Titre : Transmission synaptique

Transmission synaptique : Questions médicales fréquentes

Termes MeSH sélectionnés :

Reproducibility of Results
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Transmission synaptique : Questions médicales les plus fréquentes", "headline": "Transmission synaptique : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Transmission synaptique : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-05-29", "dateModified": "2025-02-23", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Transmission synaptique" }, "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": "Phénomènes physiologiques du système nerveux", "url": "https://questionsmedicales.fr/mesh/D009424", "about": { "@type": "MedicalCondition", "name": "Phénomènes physiologiques du système nerveux", "code": { "@type": "MedicalCode", "code": "D009424", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "G11.561" } } }, "hasPart": [ { "@type": "MedicalWebPage", "name": "Potentiels synaptiques", "alternateName": "Synaptic Potentials", "url": "https://questionsmedicales.fr/mesh/D055366", "about": { "@type": "MedicalCondition", "name": "Potentiels synaptiques", "code": { "@type": "MedicalCode", "code": "D055366", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "G11.561.830.750" } }, "hasPart": [ { "@type": "MedicalWebPage", "name": "Potentiels post-synaptiques excitateurs", "alternateName": "Excitatory Postsynaptic Potentials", "url": "https://questionsmedicales.fr/mesh/D019706", "about": { "@type": "MedicalCondition", "name": "Potentiels post-synaptiques excitateurs", "code": { "@type": "MedicalCode", "code": "D019706", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "G11.561.830.750.199" } } }, { "@type": "MedicalWebPage", "name": "Potentiels post-synaptiques inhibiteurs", "alternateName": "Inhibitory Postsynaptic Potentials", "url": "https://questionsmedicales.fr/mesh/D053444", "about": { "@type": "MedicalCondition", "name": "Potentiels post-synaptiques inhibiteurs", "code": { "@type": "MedicalCode", "code": "D053444", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "G11.561.830.750.400" } } }, { "@type": "MedicalWebPage", "name": "Potentiels post-synaptiques miniatures", "alternateName": "Miniature Postsynaptic Potentials", "url": "https://questionsmedicales.fr/mesh/D055369", "about": { "@type": "MedicalCondition", "name": "Potentiels post-synaptiques miniatures", "code": { "@type": "MedicalCode", "code": "D055369", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "G11.561.830.750.560" } } }, { "@type": "MedicalWebPage", "name": "Sommation des potentiels post-synaptiques", "alternateName": "Postsynaptic Potential Summation", "url": "https://questionsmedicales.fr/mesh/D059227", "about": { "@type": "MedicalCondition", "name": "Sommation des potentiels post-synaptiques", "code": { "@type": "MedicalCode", "code": "D059227", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "G11.561.830.750.780" } } } ] } ], "about": { "@type": "MedicalCondition", "name": "Transmission synaptique", "alternateName": "Synaptic Transmission", "code": { "@type": "MedicalCode", "code": "D009435", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "Dietmar Schmitz", "url": "https://questionsmedicales.fr/author/Dietmar%20Schmitz", "affiliation": { "@type": "Organization", "name": "Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany. dietmar.schmitz@charite.de." } }, { "@type": "Person", "name": "Christian Lüscher", "url": "https://questionsmedicales.fr/author/Christian%20L%C3%BCscher", "affiliation": { "@type": "Organization", "name": "Department of Basic Neurosciences, Medical Faculty, University of Geneva, CH-1211 Geneva, Switzerland. christian.luscher@unige.ch." } }, { "@type": "Person", "name": "James E Rothman", "url": "https://questionsmedicales.fr/author/James%20E%20Rothman", "affiliation": { "@type": "Organization", "name": "Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA." } }, { "@type": "Person", "name": "Kirill Grushin", "url": "https://questionsmedicales.fr/author/Kirill%20Grushin", "affiliation": { "@type": "Organization", "name": "Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA." } }, { "@type": "Person", "name": "Manindra Bera", "url": "https://questionsmedicales.fr/author/Manindra%20Bera", "affiliation": { "@type": "Organization", "name": "Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "Can MRI biomarkers for hearing loss in enlarged vestibular aqueduct be measured reproducibly?", "datePublished": "2023-05-10", "url": "https://questionsmedicales.fr/article/37162001", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1259/bjr.20220274" } }, { "@type": "ScholarlyArticle", "name": "Generative adversarial network with radiomic feature reproducibility analysis for computed tomography denoising.", "datePublished": "2023-04-20", "url": "https://questionsmedicales.fr/article/37116238", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.compbiomed.2023.106931" } }, { "@type": "ScholarlyArticle", "name": "Reproducibility of NIRS-derived mitochondrial oxidative capacity in highly active older adults.", "datePublished": "2023-03-28", "url": "https://questionsmedicales.fr/article/36965605", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.exger.2023.112156" } }, { "@type": "ScholarlyArticle", "name": "Reproducibility and validity of the Portuguese Edmonton Frail Scale version in cardiac surgery patients.", "datePublished": "2023-02-02", "url": "https://questionsmedicales.fr/article/36738965", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.repc.2022.03.009" } }, { "@type": "ScholarlyArticle", "name": "Myelin