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Métabolisme
Désalkylation
Désalkylation : Questions médicales fréquentes
Termes MeSH sélectionnés :
Noninvasive Prenatal Testing
Diagnostic
5
Désalkylation
Tests biochimiques
Anomalies hépatiques
Désalkylation
Imagerie médicale
Désalkylation
Enzymes hépatiques
Désalkylation
Symptômes
5
Nausées
Douleurs abdominales
Effets neurologiques
Désalkylation
Éruptions cutanées
Désalkylation
Hépatotoxicité
Désalkylation
Prévention
5
Prévention
Substances chimiques
Contrôles médicaux
Désalkylation
Éducation des patients
Médicaments
Mode de vie
Complications
Professionnels de santé
Interactions médicamenteuses
Traitements
5
Antidotes
Soins de soutien
Antiémétiques
Analgésiques
Prévention
Substances toxiques
Complications
5
Lésions hépatiques
Troubles neurologiques
Maladies chroniques
Cirrhose
Réversibilité
Traitement précoce
Surveillance clinique
Tests de laboratoire
Facteurs de risque
5
Facteurs de risque
Antécédents hépatiques
Habitudes alimentaires
Toxines
Tabagisme
Substances nocives
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"description": "Comment diagnostiquer une désalkylation ?\nQuels tests sont utilisés pour la désalkylation ?\nQuels signes indiquent une désalkylation ?\nLa désalkylation est-elle détectable par imagerie ?\nQuels marqueurs sont associés à la désalkylation ?",
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}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour la désalkylation ?",
"position": 2,
"acceptedAnswer": {
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"text": "Des tests de toxicologie et des analyses enzymatiques sont couramment utilisés."
}
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{
"@type": "Question",
"name": "Quels signes indiquent une désalkylation ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes cliniques comme des anomalies hépatiques peuvent indiquer une désalkylation."
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{
"@type": "Question",
"name": "La désalkylation est-elle détectable par imagerie ?",
"position": 4,
"acceptedAnswer": {
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"text": "Non, la désalkylation est généralement évaluée par des tests biochimiques, pas par imagerie."
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"@type": "Question",
"name": "Quels marqueurs sont associés à la désalkylation ?",
"position": 5,
"acceptedAnswer": {
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"text": "Les marqueurs comme les enzymes hépatiques peuvent être augmentés lors de la désalkylation."
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"@type": "Question",
"name": "Quels symptômes sont liés à la désalkylation ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes peuvent inclure des nausées, des vomissements et des douleurs abdominales."
}
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{
"@type": "Question",
"name": "La désalkylation provoque-t-elle des effets neurologiques ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des effets neurologiques comme des vertiges peuvent survenir en cas de désalkylation."
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{
"@type": "Question",
"name": "Y a-t-il des symptômes cutanés associés ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des éruptions cutanées peuvent apparaître en raison de réactions aux métabolites de désalkylation."
}
},
{
"@type": "Question",
"name": "La désalkylation affecte-t-elle le foie ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut entraîner des anomalies hépatiques et une hépatotoxicité."
}
},
{
"@type": "Question",
"name": "Quels signes de toxicité sont observés ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des signes de toxicité incluent fatigue, confusion et jaunisse dans les cas graves."
}
},
{
"@type": "Question",
"name": "Comment prévenir la désalkylation ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter l'exposition à des substances chimiques et suivre les prescriptions médicales aide."
}
},
{
"@type": "Question",
"name": "Les contrôles médicaux aident-ils à prévenir la désalkylation ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des contrôles réguliers peuvent détecter des problèmes avant qu'ils ne deviennent graves."
}
},
{
"@type": "Question",
"name": "L'éducation des patients est-elle importante ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, informer les patients sur les risques des médicaments et des toxines est crucial."
}
},
{
"@type": "Question",
"name": "Les changements de mode de vie aident-ils ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Adopter un mode de vie sain peut réduire le risque de désalkylation et de complications."
}
},
{
"@type": "Question",
"name": "Les professionnels de santé jouent-ils un rôle ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les professionnels de santé doivent surveiller les interactions médicamenteuses et les risques."
}
},
{
"@type": "Question",
"name": "Quel traitement pour une désalkylation toxique ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le traitement peut inclure des soins de soutien et des antidotes spécifiques selon le toxique."
}
},
{
"@type": "Question",
"name": "Les médicaments peuvent-ils aider à la désalkylation ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains médicaments peuvent faciliter le métabolisme et l'élimination des toxines."
}
},
{
"@type": "Question",
"name": "Comment gérer les symptômes de désalkylation ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "La gestion des symptômes inclut des antiémétiques et des analgésiques pour le confort."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements préventifs ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter les substances toxiques et surveiller les médicaments peut prévenir la désalkylation."
