Titre : Déshydratation

Déshydratation : Questions médicales fréquentes

Termes MeSH sélectionnés :

Diffusion Tensor Imaging
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"description": "Comment diagnostiquer la déshydratation ?\nQuels tests sont utilisés pour évaluer la déshydratation ?\nQuels signes cliniques indiquent une déshydratation ?\nLa déshydratation peut-elle être confondue avec d'autres conditions ?\nQuel rôle joue l'hydratation dans le diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D003681?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Déshydratation", "description": "Quels sont les symptômes courants de la déshydratation ?\nLa déshydratation peut-elle provoquer des crampes ?\nComment la déshydratation affecte-t-elle la cognition ?\nQuels signes indiquent une déshydratation sévère ?\nLes enfants présentent-ils des symptômes différents ?", "url": "https://questionsmedicales.fr/mesh/D003681?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Déshydratation", "description": "Comment prévenir la déshydratation ?\nLes personnes âgées sont-elles plus à risque ?\nQuels aliments aident à prévenir la déshydratation ?\nComment la chaleur affecte-t-elle l'hydratation ?\nLes sportifs doivent-ils s'hydrater différemment ?", "url": "https://questionsmedicales.fr/mesh/D003681?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Déshydratation", "description": "Quel est le traitement principal de la déshydratation ?\nQuand utiliser une réhydratation intraveineuse ?\nQuels liquides sont recommandés pour la réhydratation ?\nLes médicaments sont-ils nécessaires pour traiter la déshydratation ?\nComment surveiller l'efficacité du traitement ?", "url": "https://questionsmedicales.fr/mesh/D003681?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Déshydratation", "description": "Quelles sont les complications de la déshydratation ?\nLa déshydratation peut-elle entraîner des problèmes cardiaques ?\nQuels sont les risques de déshydratation chez les enfants ?\nComment la déshydratation affecte-t-elle le système immunitaire ?\nLa déshydratation peut-elle causer des lésions cérébrales ?", "url": "https://questionsmedicales.fr/mesh/D003681?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Déshydratation", "description": "Quels sont les principaux facteurs de risque de déshydratation ?\nLes personnes atteintes de diabète sont-elles à risque ?\nLes voyages en altitude augmentent-ils le risque ?\nLes maladies gastro-intestinales sont-elles un facteur de risque ?\nLes médicaments diurétiques augmentent-ils le risque ?", "url": "https://questionsmedicales.fr/mesh/D003681?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer la déshydratation ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic repose sur l'examen clinique, l'historique médical et des tests sanguins." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer la déshydratation ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests sanguins, des analyses d'urine et des mesures de poids peuvent être effectués." } }, { "@type": "Question", "name": "Quels signes cliniques indiquent une déshydratation ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent la soif intense, la sécheresse de la peau et des muqueuses, et la fatigue." } }, { "@type": "Question", "name": "La déshydratation peut-elle être confondue avec d'autres conditions ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut être confondue avec des infections ou des troubles métaboliques." } }, { "@type": "Question", "name": "Quel rôle joue l'hydratation dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'hydratation est essentielle pour évaluer l'état général et la gravité de la déshydratation." } }, { "@type": "Question", "name": "Quels sont les symptômes courants de la déshydratation ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent soif, fatigue, vertiges, sécheresse de la peau et urine foncée." } }, { "@type": "Question", "name": "La déshydratation peut-elle provoquer des crampes ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la déshydratation peut entraîner des crampes musculaires dues à des déséquilibres électrolytiques." } }, { "@type": "Question", "name": "Comment la déshydratation affecte-t-elle la cognition ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut provoquer des troubles de la concentration, de la mémoire et de l'humeur." } }, { "@type": "Question", "name": "Quels signes indiquent une déshydratation sévère ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent confusion, rythme cardiaque rapide, et absence de transpiration." } }, { "@type": "Question", "name": "Les enfants présentent-ils des symptômes différents ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, chez