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Epidemiological, Clinical Aspects and Outcome of Measles in a Low-Income Country in 2023

Open Journal of Pediatrics 2024年第1期14卷 139-148页

作者： Sime Tchouamo Arielle Annick Enyama Dominique Noukeu Diomède atyam ekotto marie christine Abouame Palma Haoua Epee Ngoue Jeannette Kago Tague Daniel Armand Touka Eric Brice Tasse Simo Nathalie Ines Nguéfack Félicité Faculty of Medicine and Pharmaceutical Sciences of University of Dschang Dschang Cameroon Gynaeco-Obstetric and Pediatric Hospital of Yaounde Yaounde Cameroon Gynaeco-Obstetric and Pediatric Hospital of Douala Douala Cameroon Regional Annex Hospital of Dschang Dschang Cameroon Faculty of Medicine and Biomedical Sciences of University of Garoua Garoua Cameroon Faculty of Medicine and Biomedical Sciences of University of Yaounde 1 Yaounde Cameroon West Regional Delegation of Public Health Bafoussam Cameroon

Introduction: Measles remains a worrying health problem in sub-Saharan African countries. There have been measles outbreaks in Cameroon with the most recent occurring between October 2022 and September 2023. The Centre region of Cameroon was the most affected in the country and being at the frontline of the fight against this illness, we conducted this study in order to determine the epidemiological and clinical characteristics as well as the outcome of children who contracted the measles and were hospitalized at the Yaoundé Gynaeco-Obstetric and Pediatric Hospital. Methodology: We conducted a cross-sectional descriptive and prospective study for one year from October 2022 to November 2023 corresponding to the duration of the outbreak. We included all children admitted in the pediatric unit for measles and its complications during this period. Results: In total, 60 children were enrolled. Their caregivers were mostly their mothers who had a mean age of 34.71 ± 9.55 years living in significant precarious conditions for the majority. The median age of children was 16 months (09 - 30 months). Twenty six percent of children (16) were less than 9 months. Girls were predominant (55%). Most children were not up to date with their routine EPI vaccination (80%) and most did not receive the measles and Rubella vaccine (76.67%). Clinical manifestations, included fever, conjunctivitis, and cough. Skin rash and catarrh (98.33% and 86.67% respectively) are the case definition signs of measles. The outcome was unfavorable for 4 children. One had a neurological disorder: coma and three presented with pneumonia and severe respiratory distress (6.67%). Conclusion: Measles is still being a reality and claiming lives in our context, emphasis should be made on immunization coverage and if possible, advocacies should be formulated to decrease the age of measles vaccine administration.

关键词： Measles Complications Low-Income Countries

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Delayed-release oral mesalamine tablet mimicking a small jejunal gastrointestinal stromal tumor:A case report

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World Journal of Clinical Cases 2022年第19期10卷 6710-6715页

作者： Fabio Frosio Emanuele Rausa Paolo Marra marie-christine Boutron-Ruault Alessandro Lucianetti Department of General Surgery ASST Papa Giovanni XXIII HospitalBergamo 24127Italy Department of Radiology ASST Papa Giovanni XXIII HospitalBergamo 24127Italy Paris-Saclay University UVSQInsermGustave RoussyExposome and Heredity TeamCentre for Epidemiology and Population Health(CESP U1018)Villejuif 94800France

