Cônes de croissance : Questions médicales fréquentes
Nom anglais: Growth Cones
Descriptor UI:D020439
Tree Number:A11.671.501.145.375
Termes MeSH sélectionnés :
Attention Deficit Disorder with Hyperactivity
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"description": "Comment identifier un cône de croissance ?\nQuels tests sont utilisés pour étudier les cônes de croissance ?\nLes cônes de croissance peuvent-ils être visualisés in vivo ?\nQuels marqueurs sont utilisés pour les cônes de croissance ?\nPeut-on évaluer la fonction des cônes de croissance ?",
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"description": "Quels sont les facteurs de risque pour les anomalies des cônes de croissance ?\nLe tabagisme maternel est-il un facteur de risque ?\nL'exposition à des toxines affecte-t-elle les cônes de croissance ?\nLes troubles génétiques augmentent-ils le risque ?\nLe manque de soins prénatals est-il un facteur de risque ?",
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"@type": "Question",
"name": "Comment identifier un cône de croissance ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'observation microscopique des neurones en culture permet d'identifier les cônes de croissance."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour étudier les cônes de croissance ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des techniques comme la microscopie à fluorescence et l'immunohistochimie sont couramment utilisées."
}
},
{
"@type": "Question",
"name": "Les cônes de croissance peuvent-ils être visualisés in vivo ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des techniques d'imagerie avancées permettent de visualiser les cônes de croissance in vivo."
}
},
{
"@type": "Question",
"name": "Quels marqueurs sont utilisés pour les cônes de croissance ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des marqueurs comme la tubuline et la protéine GAP-43 sont souvent utilisés pour les identifier."
}
},
{
"@type": "Question",
"name": "Peut-on évaluer la fonction des cônes de croissance ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des tests fonctionnels mesurent la capacité des cônes à diriger la croissance axonale."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent un dysfonctionnement des cônes de croissance ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies dans la croissance neuronale peuvent entraîner des troubles neurologiques."
}
},
{
"@type": "Question",
"name": "Les cônes de croissance affectent-ils le comportement ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies dans leur développement peuvent influencer le comportement et les fonctions cognitives."
}
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{
"@type": "Question",
"name": "Comment les cônes de croissance sont-ils liés à la douleur ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des cônes de croissance mal orientés peuvent contribuer à des douleurs neuropathiques."
}
},
{
"@type": "Question",
"name": "Les troubles de la croissance neuronale causent-ils des symptômes physiques ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des troubles peuvent entraîner des déficits moteurs ou sensoriels selon la région affectée."
}
},
{
"@type": "Question",
"name": "Les symptômes neurologiques sont-ils toujours présents avec des cônes de croissance anormaux ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Pas toujours, mais des anomalies peuvent augmenter le risque de troubles neurologiques."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir les anomalies des cônes de croissance ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines anomalies peuvent être évitées par une bonne nutrition et des soins prénatals."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'environnement dans le développement des cônes de croissance ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un environnement enrichi peut favoriser un développement neuronal sain et fonctionnel."
}
},
{
"@type": "Question",
"name": "Les facteurs génétiques influencent-ils les cônes de croissance ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des mutations génétiques peuvent affecter le développement et la fonction des cônes."
}
},
{
"@type": "Question",
"name": "Comment le stress maternel impacte-t-il le développement neuronal ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress maternel peut nuire au développement des cônes de croissance et à la santé neuronale."
}
},
{
"@type": "Question",
"name": "Les vaccinations influencent-elles le développement neuronal ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les vaccinations ne nuisent pas au développement neuronal et sont essentielles pour la santé."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour les troubles liés aux cônes de croissance ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent la thérapie physique, la médication et la rééducation neurologique."
}
},
{
"@type": "Question",
"name": "La chirurgie peut-elle corriger des anomalies des cônes de croissance ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Dans certains cas, la chirurgie peut être envisagée pour corriger des malformations structurelles."
}
},
{
"@type": "Question",
"name": "Les médicaments peuvent-ils aider à la régénération des cônes de croissance ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains médicaments favorisent la régénération axonale et la plasticité neuronale."
}
},
{
"@type": "Question",
"name": "Y a-t-il des thérapies innovantes pour les cônes de croissance ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des thérapies géniques et cellulaires sont en cours d'étude pour améliorer la régénération neuronale."
}
},
{
"@type": "Question",
"name": "Comment la réhabilitation aide-t-elle les patients ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "La réhabilitation aide à restaurer les fonctions perdues et à améliorer la qualité de vie."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec des cônes de croissance anormaux ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des troubles neurologiques, des déficits moteurs et des douleurs chroniques."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles réversibles ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines complications peuvent être atténuées par des traitements précoces et appropriés."
}
},
{
"@type": "Question",
"name": "Comment les complications affectent-elles la qualité de vie ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications peuvent réduire la qualité de vie en limitant les activités quotidiennes."
}
},
{
"@type": "Question",
"name": "Les complications neurologiques sont-elles fréquentes ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les complications neurologiques sont courantes chez les patients avec des anomalies des cônes."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles être prévenues ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines complications peuvent être prévenues par un suivi médical régulier et des interventions précoces."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque pour les anomalies des cônes de croissance ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent des antécédents familiaux, des infections prénatales et des toxines environnementales."
}
},
{
"@type": "Question",
"name": "Le tabagisme maternel est-il un facteur de risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme pendant la grossesse augmente le risque d'anomalies du développement neuronal."