}
},
{
"@type": "Question",
"name": "La désalkylation nécessite-t-elle une hospitalisation ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Cela dépend de la gravité des symptômes et de l'exposition aux toxines, parfois nécessaire."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des lésions hépatiques, des troubles neurologiques et des réactions allergiques."
}
},
{
"@type": "Question",
"name": "La désalkylation peut-elle entraîner des maladies chroniques ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une désalkylation sévère peut contribuer à des maladies chroniques comme la cirrhose."
}
},
{
"@type": "Question",
"name": "Y a-t-il des risques de surdosage ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un surdosage de substances pouvant subir désalkylation peut être fatal."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles réversibles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines complications peuvent être réversibles avec un traitement précoce, d'autres non."
}
},
{
"@type": "Question",
"name": "Comment surveiller les complications ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "La surveillance clinique et les tests de laboratoire réguliers sont essentiels pour détecter les complications."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque de désalkylation ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'exposition à des toxines, l'usage de certains médicaments et des antécédents hépatiques."
}
},
{
"@type": "Question",
"name": "L'âge influence-t-il le risque de désalkylation ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes âgées peuvent avoir un risque accru en raison d'une fonction hépatique diminuée."
}
},
{
"@type": "Question",
"name": "Les habitudes alimentaires affectent-elles le risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation riche en toxines ou en médicaments peut augmenter le risque de désalkylation."
}
},
{
"@type": "Question",
"name": "Le tabagisme est-il un facteur de risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme peut augmenter le risque de désalkylation en raison de l'exposition à des substances nocives."
}
},
{
"@type": "Question",
"name": "Les maladies préexistantes influencent-elles le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme l'hépatite ou la cirrhose augmentent le risque de désalkylation."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 22/02/2025
Contenu vérifié selon les dernières recommandations médicales
2 publications dans cette catégorie
Affiliations :
Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109-0600.
Publications dans "Désalkylation" :
2 publications dans cette catégorie
Affiliations :
Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109-0600.
Publications dans "Désalkylation" :
2 publications dans cette catégorie
Affiliations :
Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109-0600. Electronic address: pjobrien@umich.edu.
Publications dans "Désalkylation" :
2 publications dans cette catégorie
Affiliations :
Department of Hospital Pharmacy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan.
Publications dans "Désalkylation" :
2 publications dans cette catégorie
Affiliations :
Department of Hospital Pharmacy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan. naitou@shinshu-u.ac.jp.
Department of Pharmacy, Shinshu University Hospital, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan. naitou@shinshu-u.ac.jp.
Publications dans "Désalkylation" :
2 publications dans cette catégorie
Affiliations :
Department of Hospital Pharmacy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan.
Publications dans "Désalkylation" :
2 publications dans cette catégorie
Affiliations :
Department of Hospital Pharmacy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Kodikos Laboratories, Institut Cochin, Paris 75014, France.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Kodikos Laboratories, Institut Cochin, Paris 75014, France.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, A Deusinglaan 1, 9713 AV, Groningen, The Netherlands.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Chemical Engineering, Engineering and Technology Institute Groningen, University of Groningen, 9747 AG, Groningen, The Netherlands.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Drug Design, University of Groningen, A Deusinglaan 1, 9713 AV, Groningen, The Netherlands.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, A Deusinglaan 1, 9713 AV, Groningen, The Netherlands.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, A Deusinglaan 1, 9713 AV, Groningen, The Netherlands.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Chemical Engineering, Engineering and Technology Institute Groningen, University of Groningen, 9747 AG, Groningen, The Netherlands.
Publications dans "Désalkylation" :
1 publication dans cette catégorie
Affiliations :
Department of Drug Design, University of Groningen, A Deusinglaan 1, 9713 AV, Groningen, The Netherlands.
Publications dans "Désalkylation" :
To investigate factors involved in the decision to decline prenatal screening with noninvasive prenatal testing (NIPT)....
A questionnaire study was conducted among 219 pregnant women in the Netherlands who had declined prenatal screening with NIPT (TRIDENT-2 study). Respondents were selectively recruited from three hospi...
Most respondents (77.2%) found the decision to decline NIPT easy to make, and 59.8% had already made the decision before information about NIPT was offered. These respondents were more often religious...
The primary factors involved in the decision to decline NIPT were related to personal values and beliefs, consistent with autonomous choice. Out-of-pocket costs of NIPT hinder equal access for some pr...
In the setting of a normal first-trimester ultrasound, an amniocentesis may be a better option than chorionic villous sampling for invasive diagnostic testing after a cell-free DNA high risk for triso...
