Titre : Sténose de l'urètre

Sténose de l'urètre : Questions médicales fréquentes

Termes MeSH sélectionnés :

Computer Graphics
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sténose de l'urètre ?\nQuels tests sont utilisés pour évaluer la gravité ?\nQuels symptômes indiquent une sténose ?\nPeut-on voir une sténose à l'échographie ?\nLa biopsie est-elle nécessaire pour le diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D014525?mesh_terms=Computer+Graphics&page=997#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Sténose de l'urètre", "description": "Quels sont les symptômes courants de la sténose ?\nLa sténose peut-elle causer des infections urinaires ?\nY a-t-il des signes d'urgence à surveiller ?\nComment la sténose affecte-t-elle la miction ?\nPeut-on avoir des saignements avec une sténose ?", "url": "https://questionsmedicales.fr/mesh/D014525?mesh_terms=Computer+Graphics&page=997#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Sténose de l'urètre", "description": "Comment prévenir la sténose de l'urètre ?\nLes habitudes de vie 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risque de cancer associé ?\nComment gérer les complications ?\nLes complications peuvent-elles être évitées ?", "url": "https://questionsmedicales.fr/mesh/D014525?mesh_terms=Computer+Graphics&page=997#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Sténose de l'urètre", "description": "Quels sont les principaux facteurs de risque ?\nL'âge influence-t-il le risque de sténose ?\nLes interventions chirurgicales antérieures augmentent-elles le risque ?\nLes maladies inflammatoires sont-elles un facteur ?\nLe tabagisme est-il un facteur de risque ?", "url": "https://questionsmedicales.fr/mesh/D014525?mesh_terms=Computer+Graphics&page=997#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostique-t-on une sténose de l'urètre ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic se fait par cystoscopie et imageries comme l'urographie." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer la gravité ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de débit urinaire et des examens d'imagerie sont utilisés." } }, { "@type": "Question", "name": "Quels symptômes indiquent une sténose ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des douleurs à la miction et des urines fréquentes." } }, { "@type": "Question", "name": "Peut-on voir une sténose à l'échographie ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'échographie peut montrer des anomalies, mais la cystoscopie est plus précise." } }, { "@type": "Question", "name": "La biopsie est-elle nécessaire pour le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "La biopsie n'est généralement pas nécessaire pour diagnostiquer la sténose." } }, { "@type": "Question", "name": "Quels sont les symptômes courants de la sténose ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent douleur, difficulté à uriner et jet urinaire faible." } }, { "@type": "Question", "name": "La sténose peut-elle causer des infections urinaires ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la sténose peut entraîner des infections urinaires fréquentes." } }, { "@type": "Question", "name": "Y a-t-il des signes d'urgence à surveiller ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes comme une rétention urinaire aiguë nécessitent une attention immédiate." } }, { "@type": "Question", "name": "Comment la sténose affecte-t-elle la miction ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut provoquer des mictions douloureuses et un besoin fréquent d'uriner." } }, { "@type": "Question", "name": "Peut-on avoir des saignements avec une sténose ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des saignements peuvent survenir en raison de l'irritation de l'urètre." } }, { "@type": "Question", "name": "Comment prévenir la sténose de l'urètre ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les traumatismes et traiter rapidement les infections urinaires aide à prévenir." } }, { "@type": "Question", "name": "Les habitudes de vie influencent-elles la sténose ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une bonne hygiène et une hydratation adéquate peuvent réduire les risques." } }, { "@type": "Question", "name": "Les examens réguliers sont-ils importants ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des examens réguliers peuvent aider à détecter précocement des problèmes." } }, { "@type": "Question", "name": "Faut-il éviter certains médicaments ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Certains médicaments peuvent aggraver les symptômes, consultez un médecin." } }, { "@type": "Question", "name": "Les infections sexuellement transmissibles jouent-elles un rôle ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent contribuer à la sténose, donc la prévention est essentielle." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour la sténose ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent la dilatation, l'urétrotomie et la chirurgie reconstructive." } }, { "@type": "Question", "name": "La dilatation est-elle une procédure courante ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la dilatation est souvent utilisée pour élargir l'urètre rétréci." } }, { "@type": "Question", "name": "Quand une intervention chirurgicale est-elle nécessaire ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Une chirurgie est nécessaire si les traitements conservateurs échouent." } }, { "@type": "Question", "name": "Quels médicaments peuvent aider ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des antibiotiques peuvent être prescrits pour prévenir les infections associées." } }, { "@type": "Question", "name": "La sténose peut-elle revenir après traitement ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, il existe un risque de récidive après traitement, nécessitant un suivi." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent les infections urinaires, la rétention urinaire et des lésions rénales." } }, { "@type": "Question", "name": "La sténose peut-elle affecter les reins ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une sténose sévère peut entraîner des dommages rénaux dus à la rétention." } }, { "@type": "Question", "name": "Y a-t-il un risque de cancer associé ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Certaines sténoses peuvent être liées à un risque accru de cancer de l'urètre." } }, { "@type": "Question", "name": "Comment gérer les complications ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "La gestion des complications nécessite un suivi médical régulier et des traitements appropriés." } }, { "@type": "Question", "name": "Les complications peuvent-elles être évitées ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être évitées par un traitement précoce et approprié." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents d'infections urinaires et de traumatismes sont des facteurs de risque." } }, { "@type": "Question", "name": "L'âge influence-t-il le risque de sténose ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le risque de sténose augmente avec l'âge, surtout chez les hommes." } }, { "@type": "Question", "name": "Les interventions chirurgicales antérieures augmentent-elles le risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les interventions chirurgicales sur l'urètre peuvent augmenter le risque de sténose." } }, { "@type": "Question", "name": "Les maladies inflammatoires sont-elles un facteur ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les maladies inflammatoires comme la prostatite peuvent contribuer à la sténose." } }, { "@type": "Question", "name": "Le tabagisme est-il un facteur de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme peut aggraver les problèmes urinaires, augmentant le risque de sténose." } } ] } ] }

