Les complications varient-elles selon la substance ?
Oui, les complications dépendent de la nature de la substance et de la dose reçue.
VariabilitéSubstancesComplications
#5
Quels sont les risques de réexposition ?
La réexposition peut aggraver les complications et augmenter le risque de maladies chroniques.
RéexpositionRisquesMaladies chroniques
Facteurs de risque
5
#1
Quels sont les facteurs de risque d'intoxication ?
Les facteurs incluent l'âge, le sexe, l'état de santé et l'environnement de travail.
Facteurs de risqueÂgeEnvironnement de travail
#2
Les travailleurs sont-ils plus à risque ?
Oui, les travailleurs exposés à des produits chimiques sont souvent à risque accru d'intoxication.
TravailleursExpositionIntoxication
#3
Comment l'âge influence-t-il le risque d'intoxication ?
Les jeunes enfants et les personnes âgées sont plus vulnérables aux effets toxiques.
ÂgeVulnérabilitéToxicité
#4
Les maladies préexistantes augmentent-elles le risque ?
Oui, certaines maladies peuvent rendre les individus plus sensibles aux effets toxiques.
Maladies préexistantesSensibilitéToxicité
#5
L'environnement joue-t-il un rôle dans l'intoxication ?
Oui, un environnement pollué ou des conditions de travail dangereuses augmentent le risque.
EnvironnementPollutionConditions de travail
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"name": "Comment évaluer la DL50 d'une substance ?",
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"@type": "Question",
"name": "Quels tests sont utilisés pour mesurer la DL50 ?",
"position": 2,
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"@type": "Question",
"name": "La DL50 est-elle la même pour tous les organismes ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, la DL50 varie selon l'espèce, le sexe et l'âge des organismes testés."
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{
"@type": "Question",
"name": "Quels facteurs influencent la DL50 ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "La DL50 peut être influencée par la voie d'exposition, la durée et la sensibilité individuelle."
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"@type": "Question",
"name": "Comment la DL50 est-elle utilisée en recherche ?",
"position": 5,
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"@type": "Question",
"name": "Quels symptômes indiquent une exposition à une DL50 ?",
"position": 6,
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"text": "Les symptômes peuvent inclure des nausées, vomissements, convulsions et coma."
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{
"@type": "Question",
"name": "Les symptômes varient selon la substance ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes dépendent de la nature de la substance toxique et de la dose."
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"@type": "Question",
"name": "Peut-on prédire les symptômes d'une DL50 ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des modèles précliniques peuvent aider à prédire les symptômes, mais il y a des variations."
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{
"@type": "Question",
"name": "Quels sont les signes d'une intoxication aiguë ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les signes incluent des troubles respiratoires, des douleurs abdominales et des troubles neurologiques."
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{
"@type": "Question",
"name": "Comment reconnaître une intoxication par un produit chimique ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "La reconnaissance repose sur l'historique d'exposition et l'apparition rapide des symptômes."
}
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{
"@type": "Question",
"name": "Comment prévenir l'exposition à des substances toxiques ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utiliser des équipements de protection, suivre les protocoles de sécurité et éduquer le personnel."
}
},
{
"@type": "Question",
"name": "Quelles sont les mesures de sécurité en laboratoire ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les mesures incluent l'utilisation de hottes, de gants et de formation sur les risques chimiques."
}
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{
"@type": "Question",
"name": "Les réglementations aident-elles à prévenir les intoxications ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les réglementations sur l'utilisation des produits chimiques aident à réduire les risques."
}
},
{
"@type": "Question",
"name": "Comment éduquer sur les dangers des substances toxiques ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des formations régulières et des affichages d'information peuvent sensibiliser aux dangers."
}
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{
"@type": "Question",
"name": "Les étiquettes de produits chimiques sont-elles importantes ?",
"position": 15,
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"@type": "Answer",
"text": "Oui, elles fournissent des informations essentielles sur les dangers et les mesures de sécurité."
}
},
{
"@type": "Question",
"name": "Quel est le traitement d'une intoxication aiguë ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement inclut l'élimination de la substance, le soutien des fonctions vitales et des antidotes si disponibles."
}
},
{
"@type": "Question",
"name": "Les antidotes sont-ils toujours efficaces ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, l'efficacité des antidotes dépend de la substance et du moment de l'administration."
}
},
{
"@type": "Question",
"name": "Comment gérer une exposition à une DL50 ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il faut contacter un centre antipoison et suivre les protocoles d'urgence appropriés."
}
},
{
"@type": "Question",
"name": "Quels soins sont nécessaires après une exposition ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des soins de soutien, une surveillance continue et des traitements spécifiques peuvent être nécessaires."
}
},
{
"@type": "Question",
"name": "La décontamination est-elle nécessaire ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la décontamination est souvent nécessaire pour réduire l'absorption de la substance toxique."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir après une intoxication ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des lésions organiques, des troubles neurologiques et des infections."
