Titre : Artère vertébrale

Artère vertébrale : Questions médicales fréquentes

Termes MeSH sélectionnés :

Relative Biological Effectiveness
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?\nQuels signes indiquent une dissection de l'artère vertébrale ?\nComment évaluer la circulation sanguine dans l'artère vertébrale ?\nQuels symptômes nécessitent un examen de l'artère vertébrale ?", "url": "https://questionsmedicales.fr/mesh/D014711?mesh_terms=Relative+Biological+Effectiveness&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Artère vertébrale", "description": "Quels sont les symptômes d'une insuffisance de l'artère vertébrale ?\nComment se manifeste une dissection de l'artère vertébrale ?\nQuels signes neurologiques peuvent indiquer un problème ?\nQuels symptômes sont associés à un AVC vertébrobasilaire ?\nComment reconnaître une compression de l'artère vertébrale ?", "url": "https://questionsmedicales.fr/mesh/D014711?mesh_terms=Relative+Biological+Effectiveness&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Artère vertébrale", "description": "Comment prévenir les maladies de l'artère vertébrale ?\nQuels exercices sont bénéfiques pour l'artère vertébrale ?\nComment le tabagisme affecte-t-il l'artère vertébrale ?\nPourquoi est-il important de contrôler la pression artérielle ?\nQuels aliments favorisent la santé des artères ?", "url": "https://questionsmedicales.fr/mesh/D014711?mesh_terms=Relative+Biological+Effectiveness&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Artère vertébrale", "description": "Quels traitements sont disponibles pour une dissection de l'artère vertébrale ?\nComment traiter une occlusion de l'artère vertébrale ?\nQuels médicaments sont utilisés pour traiter les troubles vertébraux ?\nQuand une intervention chirurgicale est-elle nécessaire ?\nQuels sont les traitements non chirurgicaux pour l'artère vertébrale ?", "url": "https://questionsmedicales.fr/mesh/D014711?mesh_terms=Relative+Biological+Effectiveness&page=3#section-traitements" }, { 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comportements augmentent le risque de maladies de l'artère vertébrale ?", "url": "https://questionsmedicales.fr/mesh/D014711?mesh_terms=Relative+Biological+Effectiveness&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une occlusion de l'artère vertébrale ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un angiogramme cérébral ou une IRM peut révéler une occlusion." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer l'artère vertébrale ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "L'échographie Doppler et l'IRM sont couramment utilisés pour évaluer cette artère." } }, { "@type": "Question", "name": "Quels signes indiquent une dissection de l'artère vertébrale ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs cervicales soudaines et des symptômes neurologiques peuvent indiquer une dissection." } }, { "@type": "Question", "name": "Comment évaluer la circulation sanguine dans l'artère vertébrale ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'angiographie par résonance magnétique permet d'évaluer la circulation sanguine." } }, { "@type": "Question", "name": "Quels symptômes nécessitent un examen de l'artère vertébrale ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des vertiges, des troubles de la vision ou des maux de tête sévères justifient un examen." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une insuffisance de l'artère vertébrale ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des vertiges, des troubles de l'équilibre et des évanouissements." } }, { "@type": "Question", "name": "Comment se manifeste une dissection de l'artère vertébrale ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elle se manifeste par des douleurs cervicales, des céphalées et des symptômes neurologiques." } }, { "@type": "Question", "name": "Quels signes neurologiques peuvent indiquer un problème ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des engourdissements, des faiblesses ou des troubles de la parole peuvent indiquer un problème." } }, { "@type": "Question", "name": "Quels symptômes sont associés à un AVC vertébrobasilaire ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des vertiges, des troubles de la vision et des difficultés à parler." } }, { "@type": "Question", "name": "Comment reconnaître une compression de l'artère vertébrale ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs cervicales et des symptômes neurologiques peuvent indiquer une compression." } }, { "@type": "Question", "name": "Comment prévenir les maladies de l'artère vertébrale ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir un mode de vie sain, contrôler la pression artérielle et éviter le tabac." } }, { "@type": "Question", "name": "Quels exercices sont bénéfiques pour l'artère vertébrale ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des exercices de renforcement du cou et d'étirement peuvent être bénéfiques." } }, { "@type": "Question", "name": "Comment le tabagisme affecte-t-il l'artère vertébrale ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme augmente le risque de maladies vasculaires, y compris des problèmes vertébraux." } }, { "@type": "Question", "name": "Pourquoi est-il important de contrôler la pression artérielle ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Un bon contrôle de la pression artérielle réduit le risque de maladies de l'artère vertébrale." } }, { "@type": "Question", "name": "Quels aliments favorisent la santé des artères ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en fruits, légumes et acides gras oméga-3 favorise la santé vasculaire." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour une dissection de l'artère vertébrale ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement peut inclure des anticoagulants et, dans certains cas, une intervention chirurgicale." } }, { "@type": "Question", "name": "Comment traiter une occlusion de l'artère vertébrale ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement peut inclure des médicaments anticoagulants et des interventions endovasculaires." } }, { "@type": "Question", "name": "Quels médicaments sont utilisés pour traiter les troubles vertébraux ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des anticoagulants et des anti-inflammatoires peuvent être prescrits pour ces troubles." } }, { "@type": "Question", "name": "Quand une intervention chirurgicale est-elle nécessaire ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Une intervention chirurgicale est nécessaire en cas de dissection sévère ou d'occlusion persistante." } }, { "@type": "Question", "name": "Quels sont les traitements non chirurgicaux pour l'artère vertébrale ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements non chirurgicaux incluent la physiothérapie et la médication pour la douleur." } }, { "@type": "Question", "name": "Quelles sont les complications d'une dissection de l'artère vertébrale ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications peuvent inclure un AVC, des douleurs chroniques et des déficits neurologiques." } }, { "@type": "Question", "name": "Quels risques sont associés à une occlusion de l'artère vertébrale ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Une occlusion peut entraîner un AVC ischémique et des complications neurologiques graves." } }, { "@type": "Question", "name": "Comment une compression de l'artère vertébrale peut-elle affecter la santé ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut provoquer des douleurs, des troubles de l'équilibre et des symptômes neurologiques." } }, { "@type": "Question", "name": "Quelles sont les conséquences d'une insuffisance vertébrale ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les conséquences incluent des vertiges, des évanouissements et un risque accru d'AVC." } }, { "@type": "Question", "name": "Quels sont les effets à long terme d'une maladie de l'artère vertébrale ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les effets à long terme peuvent inclure des déficits neurologiques permanents et des douleurs chroniques." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque pour l'artère vertébrale ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'hypertension, le tabagisme, le diabète et l'hyperlipidémie." } }, { "@type": "Question", "name": "Comment l'âge influence-t-il les maladies de l'artère vertébrale ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le risque augmente avec l'âge en raison de l'athérosclérose et de la fragilité vasculaire." } }, { "@type": "Question", "name": "Quel rôle joue le diabète dans les maladies vasculaires ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Le diabète augmente le risque de maladies vasculaires, y compris celles de l'artère vertébrale." } }, { "@type": "Question", "name": "Comment le stress affecte-t-il la santé vasculaire ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Le stress chronique peut contribuer à l'hypertension et à d'autres problèmes vasculaires." } }, { "@type": "Question", "name": "Quels comportements augmentent le risque de maladies de l'artère vertébrale ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme, une mauvaise alimentation et le manque d'exercice augmentent le risque." } } ] } ] }

