Titre : Fréquence critique de fusion

Fréquence critique de fusion : Questions médicales fréquentes

Termes MeSH sélectionnés :

Prostatic Neoplasms
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diagnostiquer des troubles avec ce test ?\nQuel professionnel effectue ce diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D005425?mesh_terms=Prostatic+Neoplasms&page=5#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Fréquence critique de fusion", "description": "Quels symptômes indiquent un problème de fusion ?\nLa sensibilité à la lumière est-elle un symptôme ?\nPeut-on ressentir des vertiges ?\nLes troubles de la vision sont-ils fréquents ?\nY a-t-il des signes de fatigue visuelle ?", "url": "https://questionsmedicales.fr/mesh/D005425?mesh_terms=Prostatic+Neoplasms&page=5#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Fréquence critique de fusion", "description": "Comment prévenir les problèmes de fusion ?\nL'éclairage ambiant joue-t-il un rôle ?\nDes pauses régulières sont-elles nécessaires ?\nL'hydratation aide-t-elle à la prévention ?\nLes examens réguliers sont-ils importants ?", "url": "https://questionsmedicales.fr/mesh/D005425?mesh_terms=Prostatic+Neoplasms&page=5#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Fréquence critique de fusion", "description": "Quels traitements sont disponibles pour ce problème ?\nLa thérapie comportementale aide-t-elle ?\nDes médicaments sont-ils prescrits ?\nLes exercices oculaires sont-ils efficaces ?\nQuand consulter un spécialiste ?", "url": "https://questionsmedicales.fr/mesh/D005425?mesh_terms=Prostatic+Neoplasms&page=5#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Fréquence critique de fusion", "description": "Quelles complications peuvent survenir ?\nLes troubles neurologiques sont-ils possibles ?\nPeut-on développer une anxiété liée à la vision ?\nDes problèmes de coordination peuvent-ils survenir ?\nLes troubles de l'humeur sont-ils liés ?", "url": "https://questionsmedicales.fr/mesh/D005425?mesh_terms=Prostatic+Neoplasms&page=5#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Fréquence critique de fusion", "description": "Quels sont les facteurs de risque principaux ?\nL'âge influence-t-il la fréquence critique de fusion ?\nLes troubles oculaires augmentent-ils le risque ?\nLe stress a-t-il un impact ?\nLes antécédents familiaux jouent-ils un rôle ?", "url": "https://questionsmedicales.fr/mesh/D005425?mesh_terms=Prostatic+Neoplasms&page=5#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer la fréquence critique de fusion ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Des tests visuels mesurant la perception de clignotement sont utilisés." } }, { "@type": "Question", "name": "Quels outils sont utilisés pour le diagnostic ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des appareils comme les photomètres et les dispositifs de stimulation lumineuse sont employés." } }, { "@type": "Question", "name": "Quels sont les critères de diagnostic ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "La mesure de la fréquence à laquelle le clignotement est perçu comme continu." } }, { "@type": "Question", "name": "Peut-on diagnostiquer des troubles avec ce test ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles neurologiques ou visuels peuvent être identifiés." } }, { "@type": "Question", "name": "Quel professionnel effectue ce diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Un ophtalmologiste ou un spécialiste de la vision réalise ces tests." } }, { "@type": "Question", "name": "Quels symptômes indiquent un problème de fusion ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des maux de tête, fatigue oculaire ou difficulté à percevoir des mouvements peuvent survenir." } }, { "@type": "Question", "name": "La sensibilité à la lumière est-elle un symptôme ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une sensibilité accrue à la lumière peut être liée à des problèmes de fusion." } }, { "@type": "Question", "name": "Peut-on ressentir des vertiges ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des vertiges peuvent survenir en raison de la perception altérée des lumières." } }, { "@type": "Question", "name": "Les troubles de la vision sont-ils fréquents ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles comme la vision floue peuvent être associés à des problèmes de fusion." } }, { "@type": "Question", "name": "Y a-t-il des signes de fatigue visuelle ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une fatigue visuelle peut se manifester par des difficultés à se concentrer sur des lumières clignotantes." } }, { "@type": "Question", "name": "Comment prévenir les problèmes de fusion ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter une exposition prolongée à des lumières clignotantes et faire des pauses régulières." } }, { "@type": "Question", "name": "L'éclairage ambiant joue-t-il un rôle ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un éclairage adéquat peut réduire la fatigue oculaire et les problèmes de fusion." } }, { "@type": "Question", "name": "Des pauses régulières sont-elles nécessaires ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, faire des pauses fréquentes lors de l'utilisation d'écrans est recommandé." } }, { "@type": "Question", "name": "L'hydratation aide-t-elle à la prévention ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une bonne hydratation peut contribuer à la santé oculaire générale." } }, { "@type": "Question", "name": "Les examens réguliers sont-ils importants ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des examens réguliers chez un ophtalmologiste aident à détecter précocement les problèmes." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour ce problème ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des lunettes correctrices ou des thérapies visuelles peuvent être recommandées." } }, { "@type": "Question", "name": "La thérapie comportementale aide-t-elle ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la thérapie comportementale peut aider à gérer les symptômes associés." } }, { "@type": "Question", "name": "Des médicaments sont-ils prescrits ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments peuvent être prescrits pour traiter des troubles sous-jacents." } }, { "@type": "Question", "name": "Les exercices oculaires sont-ils efficaces ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des exercices oculaires peuvent améliorer la perception visuelle et réduire la fatigue." } }, { "@type": "Question", "name": "Quand consulter un spécialiste ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Il est conseillé de consulter si des symptômes persistent ou s'aggravent." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme des migraines ou des troubles de la concentration peuvent apparaître." } }, { "@type": "Question", "name": "Les troubles neurologiques sont-ils possibles ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles neurologiques peuvent être exacerbés par des problèmes de fusion." } }, { "@type": "Question", "name": "Peut-on développer une anxiété liée à la vision ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'anxiété peut survenir en raison de la difficulté à traiter les stimuli visuels." } }, { "@type": "Question", "name": "Des problèmes de coordination peuvent-ils survenir ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des problèmes de coordination visuelle peuvent être une complication." } }, { "@type": "Question", "name": "Les troubles de l'humeur sont-ils liés ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles de l'humeur peuvent être associés à des problèmes de perception visuelle." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque principaux ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition prolongée à des écrans et des lumières vives augmente le risque." } }, { "@type": "Question", "name": "L'âge influence-t-il la fréquence critique de fusion ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le vieillissement peut affecter la perception visuelle et la fréquence critique." } }, { "@type": "Question", "name": "Les troubles oculaires augmentent-ils le risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles comme la myopie ou l'astigmatisme peuvent augmenter le risque." } }, { "@type": "Question", "name": "Le stress a-t-il un impact ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress peut exacerber les problèmes de perception visuelle et de fusion." } }, { "@type": "Question", "name": "Les antécédents familiaux jouent-ils un rôle ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de troubles visuels peuvent augmenter le risque." } } ] } ] }