BACKGROUND Enteric-coated medications are supposed to pass intact through the gastric environment and to release the drug content into the small intestine or the *** dissolution of the enteric coating,they may appear hyperdense on computed tomography(CT).Unfortunately,few reports have been published on this topic so *** this case report,the hyperdense appearance on contrastenhanced CT of an enteric-coated mesalamine tablet was initially misinterpreted as a jejunal gastrointestinal stromal tumor(GIST).CASE SUMMARY An asymptomatic 81-year-old male patient,who had undergone laparoscopic right nephrectomy four years earlier for stage 1 renal carcinoma,was diagnosed with a jejunal GIST at the 4-year follow-up thoraco-abdominal CT *** was referred to our hub hospital for gastroenterological evaluation,and subsequently underwent 18-fluorodeoxyglucose positron emission tomography,abdominal magnetic resonance imaging,and video capsule *** of these examinations detected any lesion of the small *** reviewing all the CT images in a multidisciplinary setting,the panel estimated that the hyperdense jejunal image was consistent with a tablet rather than a *** tablet was an 800 mg delayed-release enteric-coated oral mesalamine tablet(Asacol®),which had been prescribed for non-specific colitis,while not informing the hospital *** Delayed-release oral mesalamine(Asacol®),like other enteric-coated medications,can appear as a hyperdense image on a CT scan,mimicking a small intestinal ***,adetailed knowledge of the patients’medications and a multidisciplinary review of the images areessential.

关键词： Mesalamine Enteric-coating Asacol Tablet Gastrointestinal stromal tumor Case report

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Removing harvest residues from hardwood stands affects tree growth, wood density and stem wood nutrient concentration in European beech (Fagus sylvatica) and oak (Quercus spp.)

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Forest Ecosystems 2022年第2期9卷 147-159页

作者： Sanjoy Roy Jean-Michel Leban Bernhard Zeller Gregory van der Heijden Arnaud Reichard marie-christine Gehin Philippe Santenoise Laurent Saint-Andre INRAE BEFF-54000 NancyFrance IGN Laboratoire de l’Inventaire ForestierNancyF-54000France Universite de Lorraine AgroParisTechINRAESILVAF-54000 NancyFrance

Background:Higher exportation of harvest residues from forests due to increased demand for woody biomass,has reportedly diminished soil mineral resources and may lead to degraded tree nutrition as well as ***,as nutrients become less available in the soil,the remobilization of nutrients in biomass tissues(plant internal cycling)helps sustain tree *** study aims to quantify the impact of Removing Harvest Residues and Litter(RHRL)during five years on tree growth,wood density,and stem wood nutrient concentrations in young beech and oak forest ***:Our study found that,RHRL significantly decreased tree growth ring width by 14%,and wood density by 3%,in beech trees,in near bark *** also significantly reduced nutrient concentration in near bark and near pith areas of both studied ***,Na and S were found lower by 44%,76%,and 56%,respectively,in near bark area of beech *** near bark area of oak trees,K,Ca,Mg,Na,S,and Fe were lower by 20%,25%,41%,48%,41%,and 16%,respectively.K and Mg concentrations decreased more strongly in near pith area compared to near bark area suggesting internal translocation of these two ***:In beech trees,wood density proved to be an important factor while quantifying the effect of removing harvest residuals on tree growth and *** nutrient loss intensified the remobilization of nutrients con-tained in older tree rings(close to the pith)towards newly formed rings(close to bark).In our study,in beech trees,K was found to be the most recycled major *** results demonstrate the potential of such analysis for providing valuable insight into the effect of RHRL in premature stands on the physiological adaptive strategies of trees and an indication of soil fertility status.

关键词： Harvest residues Fagus sylvatica Quercus petraea Dendroecology Dendrochemistry Radial growth Wood density Tree growth Ring width Translocation

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Copper-uptake mediated by an ecofriendly zwitterionic ionic liquid: A new challenge for a cleaner bioeconomy

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Journal of Environmental Sciences 2023年第8期130卷 92-101页

