Titre : Pedigree

Pedigree : Questions médicales fréquentes

Termes MeSH sélectionnés :

Visual Fields
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environnementaux jouent-ils un rôle ?\nLes tests génétiques peuvent-ils identifier des facteurs de risque ?\nComment réduire les facteurs de risque ?", "url": "https://questionsmedicales.fr/mesh/D010375?mesh_terms=Visual+Fields&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment établir un pedigree familial ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un pedigree est établi en collectant des informations sur les membres de la famille et leurs maladies." } }, { "@type": "Question", "name": "Quels outils pour analyser un pedigree ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des logiciels de généalogie et des diagrammes sont utilisés pour visualiser les relations et les maladies." } }, { "@type": "Question", "name": "Quelle est l'importance du pedigree en médecine ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Il aide à identifier les risques héréditaires et à orienter le dépistage et le traitement." } }, { "@type": "Question", "name": "Comment interpréter un pedigree ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "On analyse les symboles et les lignes pour comprendre les transmissions héréditaires." } }, { "@type": "Question", "name": "Quelles maladies peuvent être identifiées par un pedigree ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des maladies comme la fibrose kystique, la maladie de Huntington et d'autres troubles génétiques." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une maladie héréditaire ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes variés comme des anomalies congénitales, des troubles métaboliques ou neurologiques." } }, { "@type": "Question", "name": "Comment les symptômes varient selon les générations ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent apparaître différemment selon les générations en raison de la variabilité génétique." } }, { "@type": "Question", "name": "Les symptômes sont-ils toujours présents dans un pedigree ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Non, certains porteurs de gènes peuvent ne pas exprimer de symptômes visibles." } }, { "@type": "Question", "name": "Peut-on prédire des symptômes à partir d'un pedigree ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un pedigree peut aider à prédire la probabilité d'apparition de certains symptômes." } }, { "@type": "Question", "name": "Quels sont les symptômes de la maladie de Huntington ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des troubles moteurs, cognitifs et psychiatriques, souvent visibles à l'âge adulte." } }, { "@type": "Question", "name": "Comment prévenir les maladies héréditaires ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La prévention inclut le dépistage, le conseil génétique et des choix de vie sains." } }, { "@type": "Question", "name": "Le dépistage prénatal est-il utile ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, il permet de détecter certaines maladies génétiques avant la naissance." } }, { "@type": "Question", "name": "Quels tests génétiques sont recommandés ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Des tests pour des maladies spécifiques peuvent être recommandés selon les antécédents familiaux." } }, { "@type": "Question", "name": "Comment le mode de vie influence-t-il la prévention ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain peut réduire le risque d'expression de certaines maladies héréditaires." } }, { "@type": "Question", "name": "Les vaccinations aident-elles à prévenir des maladies héréditaires ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Non, les vaccinations ne préviennent pas les maladies héréditaires, mais elles préviennent d'autres infections." } }, { "@type": "Question", "name": "Comment le pedigree influence-t-il le traitement ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Il permet de personnaliser les traitements en fonction des antécédents familiaux et des risques." } }, { "@type": "Question", "name": "Quels traitements pour les maladies héréditaires ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements varient, incluant la thérapie génique, les médicaments et la gestion des symptômes." } }, { "@type": "Question", "name": "Le dépistage précoce est-il important ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, il permet d'initier un traitement précoce et d'améliorer le pronostic des maladies héréditaires." } }, { "@type": "Question", "name": "Quels sont les traitements pour la fibrose kystique ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent des médicaments, des thérapies respiratoires et des soins de soutien." } }, { "@type": "Question", "name": "Comment les conseils génétiques aident-ils au traitement ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Ils fournissent des informations sur les risques et les options de traitement pour les familles." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec des maladies héréditaires ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications variées comme des troubles organiques, des handicaps ou des maladies associées." } }, { "@type": "Question", "name": "Comment gérer les complications des maladies héréditaires ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "La gestion inclut un suivi médical régulier et des traitements adaptés aux complications." } }, { "@type": "Question", "name": "Les complications sont-elles prévisibles ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être prévisibles grâce à l'analyse du pedigree et des antécédents." } }, { "@type": "Question", "name": "Quelles sont les complications de la maladie de Tay-Sachs ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des troubles neurologiques graves et une espérance de vie réduite." } }, { "@type": "Question", "name": "Les complications peuvent-elles être évitées ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être évitées par un dépistage et une intervention précoce." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque pour les maladies héréditaires ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent des antécédents familiaux, des mutations génétiques et des facteurs environnementaux." } }, { "@type": "Question", "name": "Comment les antécédents familiaux influencent-ils le risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Des antécédents familiaux de maladies augmentent la probabilité de développer des conditions similaires." } }, { "@type": "Question", "name": "Les facteurs environnementaux jouent-ils un rôle ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains facteurs environnementaux peuvent interagir avec des prédispositions génétiques." } }, { "@type": "Question", "name": "Les tests génétiques peuvent-ils identifier des facteurs de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les tests peuvent révéler des mutations génétiques associées à des maladies héréditaires." } }, { "@type": "Question", "name": "Comment réduire les facteurs de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "On peut réduire les facteurs de risque par des choix de vie sains et un suivi médical régulier." } } ] } ] }

Sources (10000 au total)

Humphrey visual field made easy for residents.

