questionsmedicales.fr
Composés polycycliques
Composés macrocycliques
Lactames macrocycliques
Lactames macrocycliques : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Infections bactériennes
Cultures bactériennes
Antibiotiques
Tests de sensibilité
Efficacité
Cultures positives
Imagerie médicale
Infections profondes
Symptômes
5
Symptômes
Infections bactériennes
Effets secondaires
Eruptions cutanées
Réaction allergique
Démangeaisons
Prévention
5
Prophylaxie
Infections post-chirurgicales
Vaccinations
Infections bactériennes
Résistance aux antibiotiques
Prescriptions médicales
Traitements
5
Administration
Voie intraveineuse
Mécanisme d'action
Paroi cellulaire
Durée du traitement
Infections
Effets secondaires
Ajustement du traitement
Complications
5
Complications
Réactions allergiques
Surinfection
Évaluation médicale
Troubles rénaux
Surveillance
Réaction sévère
Urgence médicale
Interactions médicamenteuses
Médecin
Facteurs de risque
5
Facteurs de risque
Immunodépression
Antécédents médicaux
Allergies
Personnes âgées
Système immunitaire
Voyages
Agents pathogènes
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"@type": "Question",
"name": "Comment diagnostiquer une infection bactérienne ?",
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"text": "Le diagnostic repose sur des cultures bactériennes et des tests de sensibilité."
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},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour les lactames macrocycliques ?",
"position": 2,
"acceptedAnswer": {
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"text": "Des tests de sensibilité aux antibiotiques sont effectués pour évaluer l'efficacité."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une infection nécessitant des lactames ?",
"position": 3,
"acceptedAnswer": {
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"text": "Fièvre, douleur, inflammation et signes d'infection localisée peuvent indiquer une infection."
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"@type": "Question",
"name": "Comment évaluer l'efficacité des lactames macrocycliques ?",
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{
"@type": "Question",
"name": "Quels sont les symptômes d'une infection bactérienne ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fièvre, frissons, douleur, rougeur et gonflement au site d'infection sont fréquents."
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{
"@type": "Question",
"name": "Les lactames provoquent-ils des effets secondaires ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des effets secondaires comme des éruptions cutanées ou des troubles gastro-intestinaux peuvent survenir."
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{
"@type": "Question",
"name": "Comment reconnaître une réaction allergique ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des démangeaisons, un gonflement ou des difficultés respiratoires peuvent indiquer une allergie."
}
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{
"@type": "Question",
"name": "Quels signes d'infection nécessitent une attention médicale ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une fièvre élevée persistante ou des douleurs intenses doivent être évaluées par un médecin."
}
},
{
"@type": "Question",
"name": "Les lactames macrocycliques affectent-ils le système digestif ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent causer des nausées, vomissements ou diarrhées chez certains patients."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infections bactériennes ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une bonne hygiène, des vaccinations et un usage prudent des antibiotiques aident à prévenir."
}
},
{
"@type": "Question",
"name": "Les lactames macrocycliques sont-ils utilisés en prophylaxie ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent être utilisés en prophylaxie pour prévenir des infections post-chirurgicales."
}
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{
"@type": "Question",
"name": "Quelles mesures d'hygiène sont recommandées ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Se laver les mains régulièrement et éviter le contact avec des personnes malades sont essentiels."
}
},
{
"@type": "Question",
"name": "Les vaccinations aident-elles contre les infections ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines vaccinations peuvent réduire le risque d'infections bactériennes spécifiques."
}
},
{
"@type": "Question",
"name": "Comment éviter la résistance aux antibiotiques ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utiliser les antibiotiques uniquement lorsque nécessaire et suivre les prescriptions médicales."
}
},
{
"@type": "Question",
"name": "Comment les lactames macrocycliques sont-ils administrés ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent être administrés par voie intraveineuse ou orale, selon l'infection."
}
},
{
"@type": "Question",
"name": "Quel est le mécanisme d'action des lactames ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils inhibent la synthèse de la paroi cellulaire bactérienne, entraînant la mort des bactéries."
}
},
{
"@type": "Question",
"name": "Combien de temps dure un traitement typique ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "La durée du traitement varie, mais elle est généralement de 7 à 14 jours selon l'infection."
}
},
{
"@type": "Question",
"name": "Quels antibiotiques sont des lactames macrocycliques ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des exemples incluent la méropénème et l'imipénème, utilisés pour des infections graves."
