questionsmedicales.fr
Phénomènes physiologiques de l'appareil locomoteur et du système nerveux
Phénomènes physiologiques du système nerveux
Transmission synaptique
Transmission synaptique : Questions médicales fréquentes
Termes MeSH sélectionnés :
Blood Component Transfusion
Diagnostic
5
Dysfonctionnement synaptique
Électrophysiologie
IRM fonctionnelle
Électroencéphalogramme
Troubles de la mémoire
Convulsions
Microscopie à fluorescence
Transmission synaptique
Synaptophysine
Marqueurs biologiques
Symptômes
5
Troubles cognitifs
Spasmes musculaires
Dépression
Plasticité synaptique
Troubles de l'humeur
Neurotransmetteurs
Tremblements
Troubles de la coordination
Fatigue chronique
Transmission synaptique
Prévention
5
Mode de vie sain
Alimentation équilibrée
Stress chronique
Plasticité synaptique
Exercice physique
Santé neuronale
Sommeil
Régénération synaptique
Méditation
Plasticité synaptique
Traitements
5
Antidépresseurs
Nootropiques
Thérapie cognitive
Plasticité synaptique
Suppléments alimentaires
Oméga-3
Stimulation cérébrale
Connexions synaptiques
Thérapies comportementales
Plasticité synaptique
Complications
5
Troubles neurologiques
Crises
Maladies neurodégénératives
Alzheimer
Troubles de l'apprentissage
Transmission synaptique
Troubles psychotiques
Neurotransmetteurs
Schizophrénie
Dysfonctionnements synaptiques
Facteurs de risque
5
Tabagisme
Fonction synaptique
Maladies chroniques
Diabète
Inactivité physique
Santé cognitive
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"name": "Comment diagnostiquer un dysfonctionnement synaptique ?",
"position": 1,
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"text": "Des tests électrophysiologiques et des imageries cérébrales peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "Quels examens sont utilisés pour évaluer la transmission synaptique ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IRM fonctionnelle et l'électroencéphalogramme (EEG) sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent un problème de transmission synaptique ?",
"position": 3,
"acceptedAnswer": {
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"text": "Des troubles de la mémoire, des convulsions ou des changements de comportement peuvent survenir."
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"@type": "Question",
"name": "Peut-on mesurer la transmission synaptique directement ?",
"position": 4,
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"text": "Oui, des techniques comme la microscopie à fluorescence permettent d'observer la transmission."
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"name": "Quels marqueurs biologiques sont associés à la transmission synaptique ?",
"position": 5,
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"@type": "Answer",
"text": "Des protéines comme la synaptophysine peuvent servir de marqueurs pour la synapse."
}
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{
"@type": "Question",
"name": "Quels symptômes sont liés à une transmission synaptique altérée ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes incluent des troubles cognitifs, des spasmes musculaires et des douleurs."
}
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"@type": "Question",
"name": "Comment la dépression affecte-t-elle la transmission synaptique ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "La dépression peut réduire la plasticité synaptique, affectant la communication neuronale."
}
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{
"@type": "Question",
"name": "Les troubles de l'humeur sont-ils liés à la transmission synaptique ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent provoquer des troubles de l'humeur."
}
},
{
"@type": "Question",
"name": "Quels signes neurologiques peuvent indiquer un problème synaptique ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes incluent des tremblements, des troubles de la coordination et des réflexes anormaux."
}
},
{
"@type": "Question",
"name": "La fatigue chronique est-elle liée à la transmission synaptique ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies dans la transmission synaptique peuvent contribuer à la fatigue chronique."
}
},
{
"@type": "Question",
"name": "Comment prévenir les troubles de la transmission synaptique ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sain, incluant une alimentation équilibrée et de l'exercice, est essentiel."
}
},
{
"@type": "Question",
"name": "Le stress affecte-t-il la transmission synaptique ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress chronique peut altérer la transmission synaptique et la plasticité."
}
},
{
"@type": "Question",
"name": "L'exercice physique influence-t-il la transmission synaptique ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exercice régulier favorise la santé neuronale et la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Les habitudes de sommeil affectent-elles la transmission synaptique ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un sommeil de qualité est crucial pour la régénération synaptique et cognitive."
}
},
{
"@type": "Question",
"name": "La méditation peut-elle améliorer la transmission synaptique ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la méditation peut augmenter la plasticité synaptique et réduire le stress."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour améliorer la transmission synaptique ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des médicaments comme les antidépresseurs et les nootropiques peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "La thérapie cognitive peut-elle aider la transmission synaptique ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut améliorer la plasticité synaptique et la fonction cognitive."
}
},
{
"@type": "Question",
"name": "Les suppléments alimentaires influencent-ils la transmission synaptique ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certains suppléments comme les oméga-3 peuvent favoriser la santé synaptique."
}
},
{
"@type": "Question",
"name": "Comment la stimulation cérébrale affecte-t-elle la transmission synaptique ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La stimulation cérébrale peut renforcer les connexions synaptiques et améliorer la fonction."
