Titre : Endotoxines

Endotoxines : Questions médicales fréquentes

Termes MeSH sélectionnés :

Platelet Transfusion
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"fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Endotoxines", "description": "Comment diagnostiquer une intoxication par endotoxines ?\nQuels tests sont utilisés pour détecter les endotoxines ?\nQuels signes cliniques indiquent une exposition aux endotoxines ?\nLes endotoxines peuvent-elles être détectées dans le sang ?\nQuel rôle joue la culture bactérienne dans le diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D004731?mesh_terms=Platelet+Transfusion&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Endotoxines", "description": "Quels sont les symptômes d'une intoxication par endotoxines ?\nComment les endotoxines affectent-elles le système immunitaire ?\nLes endotoxines causent-elles des douleurs ?\nQuels signes indiquent un choc septique dû aux endotoxines ?\nLes symptômes varient-ils selon l'exposition ?", "url": "https://questionsmedicales.fr/mesh/D004731?mesh_terms=Platelet+Transfusion&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Endotoxines", "description": "Comment prévenir l'exposition aux endotoxines ?\nLes vaccins peuvent-ils prévenir les infections à endotoxines ?\nQuelles mesures de sécurité en laboratoire sont nécessaires ?\nLes antibiotiques préventifs sont-ils efficaces ?\nComment réduire le risque d'infections nosocomiales ?", "url": "https://questionsmedicales.fr/mesh/D004731?mesh_terms=Platelet+Transfusion&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Endotoxines", "description": "Quel est le traitement principal pour une intoxication par endotoxines ?\nLes corticostéroïdes sont-ils efficaces contre les endotoxines ?\nComment traiter le choc septique causé par des endotoxines ?\nLes antidotes existent-ils pour les endotoxines ?\nQuelle est l'importance de la prise en charge précoce ?", "url": "https://questionsmedicales.fr/mesh/D004731?mesh_terms=Platelet+Transfusion&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Endotoxines", "description": "Quelles sont les complications possibles d'une intoxication par endotoxines ?\nComment les endotoxines affectent-elles les organes ?\nLe syndrome de détresse respiratoire est-il lié aux endotoxines ?\nLes endotoxines peuvent-elles causer des dommages neurologiques ?\nQuel est le pronostic après une exposition aux endotoxines ?", "url": "https://questionsmedicales.fr/mesh/D004731?mesh_terms=Platelet+Transfusion&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Endotoxines", "description": "Quels sont les principaux facteurs de risque d'intoxication par endotoxines ?\nLes infections bactériennes augmentent-elles le risque d'endotoxines ?\nLes interventions chirurgicales augmentent-elles le risque ?\nLe diabète est-il un facteur de risque pour les endotoxines ?\nLes conditions de vie insalubres augmentent-elles le risque ?", "url": "https://questionsmedicales.fr/mesh/D004731?mesh_terms=Platelet+Transfusion&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une intoxication par endotoxines ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic repose sur des tests sanguins, cultures et évaluation clinique." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour détecter les endotoxines ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Le test de limule et les tests ELISA sont couramment utilisés." } }, { "@type": "Question", "name": "Quels signes cliniques indiquent une exposition aux endotoxines ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Fièvre, frissons, hypotension et tachycardie sont des signes fréquents." } }, { "@type": "Question", "name": "Les endotoxines peuvent-elles être détectées dans le sang ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des tests spécifiques peuvent détecter les endotoxines dans le sang." } }, { "@type": "Question", "name": "Quel rôle joue la culture bactérienne dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet d'identifier la source bactérienne des endotoxines." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une intoxication par endotoxines ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fièvre, frissons, douleurs abdominales et confusion." } }, { "@type": "Question", "name": "Comment les endotoxines affectent-elles le système immunitaire ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elles provoquent une réponse inflammatoire excessive, pouvant mener à un choc." } }, { "@type": "Question", "name": "Les endotoxines causent-elles des douleurs ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent provoquer des douleurs abdominales et musculaires." } }, { "@type": "Question", "name": "Quels signes indiquent un choc septique dû aux endotoxines ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Hypotension, tachycardie, confusion et peau froide sont des signes clés." