Titre : Leptospirose

Leptospirose : Questions médicales fréquentes

Termes MeSH sélectionnés :

Diffusion Tensor Imaging
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"https://questionsmedicales.fr/mesh/D007922?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Leptospirose", "description": "Quels sont les symptômes de la leptospirose ?\nLa leptospirose cause-t-elle des douleurs abdominales ?\nLes symptômes apparaissent-ils rapidement ?\nY a-t-il des symptômes graves ?\nLa leptospirose provoque-t-elle de la toux ?", "url": "https://questionsmedicales.fr/mesh/D007922?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Leptospirose", "description": "Comment prévenir la leptospirose ?\nLes vaccins existent-ils pour la leptospirose ?\nFaut-il éviter certaines activités ?\nComment gérer les animaux de compagnie ?\nLes mesures d'hygiène aident-elles ?", "url": "https://questionsmedicales.fr/mesh/D007922?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Leptospirose", "description": "Quel est le traitement de la leptospirose ?\nLes antibiotiques sont-ils efficaces ?\nFaut-il hospitaliser un patient ?\nY a-t-il des traitements alternatifs ?\nCombien de temps dure le traitement ?", "url": "https://questionsmedicales.fr/mesh/D007922?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Leptospirose", "description": "Quelles sont les complications de la leptospirose ?\nLa leptospirose peut-elle être mortelle ?\nComment prévenir les complications ?\nLes complications surviennent-elles souvent ?\nY a-t-il des séquelles après la maladie ?", "url": "https://questionsmedicales.fr/mesh/D007922?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Leptospirose", "description": "Qui est à risque de leptospirose ?\nLes randonneurs sont-ils à risque ?\nLes enfants sont-ils plus vulnérables ?\nLes travailleurs agricoles sont-ils à risque ?\nLes personnes immunodéprimées sont-elles plus à risque ?", "url": "https://questionsmedicales.fr/mesh/D007922?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer la leptospirose ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic repose sur des tests sérologiques et culturels pour détecter Leptospira." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour la leptospirose ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests ELISA et PCR sont couramment utilisés pour confirmer l'infection." } }, { "@type": "Question", "name": "Quand faire un test de leptospirose ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Un test doit être effectué si des symptômes apparaissent après une exposition potentielle." } }, { "@type": "Question", "name": "Les tests sanguins sont-ils fiables ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les tests sanguins peuvent détecter des anticorps contre Leptospira avec précision." } }, { "@type": "Question", "name": "Peut-on diagnostiquer la leptospirose par des symptômes ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent indiquer une leptospirose, mais un test est nécessaire pour confirmer." } }, { "@type": "Question", "name": "Quels sont les symptômes de la leptospirose ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fièvre, maux de tête, douleurs musculaires et éruptions cutanées." } }, { "@type": "Question", "name": "La leptospirose cause-t-elle des douleurs abdominales ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des douleurs abdominales peuvent survenir, souvent accompagnées de nausées." } }, { "@type": "Question", "name": "Les symptômes apparaissent-ils rapidement ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent apparaître 5 à 14 jours après l'exposition à la bactérie." } }, { "@type": "Question", "name": "Y a-t-il des symptômes graves ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des complications comme la jaunisse et l'insuffisance rénale peuvent survenir." } }, { "@type": "Question", "name": "La leptospirose provoque-t-elle de la toux ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "La toux n'est pas un symptôme courant, mais peut survenir dans des cas graves." } }, { "@type": "Question", "name": "Comment prévenir la leptospirose ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Évitez l'exposition à l'eau contaminée et portez des vêtements de protection." } }, { "@type": "Question", "name": "Les vaccins existent-ils pour la leptospirose ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des vaccins sont disponibles pour les animaux, mais pas pour les humains." } }, { "@type": "Question", "name": "Faut-il éviter certaines activités ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, évitez la baignade dans des eaux stagnantes, surtout après des inondations." } }, { "@type": "Question", "name": "Comment gérer les animaux de compagnie ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Vaccinez vos animaux de compagnie et évitez leur contact avec des eaux potentiellement contaminées." } }, { "@type": "Question", "name": "Les mesures d'hygiène aident-elles ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, maintenir une bonne hygiène et désinfecter les surfaces peut réduire le risque." } }, { "@type": "Question", "name": "Quel est le traitement de la leptospirose ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement principal est l'administration d'antibiotiques comme la doxycycline." } }, { "@type": "Question", "name": "Les antibiotiques sont-ils efficaces ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les antibiotiques sont très efficaces s'ils sont administrés tôt dans l'infection." } }, { "@type": "Question", "name": "Faut-il hospitaliser un patient ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "L'hospitalisation peut être nécessaire pour les cas graves nécessitant des soins intensifs." } }, { "@type": "Question", "name": "Y a-t-il des traitements alternatifs ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements alternatifs ne sont pas recommandés; les antibiotiques sont essentiels." } }, { "@type": "Question", "name": "Combien de temps dure le traitement ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement antibiotique dure généralement de 5 à 7 jours selon la gravité de l'infection." } }, { "@type": "Question", "name": "Quelles sont les complications de la leptospirose ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent l'insuffisance rénale, la jaunisse et des hémorragies." } }, { "@type": "Question", "name": "La leptospirose peut-elle être mortelle ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, dans les cas graves, la leptospirose peut entraîner la mort sans traitement approprié." } }, { "@type": "Question", "name": "Comment prévenir les complications ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un diagnostic précoce et un traitement rapide sont essentiels pour prévenir les complications." } }, { "@type": "Question", "name": "Les complications surviennent-elles souvent ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les complications surviennent dans environ 10% des cas, surtout sans traitement." } }, { "@type": "Question", "name": "Y a-t-il des séquelles après la maladie ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Certaines personnes peuvent avoir des séquelles, comme des douleurs articulaires persistantes." } }, { "@type": "Question", "name": "Qui est à risque de leptospirose ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les personnes travaillant en milieu rural ou en contact avec des animaux sont à risque." } }, { "@type": "Question", "name": "Les randonneurs sont-ils à risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les randonneurs peuvent être exposés à des eaux contaminées lors de leurs activités." } }, { "@type": "Question", "name": "Les enfants sont-ils plus vulnérables ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les enfants peuvent être plus vulnérables en raison de leur comportement exploratoire." } }, { "@type": "Question", "name": "Les travailleurs agricoles sont-ils à risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les travailleurs agricoles sont souvent exposés à des conditions favorables à la leptospirose." } }, { "@type": "Question", "name": "Les personnes immunodéprimées sont-elles plus à risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes immunodéprimées courent un risque accru de développer des formes graves." } } ] } ] }

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...