Titre : Température du corps

Température du corps : Questions médicales fréquentes

Termes MeSH sélectionnés :

Brain Ischemia
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hypothermie ?\nQuels tests pour évaluer la fièvre ?", "url": "https://questionsmedicales.fr/mesh/D001831?mesh_terms=Brain+Ischemia&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Température du corps", "description": "Quels sont les symptômes d'une fièvre ?\nComment reconnaître l'hypothermie ?\nQuels symptômes accompagnent l'hyperthermie ?\nLa température affecte-t-elle le rythme cardiaque ?\nQuels signes indiquent une infection ?", "url": "https://questionsmedicales.fr/mesh/D001831?mesh_terms=Brain+Ischemia&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Température du corps", "description": "Comment prévenir l'hyperthermie ?\nQuelles sont les mesures contre l'hypothermie ?\nComment éviter les infections liées à la fièvre ?\nQuels vaccins pour prévenir la fièvre ?\nComment se préparer à des conditions climatiques extrêmes ?", "url": 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"@type": "Answer", "text": "La température normale varie entre 36,1°C et 37,2°C selon les individus et les moments de la journée." } }, { "@type": "Question", "name": "Quand parle-t-on d'hyperthermie ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "L'hyperthermie est définie par une température corporelle supérieure à 38°C." } }, { "@type": "Question", "name": "Qu'est-ce qu'une hypothermie ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'hypothermie se produit lorsque la température corporelle descend en dessous de 35°C." } }, { "@type": "Question", "name": "Quels tests pour évaluer la fièvre ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des tests sanguins, cultures et examens d'imagerie peuvent être réalisés pour identifier la cause." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une fièvre ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent frissons, transpiration, fatigue, et parfois des douleurs corporelles." } }, { "@type": "Question", "name": "Comment reconnaître l'hypothermie ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent frissons, confusion, fatigue extrême et peau froide au toucher." } }, { "@type": "Question", "name": "Quels symptômes accompagnent l'hyperthermie ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent inclure des maux de tête, des nausées, et une confusion mentale." } }, { "@type": "Question", "name": "La température affecte-t-elle le rythme cardiaque ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une température élevée peut augmenter le rythme cardiaque et la pression artérielle." } }, { "@type": "Question", "name": "Quels signes indiquent une infection ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Fièvre, frissons, fatigue, et douleurs peuvent indiquer une infection sous-jacente." } }, { "@type": "Question", "name": "Comment prévenir l'hyperthermie ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Évitez les activités intenses par temps chaud et hydratez-vous régulièrement." } }, { "@type": "Question", "name": "Quelles sont les mesures contre l'hypothermie ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Portez des vêtements appropriés et évitez l'exposition prolongée au froid." } }, { "@type": "Question", "name": "Comment éviter les infections liées à la fièvre ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Lavez-vous les mains régulièrement et évitez les contacts avec des personnes malades." } }, { "@type": "Question", "name": "Quels vaccins pour prévenir la fièvre ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Les vaccins contre la grippe et d'autres infections peuvent aider à prévenir la fièvre." } }, { "@type": "Question", "name": "Comment se préparer à des conditions climatiques extrêmes ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Renseignez-vous sur les prévisions météorologiques et préparez des provisions adéquates." } }, { "@type": "Question", "name": "Comment traiter une fièvre légère ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des antipyrétiques comme le paracétamol peuvent être utilisés pour réduire la fièvre." } }, { "@type": "Question", "name": "Quels traitements pour l'hypothermie ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Réchauffer progressivement le corps avec des couvertures et des boissons chaudes est essentiel." } }, { "@type": "Question", "name": "Quand consulter pour une hyperthermie ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Consultez un médecin si la température dépasse 39°C ou si des symptômes graves apparaissent." } }, { "@type": "Question", "name": "Quels médicaments pour la fièvre ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Le paracétamol et l'ibuprofène sont couramment utilisés pour traiter la fièvre." } }, { "@type": "Question", "name": "Comment gérer la chaleur excessive ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Rester hydraté, se reposer et éviter l'exposition au soleil sont des mesures préventives." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec la fièvre ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des convulsions fébriles, déshydratation et complications cardiaques peuvent survenir." } }, { "@type": "Question", "name": "Quels risques liés à l'hypothermie prolongée ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "L'hypothermie peut entraîner des lésions tissulaires, des arythmies cardiaques et la mort." } }, { "@type": "Question", "name": "Comment l'hyperthermie affecte-t-elle le cerveau ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Une hyperthermie sévère peut provoquer des lésions cérébrales et des troubles neurologiques." } }, { "@type": "Question", "name": "Quelles sont les complications de la déshydratation ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "La déshydratation peut entraîner des problèmes rénaux, des déséquilibres électrolytiques et des chocs." } }, { "@type": "Question", "name": "Quels effets à long terme d'une fièvre élevée ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des fièvres prolongées peuvent causer des dommages organiques et des troubles cognitifs." } }, { "@type": "Question", "name": "Qui est à risque d'hyperthermie ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les personnes âgées, les enfants et celles avec des maladies chroniques sont plus à risque." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'hypothermie ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition au froid, l'humidité et des vêtements inappropriés augmentent le risque." } }, { "@type": "Question", "name": "Les maladies chroniques influencent-elles la température ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies comme le diabète ou les maladies cardiaques peuvent affecter la régulation thermique." } }, { "@type": "Question", "name": "Comment l'âge affecte-t-il la température corporelle ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Les nourrissons et les personnes âgées ont une régulation thermique moins efficace." } }, { "@type": "Question", "name": "Le stress influence-t-il la température corporelle ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut provoquer des variations de la température corporelle en raison de l'adrénaline." } } ] } ] }

Sources (10000 au total)

Pulsed Electromagnetic Fields Protect Against Brain Ischemia by Modulating the Astrocytic Cholinergic Anti-inflammatory Pathway.

