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Bacteriological Profile of Infections Encountered in a Pneumology Service in a Moderate-Income Country [Pneumology Department of CHU Cocody (Côte d’Ivoire)]

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Open Journal of Respiratory Diseases 2024年第1期14卷 1-11页

作者： Brou Jean marcel Ahui Alitonde Eudoxie Djegbeton Alima Kone marc-Olivier Koffi Kouame Clarisse Elogne Mobio Nancy Hermine Benjamin Kouraogo Erick Akouatia Constante Virginie Brou-Gode Kigninlman Horo Boko Alexandre Kouassi Ngoran Koffi Pneumology Service Teaching Hospital of Cocody Abidjan C&#244te d’Ivoire Medical School of Abidjan University Félix Houphou&#235t Boigny Abidjan C&#244te d’Ivoire Pasteur Institute of Cô te d’Ivoire Abidjan C&#244te d’Ivoire

Introduction: Infections represent a real public health problem aggravating the morbidity and mortality of hospitalized patients. Methods: This was a retrospective study with descriptive purposes over a period of 05 years, in the Pneumology Department of the University Hospital of Cocody. Results: The average age in our population was 42 years. We observed a male predo- minance of 64.5%, with a sex ratio of 1.8. Medical history was dominated by HIV infection (23.5%), followed by tuberculosis (15.6%). Concerning lifestyle, smoking was found in 38% of cases. Symptoms progressed chronically in 80% of cases. An infectious syndrome was found in 75% of cases. Microbial culture was positive in 42% of cases. Pseudomonas aeruginosa and Klebsiella pneumoniae were encountered in 26.4% of cases each, followed by Echerichia coli in 10.4% of cases. Klebsiella pneumoniae in the first three years topped the list, but gradually. Pseudomonas aeruginosa maintained its leadership over the last three years. Pseudomonas aeruginosa isolates expressed a resistance rate of 9.8% to ceftazidime and 8.1% to imipenem;to aztreonam (36%), ticarcillin (33.3%) and levofloxacin. These strains were susceptible to fosfomycin (100%), mero- penem (96.6%) and amikacin (96%). For isolated strains of Entero- bacteria- ceae, resistance was observed about ticarcillin (83.3%) and amoxicillin clavula- nic acid (71.2%). Streptococcaceae showed resistance to tetracycline (69.2%) and erythromycin (50%). Over the years there has been an increase in re- sistance to amoxicillin-clavulanic acid ceftriaxone. The death rate was 14%. Conclusion: The bacterial profile of infections is dominated by germs respon- sible for nosocomial infection with significant mortality.

关键词： Bacterial Pleural Pneumonia Nosocomial Infection Sub-Saharan Africa Antibiotic Therapy

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Ecogenotoxicology in earthworms： A review

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Current Zoology 2014年第2期60卷 255-272页

作者： Paule VASSEUR marc BONNARD CNRS UMR 7360 Laboratoire Interdiscipinaire des Environnements Continentaux (LIEC) Universit6 de Lorraine MetzFrance Unité Interactions Animal-Environnement (IAE) - EA 4689 Universit6 de Reims Champagne-Ardenne (URCA) Reims France

Pollutant dynamics and bioavailability greatly differ in soil and aquatic systems. Therefore, specific approaches and models are needed to assess the impact of soil contamination to terrestrial ecosystems. Earthworms among other soil invertebrates have received more attention because of their ecological importance. They represent a dominant part of the soil biomass and are soil engineers regulating important soil processes, notably fertilization. The release in soils of pollutants known for their persistence and/or their toxicity is a concern. Exposure of terrestrial species to pollutants that may alter genomic function has become an increasing topic of research in the last decade. Indeed, genome disturbances due to genetic and epigenetic mechanisms may impair growth, as well as reproduction and population dynamics in the long term. Despite their importance in gene expres- sion, epigenetic mechanisms are not yet understood in soil invertebrates. Until now, pollutant-induced changes in genome expression in natural biota are still being studied through structural alteration of DNA. The first biomarker relating to genotoxicant exposure in earthworms from multi-contaminated soils reported is DNA adducts measurements. It has been replaced by DNA breakage measured by the Comet assay, now more commonly used. Functional genomic changes are now being explored owing to molecular ＂omic＂ technologies. Approaches, objectives and results are overviewed herein. The focus is on studies dealing with genotoxicity and populational effects established from environmentally-relevant experiments and in situ studies [Current Zoology 60 （2）： 255-272, 2014].

