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Acides aminés, peptides et protéines
Protéines
Protéines de tissu nerveux
Canaux sodiques voltage-dépendants
Canaux sodiques voltage-dépendants : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Canaux sodiques
Électrophysiologie
Électromyographie
Conduction nerveuse
Tests génétiques
Mutations
Douleurs musculaires
Troubles neurologiques
Antécédents médicaux
Syndromes
Symptômes
5
Convulsions
Faiblesse musculaire
Troubles de la marche
Coordination
Douleurs neuropathiques
Picotements
Spasmes musculaires
Hyperexcitabilité
Troubles cognitifs
Signalisation neuronale
Prévention
5
Prévention
Conditions génétiques
Déclencheurs de crises
Stress
Examens réguliers
Anomalies fonctionnelles
Éducation des patients
Gestion des symptômes
Traitements
5
Médicaments antiépileptiques
Stabilisateurs de membrane
Thérapie physique
Force musculaire
Interventions chirurgicales
Cas réfractaires
Mode de vie
Alimentation équilibrée
Traitements personnalisés
Antécédents du patient
Complications
5
Complications
Troubles de la mobilité
Troubles cardiaques
Rythme cardiaque
Complications neurologiques
Déficits moteurs
Gestion des complications
Suivi médical
Facteurs de risque
5
Facteurs de risque
Antécédents familiaux
Infections virales
Crises
Stress
Exacerbation des symptômes
Médicaments
Fonction des canaux sodiques
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"@type": "Question",
"name": "Comment diagnostiquer une dysfonction des canaux sodiques ?",
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"text": "Des tests électrophysiologiques et des études génétiques peuvent être utilisés."
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"@type": "Question",
"name": "Quels examens sont recommandés pour les troubles liés aux canaux sodiques ?",
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"text": "L'EMG et les tests de conduction nerveuse sont souvent recommandés."
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"text": "Oui, ils peuvent identifier des mutations spécifiques associées à des maladies."
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"text": "Oui, des dysfonctionnements peuvent entraîner des troubles de la coordination."
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"@type": "Question",
"name": "Comment les douleurs neuropathiques se manifestent-elles ?",
"position": 8,
"acceptedAnswer": {
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"text": "Elles se présentent souvent sous forme de brûlures ou de picotements."
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"@type": "Question",
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"position": 9,
"acceptedAnswer": {
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"text": "Oui, ils peuvent survenir en raison d'une hyperexcitabilité des neurones."
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"acceptedAnswer": {
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"text": "Certaines conditions peuvent affecter la cognition en perturbant la signalisation neuronale."
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"@type": "Question",
"name": "Quels traitements sont disponibles pour les troubles des canaux sodiques ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les médicaments antiépileptiques et les stabilisateurs de membrane sont courants."
}
},
{
"@type": "Question",
"name": "La thérapie physique est-elle bénéfique ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut aider à améliorer la force musculaire et la coordination."
}
},
{
"@type": "Question",
"name": "Les interventions chirurgicales sont-elles nécessaires ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Rarement, mais elles peuvent être envisagées dans des cas graves ou réfractaires."
}
},
{
"@type": "Question",
"name": "Les changements de mode de vie peuvent-ils aider ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation équilibrée et l'exercice régulier peuvent améliorer les symptômes."
}
},
{
"@type": "Question",
"name": "Les traitements sont-ils personnalisés ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils sont souvent adaptés en fonction des symptômes et des antécédents du patient."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec ces troubles ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des crises fréquentes et des troubles de la mobilité."
}
},
{
"@type": "Question",
"name": "Les troubles cardiaques sont-ils possibles ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies dans les canaux sodiques peuvent affecter le rythme cardiaque."
}
},
{
"@type": "Question",
"name": "Les complications neurologiques sont-elles fréquentes ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent inclure des troubles cognitifs et des déficits moteurs."
}
},
{
"@type": "Question",
"name": "Comment les complications affectent-elles la qualité de vie ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent réduire l'autonomie et augmenter le besoin de soins médicaux."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles être gérées ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un suivi médical régulier et des traitements adaptés peuvent aider."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour les troubles des canaux sodiques ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents familiaux, certaines maladies génétiques et des traumatismes peuvent être des facteurs."
}
},
{
"@type": "Question",
"name": "L'âge joue-t-il un rôle dans ces troubles ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains troubles se manifestent plus fréquemment chez les jeunes enfants ou les adultes."