作者： marie E.Vuillemin Christophe Waterlot Anthony Verdin Sylvain Laclef christine Cézard David Lesur Catherine Sarazin Dominique Courcot Caroline Hadad Eric Husson Albert Nguyen Van Nhien Enzyme and Cell Engineering UMR 7025 CNRSUniversity of Picardie Jules Verne-Faculty of Sciences33 rue Saint Leu80039 Amiens CedexFrance University of Lille Mines-Télécom InstituteUniversity of ArtoisJUNIAULR 4515-LGCgELaboratory of Civil Engineering and Geo-EnvironmentF-59000 LilleFrance Environmental Chemistry and Life Interactions Unit UCEIV UR4492FR CNRS 3417University of Littoral Cote d’Opale(ULCO)DunkerqueFrance Laboratory of Glycochemistry Antimicrobials and AgroresourcesUMR CNRS 7378University of Picardie Jules Verne-Faculty of Sciences33 rue Saint Leu80039 Amiens CedexFrance Institute of Chemistry of Picardie FR CNRS 3085 80039 AmiensFrance

This study aims to investigate the ability of an imidazolium biobased Zwitterionic Ionic Liquids(ZILs)in enhancing the phytoavailability of copper from garden(G)and vineyard(V)soils using the model plant *** and artificially contaminated CuSO_(4) soils,unamended and ZIL-amended soil modalities were *** copper/ZIL molar ratio(1/4)introduced was rationally established based on molecular modeling and on the maximal copper concentration in artificially contaminated *** accumulation of copper in the shoots was detected for the uncontaminated and copper contaminated ZIL amended V soils(18.9 and 23.3 mg/kg,respectively)contrary to G soils together with a ZIL concentration of around 3%(W/W)detected by LC-MS *** data evidenced a Cu-accumulation improvement of 38%and 66%compared to non-amended V soils(13.6 and 13.9 mg/kg respectively).ZIL would be mainly present under Cu(II)-ZIL_(4) complexes in the *** impact on the chemical composition of shoot was also *** results show that depending on the soils modalitity,the presence of free copper and/or ZIL led to different chemical compositions in lignin and monomeric sugar *** the biorefinery context,performances of enzymatic hydrolysis of shoots were also related to the presence of both ZIL and copper under free or complex *** assessment of the vineyard soil samples indicated that the quantity of copper and ZIL remaining in the soils had no significant *** amendment in a copper-contaminated soil was demonstrated as being a promising way to promote the valorization of phytoremediation plants.

关键词： Cu-accumulation Biobased Zwitterionic Ionic Liquid (ZIL) Enzymatic hydrolysis Ecotoxicity

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A time fractional model to represent rainfall process

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Water Science and Engineering 2014年第1期7卷 32-40页

作者： Jacques GOLDER Maminirina JOELSON marie-christine NEEL Liliana DI PIETRO Department of Physics University of Avignon Mediterranean Environment and Agro-Hydro System Modelisation Laboratory French National Institute for Agricultural Research

This paper deals with a stochastic representation of the rainfall process. The analysis of a rainfall time series shows that cumulative representation of a rainfall time series can be modeled as a non-Gaussian random walk with a log-normal jump distribution and a time-waiting distribution following a tempered a-stable probability law. Based on the random walk model, a fractional Fokker-Planck equation （FFPE） with tempered a-stable waiting times was obtained. Through the comparison of observed data and simulated results from the random walk model and FFPE model with tempered a-stable waiting times, it can be concluded that the behavior of the rainfall process is globally reproduced, and the FFPE model with tempered a-stable waiting times is more efficient in reproducing the observed behavior.

关键词： rainfall process heavy-tailed probability distribution tempered a-stable probability law log-normal law Hurst exponent continuous time random walk model fractional Fokker-Planck equation

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Iterative Factors Favoring Collaboration for Interorganizational Resilience:The Case of the Greater Montréal Transportation Infrastructure

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International Journal of Disaster Risk Science 2015年第1期6卷 75-86页

作者： marie-christine Therrien Stéphane Beauregard Anais Valiquette-L'Heureux National School of Public Administration(ENAP) University of Montréal

Between members of a network, interorganizational resilience is favored by effective collaboration and coordination during a crisis. The quality of that collaboration depends on various iterative factors present between these organizations before the occurrence of a *** find that these factors are iterative since collaboration factors follow a mutually reinforcing cycle: collaboration within a crisis management network is conditioned by a general agreement, which is in turn conditioned by the extent to which the institutions coordinate themselves prior to crisis. We evaluated the factors that promote collaboration between public and private organizations that manage the Greater Montréal transportation *** factors are based on adaptive management processes such as mutual agreements, common organizational culture, knowledge and financial resources, levers of power,regulations, and pressure. Crisis management coordination represents the ability to build and assess the effectiveness of common response plans to risks to which they are exposed. We show how these processes vary depending on the links between private and public organizations.