Sources (10000 au total)

Therapy decisions after diagnosis of prostate cancer in men with negative prostate MRI.

To investigate the clinical implications of magnetic resonance imaging (MRI) negative prostate cancer (PCa) in a cohort of men undergoing transperineal prostate biopsy.... We included all men without prior diagnosis of PCa undergoing transperineal template saturation ± fusion-guided targeted biopsy of the prostate between November 2014 and March 2018. Before biopsy, all... From 515 patients undergoing prostate biopsy, 171 (33.2%) patients had a negative and 344 (66.8%) a positive MRI. Pathology review stratified for MRI negative and positive cases revealed nsPCa in 27 (... Only few men with MRI negative PCa need active cancer treatment at the time of diagnosis, while the majority opts for AS. Omitting prostate biopsies and performing a follow-up MRI may be a safe altern...

Using prostate-specific membrane antigen positron-emission tomography to guide prostate biopsies and stage men at high-risk of prostate cancer.

To assess whether a diagnostic pathway in which prostate-specific membrane antigen (PSMA) positron-emission tomography (PET)/computed tomography (CT) is used as a single imaging modality is feasible t... A total of 60 men with a prostate-specific antigen (PSA) level of 20-50 ng/mL underwent... Lesions suspicious for PCa in the prostate gland were observed on all PSMA-PET/CTs. A total of 27/60 men (45%) already had metastatic disease on staging... Using the PSMA-driven single imaging modality pathway in biopsy-naïve men at high-risk of PCa, a substantial number of diagnostic MRI scans could be avoided while at the same time obtaining adequate t...

Holmium laser enucleation of the prostate in men on active surveillance for prostate cancer with refractory lower urinary tract symptoms secondary to enlarged prostates.

The surgical treatment of men with lower urinary tract symptoms (LUTS) and significantly enlarged symptomatic prostates on active surveillance (AS) for low-risk prostate cancer (PCa) is not well defin... Men on AS who underwent HoLEP between 2013 and 2019 were identified. Data regarding preoperative cancer workup, prostate-specific antigen (PSA), perioperative outcomes, and voiding parameters were ana... Twenty men met the inclusion criteria. Preoperative mean max flow 7.9 ml/s, median postvoid residual 101 cc, and mean transrectal ultrasound prostate size 99 cc. Patients had a median adjusted preoper... Men on AS for low-risk PCa can safely undergo HoLEP with significantly improved voiding parameters. Postoperative monitoring with PSA, mpMRI, and PBx can detect disease progression requiring definitiv...