Sources (10000 au total)

A systematic analysis of the particle irradiation data ensemble in the key of the microdosimetric kinetic model: Should clonogenic data be used for clinical relative biological effectiveness?

To perform a systematic analysis of the Particle Irradiation Data Ensemble (PIDE) database for clonogenic survival assays in the context of the Microdosimetric Kinetic Model (MKM).... Our study used data from the PIDE database containing data on various cell lines and radiation types. Two main parameters of the MKM were determined experiment-wise: the domain radius, which accounts ... Domain and nucleus radii were determined for 32 cell lines as the median among cell-specific experiments after filtering experiments using protons, α-particles, and carbon ions, including 28 human cel... Large inter-experiment variabilities were found for the same cell lines, based on enormous experimental uncertainties and different experimental conditions. Our analysis raises questions about how con...

Interpreting the biological effects of protons as a function of physical quantity: linear energy transfer or microdosimetric lineal energy spectrum?

The choice of appropriate physical quantities to characterize the biological effects of ionizing radiation has evolved over time coupled with advances in scientific understanding. The basic hypothesis...

Estimation of relative biological effectiveness of

Over recent years, [... This study employed the TOol for PArtcile Simulation (TOPAS) based on the Geant4 simulation toolkit. Simulation of the nuclear DNA and damage scoring were performed using the TOPAS-nBio extension of T... Based on the simulated dose-effect curves, the RBE of... In this work, the consideration of DNA repair of the damage from [...

On the perturbation effect and LET dependence of beam quality correction factors in carbon ion beams.

In a recent study, we reported beam quality correction factors, f... The aim of this study was to extend our previous work by computing f... The TOol for PArticle Simulation (TOPAS)/GEANT4 MC code was used in this study. A 30 × 30 × 50 cm... The ICRU 90 f... The perturbation and k...

Modeling secondary cancer risk ratios for proton versus carbon ion beam therapy: A comparative study based on the local effect model.

Ion beam therapy allows for substantial sparing of normal tissues. Besides deterministic normal-tissue complications, stochastic long-term effects like secondary cancer (SC) induction are of importanc... To develop a modeling approach for comparison of SC risk in proton and carbon ion therapy.... The local effect model (LEM) is used to predict the relative biological effectiveness (RBE) of SC induction after particle therapy. A key feature of the new approach is the double use of the LEM, refl... We investigated the impact of factors such as treatment plan geometry, fractionation scheme, and tissue radiosensitivity to photon irradiation on the ion beam SC risk. Our model studies do not result ... The methods established in this work provide a basis for further investigating treatment optimizing strategies for ion beam therapy with regard to SC risk comparisons....

Results of a prospective randomized trial on long-term effectiveness of protons and carbon ions in prostate cancer: LEM I and α/β = 2 Gy overestimates the RBE.

To analyze the long-term effectiveness of carbon ions relative to protons in the prospective randomized controlled ion prostate irradiation (IPI) trial.... Effectiveness via PSA assessment in a randomized study on prostate irradiation with 20x3.3 Gy(RBE) protons versus carbon ions was analyzed in 92 patients. Proton RBE was based on a fixed RBE of 1.1 wh... Five-year overall and progression free survival was 98% and 85% with protons and 91% and 50% with carbon ions, respectively, with the latter being unexpectedly low compared to Japanese carbon ion data... The data demonstrate a significant lower effectiveness of the calculated RBE-weighted dose in the carbon ion as compared to the proton arm. LEM I and an α/β = 2 Gy overestimates the RBE for carbon ion...

Effects of dose and dose-averaged linear energy transfer on pelvic insufficiency fractures after carbon-ion radiotherapy for uterine carcinoma.

The correlation between dose-averaged linear energy transfer (LETd) and its therapeutic or adverse effects, especially in carbon-ion radiotherapy (CIRT), remains controversial. This study aimed to inv... Among patients who underwent CIRT for uterine carcinoma, 101 who were followed up for > 6 months without any other therapy were retrospectively analyzed. The sacrum insufficiency fractures (SIFs) were... At the last follow-up, 19 patients developed SIFs. Receiver operating characteristic curve analysis revealed that the sacrum D50% RBE-weighted dose was a valuable predictor of SIF. Univariate analyses... The sacrum D50% RBE-weighted dose was identified as a risk factor for SIF. Additionally, neither LETd nor physical dose parameters were associated with SIF prediction....

Association Between T2-related Comorbidities and Effectiveness of Biologics in Severe Asthma.

Previous studies investigating comorbidity impact on biologic effectiveness have been relatively small, of short duration, and have not compared biologic classes.... To determine the association between T2-related comorbidities and biologic effectiveness in adults with severe asthma (SA).... This cohort study used International Severe Asthma Registry data (n=21 countries, 2017-2022) to quantify pre- to post-biologic change for four outcomes (annual asthma exacerbation rate, % predicted FE... Of 1765 patients, 1257, 421, and 87 initiated anti-IL-5/5R, anti-IgE, and anti-IL-4/13 therapies, respectively. In general, pre- to post-biologic improvements were noted in all four asthma outcomes as... These findings highlight the importance of systematic comorbidity evaluation. The presence of CRS+/-NP or NP may be considered a predictor of biologic effectiveness in patients with severe asthma....