Titre : Lactames macrocycliques

Lactames macrocycliques : Questions médicales fréquentes

Termes MeSH sélectionnés :

High-Intensity Focused Ultrasound Ablation

Questions fréquentes et termes MeSH associés

Diagnostic 5

#1

Comment diagnostiquer une infection bactérienne ?

Le diagnostic repose sur des cultures bactériennes et des tests de sensibilité.
Infections bactériennes Cultures bactériennes
#2

Quels tests sont utilisés pour les lactames macrocycliques ?

Des tests de sensibilité aux antibiotiques sont effectués pour évaluer l'efficacité.
Antibiotiques Tests de sensibilité
#3

Quels symptômes indiquent une infection nécessitant des lactames ?

Fièvre, douleur, inflammation et signes d'infection localisée peuvent indiquer une infection.
Symptômes Infections
#4

Comment évaluer l'efficacité des lactames macrocycliques ?

L'efficacité est évaluée par l'amélioration clinique et la réduction des cultures positives.
Efficacité Cultures positives
#5

Quels examens d'imagerie sont utiles ?

Des radiographies ou IRM peuvent être utilisées pour évaluer des infections profondes.
Imagerie médicale Infections profondes

Symptômes 5

#1

Quels sont les symptômes d'une infection bactérienne ?

Fièvre, frissons, douleur, rougeur et gonflement au site d'infection sont fréquents.
Symptômes Infections bactériennes
#2

Les lactames provoquent-ils des effets secondaires ?

Oui, des effets secondaires comme des éruptions cutanées ou des troubles gastro-intestinaux peuvent survenir.
Effets secondaires Eruptions cutanées
#3

Comment reconnaître une réaction allergique ?

Des démangeaisons, un gonflement ou des difficultés respiratoires peuvent indiquer une allergie.
Réaction allergique Démangeaisons
#4

Quels signes d'infection nécessitent une attention médicale ?

Une fièvre élevée persistante ou des douleurs intenses doivent être évaluées par un médecin.
Fièvre Douleurs
#5

Les lactames macrocycliques affectent-ils le système digestif ?

Oui, ils peuvent causer des nausées, vomissements ou diarrhées chez certains patients.
Système digestif Nausées

Prévention 5

#1

Comment prévenir les infections bactériennes ?

Une bonne hygiène, des vaccinations et un usage prudent des antibiotiques aident à prévenir.
Prévention Hygiène
#2

Les lactames macrocycliques sont-ils utilisés en prophylaxie ?

Oui, ils peuvent être utilisés en prophylaxie pour prévenir des infections post-chirurgicales.
Prophylaxie Infections post-chirurgicales
#3

Quelles mesures d'hygiène sont recommandées ?

Se laver les mains régulièrement et éviter le contact avec des personnes malades sont essentiels.
Hygiène Contact
#4

Les vaccinations aident-elles contre les infections ?

Oui, certaines vaccinations peuvent réduire le risque d'infections bactériennes spécifiques.
Vaccinations Infections bactériennes
#5

Comment éviter la résistance aux antibiotiques ?

Utiliser les antibiotiques uniquement lorsque nécessaire et suivre les prescriptions médicales.
Résistance aux antibiotiques Prescriptions médicales

Traitements 5

#1

Comment les lactames macrocycliques sont-ils administrés ?

Ils peuvent être administrés par voie intraveineuse ou orale, selon l'infection.
Administration Voie intraveineuse
#2

Quel est le mécanisme d'action des lactames ?

Ils inhibent la synthèse de la paroi cellulaire bactérienne, entraînant la mort des bactéries.
Mécanisme d'action Paroi cellulaire
#3

Combien de temps dure un traitement typique ?

La durée du traitement varie, mais elle est généralement de 7 à 14 jours selon l'infection.
Durée du traitement Infections
#4

Quels antibiotiques sont des lactames macrocycliques ?