les enfants, les symptômes peuvent inclure irritabilité et pleurs sans larmes." } }, { "@type": "Question", "name": "Comment prévenir la déshydratation ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Il est essentiel de boire suffisamment d'eau, surtout par temps chaud ou lors d'exercices." } }, { "@type": "Question", "name": "Les personnes âgées sont-elles plus à risque ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées ont un risque accru de déshydratation en raison de la diminution de la sensation de soif." } }, { "@type": "Question", "name": "Quels aliments aident à prévenir la déshydratation ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Les fruits et légumes riches en eau, comme la pastèque et le concombre, sont bénéfiques." } }, { "@type": "Question", "name": "Comment la chaleur affecte-t-elle l'hydratation ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "La chaleur augmente la transpiration, ce qui peut entraîner une perte de liquides et de sels." } }, { "@type": "Question", "name": "Les sportifs doivent-ils s'hydrater différemment ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les sportifs doivent boire plus d'eau et des boissons électrolytiques pendant l'exercice." } }, { "@type": "Question", "name": "Quel est le traitement principal de la déshydratation ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement principal consiste à réhydrater le patient par voie orale ou intraveineuse." } }, { "@type": "Question", "name": "Quand utiliser une réhydratation intraveineuse ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Elle est utilisée en cas de déshydratation sévère ou lorsque l'hydratation orale est impossible." } }, { "@type": "Question", "name": "Quels liquides sont recommandés pour la réhydratation ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Les solutions électrolytiques, l'eau et les boissons isotoniques sont recommandées." } }, { "@type": "Question", "name": "Les médicaments sont-ils nécessaires pour traiter la déshydratation ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Généralement, les médicaments ne sont pas nécessaires, sauf en cas de complications sous-jacentes." } }, { "@type": "Question", "name": "Comment surveiller l'efficacité du traitement ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "L'efficacité se surveille par l'amélioration des symptômes et des tests de laboratoire." } }, { "@type": "Question", "name": "Quelles sont les complications de la déshydratation ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des troubles rénaux, des déséquilibres électrolytiques et des chocs." } }, { "@type": "Question", "name": "La déshydratation peut-elle entraîner des problèmes cardiaques ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut provoquer des arythmies cardiaques dues à des déséquilibres électrolytiques." } }, { "@type": "Question", "name": "Quels sont les risques de déshydratation chez les enfants ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les enfants peuvent développer des complications graves, comme des convulsions ou un choc." } }, { "@type": "Question", "name": "Comment la déshydratation affecte-t-elle le système immunitaire ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut affaiblir le système immunitaire, rendant l'organisme plus vulnérable aux infections." } }, { "@type": "Question", "name": "La déshydratation peut-elle causer des lésions cérébrales ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une déshydratation sévère peut entraîner des lésions cérébrales irréversibles." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque de déshydratation ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les principaux facteurs incluent la chaleur, l'exercice intense, et certaines maladies." } }, { "@type": "Question", "name": "Les personnes atteintes de diabète sont-elles à risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes diabétiques peuvent être plus sujettes à la déshydratation en raison de la polyurie." } }, { "@type": "Question", "name": "Les voyages en altitude augmentent-ils le risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'altitude peut entraîner une déshydratation accrue en raison de l'air sec et de la respiration rapide." } }, { "@type": "Question", "name": "Les maladies gastro-intestinales sont-elles un facteur de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les vomissements et la diarrhée peuvent entraîner une perte de liquides importante." } }, { "@type": "Question", "name": "Les médicaments diurétiques augmentent-ils le risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les diurétiques peuvent provoquer une perte accrue de liquides et d'électrolytes." } } ] } ] }