}
},
{
"@type": "Question",
"name": "Les effets à long terme sont possibles ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines substances peuvent causer des effets à long terme, comme des cancers ou des troubles chroniques."
}
},
{
"@type": "Question",
"name": "Comment surveiller les complications post-intoxication ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une surveillance médicale régulière est nécessaire pour détecter les complications précoces."
}
},
{
"@type": "Question",
"name": "Les complications varient-elles selon la substance ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les complications dépendent de la nature de la substance et de la dose reçue."
}
},
{
"@type": "Question",
"name": "Quels sont les risques de réexposition ?",
"position": 25,
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},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque d'intoxication ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge, le sexe, l'état de santé et l'environnement de travail."
}
},
{
"@type": "Question",
"name": "Les travailleurs sont-ils plus à risque ?",
"position": 27,
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"@type": "Question",
"name": "Comment l'âge influence-t-il le risque d'intoxication ?",
"position": 28,
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"@type": "Question",
"name": "Les maladies préexistantes augmentent-elles le risque ?",
"position": 29,
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"@type": "Question",
"name": "L'environnement joue-t-il un rôle dans l'intoxication ?",
"position": 30,
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"@type": "Answer",
"text": "Oui, un environnement pollué ou des conditions de travail dangereuses augmentent le risque."
}
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Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, No. 6, Shuangyong Road, 530021, Nanning, Guangxi Zhuang Autonomous Region, China.
Departamento de Farmacoloxía, Farmacia e Tecnología Farmacéutica, Facultade de Veterinaria, Universidade de Santiago de Compostela, Lugo, 27002, Spain. Electronic address: andrea.boente.juncal@usc.es.
Departamento de Farmacoloxía, Farmacia e Tecnología Farmacéutica, Facultade de Veterinaria, Universidade de Santiago de Compostela, Lugo, 27002, Spain. Electronic address: mdelcarmen.vale@usc.es.
Departamento de Fisioloxía, Facultade de Veterinaria, Universidade de Santiago de Compostela, Lugo, 27002, Spain. Electronic address: merchi.camina@usc.es.
Departamento de Anatomía, Producción Animal y Ciencias Clínicas Veterinarias, Facultad de Veterinaria, Universidade de Santiago de Compostela, Lugo, 27002, Spain. Electronic address: m.cifuentes@usc.es.
Departamento de Fisioloxía, Facultade de Veterinaria, Universidade de Santiago de Compostela, Lugo, 27002, Spain. Electronic address: mmercedes.rodriguez@usc.es.
Departamento de Farmacoloxía, Farmacia e Tecnología Farmacéutica, Facultade de Veterinaria, Universidade de Santiago de Compostela, Lugo, 27002, Spain. Electronic address: luis.botana@usc.es.
Centre for Children's Burns and Trauma Research, Centre for Children's Health Research, School of Biomedical Sciences, Queensland University of Technology, 62 Graham St, South Brisbane, QLD, 4101, Australia.
Faculty of Medicine and Children's Health Research Centre, Centre for Children's Burns and Trauma Research, Centre for Children's Health Research, The University of Queensland, 62 Graham St, South Brisbane, QLD, 4101, Australia.
Centre for Children's Burns and Trauma Research, Centre for Children's Health Research, School of Biomedical Sciences, Queensland University of Technology, 62 Graham St, South Brisbane, QLD, 4101, Australia.
The measurement and simulation of corneal and lenticular curvature radii using a single swept-source biometry device enables a more thorough evaluation of the shape and refractive power of the cornea ...
This study aimed to evaluate the distribution characteristics of corneal and lenticular parameters in Chinese children with myopia and explored their association with other ocular components....
In this cross-sectional study, all ocular biometric parameters were measured using a Zeiss IOLMaster 700 Biometry. Simulations of the corneal and lenticular curvature radii were implemented using a cu...
In total, 119 children with myopia were recruited. Boys had a deeper anterior chamber and longer axial length (AL) than girls, while girls had steeper anterior corneal and lenticular curvatures and gr...
AL is the most influential factor in the determination of spherical equivalent refractive error, while decreases in both corneal and crystalline lens power are significantly inversely correlated with ...
To determine the utility of Split-Window optical coherence tomography OCT (SW-OCT) biometry in measuring ocular axial dimensions as well as imaging the intraocular lens (IOL) and posterior capsule in ...
Sixty-nine pseudophakic eyes of 69 subjects were enrolled in the study. The results of SW-OCT biometry implemented in the SD OCT device for posterior and anterior segment imaging (REVO NX, Optopol Tec...
The correlation between measurements obtained with SW-OCT and SS-OCT was very high (ICC for: axial length (AL) = 1.000; anterior chamber depth (ACD) = 0.997; IOL thickness (IOL LT) = 0.997; central co...