}
},
{
"@type": "Question",
"name": "Comment gérer les effets secondaires des lactames ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il est important de signaler tout effet indésirable au médecin pour ajuster le traitement."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec les lactames ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des réactions allergiques graves ou des infections secondaires peuvent survenir."
}
},
{
"@type": "Question",
"name": "Comment gérer une surinfection ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une évaluation médicale est nécessaire pour ajuster le traitement et cibler la nouvelle infection."
}
},
{
"@type": "Question",
"name": "Les lactames peuvent-ils causer des troubles rénaux ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains lactames peuvent affecter la fonction rénale, nécessitant une surveillance."
}
},
{
"@type": "Question",
"name": "Quels sont les signes d'une réaction sévère ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes comme des difficultés respiratoires ou un gonflement du visage nécessitent une urgence."
}
},
{
"@type": "Question",
"name": "Les lactames macrocycliques peuvent-ils interagir avec d'autres médicaments ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent interagir avec d'autres médicaments, il est donc important d'informer le médecin."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque d'infection ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'immunodépression, le diabète et les interventions chirurgicales augmentent le risque."
}
},
{
"@type": "Question",
"name": "Les antécédents d'allergies influencent-ils le traitement ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents d'allergies aux antibiotiques peuvent limiter les options de traitement."
}
},
{
"@type": "Question",
"name": "Le mode de vie affecte-t-il le risque d'infection ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un mode de vie sédentaire et une mauvaise alimentation peuvent augmenter le risque."
}
},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles plus à risque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes âgées ont un système immunitaire affaibli, les rendant plus vulnérables."
}
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{
"@type": "Question",
"name": "Les voyages augmentent-ils le risque d'infections ?",
"position": 30,
"acceptedAnswer": {
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"text": "Oui, les voyages peuvent exposer à des agents pathogènes inconnus, augmentant le risque d'infection."
}
}
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Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 15/04/2025
Contenu vérifié selon les dernières recommandations médicales
3 publications dans cette catégorie
Affiliations :
Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712-1224, United States.
Publications dans "Lactames macrocycliques" :
3 publications dans cette catégorie
Affiliations :
College of Sciences, Center for Supramolecular Chemistry and Catalysis, Shanghai University, Shanghai, 200444, People's Republic of China. cjli@shu.edu.cn.
Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin, 300387, People's Republic of China. cjli@shu.edu.cn.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of York, Heslington York YO10 5DD UK William.unsworth@york.ac.uk.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of York, Heslington York YO10 5DD UK William.unsworth@york.ac.uk.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, University of York, Heslington York YO10 5DD UK William.unsworth@york.ac.uk.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin, 300387, People's Republic of China.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
Centro de Investigacións Cientı́ficas Avanzadas (CICA) and Departamento de Quı́mica, Universidade da Coruña, Campus da Zapateira-Rúa da Fraga 10, 15008 A Coruña, Spain.
Publications dans "Lactames macrocycliques" :
2 publications dans cette catégorie
Affiliations :
Centro de Investigacións Cientı́ficas Avanzadas (CICA) and Departamento de Quı́mica, Universidade da Coruña, Campus da Zapateira-Rúa da Fraga 10, 15008 A Coruña, Spain.
Publications dans "Lactames macrocycliques" :
1 publication dans cette catégorie
Affiliations :
Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou 570228, China.
Publications dans "Lactames macrocycliques" :
1 publication dans cette catégorie
Affiliations :
Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou 570228, China.
Publications dans "Lactames macrocycliques" :
1 publication dans cette catégorie
Affiliations :
Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou 570228, China.
Publications dans "Lactames macrocycliques" :
1 publication dans cette catégorie
Affiliations :
Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou 570228, China.
Publications dans "Lactames macrocycliques" :
1 publication dans cette catégorie
Affiliations :
Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou 570228, China.
Publications dans "Lactames macrocycliques" :
1 publication dans cette catégorie
Affiliations :
Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou 570228, China.
Publications dans "Lactames macrocycliques" :
1 publication dans cette catégorie
Affiliations :
Department of Chemistry, University of York, Heslington York YO10 5DD UK William.unsworth@york.ac.uk.
Publications dans "Lactames macrocycliques" :
1 publication dans cette catégorie
Affiliations :
Natural Products Research Institute, College of Pharmacy , Seoul National University , Seoul 08826 , Republic of Korea.
