Titre : Artère cérébrale moyenne

Artère cérébrale moyenne : Questions médicales fréquentes

Termes MeSH sélectionnés :

Logistic Models
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cérébrale moyenne", "description": "Comment diagnostiquer une occlusion de l'artère cérébrale moyenne ?\nQuels tests sont utilisés pour évaluer la circulation sanguine ?\nQuels signes cliniques indiquent une atteinte de cette artère ?\nQuelle est l'importance de l'IRM dans le diagnostic ?\nPeut-on détecter une sténose de l'artère cérébrale moyenne ?", "url": "https://questionsmedicales.fr/mesh/D020768?mesh_terms=Logistic+Models&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Artère cérébrale moyenne", "description": "Quels sont les symptômes d'un AVC lié à cette artère ?\nComment se manifeste une hémorragie cérébrale ?\nQuels déficits peuvent survenir après un AVC ?\nLes troubles de la vision sont-ils possibles ?\nQuels signes précurseurs d'AVC sont à surveiller ?", "url": "https://questionsmedicales.fr/mesh/D020768?mesh_terms=Logistic+Models&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", 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"headline": "Complications sur Artère cérébrale moyenne", "description": "Quelles sont les complications possibles après un AVC ?\nComment les AVC affectent-ils la qualité de vie ?\nLes AVC peuvent-ils entraîner des troubles psychologiques ?\nQuelles sont les conséquences d'une hémorragie cérébrale ?\nLes AVC récurrents sont-ils possibles ?", "url": "https://questionsmedicales.fr/mesh/D020768?mesh_terms=Logistic+Models&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Artère cérébrale moyenne", "description": "Quels sont les principaux facteurs de risque d'AVC ?\nL'âge influence-t-il le risque d'AVC ?\nLe stress peut-il contribuer aux AVC ?\nLes antécédents familiaux jouent-ils un rôle ?\nLe cholestérol élevé est-il un facteur de risque ?", "url": "https://questionsmedicales.fr/mesh/D020768?mesh_terms=Logistic+Models&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une occlusion de l'artère cérébrale moyenne ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un IRM ou un scanner cérébral peut révéler une occlusion ou un AVC." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer la circulation sanguine ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "L'échographie Doppler et l'angiographie sont couramment utilisés." } }, { "@type": "Question", "name": "Quels signes cliniques indiquent une atteinte de cette artère ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des troubles moteurs, des troubles du langage et des déficits sensoriels peuvent apparaître." } }, { "@type": "Question", "name": "Quelle est l'importance de l'IRM dans le diagnostic ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM permet de visualiser les lésions cérébrales et d'évaluer l'étendue des dommages." } }, { "@type": "Question", "name": "Peut-on détecter une sténose de l'artère cérébrale moyenne ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la sténose peut être détectée par angiographie ou échographie Doppler." } }, { "@type": "Question", "name": "Quels sont les symptômes d'un AVC lié à cette artère ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent faiblesse unilatérale, troubles de la parole et confusion." } }, { "@type": "Question", "name": "Comment se manifeste une hémorragie cérébrale ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut provoquer des maux de tête soudains, des nausées et une perte de conscience." } }, { "@type": "Question", "name": "Quels déficits peuvent survenir après un AVC ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des déficits moteurs, sensoriels et cognitifs peuvent affecter la qualité de vie." } }, { "@type": "Question", "name": "Les troubles de la vision sont-ils possibles ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles visuels peuvent survenir, comme la perte de vision d'un œil." } }, { "@type": "Question", "name": "Quels signes précurseurs d'AVC sont à surveiller ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des engourdissements, des troubles de l'équilibre et des maux de tête