}
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"@type": "Question",
"name": "Les thérapies comportementales aident-elles la transmission synaptique ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent améliorer les interactions neuronales et la plasticité synaptique."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent résulter d'une transmission synaptique altérée ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des troubles neurologiques, des troubles de l'humeur et des crises."
}
},
{
"@type": "Question",
"name": "Les maladies neurodégénératives affectent-elles la transmission synaptique ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme Alzheimer altèrent gravement la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Comment les troubles de l'apprentissage sont-ils liés à la transmission synaptique ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des anomalies dans la transmission synaptique peuvent entraîner des difficultés d'apprentissage."
}
},
{
"@type": "Question",
"name": "Les troubles psychotiques sont-ils liés à la transmission synaptique ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des déséquilibres dans les neurotransmetteurs peuvent contribuer aux troubles psychotiques."
}
},
{
"@type": "Question",
"name": "La schizophrénie affecte-t-elle la transmission synaptique ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la schizophrénie est associée à des dysfonctionnements dans la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque influencent la transmission synaptique ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des facteurs comme l'âge, le stress et la génétique peuvent influencer la transmission."
}
},
{
"@type": "Question",
"name": "L'alimentation joue-t-elle un rôle dans la transmission synaptique ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en nutriments favorise une transmission synaptique saine."
}
},
{
"@type": "Question",
"name": "Le tabagisme affecte-t-il la transmission synaptique ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme peut altérer la fonction synaptique et augmenter le risque de troubles."
}
},
{
"@type": "Question",
"name": "Les maladies chroniques influencent-elles la transmission synaptique ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme le diabète peuvent affecter la transmission synaptique."
}
},
{
"@type": "Question",
"name": "Le manque d'activité physique est-il un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'inactivité physique peut nuire à la santé synaptique et cognitive."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 23/02/2025
Contenu vérifié selon les dernières recommandations médicales
2 publications dans cette catégorie
Affiliations :
Neuroscience Research Center, Charité-Universitätsmedizin Berlin, Berlin, Germany. dietmar.schmitz@charite.de.
Berlin Institute of Health, 10178, Berlin, Germany. dietmar.schmitz@charite.de.
German Center for Neurodegenerative Diseases (DZNE), 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Cluster of Excellence NeuroCure, 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Einstein Center for Neurosciences Berlin, 10117, Berlin, Germany. dietmar.schmitz@charite.de.
Publications dans "Transmission synaptique" :
2 publications dans cette catégorie
Affiliations :
Department of Basic Neurosciences, Medical Faculty, University of Geneva, CH-1211 Geneva, Switzerland. christian.luscher@unige.ch.
Clinic of Neurology, Department of Clinical Neurosciences, Geneva University Hospital, CH-1211 Geneva, Switzerland.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Nanobiology Institute and Department of Cell Biology, Yale University, New Haven, CT, USA.
Laboratoire de Physique de l'Ecole Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université Paris Cité, Paris, France.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, University of California, San Diego, La Jolla, United States.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, University of California, San Diego, La Jolla, United States.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Mathematics and Statistics, Université Laval, Québec City, QC, Canada.
Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Physics, Université Laval, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Mathematics and Statistics, Université Laval, Québec City, QC, Canada.
CERVO Brain Research Centre, Québec City, QC, Canada.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Pharmacology, School of Medicine, Vanderbilt University, Nashville, TN, 37240-7933, USA. Electronic address: natali.chanaday@vanderbilt.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Pharmacology, School of Medicine, Vanderbilt University, Nashville, TN, 37240-7933, USA; Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, 37240-7933, USA. Electronic address: ege.kavalali@vanderbilt.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Neurobiology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, 111 TW Alexander Dr., P.O. Box 12233, Mail Drop F2-08, Research Triangle Park, NC, 27709, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Neurobiology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, 111 TW Alexander Dr., P.O. Box 12233, Mail Drop F2-08, Research Triangle Park, NC, 27709, USA. yakel@niehs.nih.gov.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, USA.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, USA. Electronic address: ryan.hibbs@utsouthwestern.edu.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
Laboratorio de Neurofisiología del desarrollo y la neurodegeneración, Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores, Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, México. Electronic address: aehe67@gmail.com.
Publications dans "Transmission synaptique" :
1 publication dans cette catégorie
Affiliations :
School of Advanced Science and Engineering, Department of Electrical Engineering and Biosciences, Waseda University, Tokyo, Japan.
Department of Neurophysiology, Keio University School of Medicine, Tokyo, Japan.
Japan Science and Technology Agency, PRESTO, Kawaguchi, Saitama, Japan.
Laboratory for Developmental Neurobiology, RIKEN Center for Brain Science, Wako, Japan.
Publications dans "Transmission synaptique" :
The current implementation of Pathogen Reduction Technologies (PRTs) offers advantages and disadvantages to transfusion medicine. PRT rollout may significantly reduce the incidence of transfusion-tran...
It remains unclear whether the association between balanced blood component transfusion and lower mortality is generalizable to trauma patients receiving varying transfusion volumes. We sought to stud...
Adult patients in the 2013 to 2018 American College of Surgeons Trauma Quality Improvement Program database receiving ≥6 red blood cell, ≥1 platelet, and ≥1 fresh frozen plasma within 4 hours were inc...