Neuroinflammation is one of the most important pathological processes following brain ischemia. Pulsed electromagnetic fields (PEMFs) protect against brain ischemia, but their role in regulating neuro...

Activated neutrophil-derived exosomes contribute to blood-brain barrier damage and hemorrhagic transformation after cerebral ischemia/reperfusion.

Hemorrhagic transformation (HT) caused by blood-brain barrier (BBB) damage is closely correlated with the poor prognosis of ischemic stroke. Neutrophils are proven to mediate BBB injury after ischemic... A tMCAO-HT model was constructed to assess neutrophil infiltration and its co-localization with brain microvascular endothelial cells (BMEC). After using quiet (Q-Neu) and activated neutrophil (A-Neu)... Different degrees of cerebral hemorrhage were observed in the tMCAO-HT model. The expression of the neutrophil marker Ly6G was significantly increased in tMCAO-HT model compared to the sham group, and... Neutrophils are abnormally recruited in HT after ischemic stroke, and are associated with cerebral hemorrhage. In vitro, A-Neu-derived exosomes facilitate BBB injury, which may be accomplished by exos...

Brain-targeted heptapeptide-loaded exosomes attenuated ischemia-reperfusion injury by promoting the transfer of healthy mitochondria from astrocytes to neurons.

The exchange of mitochondria reportedly plays an important role in cell-cell communication in the central nervous system (CNS). The transfer of fragmented and dysfunctional astrocytic mitochondria int... In this study, we prepared macrophage-derived exosomes laden with heptapeptide (Hep) as a dynamin-related protein-1 (Drp1)-fission 1 (Fis1) peptide inhibitor P110 to alleviate cerebral ischemia-reperf... The results demonstrated that Hep-loaded macrophage-derived exosomes (EXO-Hep) reduced mitochondrial damage in astrocytes by inhibiting the Drp1/Fis1 interaction after ischemia-reperfusion, ensuring t... EXO-Hep significantly mitigated ischemic injury in a model of transient middle cerebral artery occlusion (tMCAO) by reducing the infarct area and improving neurological performance during the process ...

Whole-brain CT Perfusion at Admission and During Delayed Time-window Detects the Delayed Cerebral Ischemia in Patients with Aneurysmal Subarachnoid Hemorrhage.

To evaluate the utility of computed tomography perfusion (CTP) both at admission and during delayed cerebral ischemia time-window (DCITW) in the detection of delayed cerebral ischemia (DCI) and the ch... Eighty patients underwent CTP at admission and during DCITW. The mean and extreme values of all CTP parameters at admission and during DCITW were compared between the DCI group and non-DCI group, and ... With the exception of cerebral blood volume (P=0.295, admission; P=0.682, DCITW), there were significant differences in the mean quantitative CTP parameters between DCI and non-DCI patients both at ad... Whole-brain CTP can predict the occurrence of DCI at admission and diagnose DCI during DCITW. The extreme quantitative parameters and qualitative color-coded perfusion maps can better reflect the perf...

Leucine-Rich Alpha-2-Glycoprotein 1 is a Systemic Biomarker of Early Brain Injury and Delayed Cerebral Ischemia After Subarachnoid Hemorrhage.

After subarachnoid hemorrhage (SAH), early brain injury (EBI) and delayed cerebral ischemia (DCI) lead to poor outcomes. Discovery of biomarkers indicative of disease severity and predictive of DCI is... We performed untargeted proteomics using mass spectrometry in plasma samples collected at < 48 h of SAH in two independent discovery cohorts (n = 27 and n = 45) and identified LRG1 as a biomarker for ... Untargeted proteomics revealed higher plasma LRG1 levels across EBI severity and DCI in both discovery cohorts. In the validation cohort, the levels of LRG1 were higher in the DCI group compared with ... Plasma LRG1 is a biomarker for EBI, DCI, and functional outcomes after SAH. Further studies to elucidate the role of LRG1 in the pathophysiology of SAH are needed....

Higher Levels of Admission N-Terminal Pro-brain Natriuretic Peptide are Associated with Delayed Cerebral Ischemia Following Aneurysmal Subarachnoid Hemorrhage.

Delayed cerebral ischemia (DCI) greatly influences the prognosis of patients with aneurysmal subarachnoid hemorrhage (aSAH). We aimed to determine whether higher levels of admission N-terminal pro-bra... We retrospectively reviewed consecutive patients with aSAH between January 2018 and April 2021 in our department. Patients with admission NT-pro BNP were included for analysis. The associations betwee... A total of 415 patients with aSAH were included, among whom DCI occurred in 53 (12.8%). The admission NT-pro BNP levels were positively correlated with the cardiac troponin T levels and were significa... Higher admission levels of NT-pro BNP correlated with neurogenic cardiac injury and predicted the occurrence of DCI in patients with aSAH. A combination of the modified Fisher scale and admission NT-p...