关键词： DNA adducts Comet assay Transcriptomic DNA methylation Pollutants Tolerance

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Practical numerical simulation of the effect of TBM process pressures on soil displacements through 3D shift iteration

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Underground Space 2018年第4期3卷 297-309页

作者： Benno Ring marc Comulada Ring–Consultancy in Tunnelling Alpenstr.582131 StockdorfGermany Maidl Tunnelconsultants Goethestr.7480336 MunichGermany

A 3D-finite element model is illustrated that allows for the iterative simulation of the shield drive with its face and grouting pressures by shifting the determined stresses and displacements after each calculation *** are performed for the tunneling of Rio de Janeiro’s Line 4 and compared to the results of analytical limit equilibrium analyses and monitoring results of the actual TBM-drive.

关键词： Settlements TBM pressures 3D-Finite element method Numerical simulation Shift iteration

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Neural prostheses for restoring functions lost after spinal cord injury

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Neural Regeneration Research 2015年第10期10卷 1594-1595页

作者： marc Fakhoury Department of Neurosciences Faculty of Medicine University of Montreal

Spinal cord injury（SCI）is a debilitating condition that affects more than 2.5 million individuals worldwide（Thuret et al.,2006）.In addition to its devastating effects on the individual,this disease is a heavy burden to the society in terms of health care costs, which are estimated in billions of dollars annually in most developed countries （Cadotte and Fehlings, 2011）.

关键词： more SCI Neural prostheses for restoring functions lost after spinal cord injury

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Generalized Backward Doubly Stochastic Differential Equations Driven by Lévy Processes with Continuous Coefficients

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Acta Mathematica Sinica,English Series 2012年第10期28卷 2011-2020页

作者： Auguste AMAN Jean marc OWO UFR de Mathématiques et Informatique Université de Cocody

A new class of generalized backward doubly stochastic differential equations （GBDSDEs in short） driven by Teugels martingales associated with Levy process are investigated. We establish a comparison theorem which al... 详细信息

关键词： Backward doubly stochastic differential equations L@vy processes Teugels martingales comparison theorem continuous and linear growth conditions

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Functionally Graded Dual-nanoparticulate-reinforced Aluminium Matrix Bulk Materials Fabricated by Spark Plasma Sintering

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Journal of Materials Science & Technology 2014年第8期30卷 736-742页

作者： Hansang Kwon marc Leparoux Akira Kawasaki Department of Materials System Engineering Pukyong National University365 Sinsenro608-759 BusanKorea Empa Swiss Federal Laboratories for Materials Science and TechnologyAdvanced Materials ProcessingFeuerwerkerstrasse 39CH-3602 ThunSwitzerland Department of Materials Processing Engineering Graduate School of EngineeringTohoku University980-8579 SendaiJapan

Functionally graded（FG） carbon nanotubes（CNT） and nano-silicon carbide（nSiC） reinforced aluminium（Al）matrix composites have been successfully fabricated using high-energy ball milling followed by solid-state spark plasma sintering *** CNTs were well-dispersed in the Al particles using the nSiC as a solid mixing *** different types of multi-walled CNTs were used to add different amounts of CNTs in the same *** ball milled Al—CNT—nSiC and Al—CNT powder mixtures were fully densified and demonstrated good adhesion with no serious microcracks and pores within an FG multilayer *** layer contained different amounts of the CNTs,and the nSiC additions showed different microstructures and *** is possible to control the characteristics of the FG multilayer composite through the efficient design of an Al—CNT—nSiC gradient *** concept offers a feasible approach for fabricating the dualnanoparticulate-reinforced Al matrix nanocomposites and can be applied to other scenarios such as polymer and ceramic systems.

关键词： Carbon nanotubes(CNT) Silicon carbide High-energy ball milling Spark plasma sintering(SPS) Functionally graded materials(FGM)

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Wear Behavior of a Bio-inspired Bearing for off-center Loads

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Journal of Bionic Engineering 2020年第6期17卷 1251-1262页

作者： Delphine Sysaykeo Jean-marc Linares Emmanuel Mermoz Alix-Marseile Universite CNRSCentre National de la Recherche ScientifiqueISMInstitut des Sciences du MouvementMarseille 13009France Advanced concepts and Dynamic systems architecture department Airbus HelicoptersAeroport International Marseille ProvenceMarignane 13700France

Misalignment is one of the most common causes of wear in bush *** improvements have been proposed by many ***,it did not efficiently reduce the *** geometrical designs sometimes reach their *** this reason,a bio-inspired design is proposed to solve the *** this article,a bio-inspired bearing suited to misalignment was tested and compared to a classical bush *** contact pressures of both bearings were compared with static Finite Element(FE)simulations for off-center *** to the complex shape of the involved contact,the performances of both bearings were also studied over *** wear behaviors were predicted with a numerical *** methodologies emplaced to simulate the wear were described in this ***,the wear coefficient determination obtained by experimental testing was *** pressure value,the contact zone and the wear depth were compared and *** wear results for the classical bearing are in accordance with the *** simulations show a deeper wear on the classical bush bearing than on the bio-inspired *** leads to a longer period of service life for the bio-inspired bearing.

