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Artigos de revistas sobre o assunto "Clonidine – administration et posologie"
Rassekh, S. Rod, Michael Rieder e Geert ‘t Jong. "La pharmacothérapie en fonction des gènes". Paediatrics & Child Health 28, n.º 4 (6 de junho de 2023): 246–51. http://dx.doi.org/10.1093/pch/pxad001.
Texto completo da fonteLoriferne, J. F., I. Souchal Delacour, S. Rostaing, J. P. N’guyen e F. Bonnet. "Douleurs céphaliques néoplasiques contrôlées par administration intraventriculaire de morphine et de clonidine". Annales Françaises d'Anesthésie et de Réanimation 14, n.º 2 (janeiro de 1995): 233–36. http://dx.doi.org/10.1016/s0750-7658(95)70025-9.
Texto completo da fonteAnene, B. M., S. M. Anika e C. C. Chukwu. "Effets de la difluorométhylornithine après administration intraveineuse et son association avec de l'acéturate de diminazène contre Trypanosoma bruceichez des chiens infectés expérimentalement au Nigeria". Revue d’élevage et de médecine vétérinaire des pays tropicaux 50, n.º 3 (1 de março de 1997): 221–25. http://dx.doi.org/10.19182/remvt.9574.
Texto completo da fonteGulati, A., S. Rebello e A. Kumar. "Role of sympathetic nervous system in cardiovascular effects of centrally administered endothelin-1 in rats". American Journal of Physiology-Heart and Circulatory Physiology 273, n.º 3 (1 de setembro de 1997): H1177—H1186. http://dx.doi.org/10.1152/ajpheart.1997.273.3.h1177.
Texto completo da fonteM Kokane, Deepak, Nitin Ingle e Satish Deshpande. "Comparative Evaluation of Bupivacaine and Bupivacaine with Dextmedetomidine in Subarachnoid Block". Indian Journal of Anesthesia and Analgesia 8, n.º 1 (15 de fevereiro de 2021): 103–10. http://dx.doi.org/10.21088/ijaa.2349.8471.8121.14.
Texto completo da fonteOuro-Bang’na Maman, A. F., H. D. Sama, F. Alassani, P. Egbohou e M. Chobli. "Dépression respiratoire sévère tardive après administration intrathécale de morphine et de clonidine chez un patient de 70 ans". Annales Françaises d'Anesthésie et de Réanimation 28, n.º 7-8 (julho de 2009): 701–3. http://dx.doi.org/10.1016/j.annfar.2009.06.015.
Texto completo da fonteSerge Egide Paulin, Mensah, Sessou Philippe, Nata Christie, Adjahoutonon Koomlan Yélindo Kadjinou Brice, Lahamy Olivier e Farougou Souaïbou. "Mode d’utilisation des antibiotiques dans les élevages de bovin laitier sédentaires au nord-ouest du Bénin". Journal of Animal & Plant Sciences 42.2 (29 de novembro de 2019): 7198–206. http://dx.doi.org/10.35759/janmplsci.v42-2.2.
Texto completo da fonteGingery, Joel W., Ayla Sen Embil, J. Daniel Robinson, James A. Jernigan, Luz M. Labrada e Marie Larouche. "Serum Phenobarbital Concentration Predictions by a Personal Computer Software System". Drug Intelligence & Clinical Pharmacy 21, n.º 11 (novembro de 1987): 895–900. http://dx.doi.org/10.1177/106002808702101110.
Texto completo da fonteChow, Ivy, Vincent Mabasa e Connor Chan. "Meropenem Assessment before and after Implementation of a Small-Dose, Short-Interval Standard Dosing Regimen". Canadian Journal of Hospital Pharmacy 71, n.º 1 (9 de março de 2018). http://dx.doi.org/10.4212/cjhp.v71i1.1724.
Texto completo da fonte"Administration peridurale de clonidine et de fentanyl: Effets sur l'analgesie et la cinetique du fentanyl". Annales Françaises d'Anesthésie et de Réanimation 9 (janeiro de 1990): R168. http://dx.doi.org/10.1016/s0750-7658(05)82177-x.