soudains." } }, { "@type": "Question", "name": "Quelles habitudes de vie aident à prévenir les AVC ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée, l'exercice régulier et l'arrêt du tabac sont essentiels." } }, { "@type": "Question", "name": "Le contrôle de la pression artérielle est-il important ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, maintenir une pression artérielle normale réduit le risque d'AVC." } }, { "@type": "Question", "name": "Comment le diabète influence-t-il le risque d'AVC ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Le diabète mal contrôlé augmente le risque d'AVC ischémique et hémorragique." } }, { "@type": "Question", "name": "Les examens médicaux réguliers sont-ils nécessaires ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des bilans réguliers aident à détecter les facteurs de risque précocement." } }, { "@type": "Question", "name": "L'alcool a-t-il un impact sur le risque d'AVC ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Une consommation excessive d'alcool augmente le risque d'AVC et d'hypertension." } }, { "@type": "Question", "name": "Quel est le traitement d'urgence pour un AVC ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "L'administration d'un thrombolytique dans les premières heures est cruciale." } }, { "@type": "Question", "name": "Quels médicaments sont utilisés pour prévenir les AVC ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les anticoagulants et les antiplaquettaires sont souvent prescrits." } }, { "@type": "Question", "name": "La rééducation est-elle nécessaire après un AVC ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la rééducation physique et orthophonique est essentielle pour récupérer." } }, { "@type": "Question", "name": "Quels sont les traitements chirurgicaux possibles ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "La chirurgie peut inclure la déviation des vaisseaux ou l'évacuation d'un hématome." } }, { "@type": "Question", "name": "Comment gérer les complications post-AVC ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi médical régulier et des thérapies adaptées sont nécessaires." } }, { "@type": "Question", "name": "Quelles sont les complications possibles après un AVC ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des infections, des troubles de la déglutition et des douleurs." } }, { "@type": "Question", "name": "Comment les AVC affectent-ils la qualité de vie ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent entraîner des handicaps physiques et cognitifs, affectant l'autonomie." } }, { "@type": "Question", "name": "Les AVC peuvent-ils entraîner des troubles psychologiques ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles comme la dépression et l'anxiété sont fréquents après un AVC." } }, { "@type": "Question", "name": "Quelles sont les conséquences d'une hémorragie cérébrale ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut causer des lésions cérébrales permanentes et des déficits neurologiques." } }, { "@type": "Question", "name": "Les AVC récurrents sont-ils possibles ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes ayant eu un AVC sont à risque accru d'en avoir un autre." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque d'AVC ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'hypertension, le diabète, le tabagisme et l'obésité sont des facteurs majeurs." } }, { "@type": "Question", "name": "L'âge influence-t-il le risque d'AVC ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le risque d'AVC augmente avec l'âge, surtout après 55 ans." } }, { "@type": "Question", "name": "Le stress peut-il contribuer aux AVC ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le stress chronique peut augmenter le risque d'AVC par divers mécanismes." } }, { "@type": "Question", "name": "Les antécédents familiaux jouent-ils un rôle ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux d'AVC augmentent le risque personnel." } }, { "@type": "Question", "name": "Le cholestérol élevé est-il un facteur de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un taux de cholestérol élevé peut contribuer à l'athérosclérose et aux AVC." } } ] } ] }