biomarkers in the healthy adult brain: Correlation, reproducibility, and the effect of fiber orientation.", "datePublished": "2022-12-13", "url": "https://questionsmedicales.fr/article/36511247", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1002/mrm.29552" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Phénomènes physiologiques de l'appareil locomoteur et du système nerveux", "item": "https://questionsmedicales.fr/mesh/D055687" }, { "@type": "ListItem", "position": 3, "name": "Phénomènes physiologiques du système nerveux", "item": "https://questionsmedicales.fr/mesh/D009424" }, { "@type": "ListItem", "position": 4, "name": "Transmission synaptique", "item": "https://questionsmedicales.fr/mesh/D009435" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Transmission synaptique - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Transmission synaptique", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-15", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Transmission synaptique", "description": "Comment diagnostiquer un dysfonctionnement synaptique ?\nQuels examens sont utilisés pour évaluer la transmission synaptique ?\nQuels symptômes indiquent un problème de transmission synaptique ?\nPeut-on mesurer la transmission synaptique directement ?\nQuels marqueurs biologiques sont associés à la transmission synaptique ?", "url": "https://questionsmedicales.fr/mesh/D009435?mesh_terms=Reproducibility+of+Results&page=10#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Transmission synaptique", "description": "Quels symptômes sont liés à une transmission synaptique altérée ?\nComment la dépression affecte-t-elle la transmission synaptique ?\nLes troubles de l'humeur sont-ils liés à la transmission synaptique ?\nQuels signes neurologiques peuvent indiquer un problème synaptique ?\nLa fatigue chronique est-elle liée à la transmission synaptique ?", "url": "https://questionsmedicales.fr/mesh/D009435?mesh_terms=Reproducibility+of+Results&page=10#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Transmission synaptique", "description": "Comment prévenir les troubles de la transmission synaptique ?\nLe stress affecte-t-il la transmission synaptique ?\nL'exercice physique influence-t-il la transmission synaptique ?\nLes habitudes de sommeil affectent-elles la transmission synaptique ?\nLa méditation peut-elle améliorer la transmission synaptique ?", "url": "https://questionsmedicales.fr/mesh/D009435?mesh_terms=Reproducibility+of+Results&page=10#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Transmission synaptique", "description": "Quels traitements existent pour améliorer la transmission synaptique ?\nLa thérapie cognitive peut-elle aider la transmission synaptique ?\nLes suppléments alimentaires influencent-ils la transmission synaptique ?\nComment la stimulation cérébrale affecte-t-elle la transmission synaptique ?\nLes thérapies comportementales aident-elles la transmission synaptique ?", "url": "https://questionsmedicales.fr/mesh/D009435?mesh_terms=Reproducibility+of+Results&page=10#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Transmission synaptique", "description": "Quelles complications peuvent résulter d'une transmission synaptique altérée ?\nLes maladies neurodégénératives affectent-elles la transmission synaptique ?\nComment les troubles de l'apprentissage sont-ils liés à la transmission synaptique ?\nLes troubles psychotiques sont-ils liés à la transmission synaptique ?\nLa schizophrénie affecte-t-elle la transmission synaptique ?", "url": "https://questionsmedicales.fr/mesh/D009435?mesh_terms=Reproducibility+of+Results&page=10#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Transmission synaptique", "description": "Quels facteurs de risque influencent la transmission synaptique ?\nL'alimentation joue-t-elle un rôle dans la transmission synaptique ?\nLe tabagisme affecte-t-il la transmission synaptique ?\nLes maladies chroniques influencent-elles la transmission synaptique ?\nLe manque d'activité physique est-il un facteur de risque ?", "url": "https://questionsmedicales.fr/mesh/D009435?mesh_terms=Reproducibility+of+Results&page=10#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer un dysfonctionnement synaptique ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests électrophysiologiques et des imageries cérébrales peuvent être utilisés." } }, { "@type": "Question", "name": "Quels examens sont utilisés pour évaluer la transmission synaptique ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM fonctionnelle et l'électroencéphalogramme (EEG) sont couramment utilisés." } }, { "@type": "Question", "name": "Quels symptômes indiquent un problème de transmission synaptique ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des troubles de la mémoire, des convulsions ou des changements de comportement peuvent survenir." } }, { "@type": "Question", "name": "Peut-on mesurer la transmission synaptique directement ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des techniques comme la microscopie à fluorescence permettent d'observer la transmission." } }, { "@type": "Question", "name": "Quels marqueurs biologiques sont associés à la transmission synaptique ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des protéines comme la synaptophysine peuvent servir de marqueurs pour la synapse." } }, { "@type": "Question", "name": "Quels symptômes sont liés à une transmission synaptique altérée ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes incluent des troubles