Texto completo da fonteTeses / dissertações sobre o assunto "Clonidine – administration et posologie"
Roche, Marine. "Développement de méthodes analytiques pour l'étude de la stabilité et de la compatibilité de médicaments sous forme de solution ou de systèmes dispersés. Application en anesthésie-réanimation". Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS021.
Texto completo da fonteThe research subject of this PhD focused on the development of analytical methods to assess the stability or incompatibilities of injectable anaesthetic drugs in solution or in dispersed systems.The first part of this work involved a study of the stability of cisatracurium besylate ampoules produced by the pharmacy of Lille University Hospital to ensure continuity of care for intensive care patients in the context of supply disruptions caused by the COVID-19 pandemic. The stability study was conducted on a batch of 4,000 ampoules stored at 2-8°C for 18 months. This study required the validation of a stability-indicating HPLC-UV method for the determination of cisatracurium and laudanosine, one of its degradation products described as a marker of its instability. In addition, the use of an HPLC-mass spectrometry method enabled the identification of degradation products and the study of degradation pathways. Our results showed that cisatracurium solutions at 10mg/mL were stable for 15 months under our preparation and storage conditions. The main degradation pathway observed under our study conditions (ester hydrolysis) differed from that previously described (Hofmann pathway). This highlights the imponderability of conducting stability studies under conditions representative of the actual use of drugs. The second part of this thesis led us to study the incompatibility between different drugs used in anaesthesia and intensive care units. The models studied were the simultaneous administration of propofol and alpha-2 adrenergic receptor agonists (α2A; clonidine or dexmedetomidine) used in multimodal analgesia. The data available in the literature refers to concentrations and ratios that are not representative of those encountered in hospital wards, potentially exposing patients to drug hazards. We assessed the compatibility of propofol-α2A combinations under conditions mimicking those encountered in critical care units. Eight conditions per combination were evaluated over 96 hours, in triplicate, varying the simulated mass flow rates for each drug and for patient weights of 45 and 150 kg. To assess the chemical compatibility of these combinations, we developed and validated 3 stability-indicating HPLC-UV assay methods to study the stability of propofol, clonidine and dexmedetomidine in combination for 96 hours. The physical compatibility of the emulsion in combination was assessed using a granulometer coupled to a zeta potential measurement (with positive and negative controls). Our results demonstrated the physico-chemical stability of propofol-α2A mixtures representative of those used in current practice.In conclusion, the results of this work have provided scientific validation of hospital pharmacy and care service practices. They also highlighted the fundamental role of pharmacists in guaranteeing the quality of patient drug management, by using their skills in analytical chemistry to assess compatibility and stability data
Le, Verger Martine. "Mise au point de formes à libération modifiée d'isradipidine : caractérisation physico-chimique et étude du devenir in vivo". Nancy 1, 1997. http://www.theses.fr/1997NAN12167.
Texto completo da fonteHombreiro, Perez Monica. "Mise au point et étude biopharmaceutique de microparticules associant deux principes actifs : Nifédipine et Chlorhydrate de Propranolol". Nancy 1, 2000. http://www.theses.fr/2000NAN12004.
Texto completo da fonteGaignaux, Amélie. "Développement et évaluation de nouvelles formulations à libération prolongée à base de microparticules de PLGA en vue d'une administration intra-articulaire dans le traitement de pathologies inflammatoires". Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209388.