关键词： Adaptive management Collaborative management Interorganizational resilience Montréal Transportation infrastructure

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Fading indirect effects in a warming arctic tundra

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Current Zoology 2014年第2期60卷 189-202页

作者： Joēl BETY Maude GRAHAM-SAUVE Pierre LEGAGNEUX marie-christine CADIEUX Gilles GAUTHIER Centre d'études nordiques et D6partement de biologie Universit6 du Québec à Rimouski 300 All6e des Ursulines Rimouski Qu6bec Canada G5L 3Al Centre d'études nordiques et Département de biologie Pavilion Vachon Université Laval Qu6bec Qu6bec Canada G 1K 7P4

Indirect interactions in food webs can strongly influence the net effect of global change on ecological communities yet they are rarely quantified and hence remain poorly understood. Using a 22-year time series, we investigated climate-induced and predator-mediated indirect effects on grazing intensity in the tundra food web of Bylot Island, which experienced a warming trend over the last two decades. We evaluated the relative effects of environmental parameters on the proportion of plant biomass grazed by geese in wetlands and examined the temporal changes in the strength of these cascading effects. Migrating geese are the dominant herbivores on Bylot Island and can consume up to 60% of the annual production of wetland graminoids. Spring North Atlantic Oscillation, mid-summer temperatures and summer abundance of lemmings (prey sharing predators with geese) best-explained annual variation in grazing intensity. Goose grazing impact increased in years with high temperatures and high lemming abundance. However, the strength of these indirect effects on plants changed over time. Grazing intensity was weakly explained by environmental factors in recent years, which were marked by a sharp increase in plant primary production and steady decrease in grazing pressure. Indirect effects do not seem to be reversing the direct positive effect of warming on wetland plants. We suggest that cascading effects on plants may lag considerably behind direct effects in vertebrate dominated arctic communities, especially where key herbivore populations are strongly affected by factors outside of the Arctic.

关键词：变暖趋势间接北极植物生物量放牧强度淡入北大西洋涛动湿地植物

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Colorectal cancer risk following appendectomy:a pooled analysis of three large prospective cohort studies

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Cancer Communications 2022年第5期42卷 486-489页

作者： Joseph A.Rothwell Nagisa Mori Fanny Artaud Agnès Fournier Marco Conte marie-christine Boutron-Ruault Simon S.M.Chan Marc J.Gunter Neil Murphy Gianluca Severi UniversitéParis-Saclay UVSQInsermGustave RoussyExposome and Heredity teamCentre for Epidemiology and Population Health(CESP U1018)Villejuif 94800France Nutrition and Metabolism Branch International Agency for Research on Cancer(IARC)150 Cours Albert ThomasLyon 69008France Department of Gastroenterology Norfolk and Norwich University Hospital NHS TrustNorwich NR47UYUnited Kingdom Department of Medicine Bob Champion Research and Education BuildingNorwich Medical SchoolUniversity of East AngliaNorwich NR47UQUnited Kingdom Department of Statistics Computer ScienceApplications“G.Parenti”University of FlorenceFlorence 50134Italy

Dear Editor,Appendectomy is usually performed to treat acute appendicitis although it may also be conducted in the absence of appendicitis when patients suffer from chronic abdominal *** is also known to mitigate the risk of ulcerative colitis[1],a risk factor for colorectal *** impact of appendectomy on colorectal cancer risk,particularly in the long term,is *** procedurewas initially hypothesized to increase colorectal cancer risk due to decreased immunocompetency.