Visual field testing is an indispensable part of the assessment of glaucoma. Of paramount importance to both the practitioner and the perimetrist is the guidance on how to conduct the test to get the ... To simplify the basics of understanding single-field analysis of visual field tests by using the Humphrey perimeter.... The general principle and a brief overview of how the Humphrey visual field is conducted and the approach to interpreting the results of single field analysis in an easy-to-understand manner are prese... This educational video is an attempt to simplify the interpretation of Humphrey visual field single-field analysis with illustrations and video clips that would be useful to practicing ophthalmologist... https://youtu.be/x8iZLDR4XdY....

Foveal avascular zone vessel density is associated with visual field progression in early-stage glaucoma eyes with central visual field damage.

We investigated the relationship between foveal avascular zone (FAZ)-related parameters, assessed by optical coherence tomography angiography (OCT-A), and visual field (VF) progression in early-stage ...

Visual feedback in the lower visual field affects postural control during static standing.

The dorsal parietal visual system plays an important role in self-motion perception and spatial cognition. It also strongly responds to visual inputs from the lower visual field. Postural control is m... Do visual stimuli presented to the lower and upper visual fields affect postural control and sensory reweighting?... Twenty-nine healthy young adults participated in the study. Four conditions (full visual field, upper visual field, lower visual field, and no optic flow condition) were simulated in a VR environment ... Optic flow in the full and lower visual fields produced significantly smaller 95 % ellipse area and RMS of COP in the anterior-posterior direction compared to optic flow in the upper visual field. Furth... Visual feedback affects static postural control more when presented in the lower visual field compared to the upper visual field....

Five-Year Visual Field Outcomes of the HORIZON Trial.

To compare visual field (VF) progression between glaucoma patients receiving cataract surgery alone (CS) or with a Hydrus microstent (CS-HMS).... Post hoc analysis of VF data from the HORIZON multicenter randomized controlled trial.... A total of 556 patients with glaucoma and cataract were randomized 2:1 to either CS-HMS (369) or CS (187) and followed up for 5 years. VF was performed at 6 months and then every year after surgery. W... Data from 352 eyes in the CS-HMS arm and 165 in the CS arm were analyzed (2966 VFs). The mean RoP was -0.26 dB/y (95% credible interval -0.36, -0.16) for CS-HMS and -0.49 dB/y (95% credible interval -... CS-HMS has a significant effect on VF preservation in glaucoma patients compared with CS alone, reducing the proportion of fast progressors....

Effect of trabeculectomy on the rate of progression of visual field damage.

This study quantifies the effect of trabeculectomy on the rate of progression (RoP) of visual field (VF) damage utilising pre- and post-operative visual function as the outcome instead of surrogate ou... Clinical and VF data from 199 sequential patients who underwent trabeculectomy between 2015 and 2016 were extracted from the network of sites of Moorfields Eye Hospital NHS Foundation Trust. Of these,... We analysed 10 [9,12] VFs per subject (Median [Interquartile Range]). At surgery, the age was 67 [57, 72] years, mean deviation was -10.84 [-14.7, -5.6] dB and the IOP was 18 [15, 20] mmHg. One year a... Trabeculectomy leads to a significant reduction in the RoP of VF loss postoperatively....

A Consensus Statement on the Terminology for Automated Visual Field Abnormalities.

A multitude of terms have been used to describe automated visual field abnormalities. To date, there is no universally accepted system of definitions or guidelines. Variability among clinicians create... In phase one of the study, all neuro-ophthalmologists in Israel were asked to complete a survey in which they described the abnormalities in 10 selected automated visual field tests. In phase 2 of the... Twenty-six neuro-ophthalmologists participated in the initial survey. On average, there were 7.5 unique descriptions for each of the visual fields (SD 3.17), a description of only the location in 24.6... The study confirmed a great degree of variability in the use of terminology to describe automated visual field abnormalities. The creation of a consensus statement was associated with improved use of ...

Gaze tracker parameters have little association with visual field metrics of intrasession frontloaded SITA-Faster 24-2 visual field results.

To determine the usefulness of Humphrey Field Analyser (HFA) SITA-Faster 24-2 gaze tracker outputs on interpreting intra-visit visual field (VF) result pairs.... Analysis of 1380 right-left eye pairs and 1432 pairs of test 1-test 2 intrasession VF results of patients seen within a university-based glaucoma service was undertaken to understand gaze deviation di... There was no association of test order (right-left, test 1-test 2) with eye movements. There was a significant, but weak correlation between eye movements and age (r = 0.16). Correlations of eye movem... Eye movement parameters as currently reported by the HFA do not appear to be correlated with key sensitivity parameters when considering the repeatability of intrasession SITA-Faster 24-2 VF results. ...

Peripheral visual field loss and activities of daily living.

Peripheral visual field (VF) loss affects 13% of the population over 65. Its effect on activities of daily living and higher order visual processing is as important as it is inadequately understood. T... In this review, glaucoma and retrochiasmal cortical damage are utilized as examples of peripheral field loss which typically spare central vision and have patterns respecting the horizontal and vertic... Peripheral VF loss is an under-recognized cause of patient distress and disability. All peripheral field loss is not the same, differential patterns of loss affect parameters of activities of daily li...