Texto completo da fonteDes microparticules de PLGA chargées en clonidine ou en bétaméthasone ont donc été optimisées afin d’obtenir des efficacités d’encapsulation appréciables (clonidine HCl :EE ≈ 20% ;dipropionate de bétaméthasone :EE ≈ 70%), une taille adaptée à l’administration intra-articulaire (12 – 38 µm) et une libération de la molécule s’échelonnant sur 5 à 8 semaines. La libération prolongée de la clonidine implique des mécanismes de diffusion de la molécule ainsi que de dégradation/érosion du polymère. Au vu de l’absence de réaction inflammatoire, les microparticules développées sont correctement tolérées par les chondrocytes, synoviocytes, PBMC et neutrophiles, principales cellules impliquées dans les mécanismes inflammatoires de l’arthrose et de l’arthrite rhumatoïde. L’évaluation de l’efficacité anti-inflammatoire des microparticules vides et chargées en clonidine ou en bétaméthasone via l’étude de l’expression et de la sécrétion de différents médiateurs de l’inflammation a permis d’aboutir à plusieurs conclusions :(i) les microparticules vides sont associées à un effet anti-inflammatoire, (ii) les microparticules chargées en clonidine n’ont pas montré d’activité anti-inflammatoire propre pouvant être attribuée à la clonidine, et (iii) les microparticules de bétaméthasone ont confirmé l’effet anti-inflammatoire de la bétaméthasone. Enfin, l’étude de la toxicité des principes actifs et microparticules vides ou chargées a montré une toxicité significative de la clonidine sur les synoviocytes. Néanmoins, l’encapsulation des principes actifs dans les microparticules de PLGA a permis d’éliminer cette toxicité, protégeant donc efficacement les cellules articulaires.
Les microparticules développées permettent alors d’envisager l’encapsulation d’autres molécules anti-inflammatoires ou une combinaison de molécules ayant des effets complémentaires (anti-inflammatoire et antidouleur). L’utilisation de la clonidine dans ces indications devra être réévaluée en étudiant de façon approfondie son efficacité dans la douleur. / Both osteoarthritis and rheumatoid arthritis are articular diseases characterized by the degeneration of the joint cartilage, resulting from the production of various inflammatory mediators. The current treatment of these diseases is restricted to alleviate the painful and inflammatory episodes of the patients and to improve its quality of life. In osteoarthritic patients, few treatments allow to significantly stop the evolution of the degradation of the cartilage and, consequently, the disease. In rheumatoid arthritis, the evolution can be slowed down following the administration of some drugs. Nevertheless, these treatments are often associated to a short-term efficacy. The objective of this work is to develop new therapeutic options that allow to reduce the frequency of administration and the side effects of the current treatments. The intraarticular delivery combined to controlled-release presents the advantage to expose the sites directly involved in the evolution of the disease to one or more molecules effective to relieve the pain, inflammation and to help the regeneration of the cartilage.
Clonidine or betamethasone-loaded PLGA microparticles were optimized to reach suitable encapsulation efficiencies (clonidine HCl: EE ≈ 20%; betamethasone dipropionate: EE ≈ 70%), an appropriate size for an intraarticular delivery (12 – 38 µm) and a controlled-release of the molecule over 5 to 8 weeks. The release of clonidine implies mechanisms of diffusion and degradation/erosion of the polymer. Given the absence of an inflammatory reaction, the developed microparticles were properly tolerated by the chondrocytes, synoviocytes, PMBC and neutrophils, which are the main cells involved in the inflammatory reaction of osteoarthritis and rheumatoid arthritis. The assessment of the anti-inflammatory efficacy of the drug-free and drug-loaded microparticles through the evaluation of the expression and the secretion of various inflammatory mediators allowed to draw several conclusions: (i) drug-free microparticles were associated to an anti-inflammatory effect, (ii) clonidine-loaded microparticles did not show any anti-inflammatory activity that could be attributed to clonidine, and (iii) betamethasone- loaded microparticles confirmed the anti-inflammatory effect of betamethasone. Finally, the evaluation of the toxicity of the drugs and microparticles showed a significant toxicity of clonidine against synoviocytes. Nevertheless, the encapsulation of the drugs in PLGA microparticles induced the suppression of this toxicity, protecting in this way the articular cells.
Entrapping other anti-inflammatory molecules or a combination of molecules with complementary effects (anti-inflammatory and anti-nociceptive drugs) in the PLGA microparticles developed has to be considered. Moreover, the use of clonidine in these indications has to be reassessed by a thorough study of its anti-nociceptive potential.