关键词： cancer colorectal acute

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Optimised NSAIDs-loaded Biocompatible Nanoparticles

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Nano-Micro Letters 2010年第4期2卷 247-255页

作者： V.Gaelle ROULLIN Maaite CALLEWAERT Michael MOLINARI Franck DELAVOIE Aurelie SECONDE marie-christine ANDRY Institut de Chimie Mole culaire de Reims CNRS UMR 6229UFR Pharmacie Reims Laboratoire de Microscopies et d’Etudes des Nanostructures UFR des SciencesUniversitéde Reims Champagne-Ardenne Laboratoire de Microscopie Electronique Analytique INSERM UMRS 92621 rue Clement Ader51685 Reims Cedex 2France

In this formulation study,biocompatible non steroidal anti-inflammatory(NSAIDs)-loaded nanoparticles were designed as models to be further integrated in a prosthesis surface functionalization.A modified spontaneous emulsion-solvent diffusion methodology was used to produce drug-loaded PLGA nanoparticles without any purification or solvent evaporation *** parameters,such as lactide/glycolide ratio,polymer concentration,solvent/non solvent ratio and non solvent phase,as well as the non ionic tensioactive P188 co-precipitation composition were systematically *** optimized formulation(mean size:145 nm,surface charge:-13 m V) was employed to encapsulate various amounts of NSAIDs in a simple and scalable *** drug release was characterized in vitro by a complete release for 48 *** results encourage upcoming preliminary steps for in vivo experiments of prosthesis surface functionalization.

关键词： Drug delivery systems(DDS) Biocompatible Emulsion-solvent diffusion method PLGA Glycofurol Non steroidal anti-inflammatory drugs(NSAIDs)

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Relationships between mucinous gastric carcinoma, MUC2 expression and survival

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World Journal of Gastroenterology 2006年第21期12卷 3324-3331页

作者： Emmanuelle Leteurtre Farid Zerimech Guillaume Piessen Agnès Wacrenier Xavier Leroy marie-christine Copin Christophe mariette Jean-Pierre Aubert Nicole Porchet marie-Pierre Buisine INSERM U560 59045Lille cedexFrance Service d'Anatomie et Cytologie Pabologiques Pôle Biologie-Pathogie Pac Eurasanté.CHR-U de Lille59037 Lille cedexFrance Service de Biochimie et Biologie Moléculaire CHR-U de Lille59037 Lille cedexFrance Facultéde Médecine H.Warembourg 59045 Lille cedexFrance Service.de Chirurgie Digetive et Générale CAEB CHR-U de Lille59045 Lille cedexFrance

AIM:To investigate the expression of the four secreted gel-forming mucins(MUC2,MUCSAC,MUCSB and MUC6)in a series of gastric carcinomas,classified according Laurén's,Mulligan's,WHO and Goseki's classifications,with special attention to all the different components(major and minor)present in tumors and to follow up clinical ***:Expression of MUC2,MUC5AC,MUC5B and MUC6 was investigated using immunohistochemistry and in situ ***:Expression of secreted gel-forming mucins in gastric carcinoma was particularly complex,each mucin being not restricted to any histopathological type even considering all components(major and minor)present in a given *** was a worst survival in patients with a higher content of mucus(GosekiⅡorⅣ)and high positive MUC2 ***:Complexity of mucin gene expression patterns in gastric cancer may reflect a precise state of differentiation at the cell level not recognized in used morphologic classification *** expression of MUC2 was nevertheless associated with mucinous subtype of the WHO classification and with groupⅡof Goseki's classification identified by the major component of a particular *** quantity and quality of mucus were related to survival.

关键词： Gastric cancer Secreted gel-forming mucin MUC Immunohistochemistry in situ hybridization Survival

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