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon l'exposition ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'intensité des symptômes dépend de la dose et de la durée d'exposition." } }, { "@type": "Question", "name": "Comment prévenir l'exposition aux endotoxines ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les environnements contaminés et respecter les protocoles d'hygiène." } }, { "@type": "Question", "name": "Les vaccins peuvent-ils prévenir les infections à endotoxines ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de vaccin spécifique contre les endotoxines, mais contre certaines bactéries." } }, { "@type": "Question", "name": "Quelles mesures de sécurité en laboratoire sont nécessaires ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des équipements de protection individuelle et des procédures de désinfection." } }, { "@type": "Question", "name": "Les antibiotiques préventifs sont-ils efficaces ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent être utilisés dans certains cas à risque, mais pas systématiquement." } }, { "@type": "Question", "name": "Comment réduire le risque d'infections nosocomiales ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Améliorer l'hygiène hospitalière et le contrôle des infections est essentiel." } }, { "@type": "Question", "name": "Quel est le traitement principal pour une intoxication par endotoxines ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut des antibiotiques et des soins de soutien pour stabiliser le patient." } }, { "@type": "Question", "name": "Les corticostéroïdes sont-ils efficaces contre les endotoxines ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent réduire l'inflammation, mais leur utilisation est controversée." } }, { "@type": "Question", "name": "Comment traiter le choc septique causé par des endotoxines ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement nécessite des fluides intraveineux et des vasopresseurs." } }, { "@type": "Question", "name": "Les antidotes existent-ils pour les endotoxines ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas d'antidote spécifique, le traitement est symptomatique." } }, { "@type": "Question", "name": "Quelle est l'importance de la prise en charge précoce ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Une prise en charge rapide améliore les chances de survie et réduit les complications." } }, { "@type": "Question", "name": "Quelles sont les complications possibles d'une intoxication par endotoxines ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent le choc septique, l'insuffisance organique et la mort." } }, { "@type": "Question", "name": "Comment les endotoxines affectent-elles les organes ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent provoquer une défaillance multi-organique en raison de l'inflammation." } }, { "@type": "Question", "name": "Le syndrome de détresse respiratoire est-il lié aux endotoxines ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'inflammation pulmonaire peut entraîner un syndrome de détresse respiratoire." } }, { "@type": "Question", "name": "Les endotoxines peuvent-elles causer des dommages neurologiques ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent provoquer des troubles neurologiques en raison de l'inflammation systémique." } }, { "@type": "Question", "name": "Quel est le pronostic après une exposition aux endotoxines ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Le pronostic dépend de la rapidité du traitement et de la gravité de l'exposition." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque d'intoxication par endotoxines ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les patients immunodéprimés, les personnes âgées et les hospitalisés sont à risque." } }, { "@type": "Question", "name": "Les infections bactériennes augmentent-elles le risque d'endotoxines ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les infections par des bactéries Gram-négatives sont un facteur de risque majeur." } }, { "@type": "Question", "name": "Les interventions chirurgicales augmentent-elles le risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les interventions chirurgicales peuvent exposer à des endotoxines, surtout en cas d'infection." } }, { "@type": "Question", "name": "Le diabète est-il un facteur de risque pour les endotoxines ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le diabète peut affaiblir le système immunitaire et augmenter le risque d'infections." } }, { "@type": "Question", "name": "Les conditions de vie insalubres augmentent-elles le risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles favorisent la prolifération bactérienne et l'exposition aux endotoxines." } } ] } ] }