cognitifs, des spasmes musculaires et des douleurs." } }, { "@type": "Question", "name": "Comment la dépression affecte-t-elle la transmission synaptique ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "La dépression peut réduire la plasticité synaptique, affectant la communication neuronale." } }, { "@type": "Question", "name": "Les troubles de l'humeur sont-ils liés à la transmission synaptique ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent provoquer des troubles de l'humeur." } }, { "@type": "Question", "name": "Quels signes neurologiques peuvent indiquer un problème synaptique ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des signes incluent des tremblements, des troubles de la coordination et des réflexes anormaux." } }, { "@type": "Question", "name": "La fatigue chronique est-elle liée à la transmission synaptique ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des anomalies dans la transmission synaptique peuvent contribuer à la fatigue chronique." } }, { "@type": "Question", "name": "Comment prévenir les troubles de la transmission synaptique ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, est essentiel." } }, { "@type": "Question", "name": "Le stress affecte-t-il la transmission synaptique ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut altérer la transmission synaptique et la plasticité." } }, { "@type": "Question", "name": "L'exercice physique influence-t-il la transmission synaptique ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exercice régulier favorise la santé neuronale et la transmission synaptique." } }, { "@type": "Question", "name": "Les habitudes de sommeil affectent-elles la transmission synaptique ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un sommeil de qualité est crucial pour la régénération synaptique et cognitive." } }, { "@type": "Question", "name": "La méditation peut-elle améliorer la transmission synaptique ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la méditation peut augmenter la plasticité synaptique et réduire le stress." } }, { "@type": "Question", "name": "Quels traitements existent pour améliorer la transmission synaptique ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme les antidépresseurs et les nootropiques peuvent être utilisés." } }, { "@type": "Question", "name": "La thérapie cognitive peut-elle aider la transmission synaptique ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut améliorer la plasticité synaptique et la fonction cognitive." } }, { "@type": "Question", "name": "Les suppléments alimentaires influencent-ils la transmission synaptique ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Certains suppléments comme les oméga-3 peuvent favoriser la santé synaptique." } }, { "@type": "Question", "name": "Comment la stimulation cérébrale affecte-t-elle la transmission synaptique ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "La stimulation cérébrale peut renforcer les connexions synaptiques et améliorer la fonction." } }, { "@type": "Question", "name": "Les thérapies comportementales aident-elles la transmission synaptique ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent améliorer les interactions neuronales et la plasticité synaptique." } }, { "@type": "Question", "name": "Quelles complications peuvent résulter d'une transmission synaptique altérée ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des troubles neurologiques, des troubles de l'humeur et des crises." } }, { "@type": "Question", "name": "Les maladies neurodégénératives affectent-elles la transmission synaptique ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies comme Alzheimer altèrent gravement la transmission synaptique." } }, { "@type": "Question", "name": "Comment les troubles de l'apprentissage sont-ils liés à la transmission synaptique ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Des anomalies dans la transmission synaptique peuvent entraîner des difficultés d'apprentissage." } }, { "@type": "Question", "name": "Les troubles psychotiques sont-ils liés à la transmission synaptique ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent contribuer aux troubles psychotiques." } }, { "@type": "Question", "name": "La schizophrénie affecte-t-elle la transmission synaptique ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la schizophrénie est associée à des dysfonctionnements dans la transmission synaptique." } }, { "@type": "Question", "name": "Quels facteurs de risque influencent la transmission synaptique ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des facteurs comme l'âge, le stress et la génétique peuvent influencer la transmission." } }, { "@type": "Question", "name": "L'alimentation joue-t-elle un rôle dans la transmission synaptique ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une alimentation riche en nutriments favorise une transmission synaptique saine." } }, { "@type": "Question", "name": "Le tabagisme affecte-t-il la transmission synaptique ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme peut altérer la fonction synaptique et augmenter le risque de troubles." } }, { "@type": "Question", "name": "Les maladies chroniques influencent-elles la transmission synaptique ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des maladies comme le diabète peuvent affecter la transmission synaptique." } }, { "@type": "Question", "name": "Le manque d'activité physique est-il un facteur de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'inactivité physique peut nuire à la santé synaptique et cognitive." } } ] } ] }

