interagir avec d'autres médicaments ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, il peut interagir avec certains antidépresseurs et médicaments pour le sommeil." } }, { "@type": "Question", "name": "Quels risques psychologiques sont associés à un faible tryptophane ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Un faible niveau de tryptophane peut augmenter le risque de dépression et d'anxiété." } }, { "@type": "Question", "name": "Le tryptophane peut-il affecter la santé cardiovasculaire ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des niveaux déséquilibrés de tryptophane peuvent influencer la santé cardiovasculaire." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de carence en tryptophane ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les régimes pauvres en protéines, le stress et certaines maladies peuvent augmenter le risque." } }, { "@type": "Question", "name": "Les personnes âgées sont-elles à risque pour le tryptophane ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées peuvent avoir un risque accru de carence en raison de l'alimentation." } }, { "@type": "Question", "name": "Le stress chronique influence-t-il le tryptophane ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut diminuer les niveaux de tryptophane dans le corps." } }, { "@type": "Question", "name": "Les troubles alimentaires affectent-ils le tryptophane ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les troubles alimentaires peuvent entraîner une carence en tryptophane." } }, { "@type": "Question", "name": "Les régimes végétaliens présentent-ils un risque pour le tryptophane ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les régimes végétaliens peuvent manquer de sources adéquates de tryptophane." } } ] } ] }

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...