Sources (10000 au total)

Advanced muscle imaging in adolescent elite rowers utilizing diffusion tensor imaging: Association of imaging findings with stroke typology.

Muscular overuse injuries are a common health issue in elite athletes. Changes in the muscular microenvironment can be depicted by Diffusion Tensor Imaging (DTI). We hypothesize that the biomechanics ... Twenty-two male elite rowers (12 sweep, 10 scull rowers) with a mean age of 15.8 ± 1.2 years underwent 3-Tesla MRI of the lumbar spine 6 hours after cessation of training. Apparent diffusion coefficie... ADC values in the erector spinae and multifidus muscle were significantly higher (p = 0.039) and FA values significantly lower (p < 0.001) in sweep rowers compared to scull rowers. There was no signif... Our DTI results show that lumbar spine muscle diffusivity is higher in sweep rowers than in scull rowers. Altered muscle diffusivity is suggestive of microscopic tissue disruption and might be attribu...

Evaluating the renal mild tubulointerstitial damage and renal function in IgAN patients: a comparative study based on diffusion kurtosis imaging and diffusion tensor imaging.

To compare the performance of 3.0 T magnetic resonance diffusion kurtosis imaging (DKI) and diffusion tensor imaging (DTI) in evaluation of the degree of tubulointerstitial damage and renal function i... Both DKI and DTI were performed in 40 IgAN patients and 17 healthy volunteers. IgAN patients were divided into two groups according to tubulointerstitial lesion score: Mild injury group, n = 24; Moder... Cortical MK, Kr, Da and parenchymal Ka significantly differed among three groups (P < 0.05). Cortical MK, Kr, Ka were negatively correlated with estimated glomerular filtration rate (eGFR) (MK: r = - ... Compared with DTI, DKI was more sensitive and accurate to probe the renal function and the tubulointerstitial damage of IgAN, especially the mild tubulointerstitial damage....

Role of diffusion tensor imaging in neurological prognostication in spinal tuberculosis - A prospective pilot study.

The current study aims to explore the correlation between the Diffusion Tensor Imaging (DTI) indices and neurological status of individuals with TB spine with neurological deficit (TBSND). Further, fa... The current study included 51 individuals with TBSND undergoing posterior instrumentation and posterolateral decompression. All individuals underwent DTI scanning at the site of compression and at a n... The FA values at the compressed segment were significantly lower while the ADC values were significantly higher when compared with the non-compressed levels. Pre-operative motor and total neurological... Higher FA indices along with lower age constitute independent predictors for faster neurological recovery following decompression. FA values correlate with the neurological status of individuals with ...

Diffusion Tensor Imaging in Boys With Adrenoleukodystrophy: Identification of Cerebral Disease and Association With Neurocognitive Outcomes.

Childhood cerebral adrenoleukodystrophy (C-ALD) is a severe inflammatory demyelinating disease that must be treated at an early stage to prevent permanent brain injury and neurocognitive decline. In s... In this retrospective cohort study, we analyzed high-resolution anatomical MRI, DTI, and neurocognitive assessments from boys with C-ALD undergoing HCT at the University of Minnesota between 2011 and ... Among patients with NL-ALD (n = 14), stable or increasing FA, stable AD, and stable or decreasing RD and MD were generally observed during the 1-year study period across all ROIs. In comparison, patie... DTI was sensitive to lesion presence and severity as well as clinical neurocognitive effects of C-ALD. DTI metrics quantify C-ALD even at an early stage....

A systematic review of repeatability and reproducibility studies of diffusion tensor imaging of cervical spinal cord.

Diffusion tensor imaging (DTI) techniques are being studied as a possible diagnostic and predictive tool for the evaluation of cervical spinal cord disease. This systematic review aims to evaluate the... A search in the PubMed, Scopus, Web of Science and Ovid electronic databases was conducted for articles published between January 1990 and February 2022 that related to the repeatability and reproduci... A total of 11 studies were included and assessed for different characteristics, including sample size,(3-34) re-test time interval (<1 h to >3 months), test-retest reproducibility scores and acquisiti... This study revealed that the application of DTI and its related measures in a clinical setting in the assessment of cervical spinal cord changes is feasible and reproducible. However, cervical spinal ... DTI with its parametric maps provide broad evaluation of the tissue structure of axonal white matter and are being studied as a possible diagnostic and predictive tool for the assessment of cervical s...

Reproducibility of automated calculation technique for diffusion tensor image analysis along the perivascular space.