A total of 14,549 patients were included. In patients receiving 6 to 10 units of red blood cells, red blood cell:platelet ratios were not associated with 4-hour mortality, and only red blood cell:fres...
The association between balanced blood component transfusion and 4-hour mortality is not homogenous in trauma patients requiring different transfusion volumes and is specifically less evident in patie...
to investigate the influence of the leukoreduction moment (preor post-storage) of blood components on the clinical outcomes of patients transfused in the emergency department....
retrospective cohort study of patients aged 18 years or older who received preor post-storage leukoreduced red blood cell or platelet concentrate in the emergency department and remained in the instit...
in a sample of 373 patients (63.27% male, mean age 54.83) and 643 transfusions (69.98% red blood cell), it was identified that the leukoreduction moment influenced the length of hospital stay (p<0.009...
patients who received pre-storage leukoreduced blood components in the emergency department had a shorter length of hospital stay....
Blood component resuscitation is associated with hypocalcemia (HC) (iCal <0.9 mmol/L) that contributes to coagulopathy and death in trauma patients. It is unknown whether or not whole blood (WB) resus...
This is a retrospective review of all adult trauma patients who received WB from July 2018 to December 2020. Variables included transfusions, ionized calcium levels, and calcium replacement. Patients ...
Two hundred twenty-three patients received WB and met the inclusion criteria. 107 (48%) received WB only. HC occurred in 13% of patients who received more than one WB unit compared to 29% of WB and ot...
HC and failure to correct HC are significant risk factors for mortality in trauma. Resuscitations with WB only and WB in combination with other blood components are associated with HC especially when ...
Blood component transfusion is a common intervention in the neonatal intensive care unit (NICU). Parents consent on their babies' behalf. This study aimed to explore parents' understandings and experi...
A "low inference" qualitative descriptive semi-structured interview approach was utilised. Grounded theory was employed. Parents described their memories of babies' transfusions, their responses to th...
A purposive sample of 17 parents whose babies required blood transfusion in the NICU participated. Parents talked about their initial fears of transfusion, later replaced by confidence in the process ...
Parents in our study trust information from the healthcare professionals caring for their baby and would like more specific information about how blood transfusion will impact their baby, in a variety...
The transfusion of blood products is a life-saving clinical practice in patients with bleeding, hemoglobinopathy, and cancer. It was aimed herein to analyze the frequency and types of blood component-...
This retrospective study was conducted at a tertiary care academic pediatric hospital....
During the study period, 30,811 transfusions were administered to 25,448 patients. There were 103 ATRs detected in 81 patients (0.33%; 3.34 reactions per 1000 transfusions, mean age 8.3 ± 5.98 years, ...
Within our hospital, pediatric hematology-oncology wards and the stem cell transplantation unit had the most frequent ATR reports; therefore, when transfusions are carried out, increased attention sho...
With the emergence of whole blood (WB) in trauma resuscitation, cost-related comparisons are of significant importance to providers, blood banks, and hospital systems throughout the country. The objec...
A retrospective review of adult and pediatric trauma patients who received either LTO+WB or CT from time of injury to within 4 hours of arrival was performed. Annual mean cost per unit of blood produc...
Prehospital LTO+WB transfusion began at this institution in January 2018. After the initiation of the WB transfusion, the mean annual cost decreased 17.3% for all blood products, and the average net d...
With increased use of LTO+WB for resuscitation, cost comparison is of significant importance to all stakeholders. Low titer O+ WB was associated with reduced cost in severely injured patients. Ongoing...
Therapeutic/Care Management; Level IV....
Although it remains controversial, premedication before transfusion is a common clinical practice to prevent transfusion-associated adverse reactions (TAARs) in Taiwan. Thus, we aimed to investigate w...
Clinical data from outpatients receiving transfusion therapy, including predisposing diseases, histories of transfusion and TAARs, premedication and the occurrence of TAARs in the period April 2017 to...
A total of 5018 blood units were transfused to 803 outpatients, with 2493 transfusion events reported in the study interval. The most frequently transfused component was leukocyte-reduced packed red c...
Decreased premedication was not associated with increased incidence of TAARs in outpatients; these findings provide important evidence to support the need to revise clinical practices in the era of le...
To determine the existence of guidelines regarding the appropriate clinical use of blood and blood components, transfusion requests, and blood issuing/reception documents and procedures. The different...
This systematic review and meta-analysis was conducted to compare outcomes, including transfusion volume, complications, intensive care unit length of stay, and mortality for adult civilian trauma pat...
A systematic review and meta-analysis were conducted using studies that evaluated outcomes of transfusion of WB, COMP, or WB + COMP for adult civilian trauma patients. A search of PubMed, Embase, and ...
This study identified an increased risk of 24-h mortality with COMP versus WB + COMP (relative risk: 1.40 [1.10, 1.78]) and increased transfusion volumes of red blood cells with COMP versus WB at 6 an...
Transfusion with WB + COMP is associated with lower 24-h mortality versus COMP and transfusion with WB is associated with a lower volume of red blood cells transfused at both 6 and 24 h. Based on thes...