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Late Nephrology Case Management and Morbidity Due to Chronic Renal Failure, Case of Guinea

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Health 2016年第9期8卷 805-812页

作者： Alpha oumar Bah Mamadou Saliou Balde Oury Baïllo di.llo Oumou Kimso Department of Nephrology Donka National Hospital Conakry Guinea

Context and Object: Late nephrology case management for patients with chronic renal failure is consistently associated with high morbidity rate. The objectives of this study were to determine the factors associated with late nephrology case management and to describe the evolution of patients depending on the time of care nephrology. Material and Methods: It was a 5-year prospective study, observational type, going from January 1st, 2010 to December 31th, 2014. We studied all the patients hospitalized with chronic renal failure with dialysis or not and we excluded the patients hospitalized for acute renal failure. Results: The study population includes 307 men (53.4%) and 268 women (46.6%) with a sex ratio of 1.14. Age population ranged between 15 and 85 years old with a mean of 44.4 ± 16.20 years old. Their profession was distributed as follows: 220 housewives (38.3%), 181 workers (31.5%), 104 civil servants (18.1%), 56 students (9.7%) and 14 unemployed (2.4%). Patients came from all regions of the country: Conakry: 389 patients (67.6%);Lower Guinea: 82 (14.3%);Middle-Guinea: 57 (9.9%);Upper Guinea: 31 (5.4%);Guinea Forest Region: 16 (2.8%). In this study population, 48 patients were admitted in emergency (8.3%);105 were scheduled (18.3%) and 422 were referred to the nephrology department (73.4%). Reasons for the emergency admission were acute pulmonary edema in 21 patients (43.7%), decompensated anemia in 13 patients (27.1%), loss of consciousness in 9 patients (18.7%) and malignant hypertension in 5 patients (10.4%). The reference patterns was uremic syndrome in 312 patients (54.3%), followed by high blood pressure in 247 patients (42.9%), an edematous syndrome in 234 patients (40.7%), oligoanuria in 222 patients (38.6%), morphological abnormalities on the renal ultrasound in 4 patients (0.7%). The functional symptoms were vomiting in 379 patients (65.9%), followed by dyspnea in 290 patients (50.4%), headaches in 287 patients (49.9%). Among them, 121 patients cou

关键词： Chronic Renal Failure Management Morbidity Donka National Hospital Conakry

The high level language for system specification: A model-driven approach to systems engineering

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International Journal of Modeling, Simulation, and Scientific Computing 2016年第1期7卷 180-214页

作者： Hamzat Olanrewaju Aliyu oumar Maıga Mamadou Kaba Traore School of Information and Communication Technology Federal University of Technology Minna Gidan-Kwanu Campus MinnaNigeria Universit´e des Sciences des Techniques et des Technologies BamakoMali LIMOS CNRS UMR 6158 Universite Blaise Pascal Clermont-FerrandFrance

We present HiLLS(High Level Language for System Specification),a graphical formalism that allows to specify discrete Event System(DES)models for analysis using methodologies like simulation,formal methods and ***’syntax is built from the integration of concepts from System Theory and Software Engineering aided by simple concrete notations to describe the structural and behavioral aspects of *** paper provides the syntax of HiLLS and its simulation semantics which is based on the discrete Event System Specification(DEVS)*** DEVS-based Modeling and Simulation(M&S)perspective,HiLLS is a platform-independent visual language with generic expressions that can serve as a front-end for most existing DEVS-based simulation environments with the aid of Model-Driven Engineering(MDE)*** also suggests ways to fill some gaps in existing DEVS-based visual formalisms that inhibit complete specification of the behavior of complex *** provide a case study to illustrate the core features of the language.

