Titre : Défaillance hépatique

Défaillance hépatique : Questions médicales fréquentes

Termes MeSH sélectionnés :

Diffusion Tensor Imaging
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Défaillance hépatique : Questions médicales les plus fréquentes", "headline": "Défaillance hépatique : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Défaillance hépatique : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-07-04", "dateModified": "2025-03-31", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Défaillance hépatique" }, "suggestedMinAge": 18, "suggestedGender": "unisex" }, { "@type": "MedicalAudience", "name": "Médecins", "audienceType": "Physician", "geographicArea": { "@type": "AdministrativeArea", "name": "France" } }, { "@type": "MedicalAudience", "name": "Chercheurs", "audienceType": "Researcher", "geographicArea": { "@type": "AdministrativeArea", "name": "International" } } ], "reviewedBy": { "@type": "Person", "name": "Dr Olivier Menir", "jobTitle": "Expert en Médecine", "description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale", "url": "/static/pages/docteur-olivier-menir.html", "alumniOf": { "@type": "EducationalOrganization", "name": "Université Paris Descartes" } }, "isPartOf": { "@type": "MedicalWebPage", "name": "Insuffisance hépatique", "url": "https://questionsmedicales.fr/mesh/D048550", "about": { "@type": "MedicalCondition", "name": "Insuffisance hépatique", "code": { "@type": "MedicalCode", "code": "D048550", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "C06.552.308" } } }, "hasPart": [ { "@type": "MedicalWebPage", "name": "Maladie du foie en phase terminale", "alternateName": "End Stage Liver Disease", "url": "https://questionsmedicales.fr/mesh/D058625", "about": { "@type": "MedicalCondition", "name": "Maladie du foie en phase terminale", "code": { "@type": "MedicalCode", "code": "D058625", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "C06.552.308.500.177" } } }, { "@type": "MedicalWebPage", "name": "Défaillance hépatique aigüe", "alternateName": "Liver Failure, Acute", "url": "https://questionsmedicales.fr/mesh/D017114", "about": { "@type": "MedicalCondition", "name": "Défaillance hépatique aigüe", "code": { "@type": "MedicalCode", "code": "D017114", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "C06.552.308.500.750" } }, "hasPart": [ { "@type": "MedicalWebPage", "name": "Insuffisance hépatique aigüe sur chronique", "alternateName": "Acute-On-Chronic Liver Failure", "url": "https://questionsmedicales.fr/mesh/D065290", "about": { "@type": "MedicalCondition", "name": "Insuffisance hépatique aigüe sur chronique", "code": { "@type": "MedicalCode", "code": "D065290", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "C06.552.308.500.750.249" } } }, { "@type": "MedicalWebPage", "name": "Nécrose hépatique massive", "alternateName": "Massive Hepatic Necrosis", "url": "https://questionsmedicales.fr/mesh/D047508", "about": { "@type": "MedicalCondition", "name": "Nécrose hépatique massive", "code": { "@type": "MedicalCode", "code": "D047508", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "C06.552.308.500.750.500" } } } ] } ], "about": { "@type": "MedicalCondition", "name": "Défaillance hépatique", "alternateName": "Liver Failure", "code": { "@type": "MedicalCode", "code": "D017093", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "William Bernal", "url": "https://questionsmedicales.fr/author/William%20Bernal", "affiliation": { "@type": "Organization", "name": "" } }, { "@type": "Person", "name": "None None", "url": "https://questionsmedicales.fr/author/None%20None", "affiliation": { "@type": "Organization", "name": "" } }, { "@type": "Person", "name": "Anand V Kulkarni", "url": "https://questionsmedicales.fr/author/Anand%20V%20Kulkarni", "affiliation": { "@type": "Organization", "name": "Department of Hepatology, Asian Institute of Gastroenterology, Hyderabad, India." } }, { "@type": "Person", "name": "William M Lee", "url": "https://questionsmedicales.fr/author/William%20M%20Lee", "affiliation": { "@type": "Organization", "name": "Digestive and Liver Diseases Division, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA. Electronic address: william.lee@utsouthwestern.edu." } }, { "@type": "Person", "name": "Constantine J Karvellas", "url": "https://questionsmedicales.fr/author/Constantine%20J%20Karvellas", "affiliation": { "@type": "Organization", "name": "Division of Gastroenterology (Liver Unit), Division of Critical Care Medicine, University of Alberta, Edmonton, Alberta, Canada." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "Advanced muscle imaging in adolescent elite rowers utilizing diffusion tensor imaging: Association of imaging findings with stroke typology.", "datePublished": "2023-11-29", "url": "https://questionsmedicales.fr/article/38019893", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1371/journal.pone.0294693" } }, { "@type": "ScholarlyArticle", "name": "Evaluating the renal mild tubulointerstitial damage and renal function in IgAN patients: a comparative study based on diffusion kurtosis imaging and diffusion tensor imaging.", "datePublished": "2023-02-07", "url": "https://questionsmedicales.fr/article/36749369", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1007/s00261-023-03822-3" } }, { "@type": "ScholarlyArticle", "name": "Role of diffusion tensor imaging in neurological prognostication in spinal tuberculosis - A prospective pilot study.", "datePublished": "2022-09-30", "url": "https://questionsmedicales.fr/article/36279624", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.ejrad.2022.110530" } }, { "@type": "ScholarlyArticle", "name": "Diffusion Tensor Imaging in Boys With Adrenoleukodystrophy: Identification of Cerebral Disease and Association With Neurocognitive Outcomes.", "datePublished": "2024-08-16", "url": "https://questionsmedicales.fr/article/39151102", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1212/WNL.0000000000209764" } }, { "@type": "ScholarlyArticle", "name": "A systematic review of repeatability and reproducibility studies of diffusion tensor imaging of cervical spinal cord.", "datePublished": "2023-10-03", "url": "https://questionsmedicales.fr/article/37751162", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1259/bjr.20221019" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Maladies de l'appareil digestif", "item": "https://questionsmedicales.fr/mesh/D004066" }, { "@type": "ListItem", "position": 3, "name": "Maladies du foie", "item": "https://questionsmedicales.fr/mesh/D008107" }, { "@type": "ListItem", "position": 4, "name": "Insuffisance hépatique", "item": "https://questionsmedicales.fr/mesh/D048550" }, { "@type": "ListItem", "position": 5, "name": "Défaillance hépatique", "item": "https://questionsmedicales.fr/mesh/D017093" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Défaillance hépatique - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Défaillance hépatique", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-17", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Défaillance hépatique", "description": "Comment diagnostiquer une défaillance hépatique ?\nQuels tests sont utilisés pour évaluer le foie ?\nQuels signes cliniques indiquent une défaillance hépatique ?\nL'échographie est-elle utile pour le diagnostic ?\nQuand faut-il envisager une biopsie hépatique ?", "url": "https://questionsmedicales.fr/mesh/D017093?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Défaillance hépatique", "description": "Quels sont les symptômes courants de la défaillance hépatique ?\nLa confusion mentale est-elle un symptôme ?\nComment l'ascite se manifeste-t-elle ?\nLes saignements sont-ils fréquents ?\nLes démangeaisons sont-elles liées à la défaillance hépatique ?", "url": "https://questionsmedicales.fr/mesh/D017093?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Défaillance hépatique", "description": "Comment prévenir la défaillance hépatique ?\nL'alimentation joue-t-elle un rôle ?\nLes vaccinations sont-elles importantes ?\nComment éviter les toxines ?\nLe contrôle du poids est-il crucial ?", "url": "https://questionsmedicales.fr/mesh/D017093?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Défaillance hépatique", "description": "Quels traitements sont disponibles pour la défaillance hépatique ?\nLes médicaments peuvent-ils aider ?\nQuand envisager une transplantation hépatique ?\nY a-t-il des traitements pour l'ascite ?\nComment gérer la confusion mentale ?", "url": "https://questionsmedicales.fr/mesh/D017093?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Défaillance hépatique", "description": "Quelles sont les complications de la défaillance hépatique ?\nL'encéphalopathie hépatique est-elle grave ?\nComment l'hémorragie se produit-elle ?\nLes infections sont-elles fréquentes ?\nQu'est-ce que le syndrome hépatopulmonaire ?", "url": "https://questionsmedicales.fr/mesh/D017093?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Défaillance hépatique", "description": "Quels sont les principaux facteurs de risque ?\nL'hépatite C augmente-t-elle le risque ?\nLe diabète est-il un facteur de risque ?\nL'obésité influence-t-elle la santé du foie ?\nLes médicaments peuvent-ils être un risque ?", "url": "https://questionsmedicales.fr/mesh/D017093?mesh_terms=Diffusion+Tensor+Imaging&page=4#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une défaillance hépatique ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic repose sur des tests sanguins, des examens d'imagerie et l'évaluation des symptômes." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer le foie ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests incluent les transaminases, la bilirubine et l'albumine dans le sang." } }, { "@type": "Question", "name": "Quels signes cliniques indiquent une défaillance hépatique ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent l'ictère, l'ascite, la confusion et la fatigue extrême." } }, { "@type": "Question", "name": "L'échographie est-elle utile pour le diagnostic ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'échographie aide à visualiser les anomalies du foie et à évaluer sa taille." } }, { "@type": "Question", "name": "Quand faut-il envisager une biopsie hépatique ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Une biopsie est envisagée si les tests ne déterminent pas la cause de la défaillance." } }, { "@type": "Question", "name": "Quels sont les symptômes courants de la défaillance hépatique ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent la jaunisse, la fatigue, des démangeaisons et des nausées." } }, { "@type": "Question", "name": "La confusion mentale est-elle un symptôme ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la confusion peut survenir en raison de l'accumulation de toxines dans le sang." } }, { "@type": "Question", "name": "Comment l'ascite se manifeste-t-elle ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "L'ascite se manifeste par un gonflement abdominal dû à l'accumulation de liquide." } }, { "@type": "Question", "name": "Les saignements sont-ils fréquents ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des saignements peuvent survenir en raison de la coagulation altérée." } }, { "@type": "Question", "name": "Les démangeaisons sont-elles liées à la défaillance hépatique ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les démangeaisons peuvent être causées par l'accumulation de sels biliaires dans le sang." } }, { "@type": "Question", "name": "Comment prévenir la défaillance hépatique ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La prévention inclut un mode de vie sain, l'évitement de l'alcool et la vaccination contre l'hépatite." } }, { "@type": "Question", "name": "L'alimentation joue-t-elle un rôle ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une alimentation équilibrée et riche en nutriments peut soutenir la santé du foie." } }, { "@type": "Question", "name": "Les vaccinations sont-elles importantes ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, se faire vacciner contre l'hépatite A et B peut prévenir des infections hépatiques." } }, { "@type": "Question", "name": "Comment éviter les toxines ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Évitez l'exposition aux produits chimiques nocifs et aux médicaments non prescrits." } }, { "@type": "Question", "name": "Le contrôle du poids est-il crucial ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, maintenir un poids santé réduit le risque de maladies hépatiques et de défaillance." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour la défaillance hépatique ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent la gestion des symptômes, les médicaments et, dans certains cas, la transplantation hépatique." } }, { "@type": "Question", "name": "Les médicaments peuvent-ils aider ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains médicaments peuvent traiter les causes sous-jacentes et soulager les symptômes." } }, { "@type": "Question", "name": "Quand envisager une transplantation hépatique ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La transplantation est envisagée lorsque le foie est gravement endommagé et ne peut pas récupérer." } }, { "@type": "Question", "name": "Y a-t-il des traitements pour l'ascite ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des diurétiques et des procédures de drainage peuvent être utilisés pour traiter l'ascite." } }, { "@type": "Question", "name": "Comment gérer la confusion mentale ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "La gestion inclut l'élimination des toxines et le traitement des causes sous-jacentes." } }, { "@type": "Question", "name": "Quelles sont les complications de la défaillance hépatique ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent l'encéphalopathie, l'hémorragie et l'infection." } }, { "@type": "Question", "name": "L'encéphalopathie hépatique est-elle grave ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut entraîner des troubles neurologiques sévères et nécessite une attention médicale." } }, { "@type": "Question", "name": "Comment l'hémorragie se produit-elle ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "L'hémorragie peut survenir en raison de la coagulation altérée et de la rupture de varices." } }, { "@type": "Question", "name": "Les infections sont-elles fréquentes ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les patients peuvent développer des infections en raison d'une immunité affaiblie." } }, { "@type": "Question", "name": "Qu'est-ce que le syndrome hépatopulmonaire ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "C'est une complication rare où le foie affecte la fonction pulmonaire, entraînant des difficultés respiratoires." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'alcoolisme, l'hépatite virale, l'obésité et l'exposition à des toxines." } }, { "@type": "Question", "name": "L'hépatite C augmente-t-elle le risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'hépatite C est un facteur de risque majeur pour le développement de la défaillance hépatique." } }, { "@type": "Question", "name": "Le diabète est-il un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le diabète peut augmenter le risque de maladies hépatiques et de défaillance hépatique." } }, { "@type": "Question", "name": "L'obésité influence-t-elle la santé du foie ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'obésité est liée à la stéatose hépatique et à un risque accru de défaillance." } }, { "@type": "Question", "name": "Les médicaments peuvent-ils être un risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains médicaments peuvent endommager le foie et augmenter le risque de défaillance." } } ] } ] }

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...