Titre : Vitamin K epoxide reductases

Vitamin K epoxide reductases : Questions médicales fréquentes

Termes MeSH sélectionnés :

Randomized Controlled Trials as Topic
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"Diagnostic sur Vitamin K epoxide reductases", "description": "Comment diagnostiquer une carence en vitamine K ?\nQuels tests sont utilisés pour évaluer l'activité des réductases ?\nQuels symptômes indiquent un dysfonctionnement des réductases ?\nComment les médicaments affectent-ils le diagnostic ?\nQuel rôle joue l'alimentation dans le diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D064417?mesh_terms=Randomized+Controlled+Trials+as+Topic&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Vitamin K epoxide reductases", "description": "Quels sont les symptômes d'une carence en vitamine K ?\nComment se manifestent les troubles de coagulation ?\nLes douleurs articulaires sont-elles liées aux réductases ?\nQuels signes cutanés peuvent apparaître ?\nLes saignements menstruels peuvent-ils être affectés ?", "url": "https://questionsmedicales.fr/mesh/D064417?mesh_terms=Randomized+Controlled+Trials+as+Topic&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Vitamin K epoxide reductases", "description": "Comment prévenir une carence en vitamine K ?\nLes suppléments sont-ils recommandés ?\nQuels aliments sont riches en vitamine K ?\nLes personnes âgées ont-elles besoin de plus de vitamine K ?\nComment éviter les interactions médicamenteuses ?", "url": "https://questionsmedicales.fr/mesh/D064417?mesh_terms=Randomized+Controlled+Trials+as+Topic&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Vitamin K epoxide reductases", "description": "Comment traiter une carence en vitamine K ?\nQuels médicaments peuvent interférer avec les réductases ?\nY a-t-il des traitements alternatifs ?\nComment surveiller l'efficacité du traitement ?\nLes transfusions sanguines sont-elles nécessaires ?", "url": "https://questionsmedicales.fr/mesh/D064417?mesh_terms=Randomized+Controlled+Trials+as+Topic&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Vitamin K epoxide reductases", "description": "Quelles complications peuvent survenir en cas de carence ?\nLes complications sont-elles réversibles ?\nQuels risques sont associés à un surdosage de vitamine K ?\nLes complications affectent-elles la grossesse ?\nComment les maladies hépatiques influencent-elles les complications ?", "url": "https://questionsmedicales.fr/mesh/D064417?mesh_terms=Randomized+Controlled+Trials+as+Topic&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Vitamin K epoxide reductases", "description": "Quels sont les facteurs de risque de carence en vitamine K ?\nLes nouveau-nés sont-ils à risque ?\nLes personnes sous anticoagulants sont-elles à risque ?\nLes maladies intestinales augmentent-elles le risque ?\nLes personnes âgées sont-elles plus vulnérables ?", "url": "https://questionsmedicales.fr/mesh/D064417?mesh_terms=Randomized+Controlled+Trials+as+Topic&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une carence en vitamine K ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un dosage des niveaux de prothrombine et de vitamine K dans le sang peut indiquer une carence." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer l'activité des réductases ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de coagulation comme le temps de prothrombine (TP) sont utilisés pour évaluer l'activité." } }, { "@type": "Question", "name": "Quels symptômes indiquent un dysfonctionnement des réductases ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des saignements excessifs ou des ecchymoses fréquentes peuvent indiquer un dysfonctionnement." } }, { "@type": "Question", "name": "Comment les médicaments affectent-ils le diagnostic ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Certains anticoagulants, comme la warfarine, peuvent fausser les résultats des tests de coagulation." } }, { "@type": "Question", "name": "Quel rôle joue l'alimentation dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation pauvre en vitamine K peut contribuer à des résultats anormaux lors des tests." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une carence en vitamine K ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des saignements, des ecchymoses, et des saignements des gencives." } }, { "@type": "Question", "name": "Comment se manifestent les troubles de coagulation ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Ils se manifestent par des saignements prolongés après une blessure ou des hémorragies internes." } }, { "@type": "Question", "name": "Les douleurs articulaires sont-elles liées aux réductases ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs articulaires peuvent survenir en raison de saignements internes dans les articulations." } }, { "@type": "Question", "name": "Quels signes cutanés peuvent apparaître ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des ecchymoses et des éruptions cutanées peuvent apparaître en cas de carence en vitamine K." } }, { "@type": "Question", "name": "Les saignements menstruels peuvent-ils être affectés ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des saignements menstruels plus abondants peuvent être un signe de carence en vitamine K." } }, { "@type": "Question", "name": "Comment prévenir une carence en vitamine K ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée riche en légumes à feuilles vertes aide à prévenir la carence." } }, { "@type": "Question", "name": "Les suppléments sont-ils recommandés ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des suppléments peuvent être recommandés pour les personnes à risque, comme les nouveau-nés." } }, { "@type": "Question", "name": "Quels aliments sont riches en vitamine K ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Les légumes à feuilles vertes, le brocoli et les huiles végétales sont riches en vitamine K." } }, { "@type": "Question", "name": "Les personnes âgées ont-elles besoin de plus de vitamine K ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées peuvent nécessiter un apport accru en raison de l'absorption réduite." } }, { "@type": "Question", "name": "Comment éviter les interactions médicamenteuses ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Il est important de consulter un médecin avant de prendre des suppléments ou des médicaments." } }, { "@type": "Question", "name": "Comment traiter une carence en vitamine K ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut des suppléments de vitamine K par voie orale ou intraveineuse." } }, { "@type": "Question", "name": "Quels médicaments peuvent interférer avec les réductases ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les anticoagulants comme la warfarine peuvent inhiber l'activité des réductases." } }, { "@type": "Question", "name": "Y a-t-il des traitements alternatifs ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des modifications alimentaires pour augmenter l'apport en vitamine K peuvent être bénéfiques." } }, { "@type": "Question", "name": "Comment surveiller l'efficacité du traitement ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de coagulation réguliers permettent de surveiller l'efficacité du traitement." } }, { "@type": "Question", "name": "Les transfusions sanguines sont-elles nécessaires ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Dans les cas graves, des transfusions de plasma peuvent être nécessaires pour traiter les saignements." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir en cas de carence ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des hémorragies graves et des troubles de la coagulation." } }, { "@type": "Question", "name": "Les complications sont-elles réversibles ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, avec un traitement approprié, la plupart des complications peuvent être réversibles." } }, { "@type": "Question", "name": "Quels risques sont associés à un surdosage de vitamine K ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un surdosage peut entraîner des problèmes de coagulation et des réactions allergiques." } }, { "@type": "Question", "name": "Les complications affectent-elles la grossesse ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une carence en vitamine K peut augmenter le risque de complications pendant la grossesse." } }, { "@type": "Question", "name": "Comment les maladies hépatiques influencent-elles les complications ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les maladies hépatiques peuvent altérer le métabolisme de la vitamine K, augmentant les risques de complications." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque de carence en vitamine K ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent une alimentation déséquilibrée, des troubles d'absorption et certains médicaments." } }, { "@type": "Question", "name": "Les nouveau-nés sont-ils à risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les nouveau-nés ont un risque accru de carence en raison de réserves limitées de vitamine K." } }, { "@type": "Question", "name": "Les personnes sous anticoagulants sont-elles à risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes sous anticoagulants comme la warfarine doivent surveiller leur apport en vitamine K." } }, { "@type": "Question", "name": "Les maladies intestinales augmentent-elles le risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les maladies comme la maladie cœliaque peuvent affecter l'absorption de la vitamine K." } }, { "@type": "Question", "name": "Les personnes âgées sont-elles plus vulnérables ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'absorption de la vitamine K peut diminuer avec l'âge, augmentant le risque de carence." } } ] } ] }