关键词： HiLLS modeling and simulation integrated formalism DEVS Object-Z

Factors associated with coverage of praziquantel for schistosomiasis control in the communitydirect intervention (Cdi) approach in Mali (West Africa)

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Infectious diseases of Poverty 2013年第1期2卷 82-92页

作者： Abdoulaye Dabo Boubacar Bary Bourema Kouriba oumar Sankaré Ogobara Doumbo Department of Epidemiology of Infectious diseases Faculty of MedicinePharmacy and DentistryUMI 3189University of SciencesTechniques and Technologies of BamakoBox 1805BamakoMali High Institute for Training and Applied Research Box 475EBamakoMali

Background:Despite the progress made in the control of Neglected Tropical diseases(NTD),schistosome and soil-transmitted helminth infections are far from being effectively managed in many parts of the ***,the key element of all control strategies,is faced with some difficulties in terms of access to *** study aims to describe the factors involved in the success or failure of the community-directed intervention(Cdi)approach through control programmes,which aims to achieve consistent high coverage at affordable and sustainable costs in endemic ***:The Cdi approach was carried out from December 2007 to October 2008 in ten villages of the district of diéma,*** inclusion,each child part of the study’s sample was interviewed and submitted for a physical *** study focused on:data collection,treatment of the eligible population,evaluation of the treatment coverage,performance of community drug distributors(CDDs),and the involvement and perception of ***:A total of 8,022 eligible people were studied with a mean coverage rate of 76.7%.Using multiple regression,it was determined that receiving praziquantel as treatment was associated with five factors:belonging to the Fulani or Moorish ethnic minority versus the Bambara/Soninke,use of the central versus the house-to-house drug distribution mode,the ratio of the population to the number of CDDs,the lack of supervision and belonging to the age group of 15 years or above(pdiscouraged many CDDs(who in most cases are volunteers)to participate in the Cdi approach due to a lack of ***:The findings indicate that the success of the Cdi approach depends on,amongst other things,the personal characteristics of the respondents,as well as on community factors.

关键词： Schistosomiasis Praziquantel Community-directed intervention Coverage rate diéma Mali

In VitroClonal Propagation from Adult Material of a Savannah Species of Socio-Economic Importance: Annona senegalensisPers.

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Agricultural Sciences 2021年第4期12卷 370-386页

作者： oumar Ba Abraham diémé Mame Ourèye Sy Laboratoire Campus de Biotechnologies Végétales Département de Biologie Végétale Faculté des Sciences & Techniques Université Cheikh Anta Diop Dakar Sénégal

Annona senegalensis (Pers.) or Annone from Senegal is a species found in the West African savannah and para-littoral sands. It offers real possibilities of socio-economic use, particularly in the medical, nutritional, ecosystem conservation and poverty alleviation fields. However, this wild species remained not fully exploited despite its potentialities. As a result, there is a need to regenerate this species;therefore, the in vitro propagation from adult material was undertaken. For this purpose, axillary nodes from plant regrowth taken from elderly subjects were aseptically introduced into different media enriched or not with phytohormones. Among the 3 culture media tested, that of Murashige and Skoog (MS, 1962) was the most reactive and made it possible to develop a micropropagation protocol for adult material of A. senegalensis. Thus, the introduction of these explants in media containing cytokinins (BAP and Kinetin) significantly increased the reactivity compared to media without hormones. If the best average numbers of shoots (2.3) and nodes (5.3) are obtained in MS + BAP 2 mg·L−1, with a reactivity of 91.66%, the addition of 0.1 mg·L−1 NAA gave the best average length (8.25 cm) of vitroplants. An induction time of 3 days into darkness with IBA at 50 mg·L

Formal verification with HiLLS-specified models:A further step in multi-analysis modeling of complex systems

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International Journal of Modeling, Simulation, and Scientific Computing 2019年第5期10卷 82-107页

作者： Kehinde G.Samuel oumar Maiga Mamadou K.Traor′e frican University of Science&Technology AbujaNigeria Universit´e des Sciences des Techniques et des Technologies Bamako Mali University of Bordeaux IMS CNRS UMR 5218 France

The multi-analysis modeling of a complex system is the act of building a family of models which allows to cover a large spectrum of analysis methods(such as simulation,formal methods,enactment,...)that can be performed to derive various properties of this *** High-Level Language for Systems Specification(HiLLS)has recently been introduced as a graphical language for discrete event simulation,with potential for other types of analysis,like enactment for rapid system *** defines an automata language that also opens the way to formal *** paper provides the building blocks for such a *** way,a unique model can be used not only to perform both simulation and enactment experiments but also to allow the logical analysis of properties without running any ***,it saves from the effort of building three different analysis-specific models and the need to align them semantically.