Doctorat en Sciences biomédicales et pharmaceutiques
info:eu-repo/semantics/nonPublished
Lecleire, Stéphane. "Modulation de l'inflammation intestinale et du métabolisme protéique par l'arginine et la glutamine : Etude chez le volontaire sain et au cours de la maladie de Crohn". Paris 7, 2008. http://www.theses.fr/2008PA077065.
Texto completo da fonteThe first study aimed to evaluate the effects of pharmacological doses of arginine on duodenal biopsies obtained in healthy volunteers, cultured with increasing doses of arginine and a control solution, in basal and experimental inflammation conditions. The effect of arginine on gut inflammation was assessed by the measure in the culture media of the main pro and anti-inflammatory cytokines by ELISA. Arginine had no effect on gut inflammation in these conditions. Arginine increased NO production in a dose-dependent manner in inflammatory conditions, and this production was correlated to IL-8 production. The second study aimed to evaluate the effects of arginine on gut protein synthesis and proteolysis. Duodenal biopsies obtained in healthy volunteers after enteral infusion of arginine or a control solution were analysed by GC-MS in order to determine the enrichment in stables isotopes in duodenal mucosa and in plasma with arginine and control solution. Moreover, proteolysis was analysed by RT-PCR of the three main proteolysis enzymes (ubiquitin, m-calpain, cathepsin). Arginine did not have any effect on gut protein synthesis or proteolysis in healthy volunteers. The third study was designed to assess the effects or arginine combined to glutamine on gut inflammation in patients with active Crohn's disease. Colonic biopsies were obtained and cultured in four different conditions including physiological and pharmacological doses of arginine and/or glutamine. Gut inflammation was evaluated by the dosage in different culture media of the main pro and anti-inflammatory cytokines by ELISA, and by the expression of p65 NF-kappaB, IkappaB, and p38 MARK by Western-blot. Arghigh/Glnhigh significantly decreased the production of TNFalpha, 1L-1beat, IL-8 and IL-6. Argˡ°ʷ/G\nhigh decreased IL-6 and IL-8 production, whereas Arghigh/Glnˡ°ʷ did not affect cytokine and NO production. Argˡ°ʷ/Gln and Arghigh/Glnhigh decreased NF-kappaB p65 subunit expression, whereas p38 MARK was only decreased by Arghigh/Glnhigh. Combined pharmacological doses of Arg and Gin decreased TNFalpha and the main pro-inflammatory cytokines release in active colonic CD biopsies via NF-kappaB and p38 MARK pathways. These results could be the basis of prospective studies evaluating thé effects of enteral supply of combined Arg and Gln during active CD.
Ruppé, Etienne. "Épidémiologie, quantification et conséquences du portage intestinal d'entérobactéries multirésistantes". Paris 7, 2013. http://www.theses.fr/2013PA077067.
Texto completo da fonteThe recent widespread of multidrug-resistant enterobacteria, especially those producing extended-spectrum beta-lactamases (ESBL), has jeopardized the efficacy of currently advised treatments of the infections they cause. The intestinal microbiota might play a key role in this phenomenon as being the main reservoir for enterobacteria. Still, data about intestinal carriage of multidrug-resistant enterobacteria remain scarce for some aspects that could benefit to the patients. In the present work, we aimed to add knowledge to the different phases of the intestinal carriage of multidrug-resistant enterobacteria (pre-colonization, colonization and post-colonization). We first focused on the pre-colonization phase and studied the determinants that lead to the intestinal carriage of multidrug-resistant enterobacteria. We found that such bacteria had spread even in extremely remote places, and that at hospital admission, the prediction of their digestive carriage was poorly effective based on the clinical data available at that time. About colonization itself, we worked on the quantitative dimension of the carriage of ESBL-producing enterobacteria and introduced a new marker: the relative abundance i. E. The ratio between the intestinal densities of ESBL-producing enterobacteria and that of total enterobacteria. We observed the evolution of this marker after a short exposure to levofloxacin, a widely-prescribed fluoroquinolone. Furthermore about thé colonization phase, we developed a microbiological method to recover enterobacteria producing the OXA-48 carbapénémase, subsequently to its incidental detection in a patient with no obvious risk factors for carriage of such bacteria. Eventually, we studied the post-colonization phase (i) in establishing for the first time the link between the relative abundance of ESBL-producing enterobacteria and their occurrence in urinary-tract infections in women, and (ii) in observing the in vivo transfer of the KPC carbapenemase from a Greece-acquired strain of Klebsiella pneumoniae to a commensal K. Pneumoniae. In conclusion, our results highlighted the central role played by the intestinal microbiota and opened new, concrete perspectives of the management of multidrug-resistant enterobacteria
Segal, Nicolas. "Arrêt circulatoire : Optimisation pharmaco-mécanique et post conditionnement ischémique". Paris 7, 2013. http://www.theses.fr/2013PA077038.