Access to Prostate-Specific Antigen Testing and Mortality Among Men With Prostate Cancer.

Prostate-specific antigen (PSA) screening for prostate cancer is controversial but may be associated with benefit for certain high-risk groups.... To evaluate associations of county-level PSA screening prevalence with prostate cancer outcomes, as well as variation by sociodemographic and clinical factors.... This cohort study used data from cancer registries based in 8 US states on Hispanic, non-Hispanic Black, and non-Hispanic White men aged 40 to 99 years who received a diagnosis of prostate cancer betw... County-level PSA screening prevalence was estimated using the Behavior Risk Factor Surveillance System survey data from 2004, 2006, 2008, 2010, and 2012 and weighted by population characteristics.... Multivariable logistic, Cox proportional hazards regression, and competing risks models were fit to estimate adjusted odds ratios (AOR) and adjusted hazard ratios (AHR) for associations of county-leve... Of 814 987 men with prostate cancer, the mean (SD) age was 67.3 (9.8) years, 7.8% were Hispanic, 12.2% were non-Hispanic Black, and 80.0% were non-Hispanic White; 17.0% had advanced disease. There wer... This population-based cohort study of men with prostate cancer suggests that higher county-level prevalence of PSA screening was associated with lower odds of advanced disease, all-cause mortality, an...

Prostate cancer risk prediction based on clinical factors and prostate-specific antigen.

The incidence rate of prostate cancer (PCa) has continued to rise in Korea. This study aimed to construct and evaluate a 5-year PCa risk prediction model using a cohort with PSA < 10 ng/mL by incorpor... The PCa risk prediction model including PSA levels and individual risk factors was constructed using a cohort of 69,319 participants from the Kangbuk Samsung Health Study. 201 registered PCa incidence... The risk prediction model included age, smoking status, alcohol consumption, family history of PCa, past medical history of dyslipidemia, cholesterol levels, and PSA level. Especially, an elevated PSA... Our risk prediction model was effective in predicting PCa in a population according to PSA levels. When PSA levels are inconclusive, an assessment of both PSA and specific individual risk factors (e.g...

Salvage prostate brachytherapy in radiorecurrent prostate cancer: An international Delphi consensus study.

Local recurrences after previous radiotherapy (RT) are increasingly being identified in biochemically recurrent prostate cancer. Salvage prostate brachytherapy (BT) is an effective and well tolerated ... International experts in salvage prostate BT were invited (n = 34) to participate. A three-round modified Delphi technique was utilized, with questions focused on patient- and cancer-specific criteria... Thirty international experts agreed to participate. Consensus was achieved for 56% (18/32) of statements. Consensus was achieved in several areas of patient selection: 1) A minimum of 2-3 years from i... Areas of consensus within our Delphi study may serve as practical advice for salvage prostate BT. Future research in salvage BT should address areas of controversy identified in our study....

Bidirectional influence between benign prostatic hyperplasia, prostate cancer, and prostatitis and mental disorders: two-sample and multivariate mendelian randomization analyses.

We aimed to use Mendelian randomization (MR) to determine the causality between fifteen major mental disorders (MDs) and benign prostatic hyperplasia (BPH), prostate cancer (PCa), and prostatitis.... The main MR analysis was performed using the inverse variance-weighted (IVW) method.... The study found that insomnia (odds ratio [OR], 1.6190;... Our findings provide clinicians with a basis for developing programs to prevent or treat MDs and prostatic diseases....

A pilot study of AI-assisted reading of prostate MRI in Organized Prostate Cancer Testing.

To evaluate the feasibility of AI-assisted reading of prostate magnetic resonance imaging (MRI) in Organized Prostate cancer Testing (OPT).... Retrospective cohort study including 57 men with elevated prostate-specific antigen (PSA) levels ≥3 µg/L that performed bi-parametric MRI in OPT. The results of a CE-marked deep learning (DL) algorith... The number of positive MRIs was 13 (23%), 8 (14%), and 29 (51%) for the local radiologists, expert consensus, and DL, respectively. Kappa scores were moderate for local radiologists versus expert cons... The Dl-algorithm showed low agreement with both local and expert radiologists. Training and validation of DL-algorithms in specific screening cohorts is essential before introduction in organized test...