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Epidemio-Clinical Profile of Skin Conditions in Pediatric Dermatology Consultation of the University Hospital of Treichville

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Journal of Cosmetics, Dermatological Sciences and Applications 2018年第4期8卷 272-277页

作者： Kouadio Celestin Ahogo kouame kanga Kouassi kouame Alexandre Allou Ange Sylvain Enoh Jacob Balliet Gbiagohi Sandrine Department of Dermatology-Venerology CHU TreichvilleAbidjanCote d’Ivoire Department of Pediatric CHU TreichvilleAbidjanCote d’Ivoire

Introduction: Dermatoses are common in the pediatric population. They have certain particularities such as the prevalence of the diaper dermatitis and genetic disorders. Paediatric dermatological problems are common, with some conditions requiring specialist consultation. Often appropriate diagnosis and therapy are sometime delayed in certain countries. Few studies have focused on pediatric aspects of skin diseases in Côte d’Ivoire. We initiated this work to contribute to a better knowledge of pediatric skin conditions in our work context. Material and Methods: This is a cross-sectional prospective, descriptive and analytical study carried out in the Dermatology Department of the University Hospital of Treichville from January 2015 to December 2017. Data from the study were collected on a survey card that included socio-demographic characteristics and clinical aspects. All children with cutaneous and mucosal disease seen in pediatric dermatology consultation have been taken into account in the study. Results: 11,487 patients were seen in dermatology consultation during the period of our study with only 302 children, a prevalence of 2.6%. The sex ratio was 0.9. The main reason for consultation was pruritus (22.65%). In 63.9% of the cases the child was referred by a family member whereas more than 1/3 of the children (39.07%) had previously been consulted by a pediatrician. Among children referred with a skin diagnosis, the half had a correct diagnosis The most prevalent disorders by category were dermatitis (57.9%) and infections (29.5%). Multiple diagnosis were made in 9.27% of the patients. The most common pathologies encountered were prurigo (23.2%), scabies (12.9%) and atopic dermatitis (9.6%). The lesions were mainly located on the head (23.31%) and the lower limbs (20.51%). In almost all cases (99.3%), the diagnosis was essentially clinical. Conclusion: Pediatric dermatoses are numerous and varied. They are dominated by Prurigo and Scabies. This study inv

关键词： Dermatoses Children Cote d’Ivoire

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Contribution of Dermatopathology in the Diagnosis of Cutaneous Diseases in Côte d’Ivoire

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Journal of Cosmetics, Dermatological Sciences and Applications 2017年第4期7卷 318-323页

作者： Kouadio Célestin Ahogo kouame kanga Ange Sylvain Allou Sylvanus Koui Bitti Adé Odo Department of Dermatology CHU of Treichville Abidjan Cote d’Ivoire Department of Histopathology CHU of Treichville Abidjan Cote d’Ivoire

Introduction: Dermatopathology is a fundamental complementary examination for the diagnosis of certain skin conditions when the clinic is hesitant. We therefore initiated this work in order to determine the contribution of dermatopathology in the diagnostic management of certain dermatoses at the Treichville University Hospital Centre of Abidjan. Material and methods: This is a cross-sectional descriptive study with data collection from medical records in the dermatology-venereology and pathological anatomy departments of the Treichville University Hospital Centre. Results: We included and analyzed 184 patients with a sex ratio of 1.2. 46.2% of lesions were generalized with 2% mucosal localization. Erythematosquamous lesions (24.45%) and papules (22.82%) were the most biopsied lesions. The single biopsy sample accounted for 71.2% of the cases and the lesion size ranged from 0.5 cm to 10 cm. Biopsy parts of the lesion alone accounted for 65.2% versus 34.8% for those straddling healthy skin and lesion. Histological diagnosis was established in 91.3%. Kaposi disease accounted for 14.9% of cases followed by psoriasis 11.3%. In the case of three diagnostic hypotheses, the concordance was 84.8%. It was 76.6% for two hypotheses mentioned and 52.3% for a single hypothesis. Conclusion: This work shows that in more than half of the cases, the clinical hypotheses and the histological diagnosis match. It suggests however to continue the training of dermatologists to improve the skin biopsies and invites to initiate clinicopathological confrontations to better refine the diagnoses.