Texto completo da fonteDespite numerous experimental and clinical studies in the field of cardiac arrest, only 1 to 8% of the patients leave the hospital with good neurological recovery. Therefore, it is necessary to propose new therapeutics to increase survival after cardiac arrest. To achieve this goal, it seems essential to improve the quality of chest compressions during resuscitation and to protect the myocardium and the brain against ischemia reperfusion injuries. In the first part of this work, we evaluated the current practices to assess if they are beneficial to the patients. Thus, based on a new imaging technic of microcirculation, we checked with direct visualization the effects of the intrathoracic pressure regulation on the microcirculation of the organs. Then, this work studied the impact of supraglottic airway devices on cerebral perfusion during cardiopulmonary resuscitation. Finally, we studied the potentially deleterious effects of epinephrine on vital organ perfusion during cardiopulmonary resuscitation. The second part of this work was focused on optimizing vital organ perfusion by a new technique called SNPeCPR. Finally, the last part focused on the protection of reperfusion injury after cardiac arrest by an adaptation of ischemic postconditioning in cardiopulmonary resuscitation
Ramadan, Wiâm. "Étude des répercussions d'un régime enrichi en graisses, du diabète de type 2 et de la metformine sur la fonction respiratoire à l'éveil et au cours du sommeil chez le rat mâle adulte". Amiens, 2005. http://www.theses.fr/2005AMIED004.
Texto completo da fonteTo day, it is difficult to distinguish the respective role of obesity and metabolic disorders as insulin resistance and/or type 2 diabetes mellitus in the occurrence of respiratory disorders and notably sleep apneas since these disorders are typically diagnosed late in their course. Data from literature suggest that, although increase morbidity and mortality from this syndrome, the mechanisms underlying this pathology remain poorly understood. This lack of knowledge stems in part from a paucity of animal models to study naturally occurring apnea during sleep. The aim of this work was to study insulin resistance and type 2 diabetes mellitus repercussions on energetic metabolism, ventilation, apneas occurrence in absence of obesity and diaphragmatic contractility by using the rat model fed high fat diet developed by Reed et al (metabolism, 2000). Our study was also designed to assess whether the use of metformin, one of the most common drugs used in the treatment of insulin resistance, could reverse or suppress the possible ventilation impairments and apnea occurrence. This study demonstrates that insulin resistance increases apneas score during sleep in absence of obesity. This increase was reversed by metformin treatment reinforcing the idea that insulin resistance could induce ventilatory disorders during sleep independently of obesity. This study also demonstrated that metformin treatment in parallel with high fat fed diet prevent the development of sleep apnea syndrome. The decrease, in vitro, of the force of diaphragm, the principal inspiratory muscle, could be linked to an increase of apnea during sleep. Indeed, morphological modifications in diaphragmatic fibres had been shown with an increase of type IIb fibres and a decrease of type I and IIa fibres in diabetic rats
Boulamery-Velly, Audrey. "Variabilité pharmacocinétique et pénétration tissulaire des carbapénèmes". Aix-Marseille 2, 2007. http://www.theses.fr/2007AIX20708.