Sources (10000 au total)

Can MRI biomarkers for hearing loss in enlarged vestibular aqueduct be measured reproducibly?

Morphological features of an enlarged endolymphatic duct (ED) and sac (ES) are imaging biomarkers for genotype and hearing loss phenotype. We determine which biomarkers can be measured in a reproducib... A rater reproducibility study. Three consultant radiologists independently measured previously reported MRI ED & ES biomarkers (ED midpoint width, maximal ED diameter closest to the vestibule, ES leng... ES length, width and sac signal heterogeneity showed adequate reproducibility (ICC 95% confidence intervals 0.77-0.95, Gwet's AC for sac heterogeneity 0.64). When determining ED midpoint width, measur... Regarding MR imaging, the opinion of multiple expert raters should be sought when determining the presence of an enlarged ED defined by midpoint width. ED midpoint, ES length, width and signal heterog... We report which ED & ES biomarkers are reproducibly measured. Researchers can confidently utilise these specific biomarkers when modelling progressive hearing loss associated with enlarged vestibular ...

Generative adversarial network with radiomic feature reproducibility analysis for computed tomography denoising.

Most computed tomography (CT) denoising algorithms have been evaluated using image quality analysis (IQA) methods developed for natural image, which do not adequately capture the texture details in me... We introduced radiomic feature reproducibility analysis as an evaluation metric for a denoising algorithm. Also, we proposed a low-dose CT denoising method based on a generative adversarial network (G... Although the proposed model produced excellent results visually, the traditional image assessment metrics such as peak signal-to-noise ratio and structural similarity failed to show distinctive perfor... We demonstrated that the well-tuned GAN architecture outperforms the well-known CT denoising methods. Our study is the first to introduce radiomics reproducibility analysis as an evaluation metric for...

Reproducibility of NIRS-derived mitochondrial oxidative capacity in highly active older adults.

