Stimulation du nerf vague : Questions médicales fréquentes
Nom anglais: Vagus Nerve Stimulation
Descriptor UI:D055536
Tree Number:E02.331.900
Termes MeSH sélectionnés :
Visual Fields
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"description": "Comment diagnostiquer une épilepsie réfractaire ?\nQuels tests pour évaluer la dépression ?\nQuels critères pour la stimulation du nerf vague ?\nComment évaluer l'efficacité de la stimulation ?\nQuels spécialistes impliqués dans le diagnostic ?",
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"description": "Quels facteurs augmentent le risque d'épilepsie ?\nLa dépression a-t-elle des facteurs de risque ?\nLes jeunes sont-ils plus à risque ?\nLe sexe influence-t-il le risque de dépression ?\nComment le mode de vie affecte-t-il le risque ?",
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"@type": "Question",
"name": "Comment diagnostiquer une épilepsie réfractaire ?",
"position": 1,
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"text": "Un EEG et des antécédents médicaux sont essentiels pour diagnostiquer l'épilepsie réfractaire."
}
},
{
"@type": "Question",
"name": "Quels tests pour évaluer la dépression ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des échelles d'évaluation et des entretiens cliniques aident à diagnostiquer la dépression."
}
},
{
"@type": "Question",
"name": "Quels critères pour la stimulation du nerf vague ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "La stimulation est envisagée après échec de plusieurs traitements médicamenteux."
}
},
{
"@type": "Question",
"name": "Comment évaluer l'efficacité de la stimulation ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'efficacité est mesurée par la réduction des crises ou des symptômes dépressifs."
}
},
{
"@type": "Question",
"name": "Quels spécialistes impliqués dans le diagnostic ?",
"position": 5,
"acceptedAnswer": {
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"text": "Neurologues et psychiatres sont souvent impliqués dans le diagnostic et le traitement."
}
},
{
"@type": "Question",
"name": "Quels symptômes traités par la stimulation ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle traite les crises d'épilepsie et les symptômes de dépression résistante."
}
},
{
"@type": "Question",
"name": "Quels effets secondaires possibles ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les effets secondaires incluent des douleurs au cou, des troubles de la voix et des nausées."
}
},
{
"@type": "Question",
"name": "Comment se manifeste une crise épileptique ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les crises peuvent se manifester par des convulsions, des pertes de conscience ou des sensations anormales."
}
},
{
"@type": "Question",
"name": "Quels signes de dépression à surveiller ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les signes incluent la tristesse persistante, la fatigue, et la perte d'intérêt."
}
},
{
"@type": "Question",
"name": "La stimulation affecte-t-elle l'humeur ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut améliorer l'humeur chez certains patients souffrant de dépression."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir les crises épileptiques ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines mesures comme la prise régulière de médicaments peuvent aider à prévenir les crises."
}
},
{
"@type": "Question",
"name": "Comment réduire les symptômes dépressifs ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une thérapie régulière et un mode de vie sain peuvent aider à réduire les symptômes."
}
},
{
"@type": "Question",
"name": "Y a-t-il des facteurs de risque à éviter ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter l'alcool, le stress excessif et le manque de sommeil peut réduire les risques."
}
},
{
"@type": "Question",
"name": "La stimulation peut-elle être préventive ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle est principalement utilisée pour traiter, mais peut prévenir des crises chez certains patients."
}
},
{
"@type": "Question",
"name": "Quels conseils pour un mode de vie sain ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Exercice régulier, alimentation équilibrée et gestion du stress sont recommandés."
}
},
{
"@type": "Question",
"name": "Comment fonctionne la stimulation du nerf vague ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle envoie des impulsions électriques au nerf vague pour moduler l'activité cérébrale."
}
},
{
"@type": "Question",
"name": "Quelle est la procédure de mise en place ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un dispositif est implanté chirurgicalement sous la peau, connecté au nerf vague."
}
},
{
"@type": "Question",
"name": "Combien de temps dure le traitement ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement est généralement à long terme, avec des ajustements réguliers."
}
},
{
"@type": "Question",
"name": "Quels médicaments peuvent être associés ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anticonvulsivants ou des antidépresseurs peuvent être utilisés en complément."
}
},
{
"@type": "Question",
"name": "Y a-t-il des alternatives à la stimulation ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, d'autres options incluent la thérapie médicamenteuse et la thérapie comportementale."
}
},
{
"@type": "Question",
"name": "Quelles complications possibles de la stimulation ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications peuvent inclure infection, douleur au site d'implantation ou dysphonie."
}
},
{
"@type": "Question",
"name": "Comment gérer les effets secondaires ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Consulter un médecin pour ajuster le traitement ou gérer les effets secondaires."
}
},
{
"@type": "Question",
"name": "Y a-t-il des risques à long terme ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des études sont nécessaires pour évaluer les effets à long terme de la stimulation."
}
},
{
"@type": "Question",
"name": "Comment reconnaître une infection post-opératoire ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les signes incluent rougeur, chaleur, douleur accrue et écoulement au site d'implantation."
}
},
{
"@type": "Question",
"name": "Quels sont les impacts psychologiques possibles ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des changements d'humeur ou d'anxiété peuvent survenir après la stimulation."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque d'épilepsie ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Antécédents familiaux, traumatismes crâniens et infections cérébrales augmentent le risque."
}
},
{
"@type": "Question",
"name": "La dépression a-t-elle des facteurs de risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents familiaux, stress et événements traumatiques sont des facteurs de risque."