Sources (10000 au total)

Diagnostic Performance and Clinical Impact of Photon-Counting Detector Computed Tomography in Coronary Artery Disease.

Photon-counting detector-computed tomography (PCD-CT) has emerged as a promising technology, offering improved spatial resolution.... This study aimed to evaluate the clinical impact and diagnostic performance of PCD-CT vs conventional energy-integrating detector computed tomography (EID-CT) for obstructive coronary artery disease (... From 2022 to 2023, we retrospectively identified 7,833 consecutive patients who underwent clinically indicated coronary computed tomography angiography (CCTA) at a single center, with either PCD-CT (n... Patients who underwent PCD-CT were less frequently referred to subsequent ICA than those undergoing EID-CT (9.9% vs 13.1%; P < 0.001). Among those who underwent ICA, revascularization was more frequen... PCD-CT exhibited excellent diagnostic performance for detecting obstructive CAD. Compared with patients undergoing conventional EID-CT, fewer patients were referred to ICA after PCD-CT, but those refe...

Feasibility of fractal dimension analysis for left ventricular trabecular complexity using cardiac computed tomography.

To evaluate the consistency between fractal dimensions (FD) derived from cardiac computed tomography (CT-FD) and cardiac magnetic resonance (MR-FD) in assessing left ventricular trabecular complexity.... This retrospective study included 170 patients who underwent CCT and CMR scans within two weeks. Five short-axis cine images were selected at end-diastole: one basal, three mid, and one apical slice. ... The diastolic CT-FD and MR-FD values exhibited high consistency, with values of 1.253 ± 0.091 and 1.250 ± 0.102, respectively (n = 535, ICC = 0.882, 95 % CI: 0.861-0.899, P < 0.001). Similarly, the sy... CCT is a feasible method for assessing left ventricular trabecular complexity, with good agreement with CMR, except in cases of severe left ventricular hypertrophy during systole....

Contrast-to-noise ratio comparison between X-ray fluorescence emission tomography and computed tomography.

We provide a comparison of X-ray fluorescence emission tomography (XFET) and computed tomography (CT) for detecting low concentrations of gold nanoparticles (GNPs) in soft tissue and characterize the ... We compared dose-matched Monte Carlo XFET simulations and analytical fan-beam EICT and PCCT simulations. Each modality was used to image a numerical mouse phantom and contrast-depth phantom containing... For the mouse phantom, XFET produced superior CNR values (... We demonstrate a proof of XFET's benefit for imaging low concentrations of gold at superficial depths and the feasibility of XFET for...

Exploring global perspectives on the use of computer-based simulation in pharmacy education: a survey of students and educators.

: Increasing student numbers and logistical challenges in pharmacy education limit patient counselling and clinical placement opportunities. Computer-based simulation (CBS) offers scalable, interactiv... : To explore global perceptions of CBS implementation in pharmacy education among educators and students. Methods: An online cross-sectional survey was developed based on literature review and expert ... : Responses from 152 educators across 38 countries and 392 students from 46 countries, spanning six WHO regions (AFRO, AMRO, EMRO, EURO, SEARO, and WPRO) were analysed using descriptive and inferentia... : Both students and educators recognised the potential of CBS in pharmacy education, with strong support for its integration. Addressing barriers such as educator workload, financial constraints, and ...

Comparative analysis of personal protective equipment nonadherence detection: computer vision versus human observers.

Human monitoring of personal protective equipment (PPE) adherence among healthcare providers has several limitations, including the need for additional personnel during staff shortages and decreased v... The automated system was trained to detect 15 classes of eyewear, masks, gloves, and gowns using an object detector and tracker. To assess how the system performs compared to human observers in detect... Human observers detected fewer instances of nonadherence than the system (parameter estimate -0.3, 95% CI -0.4 to -0.2, P < .001). Human observers detected more nonadherence during longer video durati... An automated system simultaneously tracks multiple objects and individuals. The system performance is also independent of observation duration, an improvement over human monitoring.... The automated system presents a potential solution for scalable monitoring of hospital-wide infection control practices and improving PPE usage in healthcare settings....

Deep-learning-based attenuation map generation in kidney single photon emission computed tomography.

Accurate attenuation correction (AC) is vital in nuclear medicine, particularly for quantitative single-photon emission computed tomography/computed tomography (SPECT/CT) imaging. This study aimed to ... A dataset of 1000 Tc-99m DTPA SPECT/CT scans was analyzed for training (n = 800), validation (n = 100), and testing (n = 100) using a modified 3D U-Net for deep learning. The study investigated the us... The study successfully developed and optimized a deep learning algorithm for generating synthetic μ-maps in kidney SPECT images, demonstrating the potential to transition from conventional SPECT/CT to...