In-vivo techniques using near-infrared spectroscopy (NIRS) have been developed to assess skeletal muscle mitochondrial oxidative capacity. However, the test-retest and day-to-day reliability of NIRS-d... Twenty-four healthy individuals (19 M, 5F; aged 60 ± 4 years; maximal oxygen uptake (V̇O... NIRS-derived mitochondrial oxidative capacity was found to have good to excellent day-to-day reliability (Day 1 vs Day 2; coefficient of variation (CV) = 7.0 %; standard error of measurement (SEM) = 5... NIRS provides a reliable method for deriving a measure of VL mitochondrial oxidative capacity in highly active older adults and demonstrates a significant relationship with measures of whole-body aero...

Reproducibility and validity of the Portuguese Edmonton Frail Scale version in cardiac surgery patients.

Frailty is a multidimensional syndrome characterized by the loss of functional reserve, associated with higher mortality and less functional survival in cardiac surgery patients. The Edmonton Frail Sc... To assess the validity and reproducibility of the Portuguese version of the EFS.... Prospective observational study, in a sample of elective cardiac surgery patients. The Edmonton Frail Scale (EFS) translation and backtranslation were performed. Demographic and clinical data were col... The EFS Portuguese version revealed construct validity for frailty identification, as well as criterion validity for cognition and mood domains. Reproducibility was demonstrated, with k=0.62 (95% conf... The EFS Portuguese version is valid and reproducible for use, suiting pre-operative frailty screening in a cardiac surgery setting....

Myelin biomarkers in the healthy adult brain: Correlation, reproducibility, and the effect of fiber orientation.

We investigated the correlation, reproducibility, and effect of white matter fiber orientation for three myelin-sensitive MRI techniques: magnetization transfer ratio (MTR), inhomogeneous magnetizatio... We measured the three metrics in 17 white and three deep grey matter regions in 17 healthy adults at 3 T.... We found a strong correlation between ihMTR and MTR (r = 0.70, p < 0.001) and ihMTR and MWF (r = 0.79, p < 0.001), and a weaker correlation between MTR and MWF (r = 0.54, p < 0.001). The dynamic range... The strong correlation between ihMTR and MWF suggests that these techniques are measuring the same myelination; however, the larger dynamic range of MWF may provide more power to detect small differen...

Improving reproducibility and performance of radiomics in low-dose CT using cycle GANs.

As a means to extract biomarkers from medical imaging, radiomics has attracted increased attention from researchers. However, reproducibility and performance of radiomics in low-dose CT scans are stil... In this article, we investigate the possibility of denoising low-dose CTs using cycle generative adversarial networks (GANs) to improve radiomics reproducibility and performance based on unpaired data... Two cycle GANs were trained: (1) from paired data, by simulating low-dose CTs (i.e., introducing noise) from high-dose CTs and (2) from unpaired real low dose CTs. To accelerate convergence, during GA... The cycle GAN trained on simulated data improved concordance correlation coefficients (CCC) of radiomic features from 0.87 (95%CI, [0.833,0.901]) to 0.93 (95%CI, [0.916,0.949]) on simulated noise CT a... The results show that cycle GANs trained on both simulated and real data can improve radiomics' reproducibility and performance in low-dose CT and achieve similar results compared to CGANs and EDNs....

Reproducibility of pulmonary magnetic resonance angiography in adults with muco-obstructive pulmonary disease.

Recent studies support magnetic resonance angiography (MRA) as a diagnostic tool for pulmonary arterial disease.... To determine MRA image quality and reproducibility, and the dependence of MRA image quality and reproducibility on disease severity in patients with chronic obstructive pulmonary disease (COPD) and cy... Twenty patients with COPD (mean age 66.5 ± 8.9 years; FEV1% = 42.0 ± 13.3%) and 15 with CF (mean age 29.3 ± 9.3 years; FEV1% = 66.6 ± 15.8%) underwent morpho-functional chest magnetic resonance imagin... Subjective image quality was diagnostic for all MRA at MRI1 and MRI2 (mean score = 4.7 ± 0.6). CNR and SNR were 4 43.8 ± 8.7 and 50.5 ± 8.7, respectively. Neither image quality score nor CNR or SNR co... MRA achieved diagnostic quality in COPD and CF patients and was highly reproducible irrespective of disease severity. This supports MRA as a robust alternative to CT in patients with underlying muco-o...