Sources (10000 au total)

PGT-A: The biology and hidden failures of randomized control trials.

Preimplantation Genetic Testing - Aneuploidy (PGT-A) for embryo selection has undergone significant advancements in the last 2 decades and yet many studies still fail to demonstrate any clinical benef... All suitable blastocysts were biopsied and analyzed for chromosome copy number. Outcomes (positive beta hCG, implantation, ongoing pregnancy, and live birth rates) for Eu-S were compared to Mo-S using... Compared to Eu-S embryos, Mo-S embryos resulted in significant reduction of outcomes for positive beta hCG (p = 0.0005), implantation (p = 0.0008), ongoing pregnancy (p = 0.0046), livebirth (p = 0.011... Embryo chromosome status is central to improved embryo transfer outcomes and sole reliance on current morphology-based selection practices, without Eu-S, will always compromise outcomes. Often overloo...

Statistical Power of Randomized Controlled Trials in Trauma Surgery.

Our purpose was to conduct a bibliometric study investigating the prevalence of underpowered randomized controlled trials (RCTs) in trauma surgery.... A medical librarian conducted a search of RCTs in trauma published from 2000 to 2021. Data extracted included study type, sample size calculation, and power analyses. Post hoc calculations were perfor... In total 187 RCTs from multiple continents and 60 journals were examined. A total of 133 (71%) were found to have "positive" findings consistent with their hypothesis. When evaluating their methods, 5... A concerningly large proportion of recently published RCTs in trauma surgery do not report a priori sample size calculations, do not meet enrollment targets, and are not adequately powered to detect e...

Assessing transparency practices in dental randomized controlled trials.

To evaluate transparency practices in randomized controlled trials (RCTs) in dentistry.... This meta-research study included RCTs in dentistry regardless of topic, methods, or level of detail reported. Only studies in English were considered. We searched PubMed for RCTs in dentistry publish... A total of 844 RCTs were included. Only 12.86% of studies reported any information about data and code sharing. Protocol registration was reported for 50.36% of RCTs. Conflict of interest (83.41%) and... Considering the importance of RCTs for evidence-based dentistry, it is crucial that everyone who participates in the scientific production and dissemination process actively and consistently promotes ...

The Fragility Index of randomized controlled trials in pediatric anesthesiology.

The P value is a widely used measure of statistical importance but has many drawbacks and limitations, one being that it does not reflect the robustness of the results of a clinical trial. The Fragili... We conducted a comprehensive systematic search of high-impact anesthesia, surgical, and medical journals from the last 25 years for trials comparing an intervention between two groups with a statistic... The median [interquartile range] FI was 3 [1-7] and correlated positively with the number of participants (r... The FI of published trials in pediatric anesthesiology is similarly low as in other medical specialties. Larger trials with more events and P values ≤ 0.01 were associated with a higher FI....

Reproducing Statistics Performed in Published Randomized Controlled Trials.

Randomized controlled trials (RCT) represent evidence at the lowest potential risk for bias. Clinicians in all specialties depend upon RCTs to guide patient care. Issues such as statistical discordanc... PubMed was searched using "randomized controlled trial." Studies were selected using a random number generator. Studies were included if the primary outcome could be reproduced using the data and stat... Overall, 572 RCTs were selected involving six specialties. Of these, 45% were positive (p<0.05) studies. Eleven (2%) published results that differed from the reproduction analysis and crossed the p=0.... Less than 5% of published RCTs reported a discordant p-value that crossed the "p=0.05" threshold. Although the occurrence is uncommon, the existence of even one RCT publishing nonreproducible results ...