Des exemples incluent la méropénème et l'imipénème, utilisés pour des infections graves.
Antibiotiques Méropénème
#5

Comment gérer les effets secondaires des lactames ?

Il est important de signaler tout effet indésirable au médecin pour ajuster le traitement.
Effets secondaires Ajustement du traitement

Complications 5

#1

Quelles complications peuvent survenir avec les lactames ?

Des réactions allergiques graves ou des infections secondaires peuvent survenir.
Complications Réactions allergiques
#2

Comment gérer une surinfection ?

Une évaluation médicale est nécessaire pour ajuster le traitement et cibler la nouvelle infection.
Surinfection Évaluation médicale
#3

Les lactames peuvent-ils causer des troubles rénaux ?

Oui, certains lactames peuvent affecter la fonction rénale, nécessitant une surveillance.
Troubles rénaux Surveillance
#4

Quels sont les signes d'une réaction sévère ?

Des symptômes comme des difficultés respiratoires ou un gonflement du visage nécessitent une urgence.
Réaction sévère Urgence médicale
#5

Les lactames macrocycliques peuvent-ils interagir avec d'autres médicaments ?

Oui, ils peuvent interagir avec d'autres médicaments, il est donc important d'informer le médecin.
Interactions médicamenteuses Médecin

Facteurs de risque 5

#1

Quels facteurs augmentent le risque d'infection ?

L'immunodépression, le diabète et les interventions chirurgicales augmentent le risque.
Facteurs de risque Immunodépression
#2

Les antécédents d'allergies influencent-ils le traitement ?

Oui, des antécédents d'allergies aux antibiotiques peuvent limiter les options de traitement.
Antécédents médicaux Allergies
#3

Le mode de vie affecte-t-il le risque d'infection ?

Oui, un mode de vie sédentaire et une mauvaise alimentation peuvent augmenter le risque.
Mode de vie Alimentation
#4

Les personnes âgées sont-elles plus à risque ?

Oui, les personnes âgées ont un système immunitaire affaibli, les rendant plus vulnérables.
Personnes âgées Système immunitaire
#5

Les voyages augmentent-ils le risque d'infections ?

Oui, les voyages peuvent exposer à des agents pathogènes inconnus, augmentant le risque d'infection.
Voyages Agents pathogènes
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Dr Olivier Menir

Contenu validé par Dr Olivier Menir

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

Auteurs principaux

Jonathan L Sessler

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" :

Chunju Li

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" :

Zhongzhen Yang

2 publications dans cette catégorie

Affiliations :
  • Department of Chemistry, University of York, Heslington York YO10 5DD UK William.unsworth@york.ac.uk.

Adrian C Whitwood

2 publications dans cette catégorie

Affiliations :
  • Department of Chemistry, University of York, Heslington York YO10 5DD UK William.unsworth@york.ac.uk.

William P Unsworth

2 publications dans cette catégorie

Affiliations :
  • Department of Chemistry, University of York, Heslington York YO10 5DD UK William.unsworth@york.ac.uk.

Asaad S Mohamed

2 publications dans cette catégorie

Affiliations :
  • Department of Chemistry, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait.

Nouria A Al-Awadi

2 publications dans cette catégorie

Affiliations :
  • Department of Chemistry, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait.

Wei Zhou

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" :

Qing He

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" :

Zhi-Yuan Zhang

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" :

David Esteban-Gómez

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" :

Carlos Platas-Iglesias

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" :

Lan-Ying Wang

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" :

Yun-Fei Zhang

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" :

De-You Yang

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" :

Shu-Jing Zhang

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" :

Dan-Dan Han

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" :

Yan-Ping Luo

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" :

Kleopas Y Palate

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" :

Yern-Hyerk Shin

1 publication dans cette catégorie

Affiliations :
  • Natural Products Research Institute, College of Pharmacy , Seoul National University , Seoul 08826 , Republic of Korea.

