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Acides aminés, peptides et protéines
Protéines
Protéines membranaires
Perforines
Hémolysines
Hémolysines : Questions médicales fréquentes
Termes MeSH sélectionnés :
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"name": "Diagnostic",
"headline": "Diagnostic sur Hémolysines",
"description": "Comment diagnostiquer une infection par hémolysines ?\nQuels tests sont utilisés pour détecter les hémolysines ?\nLes hémolysines sont-elles visibles sur une analyse sanguine ?\nQuels signes indiquent une hémolyse dans le sang ?\nPeut-on détecter les hémolysines par PCR ?",
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"@type": "Question",
"name": "Comment diagnostiquer une infection par hémolysines ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un diagnostic peut être établi par des tests sanguins et cultures bactériennes."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour détecter les hémolysines ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les tests d'hémolyse sur milieux de culture et les tests sérologiques sont courants."
}
},
{
"@type": "Question",
"name": "Les hémolysines sont-elles visibles sur une analyse sanguine ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles ne sont pas directement visibles, mais peuvent être détectées par des tests spécifiques."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une hémolyse dans le sang ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une augmentation de la bilirubine et une diminution des globules rouges peuvent indiquer une hémolyse."
}
},
{
"@type": "Question",
"name": "Peut-on détecter les hémolysines par PCR ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la PCR peut être utilisée pour détecter les gènes codant pour les hémolysines."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes d'une infection hémolytique ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent fièvre, fatigue, et signes d'anémie comme pâleur."
}
},
{
"@type": "Question",
"name": "Comment l'hémolyse affecte-t-elle le corps ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'hémolyse peut entraîner une anémie, une jaunisse et des douleurs abdominales."
}
},
{
"@type": "Question",
"name": "Y a-t-il des symptômes spécifiques aux hémolysines ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des douleurs lombaires et des urines foncées peuvent survenir en cas d'hémolyse."
}
},
{
"@type": "Question",
"name": "Les hémolysines provoquent-elles des réactions allergiques ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent provoquer des réactions immunitaires, mais pas des allergies classiques."
}
},
{
"@type": "Question",
"name": "Quels signes cliniques sont associés à l'hémolyse ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les signes incluent tachycardie, hypotension et signes de choc dans les cas graves."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infections par hémolysines ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir une bonne hygiène et se faire vacciner contre les bactéries responsables."
}
},
{
"@type": "Question",
"name": "Les personnes à risque doivent-elles prendre des précautions ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes immunodéprimées doivent éviter les contacts avec des sources d'infection."
}
},
{
"@type": "Question",
"name": "Les hémolysines peuvent-elles être évitées par l'alimentation ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée renforce le système immunitaire, mais ne prévient pas directement."
}
},
{
"@type": "Question",
"name": "Les mesures d'hygiène sont-elles suffisantes ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles sont essentielles, mais doivent être combinées avec la vaccination pour une protection optimale."
}
},
{
"@type": "Question",
"name": "Les voyages à l'étranger augmentent-ils le risque d'hémolyse ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains pays présentent un risque accru d'infections hémolytiques, surtout sans vaccination."
}
},
{
"@type": "Question",
"name": "Quel traitement est recommandé pour une infection hémolytique ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antibiotiques sont souvent prescrits pour traiter les infections causées par hémolysines."
}
},
{
"@type": "Question",
"name": "Comment traiter l'anémie causée par hémolyse ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des transfusions sanguines et des suppléments de fer peuvent être nécessaires."
}
},
{
"@type": "Question",
"name": "Les corticostéroïdes sont-ils efficaces contre l'hémolyse ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent réduire l'inflammation et la destruction des globules rouges."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements préventifs pour les hémolysines ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La vaccination contre certaines bactéries peut aider à prévenir les infections hémolytiques."
}
},
{
"@type": "Question",
"name": "Quand faut-il envisager une splénectomie ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une splénectomie peut être envisagée en cas d'hémolyse auto-immune sévère et réfractaire."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec l'hémolyse ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent l'anémie sévère, la jaunisse et des défaillances organiques."
}
},
{
"@type": "Question",
"name": "L'hémolyse peut-elle entraîner des problèmes rénaux ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'hémolyse peut provoquer une insuffisance rénale aiguë en raison de la libération de toxines."
}
},
{
"@type": "Question",
"name": "Y a-t-il un risque de choc hypovolémique ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une hémolyse massive peut entraîner un choc hypovolémique en raison de la perte de sang."
}
},
{
"@type": "Question",
"name": "Les complications neurologiques sont-elles possibles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications neurologiques peuvent survenir, notamment en cas d'anémie sévère prolongée."