}
},
{
"@type": "Question",
"name": "Les jeunes sont-ils plus à risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les jeunes adultes peuvent être plus à risque de développer des troubles épileptiques."
}
},
{
"@type": "Question",
"name": "Le sexe influence-t-il le risque de dépression ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les femmes sont souvent plus susceptibles de souffrir de dépression que les hommes."
}
},
{
"@type": "Question",
"name": "Comment le mode de vie affecte-t-il le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sédentaire et une mauvaise alimentation peuvent augmenter le risque de dépression."
}
}
]
}
]
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Tablet-based perimetry could be used to test for glaucomatous visual field defects in settings without easy access to perimeters, although few studies have assessed diagnostic accuracy of tablet-based...
This was a prospective, cross-sectional study of patients undergoing their first Humphrey Field Analyser (HFA) visual field test at a glaucoma clinic in India. Participants underwent 24-2 SITA Standar...
203 eyes from 115 participants were included, with 82 eyes classified as moderate or worse glaucoma. iPad perimetry had an area under the receiver operating characteristic (AUROC) curve of 0.64 (95% C...
iPad perimetry using the visualFields Easy application had inadequate diagnostic accuracy to be used as a screening tool for glaucoma in this South Indian population....
The benefit of protective headgear for recreational skiers is an ongoing debate in the snow sports industry, and there are a lot of opposing opinions. Due to the dynamic conditions in which winter spo...
To determine the horizontal extent of the binocular visual field (BVF) in subjects with horizontal strabismus and whether the BVF falls below the driving standard....
Adults with congenital esotropia and infantile exotropia ≤45 Prism Dioptres (PD), and subjects with orthotropia were recruited. The manifest angle of deviation was measured using a simultaneous prism ...
Forty-nine subjects were included: 10 with orthotropia, 20 with exotropia and 19 with esotropia. The horizontal extent of BVF (degrees) was significantly smaller in esotropes (122.8 ± 18.8) than in or...
The horizontal extent of BVF is significantly smaller and more variable in adults with congenital esotropia and may fall below the driving standard....
Largest study on visual fields in subjects with horizontal strabismus including an orthotropic control group who do not have diplopia and who would otherwise meet the driving standard. Visual field qu...
The findings of this study would suggest that people with an esotropia should be offered the opportunity to have a binocular visual field test before applying for a driving license. The DVLA may want ...
Visual abilities tend to vary predictably across the visual field-for simple low-level stimuli, visibility is better along the horizontal vs. vertical meridian and in the lower vs. upper visual field....
In natural environments, head movements are required to search for objects outside the field of view (FoV). Here we investigate the power of a salient target in an extended visual search array to faci...
Optic disc drusen (ODD) are calcified deposits in the prelaminar portion of the optic nerve head. Although often asymptomatic, these deposits can cause progressive visual field defects and vision loss...
This was a retrospective cohort study including 65 eyes of 43 patients with ODD from the Duke Ophthalmic Registry. All eyes had at least 12 months of follow-up and at least 3 reliable standard automat...
Subjects were followed for an average of 7.6 ± 5.3 years. The mean rate of SAP MD change was -0.23 ± 0.26 dB/year, ranging from -1.19 to 0.13 dB/year. Fifty-seven eyes (87.7%) had slow progression (sl...
Most eyes with ODD had slow rates of visual field loss over time. Age and baseline severity were significantly associated with faster rates of visual field loss....
To evaluate the association between baseline severity of visual field (VF) damage and the initial rates of VF progression with quality of life (QOL) outcomes over an extended follow-up in glaucoma....
Retrospective cohort study....
Both eyes of 167 glaucoma or suspected glaucoma patients were followed for 10.0±0.3 years. The National Eye Institute Visual Function Questionnaire (NEI-VFQ)-25 was performed at the end of the follow-...
All models demonstrated association of worse baseline severity of VF damage with worse subsequent NEI-VFQ-25 scores. Faster rates of decline in VF mean deviation of the better eye and the mean sensiti...
Baseline severity and initial rates of change of VF damage are associated with QOL outcomes over an extended follow-up. Assessment of longitudinal VF changes, especially in better eye, provides progno...
To investigate the intereye correlations between and differences in the rates of visual field (VF) progression in eyes with bilateral open-angle glaucoma....
Retrospective, longitudinal, observational study....
Patients with bilateral open-angle glaucoma with 8 or more reliable 30 - 2 standard automated perimetry tests over a period of more than 2 years were enrolled. The rate of change of the MD (MD slope) ...
One hundred eighty-eight eyes from 94 patients (56 women) were enrolled. A significant intereye correlation of the rates of visual field progression (P = .002) was found. The mean ± standard deviation...
A significant intereye correlation in the rate of VF progression was found in eyes with bilateral open-angle glaucoma. We showed the distributions and associated factors of intereye differences in VF ...
To investigate the influence of peripapillary retinoschisis (PRS) on visual field (VF) test results in patients with primary open angle glaucoma (POAG)....
Thirty eyes of 30 patients with POAG who had PRS at least once were included. All eyes were followed-up for a minimum 5 years at 4-6-month intervals. The occurrence of PRS was determined by circumpapi...
Global MD (p=0.345) and regional VF deviations (p=0.255) did not differ significantly between immediately after and just prior to PRS formation. Global MD (p=0.846) and regional VF deviations (p=0.758...
PRS has no short-term effect on the VF sensitivity. Therefore, VF test can still be useful for evaluating glaucomatous damage even in the presence of PRS compared with OCT....
Visual input is not equally processed over space. In recent years, a right visual field advantage during free walking and standing in orientation discrimination and contrast detection task was reporte...