The study shows small, non-significant differences between the biometric measurements obtained with REVO NX SW-OCT and IOLMaster 700 SS-OCT in pseudophakic eyes. However, SW-OCT offered significantly ...
To investigate biometric factors of the anterior segment of phakic eyes with cataracts....
This population-based study included Caucasian patients with cataracts in the University Eye Hospital, Goethe University Frankfurt, Germany. Biometric parameters were measured using the swept-source o...
In total, 6289 eyes of 3615 patients (age: 70.67 ± 8.42 years) were included. Age-related reductions in the anterior chamber depth (mean ± standard deviation) decreased from 3.26 ± 0.42 mm (group A: 5...
In the anterior segment, there are age- and sex-dependent changes in biometric parameters. In addition, changes in anterior chamber depth were noted in relation to white-to-white distance, axial lengt...
Fetal growth assessment is a key component of prenatal care. Sex-specific fetal brain nomograms on ultrasound are available and are clinically used. In recent years, the use of fetal MRI has been incr...
In this cross-sectional study, brain structures of singleton fetuses with normal brain MRI scans were analyzed: biparietal diameter, occipitofrontal diameter, trans-cerebellar diameter, and the corpus...
A total of 3848 MRI scans were performed in one tertiary medical center between 2011 and 2019; of them, 598 fetuses met the inclusion criteria, 300 males and 298 females between 28- and 37-weeks' gest...
Measuring both sexes on the same nomograms may result in over-estimation of male fetuses and under-estimation of females. We provide fetal sex-specific nomograms on two-dimensional MRI....
The anterior chamber depth in hyperopic eyes is significantly deeper than that in myopic eyes, and this finding is independent of the axial length....
This study aimed to determine the relationship between and refractive errors and ocular biometric components in a geriatric population 60 years and older....
The present population-based cross-sectional study was performed using a multistage random cluster sampling method in Tehran, Iran. After selecting the samples, visual acuity measurement, autorefracti...
The correlation coefficients of spherical equivalent with axial length, corneal radius of curvature, axial length/corneal radius of curvature ratio, and anterior chamber depth were -0.40, 0.14, -0.63,...
Among the biometric components, the axial length/corneal radius of curvature ratio has the strongest relationship with refractive errors. The anterior chamber depth is lower in myopes compared with hy...
The aim of this study was to compare the correlation of maternal visceral adiposity with sonographic variables related to fetal biometry in the second trimester of pregnancy in mothers who were previo...
This cross-sectional study included 583 pregnant women who received prenatal care between October 2011 and September 2013 at the Instituto de Medicina Integral Prof. Fernando Figueira, northeast of Br...
Maternal visceral adiposity positively correlated with fetal abdominal circumference, estimated fetal weight, head circumference, femur length, and biparietal diameter in pregnant women with obesity, ...
Maternal visceral adiposity positively correlated with fetal biometry in the second trimester of pregnancy in the same manner in pregnant women previously obese and nonobese, as well as in pregnant wo...
Ultrasound based estimation of fetal biometry is extensively used to diagnose prenatal abnormalities and to monitor fetal growth, for which accurate segmentation of the fetal anatomy is a crucial prer...
These days, accurate calculation of artificial lenses is an important aspect of patient management. In addition to the classic theoretical optical formulae there are a number of new approaches, most o...
To investigate the distribution and changes in ocular biometry in 4-to to 9-year-old Chinese children and to compare the differences between age and genders in these parameters....
This was a school-based cross-sectional study. A total of 1,528 Chinese children, aged 4-9 years, from one primary school and 12 kindergartens, were included in the study. Axial length, corneal curvat...
AL and anterior chamber depth gradually increased with age in both genders. No significant changes in corneal curvature or corneal diameter were detected at different ages in either genders group. The...
Boys had larger dimensions than girls for all ocular parameters except corneal curvature (flatter). Boys and girls showed similar trends for all parameters. Axial length and anterior chamber depth inc...
Preterm birth and cerebral hemorrhage have adverse effects on brain development. Alterations in regional brain size on magnetic resonance imaging (MRI) can be assessed using 2D biometrical analysis, a...
This retrospective study included 74 preterm neonates with intraventricular hemorrhage (IVH) born <32+0 weeks of gestation between 2011 and 2019. Cerebral MRI was performed at term-equivalent age, and...
Interhemispheric distance (IHD), the 3rd ventricle, and lateral ventricles presented larger, in contrast, cerebral biparietal width (cBPW), fronto-occipital diameter (FOD), and the length of the corpu...
Preterm neonates with IVH showed reduced total brain sizes and enlarged pericerebral spaces compared to neurologically healthy controls. Biometric analysis revealed that several 2D brain parameters as...