}
},
{
"@type": "Question",
"name": "Les infections peuvent-elles augmenter le risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines infections virales peuvent déclencher des crises chez les individus prédisposés."
}
},
{
"@type": "Question",
"name": "Le stress est-il un facteur de risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress peut exacerber les symptômes chez les personnes déjà affectées."
}
},
{
"@type": "Question",
"name": "Les médicaments peuvent-ils influencer le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains médicaments peuvent interférer avec la fonction des canaux sodiques."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 19/02/2025
Contenu vérifié selon les dernières recommandations médicales
5 publications dans cette catégorie
Affiliations :
Department of Pharmacology, University of Washington, Seattle, WA 98195, USA. Electronic address: wcatt@uw.edu.
Publications dans "Canaux sodiques voltage-dépendants" :
4 publications dans cette catégorie
Affiliations :
Department of Chemistry, The University of Alabama at Birmingham, Birmingham, AL 35294, USA.
Publications dans "Canaux sodiques voltage-dépendants" :
4 publications dans cette catégorie
Affiliations :
Department of Chemistry, The University of Alabama at Birmingham, Birmingham, AL 35294, USA.
O'Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, AL 35233, USA.
Publications dans "Canaux sodiques voltage-dépendants" :
4 publications dans cette catégorie
Affiliations :
Department of Pharmacology, University of Washington, Seattle, WA, United States.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Department of Biochemistry, Hopkins Building, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QW, UK.
Physiological Laboratory, University of Cambridge, Downing Street, Cambridge, CB2 3EG, UK.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Department of Biochemistry, Hopkins Building, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QW, UK. apj10@cam.ac.uk.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China.
University of Chinese Academy of Sciences, Beijing, China.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China.
Key Laboratory of Molecular Biophysics of MOE, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China.
University of Chinese Academy of Sciences, Beijing, China.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Institute of Structural and Molecular Biology, Birkbeck College, University of London, London, United Kingdom.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Institute of Structural and Molecular Biology, Birkbeck College, University of London, London, United Kingdom.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Department of Molecular and Cellular Pharmacology, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100191, China.
Publications dans "Canaux sodiques voltage-dépendants" :
3 publications dans cette catégorie
Affiliations :
Department of Chemistry , Stanford University , Stanford , California 94305 , United States.
Publications dans "Canaux sodiques voltage-dépendants" :
2 publications dans cette catégorie
Affiliations :
Department of Biochemistry, Hopkins Building, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QW, UK. hl546@cam.ac.uk.
Publications dans "Canaux sodiques voltage-dépendants" :
2 publications dans cette catégorie
Affiliations :
Department of Pathology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
Publications dans "Canaux sodiques voltage-dépendants" :
2 publications dans cette catégorie
Affiliations :
Department of Pathophysiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia; Biomedical Center Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia.
Publications dans "Canaux sodiques voltage-dépendants" :
2 publications dans cette catégorie
Affiliations :
Department of Pathophysiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia; Department of Molecular Pharmacology & Physiology, Morsani College of Medicine, University of South Florida, Tampa, Florida, United States.
Publications dans "Canaux sodiques voltage-dépendants" :
2 publications dans cette catégorie
Affiliations :
Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL 35294, USA.
O'Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, AL 35233, USA.
Publications dans "Canaux sodiques voltage-dépendants" :
2 publications dans cette catégorie
Affiliations :
Department of Pharmacology, University of Washington, Seattle, WA, United States.
Division of General Internal Medicine, Department of Medicine, University of Washington, Seattle, WA, United States.
Publications dans "Canaux sodiques voltage-dépendants" :
AKI is a potential complication of intravascular iodinated contrast exposure. Contrast-associated AKI, which typically manifests as small and transient decrements in kidney function that develop withi...
Intravenous iodinated contrast media are commonly used in clinical practice, ranging from medical imaging to interventional radiology (IR) procedures and endovascular interventions. Compared with pati...
Contrast associated acute kidney injury (CA-AKI) can lead to an increased risk of adverse events. Contrast media (CM) volume reduction has been advocated as a pivotal strategy to prevent CA-AKI in sta...
To compare the effectiveness of CM volume reduction with the DyeVert...
We prospectively collected data from 136 patients with stable coronary artery disease at high risk of CA-AKI treated with left ventricular end diastolic pressure (LVEDP)- guided hydration and undergoi...
Patients in the DyeVert group were treated with a significant lower CM volume (median: 47.5 vs. 84.0 mL, p < 0.001). The trend in creatinine increase was lower (p = 0.004) and the Δ of creatinine (0-4...