Sources (10000 au total)

MRI parameters for predicting the effect of ultrasound-guided high-intensity focused ultrasound in the ablation of uterine fibroids.

To study the value of magnetic resonance imaging (MRI) parameters in predicting the efficacy of ultrasonic ablation of fibroids.... A total of 91 patients were divided into groups based on non-perfused volume (NPV) ratio and blood supply type. The preoperative MRI parameters were measured and analysed. A correlation analysis betwe... The uterine fibroids group with an NPV ratio <80% and the group with an NPV ratio of ≥80% had significant differences in signal intensity (SI) at MRI T2-weighted imaging (WI), fibroid-to-rectus abdomi... SI at MRI T2WI and blood supply type could be predictors of the efficacy of ablation. Ultrasonic ablation of fibroids with MRI T2WI hyperintensity and a rich blood supply had poor efficacy....

High-intensity focused ultrasound ablation in the treatment of fumarate hydratase-deficient uterine leiomyoma.

This study aimed to explore the efficacy and safety of high-intensity focused ultrasound (HIFU) ablation for treating fumarate hydratase (FH)-deficient uterine leiomyomas.... Ten patients with FH-deficient uterine leiomyomas treated with HIFU ablation at the Third Xiangya Hospital from July 2017 to January 2023 were enrolled in this study. The effectiveness and adverse eff... The median age of the patients who received HIFU was 32.0 years (range: 28-41 years). Only 2 patients had solitary uterine leiomyomas, whereas the remaining 8 patients had multiple uterine leiomyomas.... HIFU is a safe and feasible treatment for FH-deficient uterine leiomyomas, and most patients show effective results in the short term after treatment. However, the reintervention rates are high, and t...

Efficacy and Safety of Ultrasound-Guided High-Intensity Focused Ultrasound Ablation in Women With Multiple Uterine Fibroids: An Exploratory Study.

The aim of the work described here was to explore the clinical efficacy and safety of ultrasound-guided high-intensity focused ultrasound (USg-HIFU) treatment in women with multiple fibroids and ident... From February 2021 to August 2022, 138 patients with multiple fibroids (group A comprising 125 patients with two to four fibroids and 13 patients with five or more fibroids) and 149 patients with soli... After USg-HIFU treatment, the statistical comparison of pre-operative versus post-operative symptom scores and fibroid volume in the two groups indicated obvious symptom relief and substantial shrinka... USg-HIFU appears to be an effective and safe treatment option for multiple fibroids. Knowledge of the fibroid volume, location and signal intensity on T2WI may help determine the efficacy of USg-HIFU ...

Evaluation of the therapeutic efficacy of high-intensity focused ultrasound ablation combined with different drugs in the treatment of adenomyosis.

To observe the therapeutic efficacy of high-intensity focused ultrasound (HIFU) combined with different pharmacological treatments for adenomyosis.... A total of 126 patients with adenomyosis who underwent HIFU combined with pharmacological treatment were retrospectively reviewed. Patients were treated with either dienogest (DNG) (Group A,... After propensity score matching (1:2), 38 patients were included in Group A and 76 in Group B. All patients showed significant improvement in VAS and PBAC scores after HIFU, but the PBAC score of Grou... HIFU combined with DNG and LNG-IUS is a safe and effective treatment for patients with adenomyosis....

Feasibility, safety and efficacy of high intensity focused ultrasound ablation as a preoperative treatment for challenging hysteroscopic myomectomy.

To investigate the feasibility, safety and efficacy of high intensity focused ultrasound ablation (HIFU) as a preoperative treatment for challenging hysteroscopic myomectomies.... A total of 75 patients diagnosed with types 0-III of uterine fibroids were enrolled. Based on the Size, Topography, Extension of the base, Penetration and lateral Wall position (STEPW) classification ... The median preoperative STEPW score was 7 in the HIFU + HM group and 2 in the HM group. The average non-perfused volume (NPV) ratio achieved in fibroids after HIFU was 86.87%. Patients in the HIFU + H... HIFU can be utilized as a preoperative treatment for large submucosal fibroids prior to hysteroscopic myomectomy. HIFU offers a novel approach in the management of this subset of patients....