关键词： discrete Event System Specification(DEVS) High Level Language for Systems Specification(HiLLS) multi-analysis modeling discrete event simulation model checking

Development of new cowpea(Vigna unguiculata)mutant genotypes,analysis of their agromorphological variation,genetic diversity and population structure

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BIOCELL 2021年第2期45卷 345-362页

作者： MADE diOUF SARA di.llo FRANÇOIS ABAYE BAdiANE oumar diACK diAGA diOUF Laboratoire Campus de Biotechnologies Végétales Département de Biologie VégétaleFacultédes Sciences et TechniquesUniversitéCheikh Anta DiopDakar-FannDakar10700Sénégal Facultédes Sciences et Technologies de l’Education et de la Formation UniversitéCheikh Anta DiopDakar-FannDakar10700Sénégal

Cowpea is one of the most important legume grains in the sub-Saharan region of Africa used for human consumption and animal feed,but its production is hampered by biotic and abiotic constraints raising the need to broaden its genetic *** this purpose,seeds of two cowpea varieties Melakh and Yacine were irradiated with 300 and 340 Gy of gamma-ray,*** developed mutant populations were agromorphologically characterized from M5 to M7,while the genetic diversity of the latter was evaluated using 13 ISSR *** on the agromorphological characterization,variation of flower color,pod length,seed coat color,and seed weight with 78.01,68.29,94.48,and 57.58%heritability,respectively,were recorded in the mutant *** analyses allowed to identify the elite mutants based on their agromorphological traits,while Pearson’s correlation results revealed a positive correlation between yield and yield component *** subpopulations were identified through STRUCTURE analyses,but the assignment of the individuals in each group was improved using DAPC(discriminant Analysis of Principal Components)*** of Molecular Variance revealed that the majority(85%)of the variance rather existed within groups than among(15%)***,our study allowed us to select new promising mutant genotypes that could be tested for multi-locational trials to evaluate their agronomic performance.

关键词： Agromorphological characterization Induced mutagenesis ISSR Plant breeding

Influence of the Size of Potato Microtubers (Solanum tuberosumL.) on the Yield of Plants under Semi-Axenic Conditions

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Advances in Bioscience and Biotechnology 2021年第3期12卷 65-77页

作者： Abraham diémé oumar Ba Maurice Sagna Mame Ourèye Sy Laboratoire Campus de Biotechnologies Végétales Département de Biologie Végétale Faculté des Sciences & Techniques Université Cheikh Anta Diop BP 5005 CP 10700 Dakar-Fann Sénégal

The potato (Solanum tuberosum L.) is a vegetable that ranks fifth in the world for human consumption. Its importance is growing more and more in the Senegalese diet. However, the potato production in Senegal does not meet the needs of the market, which maintains dependence on the outside for the supply of quality seeds. In addition, these imported seeds do not often have phytosanitary qualities required for local production in the Sahelian zone. The in vitro production of microtubers, used as seed, has been shown to be one of the most efficient means for propagation of basic material. To overcome the constraints linked to the supply and availability of potato seeds, with high germination capacity, the impact of the microtuber size on the yield of the plants under semi-controlled conditions was examined. The pre-germinated microtubers were produced in vitro from vitroplants of 3 different varieties (Aida, Atlas, Odessa) adapted to the edaphic-climatic conditions of Senegal. The effects of the seed sizes of microtubers, greater than 4 mm, sown under semi-controlled conditions, on the yield of the plants, result in an increase in the ratio, in the vegetative development of the plants, but also in the number and size of the minitubers harvested. The yield of the