Publications dans "Lactames macrocycliques" :
The biliary tract is a complex tubular organ system spanning from the liver to the duodenum. It is the site of numerous acute and chronic disorders, many of unknown origin, that are often associated w...
Cholestatic liver diseases are named primarily due to the blockage of bile flow and buildup of bile acids in the liver. Cholestasis can occur in cholangiopathies, fatty liver diseases, and during COVI...
Surgical resection could offer the only chance of a long-term cure for biliary tract carcinoma. However, only a small percentage of these patients can undergo surgery based on the progression of the d...
The purpose of this prospective randomized study was to compare the nosocomial biliary tract infection rate of biliary stent implantation with a biliary stent loaded with radioactive 125 I seeds (radi...
We prospectively analyzed the nosocomial infection rate of the distal malignant biliary obstruction (MBO) treatment by stent implantation with RBS and CBS. All MBO patients who initially visited our t...
Our analysis of the study showed the incidence of postoperative infections of a biliary tract of the RBS group (23.7%) was significantly higher than the CBS group (11.1%). The difference was statistic...
Treatment for distal MBO with biliary stent loaded with radioactive 125 I seeds had a higher nosocomial infection rate, and the most common pathogenic bacteria was E coli. , Supplemental Digital Conte...
Endoscopic retrograde cholangiography (ERC) possesses a translocation risk of microbes to the biliary system. We studied bile contamination during ERC and its impact on patients' outcome in a real-lif...
Ninety-nine ERCs were analyzed and microbial samples were taken from the throat before and from bile during ERC and from irrigation fluid of the duodenoscope before and after ERC....
91.2% of cholangitis patients had detectable microbes in the bile (sensitivity 91%), but the same was true for 86.2% in the non-cholangitis group. Bacteroides fragilis (p=0.015) was significantly asso...
During ERC bile samples are regularly contaminated with microbes of the oral cavity but it did not affect clinical outcome....
Endoscopic retrograde cholangiopancreaticography (ERCP) and endoscopic ultrasound (EUS) guided interventions are among the most challenging procedures performed by interventional endoscopists and are ...
Systemic chemotherapy or chemoradiation therapy has proven to be effective in treating advanced biliary tract carcinoma (BTC). However, its efficacy in the adjuvant setting remains controversial. Ther...
We retrospectively reviewed 113 BTC patients who underwent curative-intent surgery and had available tumor sequencing data. Disease-free survival (DFS) was the primary outcome examined and univariate ...
Our results indicated that mutations in ACVR1B, AR, CTNNB1, ERBB3, and LRP2 were favorable mutations, while mutations in ARID1A, CDKN2A, FGFR2, NF1, NF2, PBRM1, PIK3CA, and TGFBR1 were unfavorable mut...
Genomic testing might be useful in guiding the decisions regarding adjuvant treatment in BTC....
Biliary tract invasion (BTI) is associated with poor outcomes in patients with hepatocellular carcinoma (HCC). However, the presence of a BTI is a neglected variable for staging in the current guideli...
We retrospectively included 205 patients initially diagnosed with unresectable HCC who presented with obstructive jaundice due to BTI between January 2010 and June 2021. BTI was classified into four t...
The mOS of patients with Barcelona Clinic Liver Cancer (BCLC) stages B, C, and D was 9.2 months, 3.4 months, and 1.8 months, respectively (p<.001). The mOS of BTI type I patients was superior to that ...
HCC patients with BTI type II may have a poorer prognosis than those with BTI type I. Effective biliary drainage and anti-cancer treatment may provide survival benefits to these patients. A more detai...
To investigate the prenatal diagnostic value of chromosome microarray analysis (CMA) in fetuses presenting with ultrasound-based biliary tract system (BTS) anomalies....
Amniocentesis was performed and CMA was applied in 271 pregnant women carrying fetuses with BTS abnormalities between April 2015 and December 2020. Pregnancy outcomes and fetal prognosis were followed...
Sixteen cases (5.9%, 16/271) of chromosomal anomalies were detected. The detection rate of chromosomal abnormalities was significantly higher for fetuses with nonisolated BTS anomalies than for those ...
An isolated BTS abnormality is not an indication for invasive prenatal chromosomal analysis. When combined with other ultrasonographic abnormalities, prenatal CMA should be provided. When a small or n...
Biliary complications are one of the main concerns after liver transplantation, and to avoid these, the use of a T-tube has been advocated in biliary reconstruction. Most liver transplantation centres...