Sources (7103 au total)

Platelet transfusions and predictors of bleeding in patients with myelodysplastic syndromes.

This study aimed to describe the burden of thrombocytopenia, supportive care practices, bleeding complications and predictors of bleeding in MDS patients within a large Australian hospital network, to... A retrospective cohort study of patients aged ≥18 years with MDS, chronic myelomonocytic leukaemia or MDS/myeloproliferative overlap neoplasm admitted from 2016 to 2018 was conducted. Data were obtain... One hundred seventy-nine patients (median age 78 years, 61.5% male) were identified. The median platelet count at first admission was 90 × 10... Thrombocytopenia is common in MDS. Although guidelines recommend otherwise, prophylactic platelet transfusions were commonly used for severe thrombocytopenia. Despite the majority of patients receivin...

The appropriateness of platelet transfusions in hematological patients and the potential for improvement.

Hematology patients are intensive platelet users. In clinical practice, a substantial proportion of platelet (PLT) transfusions are routinely administered outside the guidelines despite compelling evi... The audit of all PLT orders for adult hematological inpatients was conducted over 2 months. The assessment was performed using guidelines for PLT transfusion. Patient demographic, clinical, and transf... Based on 286 PLT orders, 344 PCs were transfused to 67 patients: 235 (82.2%) prophylactical due to low PLT count, 34 (11.9%) preprocedural and 17 (5.9%) therapeutic. Overall, 105 (36.77%) PLT transfus... Our audit of PLT transfusion practice found a large proportion of inappropriate PLT transfusions. Based on the most common deviations from the guidelines a variety of targeted measures for improvement...

Evaluation of the Association of Platelet Count, Mean Platelet Volume, and Platelet Transfusion With Intraventricular Hemorrhage and Death Among Preterm Infants.

Platelet transfusion is commonly performed in infants to correct severe thrombocytopenia or prevent bleeding. Exploring the associations of platelet transfusion, platelet count (PC), and mean platelet... To evaluate the associations of platelet transfusion, PC, and MPV with IVH and in-hospital mortality and to explore whether platelet transfusion-associated IVH and mortality risks vary with PC and MPV... This retrospective cohort study included preterm infants who were transferred to the neonatal intensive care unit on their day of birth and received ventilation during their hospital stay. The study w... Platelet transfusion, PC, and MPV.... Any grade IVH, severe IVH (grade 3 or 4), and in-hospital mortality.... Among the 1221 preterm infants (731 [59.9%] male; median [IQR] gestational age, 31.0 [29.0-33.0] weeks), 94 (7.7%) received 166 platelet transfusions. After adjustment for potential confounders, plate... In preterm infants, platelet transfusion, PC, and MPV were associated with mortality, and PC was also associated with any grade IVH and severe IVH. The findings suggest that a lower platelet transfusi...

Immunologic effects of red blood cell and platelet transfusions in neonates.

Premature neonates are frequently transfused red blood cells (RBCs) or platelets to raise hemoglobin or platelet counts. However, these transfusions may have unintended effects on the immune system. T... Neonatal RBC transfusions are associated with increases in plasma pro-inflammatory cytokines, but recent findings suggest sex-specific differential responses. At least one cytokine (monocyte chemoattr... RBC and platelet transfusions alter neonatal immune and inflammatory responses. Their pro-inflammatory effects might worsen neonatal disease or affect neurodevelopmental outcomes....

Thromboelastography in guiding preventive platelet transfusion in patients with haematologic diseases.

This study analysed the relationships between the main thromboelastography (TEG) parameters, the platelet (PLT) count and clinical bleeding in patients with blood diseases. We explored the threshold o... In total, 268 patients with clear diagnoses of blood diseases and thrombocytopenia were enrolled and divided into five groups, A, B, C, D and E, corresponding to PLT counts of 0-10 × 10... The maximum amplitude (MA) in groups A, B and C increased gradually, with a significant difference between each pair of these groups (P < 0.05). In groups A, B, C, D and E, the corresponding MA at the... The MA can be used as a reference indicator for preventive PLT transfusion to a certain extent. When the PLT count is within different ranges, the MA threshold for preventive PLT transfusion also diff...

Platelet transfusion in critical care: A new method to analyze transfusion practice based on decision time intervals.

While prior studies of platelet transfusion in critical care have focused on transfusions given, proper analysis of clinical transfusion practice also requires consideration of the decision not to tra... We introduce a new method to assess transfusion practice based on decision time intervals (DTIs). Each patient's intensive care (ICU) stay was segmented into a series of DTIs defined by a time interva... Among 6125 ICU patients treated between October 2016 and October 2021, we analyzed 39,745 DTIs among patients (n = 2921) who had at least one DTI with thrombocytopenia (≤150,000/μL). We found no assoc... DTI analysis represents a new method to assess transfusion practice that considers both transfusions given and not given, and that analyzes clinical circumstances present when decisions regarding tran...

A meta-analysis of risk factors associated with platelet transfusion refractoriness.

Platelet transfusion refractoriness (PTR) remains an intractable issue in clinical practice, and is common in hematological patients. At present, it is believed that both immune and non-immune factors... PubMed, Embase, Cochrane library, and Web of Science were selected as research database platforms. Citations included were further assessed for quality and bias using the Newcastle-Ottawa Scale. All a... The preliminary search revealed 1069 publications, and 17 (5929 patients in total) were ultimately included in the quantitative analysis. The following variables were associated with the occurrence of... We identified some important risk factors for PTR, but further research is needed to identify the many other possible elements that may contribute to or mediate PTR....