}
},
{
"@type": "Question",
"name": "L'exposition à des toxines affecte-t-elle les cônes de croissance ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exposition à des toxines environnementales peut nuire au développement neuronal."
}
},
{
"@type": "Question",
"name": "Les troubles génétiques augmentent-ils le risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains troubles génétiques sont associés à des anomalies dans le développement des cônes."
}
},
{
"@type": "Question",
"name": "Le manque de soins prénatals est-il un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un manque de soins prénatals peut augmenter le risque de complications neurologiques."
}
}
]
}
]
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Attention deficit hyperactivity disorder (ADHD) is a common cognitive disorder affecting children. ADHD can interfere with educational, social, and emotional development, so early detection is essenti...
Children with ADHD often tend to underperform in school. This partial study aimed to find out if the school experience of adults with higher ADHD symptomatology differs from those with lower and no AD...
Based on the results of ASRS questionnaires, the respondents were divided into three groups (low, medium, and high) according to the manifested ADHD symptomatology. We explored their school experience...
Children with higher ADHD symptomatology were significantly more likely to be expelled, receive notes for bad behavior, disturbing or forgetting as well as receive reprimands from teachers....
Our results show that children with increased ADHD symptomatology experience more difficulties with school behavior, they are frequently reprimanded, and they do receive more negative feedback regardi...
Appropriate diagnosis of attention-deficit/hyperactivity disorder (ADHD) can improve some short-term outcomes in children and adolescents, but little is known about the association of a diagnosis with...
To compare QOL in adolescents with and without an ADHD diagnosis....
This cohort study followed an emulated target trial design using prospective, observational data from the Longitudinal Study of Australian Children, a representative, population-based prospective coho...
Incident parent-reported ADHD diagnosis at age 6 to 7, 8 to 9, 10 to 11, 12 to 13, or 14 to 15....
Quality of life at age 14 to 15 was measured with Child Health Utility 9D (CHU9D) and 8 other prespecified, self-reported measures mapped to the World Health Organization's QOL domains. Pooled regress...
Of 8643 eligible children, a total of 393 adolescents had an ADHD diagnosis (284 [72.2%] boys; mean [SD] age, 10.03 [0.30] years; mean [SD] H/I Strengths and Difficulties Questionnaire score, 5.05 [2....
In this cohort study, ADHD diagnosis was not associated with any self-reported improvements in adolescents' QOL compared with adolescents with similar levels of H/I behaviors but no ADHD diagnosis. AD...
The prevalence of attention deficit hyperactivity disorder (ADHD) in patients with epilepsy was much higher than prevalence in general population, and vice versa. The mechanisms underlying comorbid AD...
We performed a scientometric analysis of the scientific literature on ADHD to evaluate key themes and trends over the past decades, informing future lines of research. We conducted a systematic search...
To evaluate the acute efficacy, safety, and tolerability of lisdexamfetamine dimesylate (LDX) vs placebo (PBO) in preschool-aged children with attention-deficit/hyperactivity disorder (ADHD)....
This phase 3, double-blind, fixed-dose study randomly assigned children (aged 4-5 years) with ADHD to 6 weeks of LDX (5, 10, 20, 30 mg) or PBO. The prespecified primary (change from baseline at week 6...
The study comprised 199 participants randomly asigned 5:5:5:5:6 to receive 5, 10, 20, 30 mg LDX or PBO, respectively. Least squares (LS) mean (95% CI) treatment difference at week 6 between pooled LDX...
In children aged 4 to 5 years with ADHD, LDX was more efficacious than PBO in reducing symptoms. The observed ES for change in ADHD-RS-IV-PS-TS appears to be smaller in magnitude than has been reporte...
Safety and Efficacy Study in Preschool Children Aged 4-5 Years With Attention-Deficit/Hyperactivity Disorder; http://www....
gov; NCT03260205....
The purpose of the current study was to examine the prevalence of attention deficit hyperactivity disorder (ADHD) in girls with central precocious puberty....
Girls with central precocious puberty were prospectively recruited from the pediatric clinic. Screening was done with ADHD Rating Scale (ADHD-RS) and Child Behavior Checklist (CBCL). Those who screene...
Among the 81 girls (mean age = 8.97 ± 0.91) who completed the study, 11 girls (13.58%) were diagnosed with ADHD: 5 of them were inattentive type and 6 of them were combined type....
The present exploratory study showed that the prevalence of ADHD in girls with central precocious was higher than the known worldwide prevalence of ADHD in children....
Improving neurocognitive functions through remote interventions has been a promising approach to developing new treatments for attention-deficit/hyperactivity disorder (AD/HD). Remote neurocognitive i...
Changes in protein glycosylation are associated with most biological processes, and the importance of glycomic analysis in the research of disorders is constantly increasing, including in the neurodev...
Few longitudinal studies have investigated whether white matter development reflects differential outcomes for children with and without attention-deficit/hyperactivity disorder (ADHD). To examine whe...
Participants (mean age at wave 1 = 10.39 years, scan interval = 18 months) underwent up to 3 magnetic resonance imaging assessments. White matter tracts were reconstructed using TractSeg, a semiautoma...
Compared with the non-ADHD group, the remitted and persistent ADHD groups showed accelerated fiber development in thalamic pathways, striatal pathways, and the superior longitudinal fasciculus. In the...
These results suggest that variations in white matter development are associated with different clinical trajectories in ADHD. The findings advance our understanding of the neurobiological mechanisms ...