The method of diffusion tensor image analysis along the perivascular space (DTI-ALPS) was gathering attention to evaluate the brain's glymphatic function or interstitial fluid dynamics. However, to th... This study included 23 participants, including 2 with Alzheimer's disease, 15 with mild cognitive impairment, and 6 with cognitive normals. Scan and rescan data of diffusion magnetic resonance images ... The absolute difference in ALPS-index values between scan and rescan was larger in the ALPS index than in the vALPS index by approximately 0.6% as the relative difference. Cohen's d for the left and r... The vALPS index based on DTI-ALPS maintaining tensor vector orientation information has higher reproducibility than the ALPS index. This result encourages a multisite study on the ALPS index with a la...

The comparison of diffusion tensor imaging in human hearts between 1.5 T and 3.0 T.

The aim was to compare the diffusion tensor imaging (DTI) indices derived from human hearts between 1.5 T and 3.0 T scanners. Additionally, the reproducibility of DTI indices was assessed between 1.5 ... A total of 18 ex-vivo hearts were derived from patients who underwent heart transplantation. The DTI schemes were performed at 1.5 T and 3.0 T, respectively. Then, the same slices from each ex-vivo he... No significant differences (all P > 0.05) were found in the DTI indices between 1.5 T and 3.0 T scanners. Interestingly, the ICC of all DTI indices was relatively lower with a low b-value. The reprodu... The DTI indices of ex-vivo human hearts between 1.5 T and 3.0 T scanners had no significant differences. The consistency of DTI indices needed caution using a low b-value with different field strength...

A diffusion tensor imaging study in schizophrenia patients with clozapine induced obsessive compulsive symptoms.

The aim of this study was to evaluate brain connectivity by diffusion tensor imaging (DTI) in schizophrenia patients with clozapine-induced obsessive compulsive symptoms (OCS).... Eighteen schizophrenia patients, nine of which had clozapine-induced OCS (Clz-OCS (+)), 9 without OCS (Clz-OCS (-)) and 9 healthy controls were included. Psychopathology was evaluated with Positive an... Tract-Based Spatial Statistics based comparison of DTI revealed lower fractional anisotropy in the genu of corpus callosum (CC), right cingulum, left frontal white matter (WM) in the Clz-OCS (+) group... WM integrity in several pathways such as cortico-striato-thalamo-cortical circuitry and orbito-frontal tracts seems to be affected differently in patients with Clz-OCS (+). Different neuroplastic effe...

Diffusion tensor imaging studies on subjects with suicidal thoughts and behaviors: A descriptive literature review.

Globally, suicide represents the second leading cause of death in young people aged 15-29 years for both sexes, after traffic accidents. Suicide occurs not only in high-income countries, in high-incom... This review was conducted on studies focused on white matter alterations in people who have attempted or thought about suicide. We searched PubMed and Scopus databases and screened references of inclu... White matter alterations in suicidal behaviors were found in the prefrontal cortex, orbitofrontal cortex, internal capsule, corpus callosum, and default mode networks, which are critical cerebral area... White matter alteration in cerebral areas involving high cognitive process and emotional regulation to confer a heightened vulnerability for suicidal behavior. Suicide is a complex process ranging fro...

Utility of diffusion tensor imaging in differentiating benign from malignant hepatic focal lesions.

To assess the diagnostic accuracy of diffusion tensor imaging (DTI) in the characterization of hepatic focal lesions (HFLs) and compare it to diffusion-weighted imaging (DWI).... Prospective analysis was done for 49 patients (23 male and 26 female) with 74 HFLs who underwent dynamic MRI, DWI, and DTI. Apparent diffusion coefficient (ADC) values from DWI, fractional anisotropy ... The ADC, MD, and FA at cutoff values of ≤ 1.17 × 10... MD and FA of DTI are non-invasive, very good, and excellent discriminators superior to ADC measured by DWI for the differentiation of HFLs.... • The ADC, MD, and FA at cutoff values of ≤ 1.17 × 10...