The effectiveness of single ultrasound-guided high-intensity focused ultrasound (USgHIFU) ablation in managing placenta accreta spectrum (PAS) disorder.

To evaluate the feasibility and effectiveness of single ultrasound-guided high-intensity focused ultrasound (USgHIFU) ablation in managing placenta accreta spectrum (PAS) disorder.... We retrospectively analyzed 40 PAS patients between April 2017 and October 2021. All the patients received one session of HIFU treatment. Regular follow-up was done after HIFU treatment until normal m... The median follow-up time for the 40 patients was 30.50 (15.75-44.00) months and the mean placental tissue elimination time was 45.29 ± 33.32 days. The mean duration of bloody lochia was 13.43 ± 10.01... Single HIFU is an effective treatment option for managing PAS. However, future studies on further treatment strategies to reduce complications and promote patient recovery after HIFU ablation are desi...

Achieving NPVR ≥ 80% as technical success of high-intensity focused ultrasound ablation for uterine fibroids: a cohort study.

To report the long-term re-intervention of patients with uterine fibroids after ultrasound-guided high-intensity focused ultrasound (USgHIFU) ablation and to analyse the influencing factors of re-inte... Patients with a single uterine fibroid who underwent USgHIFU at our hospital from January 2012 to December 2019 were enrolled. The patients were divided into four groups according to different nonperf... A total of 1,257 patients were enrolled, of whom 920 were successfully followed up. The median follow-up time was 88 months, and the median NPVR was 85.0%. The cumulative re-intervention rates at 1, 3... USgHIFU, an alternative treatment for uterine fibroids, has reliable long-term efficacy. NPVR ≥ 80% can be used as a sign of technical success, which can reduce re-intervention rates. However, an impo... This retrospective study was approved by the ethics committee at our institution (Registration No. HF2023001; Date: 06/04/2023). The Chinese Clinical Trial Registry provided full approval for the stud...

Intra-operative High-Intensity Focused Ultrasound in Patients With Colorectal Liver Metastases: A Prospective Ablate-and-Resect Study.

High-intensity focused ultrasound (HIFU) is a recent, non-ionizing and non-invasive technology of focal destruction. Independence from the heat-sink effect of blood flow makes HIFU an interesting tech... This study was an ablate-and-resect, prospective, single-center, phase II study. All ablations were performed in the area of liver scheduled for liver resection to avoid loss of chance of recovery. Th... Between May 2014 and July 2020, 15 patients were enrolled and 24 CLM were targeted. The HIFU ablation time was 370 s. In total, 23 of 24 CLM were successfully treated (95.8%). No damage occurred to ex... Intra-operative HIFU can safely and accurately produce large ablations in 6 min with real-time guidance (ClinicalTrials.gov identifier: NCT01489787)....

High Intensity Focused Ultrasound Ablation for Patients With Locally Advanced Pancreatic Adenocarcinoma: A Propensity Score-Matching Analysis.

This retrospective study was conducted to assess the efficacy and safety of high intensity focused ultrasound (HIFU) in combination with chemotherapy compared with chemotherapy alone in treating patie... The data of unresectable LAPC patients who received chemotherapy with or without HIFU ablation were retrieved retrospectively. The overall survival (OS), objective response rate (ORR), cancer antigen ... Overall, 254 patients with LAPC were included, of whom 92 underwent HIFU ablation. After PSM to control for potential biases, HIFU was associated with improved OS (12.8 versus 12.2 months, log-rank P ... Patients with unresectable LAPC who received gemcitabine-based chemotherapy might benefit from additional HIFU ablation....