Texto completo da fonteSilvain, Johanne. "Approche translationnelle génétique, moléculaire et pharmacologique de la thrombose coronaire". Paris 7, 2010. http://www.theses.fr/2010PA077111.
Texto completo da fonteCoronary thrombosis, a coagulation phenomenon yet physiological, lead, because of the brutality of his appearance in a confined space -the coronary artery- to an acute anoxia and irreversible myocardial damage whose consequences in the short and long term can be catastrophic in terms of morbidity and mortality. Among the five "clinico-biological projects" presented here, the first observation is the first ex-vivo study in human of the dynamics of composition of the thrombus responsible for the occlusion during intracoronary myocardial infarction. The second project is a princeps study demonstrating that there is an impact of red blood cells transfusion on platelet reactivity and provides answers on the pathophysiology of the reported harmful effects associated with this therapy. The third is a study on genetic determinants of the architecture and fonction of the network of fibrin, a major component of the thrombus and validates the concept of the existence of pharmacogenetic résistance to fibrinolysis in some patients. The fourth study is a pharmacological study on the variability of response to treatment by clopidogrel and demonstrates the usefulness of increasing the dose to overcome the poor response of some patients and improve their prognosis. Finally, the fifth study concerns the validation of a rapid biological test for measuring the anticoagulant activity obtained with enoxaparin in order to optimize and individualize the care of patients undergoing percutaneous revascularization with angioplasty of occluded coronary arteries
Livros sobre o assunto "Clonidine – administration et posologie"
Curren, Anna M. Mathématiques et médicaments. Montréal, Qué: Études vivantes, 1991.
Encontre o texto completo da fonteFortin, Marlène. Math et méd: Guide pour une administration sécuritaire des médicaments. 2a ed. Montréal (Québec) Canada: Chenelière éducation, 2015.
Encontre o texto completo da fonteGaubert-Sivade, Sophie. Me di-Me doc. Paris: Vernazobres-Grego, 2006.
Encontre o texto completo da fonteTaketomo, Carol K. Lexi-Comp's pediatric dosage handbook: Including neonatal dosing, drug administration, & extemporaneous preparations. Hudson, Ohio: Lexi-Comp, Inc., 2004.
Encontre o texto completo da fonteF, Kydonieus Agis, e Berner Bret, eds. Transdermal delivery of drugs. Boca Raton, Fla: CRC Press, 1987.
Encontre o texto completo da fonteRichardson, Judith Knight. The mathematics of drugs and solutions with clinical applications. 5a ed. St. Louis: Mosby, 1994.
Encontre o texto completo da fonteP, Johnson, Lloyd-Jones J. G. 1944- e Society for Drug Research (Great Britain), eds. Drug delivery systems: Fundamentals and techniques. Weinheim, Federal Republic of Germany: VCH, 1987.
Encontre o texto completo da fonteJuliano, R. L. Biological approaches to the controlled delivery of drugs. New York, N.Y: New York Academy of Sciences, 1987.
Encontre o texto completo da fonteTaketomo, Carol K. Pediatric dosage handbook: Including neonatal dosing, drug administration & extemporaneous preparations. 4a ed. Hudson, Ohio: Lexi-Comp, 1997.
Encontre o texto completo da fonteTaketomo, Carol K. Pediatric dosage handbook: Including neonatal dosing, drug administration, & extemporaneous preparations. Hudson, Ohio: Lexi-Comp, Inc., 2007.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Clonidine – administration et posologie"
Newcorn, Jeffrey H., Kurt P. Schulz e Jeffrey M. Halperin. "Adrenergic agonists: clonidine and guanfacine". In Pediatric Psychopharmacology: Principles and Practice, 264–73. Oxford University PressNew York, NY, 2002. http://dx.doi.org/10.1093/oso/9780195141733.003.0021.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Clonidine – administration et posologie"
Jang, T. S., J. Nair, S. Nair e A. Lavin. "Modulation of PFC Pyramidal Cell Excitability by Clonidine: A Computational Modeling Study". In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15109.
Texto completo da fonte