Sources (10000 au total)

Multiple logistic regression model to predict bile leak associated with subtotal cholecystectomy.

There are no prediction models for bile leakage associated with subtotal cholecystectomy (STC). Therefore, this study aimed to generate a multivariable prediction model for post-STC bile leakage and e... We analysed prospectively managed data of patients who underwent STC by a single consultant surgeon between 14 May 2013 and 21 December 2021. STC was schematised into four variants with five subvarian... A total of 81 patients underwent the STC procedure. Twenty-eight patients (35%) developed bile leakage. Of these, 18 patients (64%) required secondary surgical intervention. Multivariable logistic reg... Open-tract STC and acute cholecystitis are the most reliable predictors of bile leakage associated with STC. Future prospective, multicentre studies with higher statistical power are needed to generat...

Combining proteomic markers to construct a logistic regression model for polycystic ovary syndrome.

Proteomics technology has been used in various fields in recent years for the Q6 exploration of novel markers and the study of disease pathogenesis, and has become one of the most important tools for ... In our previous study we used DIA proteomics to screen for proteins that were significant in 31 PCOS patients compared to women of normal reproductive age. In this study, we used logistic regression a... We constructed a logistic model using these protein markers, where HIST1H4A (OR=1.037) was an independent risk factor for polycystic ovary syndrome and TREML1 (OR=0.976) were protective factors for th... Our study is the first to use proteomic results with clinical biochemical data to construct a logistic regression model, and the model is consistent. However, our study still needs a more complete sam...

Establishment of HIV-negative neurosyphilis risk score model based on logistic regression.

To establish the risk scoring model for HIV-negative neurosyphilis (NS) patients and to optimize the lumbar puncture strategy.... From 2016 to 2021, clinical information on 319 syphilis patients was gathered. Multivariate logistic regression was used to examine the independent risk factors in NS patients who tested negative for ... There were statistically significant differences between HIV-negative NS and non-neurosyphilis (NNS) patients in the following factors. These included age, gender, neuropsychiatric symptoms (including... The risk scoring model in this study can classify the risk of neurosyphilis in syphilis patients, optimize the lumbar puncture strategy to a certain extent, and provide ideas for the clinical diagnosi...

Adjustment for baseline characteristics in randomized trials using logistic regression: sample-based model versus true model.

Adjustment for baseline prognostic factors in randomized clinical trials is usually performed by means of sample-based regression models. Sample-based models may be incorrect due to overfitting. To as... We conducted a simulation study using samples drawn from a "population" in which both the treatment effect and the effect of the potential confounder were specified. The outcome variable was binary. U... Sample-based adjustment models yielded more biased estimates of the treatment effect than adjustment models that used the true confounder effect but had similar variance, accuracy, power, and type 1 e... Sample-based adjustment yields similar results to exact adjustment in estimating the treatment effect. Sample-based adjustment is preferable to no adjustment....

A calibration and uncertainty quantification analysis of classical, fractional and multiscale logistic models of tumour growth.

The validation of mathematical models of tumour growth is frequently hampered by the lack of sufficient experimental data, resulting in qualitative rather than quantitative studies. Recent approaches ... The multiscale expansion of logistic growth models was performed by coupling gene expression profiles to the cell death rates. State-of-the-art Bayesian inference, likelihood maximisation and uncertai... The results suggest that the classical single-cell population model (SCPM) was the best fit for the untreated and low-dose treatment conditions, while the multiscale model with a cell death rate symme... Overall, the present study demonstrates that model performance can be improved by incorporating multiscale measurements of tumour growth when high-dose treatment is involved....

Minimum sample size for developing a multivariable prediction model using multinomial logistic regression.

Multinomial logistic regression models allow one to predict the risk of a categorical outcome with > 2 categories. When developing such a model, researchers should ensure the number of participants (... The first criterion aims to minimise the model overfitting. The second aims to minimise the difference between the observed and adjusted... We tested the performance of the proposed criteria (i) through a simulation study and found that it resulted in the desired level of overfitting. Criterion (ii) and (iii) were natural extensions from ... We illustrated how to implement the sample size criteria through a worked example considering the development of a multinomial risk prediction model for tumour type when presented with an ovarian mass...

A novel multivariate logistic model for predicting risk factors of failed treatment with carbapenem-resistant

This study aimed to explore the risk factors for failed treatment of carbapenem-resistant... A total of 189 CRAB-VAP patients were included in the safety analysis set from two Grade 3 A national-level hospitals between 1 January 2022 and 31 December 2022. The risk factors for failed treatment... Of the 189 patients, 106 (56.1%) patients were in the successful treatment group, and 83 (43.9%) patients were in the failed treatment group. The multivariate logistic model analysis showed that age (... Age, hypoproteinemia, daily dose, medication within 14 days prior to surgical intervention, and microbial clearance are all significant risk factors for failed treatment with CRAB-VAP, with the nomogr...