关键词： Solanum tuberosum Microtubers Germination Seed Size Yield Minitubers

Cardiovascular Risk Factors (CVrf) in Rural and Urban Areas Mali: Data from the Step 2013 Survey

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World Journal of Cardiovascular diseases 2018年第1期8卷 35-47页

作者： Hamidou oumar Ba Ichaka Menta Youssouf Camara Ibrahima Sangaré Guida Landouré Georges Rosario Christian Millogo Souleymane Coulibaly Ilo bella diall CHU Gabriel Touré Bamako Bamako Mali CHU Kati Bamako Mali CHU Point G Bamako Mali CHU YO-Ouagadougou Ouagadougou Burkina-Faso

Background: Traditional cardiovascular risk factors (CVrf) like hypertension, diabetes, dyslipidemia, obesity, smoking have been studied extensively through theses in hospital studies. Therefore, recent published data from community based studies are rare in Mali. Available data are old justifying to perform a community based study on traditional CVrf in rural and urban areas. Materials and Methods: We retrospectively performed a study which data stemmed from the last STEPS survey carried out in 2013 in some rural and urban areas of Mali. We studied hypertension, diabetes, tobacco smoking, obesity based on body mass index, waist circumference and waist-to-hip ratio. After bivariates analyses, we conducted a logistic regression with rural/urban as dependent variable using SPSS as analysis software for this purpose. Results: Weight, height, WC and HC were higher in urban area with 69.77 Kg, 169.13 cm, 85.98 cm and 97.26 cm compared to 66.27, 165.42, 81.46 and 93.23 in rural area (p as more prevalent in urban area while elevated waist-to-hip ratio was more prevalent in rural area. But in logistic regression for female, the Odds for Tobacco smoking rural as reference was 0.334 [CI: 0.151 - 0.738] (p = 0.007) and that for WHr is 0.582 [CI: 0.415 - 0.815] (p p p = 0.038). Conclusion: Traditional cardiovascular risk factors have high prevalence in this study and need to be monitored with larger studies. Female predictors were raised waist circumference in favour of urban and tobacco smoking and waist-to-hip ratio in favour of urban dwellers. Male diabetes was the only predictor we found.

关键词： Cardiovascular Risk Factor Rural Urban Community Mali

A Model of Physico-Mechanical Characterization of Sangaredi Bauxites and Related Rocks Taking into Account Their Litho-Genetic Type

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Journal of Minerals and Materials Characterization and Engineering 2024年第6期12卷 281-298页

作者： oumar Keita Mory diane Department of Hydrology University of Nzrkor Nzrkor Guinea Guinea Bauxite Company Kamsar Guinea

The Sangarédi bauxite deposit in the Republic of Guinea contains several bauxite types depending on their litho-genetics. For rational and sustainable exploitation, determining the physical and mechanical properties of these different bauxite types is essential for mining companies. This paper presents a model for the physico-mechanical characterization of Sangarédi bauxites according to their litho-genetic type. Eight pits were drilled, and samples were collected from different layers at different depth intervals for each bauxite type. Physical and mechanical characterization tests were then carried out on 27 samples to determine the following parameters: water of absorption (%), compressive strength (kgf/cm2) and dynamic tensile strength (kgf/cm2). The effect of depth of sampling on these physico-mechanical parameters was evaluated. An average value of the parameters was made for each bauxite type. The results showed that the physico-mechanical characteristics of bauxites depend on the depth of sample collection, and the average value of the parameters constitutes the representative values of the bauxite type. Finally, a comparative study of the average value of the physico-mechanical parameters of the different bauxite types was carried out.

关键词： Bauxites Litho-Genetics Physico-Mechanical Compressive Strength Dynamic Tensile Strength