CM volume reduction with the DyeVert...
The aim of this study was to quantify the effect of iodinated contrast media (ICM) conservation measures implemented at a single health system during a global shortage, comparing the 12-month period b...
Total body weight (TBW) is a frequently used contrast media (CM) strategy for dose calculation in enhanced CT, yet it is suboptimal as it lacks consideration of patient characteristics, such as body f...
Eighty-nine adult patients referred for CM thoracic CT were retrospectively included, categorized as either normal, muscular, or overweight. Patient body composition data was used to calculate the CM ...
BIA demonstrated the highest and lowest calculated CM dose in muscular and overweight groups respectively, compared to other strategies. For the normal group, the lowest calculated CM dose was achieve...
The BIA method is more adaptive to variations in patient body habitus especially in muscular and overweight patients and is most closely correlated to patient demographics. This study could support ut...
The BIA-based method is adaptive to variations in body habitus especially in muscular and overweight patients and is closely correlated to patient demographics for contrast-enhanced chest CT....
• Calculations based on BIA showed the largest variation in CM dose. • Lean body weight using BIA demonstrated the strongest correlation to patient demographics. • Lean body weight BIA protocol may be...
A severe shortage of iodinated contrast medium (ICM) has forced radiology departments around the world to implement strategies to reduce contrast utilization. The aim of this study was to evaluate the...
Our radiology department instituted several ICM-conserving interventions on 13...
The average daily number of CECT (all), CECT (inpatient and ED), CTPA, CECT AP, and 'Code stroke' CT scans decreased significantly (P < 0.01), by 58.6%, 68.8%, 74.1%, 88.0%, and 37.5%, respectively. T...
Interventions in CT alone, focused on improving patient triage to CECT while avoiding deferment of any outpatient oncology studies, have achieved an approximately two-thirds reduction in ICM consumpti...
To identify the risk factors for moderate and severe contrast media extravasation and provide effective guidance to reduce the degree of extravasation injuries....
We observed 224 adult patients who underwent contrast media extravasation at Xiangya Hospital of Central South University, Hunan Provincial Maternal and Child Healthcare Hospital, and Xiangya Changde ...
Among 224 patients, 0 (0%) had severe, 18 (8.0%) had moderate, and 206 (92.0%) had mild contrast media extravasation injury. Multivariate logistic regression analysis revealed malignant tumors (odds r...
Risk factors for moderate contrast media extravasation injury are malignant tumors, iohexol, large-volume (> 50 mL) extravasation, and back-of-the-hand injection. Analysis of these risk factors can he...
High-risk patients with extravasation support should choose the appropriate contrast media type, avoiding back-of-the-hand injections. We recommend that patients with cancer be implanted with a high-p...
Iodinated- (ICM) and gadolinium-based (GCM) contrast media are used in radiology imaging techniques, such as computer tomography (CT) and magnetic resonance (MR), respectively. The paper aims to analy...
To assess the role of atorvastatin to the frequency of contrast-induced acute kidney injury (CI-AKI) in patients with cardiovascular diseases (CVD) undergoing computed tomography (CT) with intravenous...
One hundred patients with CVD undergoing CT with with intravenous contrast media administration were included in prospective observational study (ClinicalTrials.gov ID NCT04666389). Patients were divi...
CI-AKI was diagnosed in 4 (3.96%) patients. At the same time, it was not possible to establish statistically significant relationships (p0.05) between risk factors and the development of CI-AKI. Stati...
Cardiovascular diseases may increase the risk of CI-AKI after computed tomography with intravenous contrast media administration. Therefore, it is recommended to evaluate the serum creatinine concentr...
To pool and summarise published data of pulmonary blood flow (PBF), pulmonary blood volume (PBV) and mean transit time (MTT) of the human lung, obtained with perfusion MRI or CT to provide reliable re...
PubMed was systematically searched to identify studies that quantified PBF/PBV/MTT in the human lung by injection of contrast agent, imaged by MRI or CT. Only data analysed by 'indicator dilution theo...
PBV was obtained from 313 measurements from 14 publications (wM: 13.97 ml/100 ml, wSD: 4.21 ml/100 ml, wCoV 0.30). MTT was obtained from 188 measurements from 10 publications (wM: 5.91 s, wSD: 1.84 s ...
Reference values for PBF, MTT and PBV were obtained in HV. The literature data are insufficient to draw strong conclusions regarding disease reference values....