关键词： biologically inspired design bush bearing wear simulation

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Alien calculus and non perturbative effectsin Quantum Field Theory

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Frontiers of physics 2016年第6期11卷 31-34页

作者： marc P. Bellon Sorbonne Universites UPMC Univ Paris 06 UMR 7589 LPTHE 75005 Paris France CNRS UMR 7589 LPTHE 75005 Paris France

In many domains of physics, methods for dealing with non-perturbative aspects are required. Here, I want to argue that a good approach for this is to work on the Borel transforms of the quantities of interest, the singularities of which give non-perturbative contributions. These singularities in many cases can be largely determined by using the alien calculus developed by Jean Écalle. My main example will be the two point function of a massless theory given as a solution of a renormalization group equation.

关键词： Schwinger–Dyson equations, series resommation, alien calculus

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Management of Mandibular Fractures in Children in Ivory Coast: Experience of the Stomatology and Maxillofacial Surgery Department at the University Hospital of Cocody from 2000 to 2019

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Open Journal of Stomatology 2024年第7期14卷 341-349页

作者： Bakary Ouattara Camille Assouan Laurent Boka Koffi Konan René Kouakou Ake Lucien Jonathan Yapo Annick Zoglo-Bro Ahi Morel Mounin Chapo Affoué Linda Marie Pierre Koffi Kahder Morel Diarra Atse Kobo N’Guessan Konan marc Koffi Department of Stomatology Maxillofacial Surgery University Flix Houphout-Boigny Abidjan Republic of Ivory Coast Department of Oral Pathology University Flix Houphout-Boigny Abidjan Republic of Ivory Coast

Introduction: Mandibular fractures in children are becoming increasingly common. Treatment of these fractures is difficult due to their anatomical and physiological complexity. Therefore, there is a need for well-codified management. Our main aim was to develop a decision algorithm for the management of mandibular fractures in children based on our experience. Materials and Methods: This was a retrospective descriptive study carried out in the Department of Stomatology and Maxillofacial Surgery at the University Hospital of Cocody over a period of 20 years (2000-2019). Results: We enrolled 58 patients. The mean age of the patients was 9.35 ± 2.3 years with a sex ratio of 2.22. Traffic accidents were the main cause of mandibular fractures (60.35%). Condylar fractures were the most common (46.87%). Treatment was orthopedic in 45.76% of cases, mixed (orthopedic and surgical) in 24.14% and surgical in 5.17%. Patients were followed up weekly for 1 month, then monthly for 6 months and annually for 3 years, with panoramic radiographs of the maxilla starting at 21 days. We observed 2 cases of complications: temporomandibular ankylosis and gingival stomatitis. Conclusion: Mandibular fractures are common in children. Management is difficult due to anatomical and physiological peculiarities. The choice of treatment depends on several criteria.

关键词： Fractures Mandible Children Treatment Ivory Coast

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Microsurgical varicocelectomy： a review

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Asian Journal of Andrology 2013年第1期15卷 56-60页

作者： Akanksha Mehta marc Goldstein Department of Urology and Center for Male Reproductive Medicine and Surgery Weill Cornell Medical College New York NY 10021 USA

Varicocelectomy is the most commonly performed surgical procedure for the treatment of male infertility. Although several different techniques for varicocele repair have been described in the literature, microsurgical varicocelectomy performed through a subinguinal or inguinal incision is recognized as the gold-standard approach for varicocelectomy, due to high success rates with minimal complications. Standard indications for varicocelectomy include palpable varicocele（s）, with one or more abnormal semen parameters, and, for the couple trying to conceive, in the setting of normal or correctable female infertility. However, varicocele repair is often recommended and undertaken for reasons other than infertility, including low serum testosterone, testicular pain, testicular hypotrophy and poor sperm DNA quality. This article reviews the technical aspects of microsurgical varicocelectomy, and its indications in adults and adolescents.

关键词： DNA fragmentation hypogonadism infertility microsurgical varicocelectomy orchalgia varicocele repair

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