}
},
{
"@type": "Question",
"name": "Comment gérer les complications liées à l'hémolyse ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion nécessite un traitement rapide des infections et un suivi médical régulier."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque d'hémolyse ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent des maladies auto-immunes, des infections et des antécédents transfusionnels."
}
},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles plus à risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes âgées ont un risque accru d'hémolyse en raison de la fragilité de leur système immunitaire."
}
},
{
"@type": "Question",
"name": "Les maladies génétiques augmentent-elles le risque d'hémolyse ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines maladies génétiques, comme la sphérocytose, augmentent le risque d'hémolyse."
}
},
{
"@type": "Question",
"name": "Le stress peut-il influencer l'hémolyse ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress peut affaiblir le système immunitaire, augmentant ainsi le risque d'infections hémolytiques."
}
},
{
"@type": "Question",
"name": "Les transfusions sanguines augmentent-elles le risque d'hémolyse ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des transfusions incompatibles peuvent provoquer une hémolyse aiguë."
}
}
]
}
]
}
Photoacoustic tomography (PAT) is a non-invasive, non-ionizing hybrid imaging modality that holds great potential for various biomedical applications and the incorporation with deep learning (DL) meth...
Hydrolase-catalyzed kinetic resolution is a well-established biocatalytic process. However, the computational tools that predict favorable enzyme scaffolds for separating a racemic substrate mixture a...
This study aimed to propose a deep learning (DL)-based framework for identifying the composition of thyroid nodules and assessing their malignancy risk....
We conducted a retrospective multicenter study using ultrasound images from four hospitals. Convolutional neural network (CNN) models were constructed to classify ultrasound images of thyroid nodules ...
The models had AUCs higher than 0.91 in the benign and malignant grading of solid thyroid nodules, with the Inception-ResNet AUC being the highest at 0.94. In the test set, the best algorithm for iden...
This research demonstrates that CNNs can assist thyroid nodule diagnosis and reduce the rate of unnecessary fine-needle aspiration (FNA)....
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• Thyroid solid nodules have a high probability of malignancy. • Our models can improve the differentiation between benign and malignant solid thyroid nodules. • The differential performance of one mo...
[This retracts the article DOI: 10.1155/2022/2823614.]....
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We developed a combined 3D-convolutional neural network (CNN) and transformer to estimate LVEF for diagnostic coronary angiograms of the left coronary artery (LCA). Two angiograms, left anterior obliq...
A collection of 18,809 angiograms from 17,346 patients from Mayo Clinic were included (mean age 67.29; 35% women). Each patient appeared only in the training (70%), validation (10%), or testing set (2...
A novel DL algorithm demonstrated rapid and accurate assessment of LVEF from routine coronary angiography. The algorithm can be used to support clinical decision-making and form the foundation for fut...
The Anatomical Therapeutic Chemical (ATC) classification system, designated by the World Health Organization Collaborating Center (WHOCC), has been widely used in drug screening, repositioning, and si...
Recent research suggests that image quality degradation with reduced radiation exposure in mammography can be mitigated by postprocessing mammograms with denoising algorithms based on convolutional ne...
An existing denoiser model (that was previously trained on clinical data) was applied to mammograms of an anthropomorphic physical phantom with hydroxyapatite microcalcifications. In addition, another...
In both physical phantom/clinical system and simulation studies, we saw no apparent improvement in small microcalcification signal detection in denoised half-dose mammograms. However, in a Monte Carlo...
Our findings conjecture that deep-learning denoising algorithms may benefit from enriching training datasets with SP ROIs, at least in cases with clusters of 5 to 10 microcalcifications, each of size...
[This retracts the article DOI: 10.1155/2022/8599894.]....
Following autosomal dominant polycystic kidney disease (ADPKD) progression by measuring organ volumes requires low measurement variability. The objective of this study is to reduce organ volume measur...
In order to make measurements on multiple pulse sequences practical, a 3D multi-modality multi-class segmentation model based on nnU-net was trained/validated using T1, T2, SSFP, DWI and CT from 413 s...
Dice similarlity coefficient > 97%, Jaccard Index > 0.94, mean surface distance < 1 mm and mean Hausdorff Distance < 2 cm for all three organs and all five sequences were found on internal (n = 25), e...
3D deep learning measures organ volumes on five MRI sequences leveraging the power of outlier analysis and averaging to achieve 1.3% total kidney test-re-test reproducibility....
In single-stranded DNAs/RNAs, secondary structures are very common especially in long sequences. It has been recognized that the high degree of secondary structures in DNA sequences could interfere wi...
As the degree of secondary structures of DNA sequences is closely related to the magnitude of the free energy released in the complicated folding process, we first investigate the free-energy distribu...
Our simulation results indicate that the free energy of DNA sequences at a specific length follows a right skewed distribution and the mean increases as the length increases. Given a tolerable free en...