To report a rare type of Pallister-Killian syndrome (PKS) diagnosed prenatally by the utility of non-invasive prenatal testing (NIPT)....
NIPT was performed in the first trimester. Conventional karyotyping and chromosomal microarray analysis (CMA) were performed on the amniotic samples in the second trimester. Copy number variation sequ...
NIPT results showed increased signal from chromosome 12p. Subsequent prenatal diagnostic testing by karyotype revealed 47, XY, +i (12p), and CMA displayed four copies of 12p: 12p13.33-12p11.1(173786_3...
Our findings suggest that a positive signal from chromosome 12p on NIPT should raise suspicion for PKS. With the wide application of NIPT, the true positive of incidental finding is expected to increa...
The purpose of this study was to evaluate the performance of noninvasive prenatal testing (NIPT) for the detection of chromosomal aneuploidies and copy number variations (CNVs) in twin pregnancies....
A cohort of 2010 women with twin pregnancies was recruited. 1331 patients opted for NIPT, and 679 patients opted for expanded NIPT (NIPT-plus). All high-risk patients were advised to undergo invasive ...
Twenty-two cases were predicted to have a high risk of chromosome abnormalities by NIPT, of which 14 pregnant women underwent invasive prenatal diagnosis. The 14 cases included 3 cases of trisomy 21, ...
The NIPT/NIPT-plus has excellent performance in the detection of chromosome aneuploidies in twin pregnancies. But for CNVs, the effectiveness of NIPT is poor, and the NIPT-plus have a certain detectio...
Noninvasive prenatal testing (NIPT) is the testing of blood samples from pregnant women to screen for fetal risk of chromosomal disorders. Even though in vitro hemolysis of blood specimens is common i...
Peripheral blood samples were collected from 205 pregnant women and categorized according to the concentration of free hemoglobin in the plasma. After performing NIPT using massively parallel sequenci...
The specimens were divided into four groups based on the concentration of free hemoglobin: Group I (0-1 g/L, n = 53), Group II (1-2 g/L, n = 97), Group III (2-4 g/L, n = 30), and Group IV (> 4 g/L, n ...
For NIPT using massively parallel sequencing, samples with slight or moderate hemolysis (≤ 4 g/L) are acceptable. However, careful consideration should be taken regarding the use of severely hemolyzed...
To evaluate the value of noninvasive prenatal testing (NIPT) in the screening of rare autosomal abnormalities and provide further support for the clinical application of NIPT....
A total of 81,518 pregnant women who underwent NIPT at the Anhui Maternal and Child Health Hospital between May 2018 and March 2022 were selected. The high-risk samples were analyzed using amniotic fl...
NIPT detected 292 cases (0.36%) with rare autosomal abnormalities among the 81,518 cases sampled. Of these, 140 (0.17%) showed rare autosomal trisomies (RATs), and 102 of these patients agreed to unde...
NIPT is not recommended for screening for RATs. However, considering that positive results are associated with an increased risk of IUGR and PTB, additional fetal ultrasound examination should be perf...
Numerous diseases and disorders are associated with mitochondrial DNA (mtDNA) mutations, among which m.1555A > G and m.1494C > T mutations in the 12 S ribosomal RNA gene contribute to aminoglycoside-i...
A total of 76,842 qualified non-invasive prenatal (NIPT) samples were subjected to mtDNA mutation and haplogroup analysis....
We detected 181 m.1555A > G and m.1494C > T mutations, 151 of which were subsequently sequenced for full-length mitochondrial genome verification. The positive predictive values for the m.1555A > G an...
Our findings indicate that the non-invasive prenatal testing of cell-free DNA obtained from maternal plasma can successfully detect m.1555A > G and m.1494C > T mutations....
Early and intermediate serological screening cannot detect sex chromosome abnormalities. Currently, noninvasive prenatal testing (NIPT) is the only procedure available for screening such disorders; ho...
A total of 47,855 pregnant women underwent NIPT at our referral center from January 2014 to December 2020. Of the 314 patients with a positive NIPT indicating sex chromosome abnormalities, 260 were sc...
Improvements in detection and analytical technologies are needed to increase the accuracy of sex chromosome abnormalities detection. Pregnant women with a positive NIPT for these abnormalities may req...
Complete chromosome 9 trisomy (T9) is a rare and fatal chromosomal disorder. We performed non-invasive prenatal testing (NIPT) in a patient with threatened abortion symptoms and found that the fetal w...
Today the challenge in paternity testing is to provide an accurate noninvasive assay that can be performed early during pregnancy. This requires the use of novel analytical methods capable of detectin...