关键词： Dermatosis Histopathology Biopsy

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Dermatomyositis: Epidemio-Clinical Profile, Therapeutic and Evolutive Aspects in Cote d’Ivoire

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Journal of Cosmetics, Dermatological Sciences and Applications 2018年第4期8卷 244-248页

作者： Kouadio Celestin Ahogo kanga kouame Kouassi Yao Isidore Kouassi kouameAlexandre Allou Ange Sylvain Department of Dermatology University Hospital Center of TreichvilleAbidjanCote d’Ivoire

Introduction: Dermatomyositis is a rare pathology with severe prognosis. Its prevalence varies from one part of the earth to another and its clinical aspects are multiple. In Western countries, they have been the subject of several studies. However few studies have been devoted to this disease in sub-Saharan Africa. We initiated this work to contribute to a better knowledge of dermatomyositis in our work context. Material and Methods: This is a retrospective, descriptive and analytical study carried out in the Dermatology Department of the University Hospital Center of Treichville from January 2006 to December 2015. All Patients with dermatomyositis have been taken into account in the study. Results: The hospital prevalence of dermatomyositis in our work was 1.38%. The age of our patients ranged from 11 to 79 years with an average of 41 years. The sex ratio was 0.48. The delay before the first consultation ranged from 1 week to 1 year 9 months with an average of 5 months. Cutaneous manifestations were the first signs observed including post-in-flammatory hyperpigmentation and erythro-eodema. Muscular manifestations were dominated by muscular pain (81.08%). muscular enzymes were consistently elevated in biological examinations. The duration of hospitalization was 3 weeks in average. Oral corticotherapy (94.59%) was the most used therapy. A clinical improvement was observed on average 4 months after treatment. The death rate was 16.22%. Conclusion: Dermatomyositis is infrequent in Côte d’Ivoire. It involves mostly young woman. The cutaneous manifestations are often the first signs observed, hence the importance of the dermatologist in its screening and early management.

关键词： Dermatomyositis Corticotherapy Cote d’Ivoire

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Effects of Calcium and Magnesium on Phosphorus Availability in Ferralsols and Rice Production in Forest Zones of Côte d’Ivoire

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Journal of Agricultural Chemistry and Environment 2024年第1期13卷 33-53页

作者： Guy Fernand Yao Brahima Kone Kouadio Amani Franck Michaël Lemonou Bahan Jean Lopez Essehi Brou kouame François Lompo Albert Yao-kouame National Center for Agronomic Research (CNRA) Central Laboratory Soils Water and Plants (LCSEP) Sustainable Soil and Water Management Program Bouaké C&ocircte d’Ivoire Soil Water and Geomaterials Sciences Laboratory (LS2EG) Earth Sciences and Mining Resources Training and Research Unit (UFR STRM) Félix Houphou&eumlt-Boigny University Abidjan C&ocircte d’Ivoire National Center for Agronomic Research (CNRA) Man Research Station Rice Program Man C&ocircte d’Ivoire Environment and Agricultural Research Institute (INERA) Ouagadougou Burkina Faso

Phosphorus bioavailability has long been a recurring problem in tropical acid soils. A pot experiment was carried out during three (3) successive rice production cycles at Adiopodoumé to evaluate the response of the NERICA 5 rice accession to various doses of calcium, magnesium and phosphorous. The experiment was conducted using a randomized split-plot design. The interactive effects of calcium carbonate (0, 25, 50 and 75 kg·Ca·ha-1) and magnesium sulfate (0, 25, 50 and 75 kg·Mg·ha-1) and Togo natural phosphate (0, 25, 50 and 75 kg·P·ha-1) were determined at each production cycle. The results showed that single-dose natural phosphate supplementation for three cropping cycles resulted in an average enrichment of around 2 mg·P·kg-1 after each trial following its continuous dissolution, with an increase in DSP (33.31% to 70.52%). The study revealed one strategy for managing and enhancing native P with cations and another for exogenous P: there would be a synergy of Ca/Mg on native P, whereas an antagonism would characterize the two parameters in phosphate fertilization.

关键词： Soil Acidity Native and Exogenous Phosphorus Free Iron Ca/Mg Balances Rice Growing Côte d’Ivoire

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Contribution of GIS to Soil Landscape Mapping by Multi-Criteria Analysis Using Weighting: The Case of the Square Degrees of M’Bahiakro (Centre) and Daloa (Centre-West) in Ivory Coast

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Open Journal of Geology 2024年第1期14卷 101-116页

作者： Guy Fernand Yao Derving Baka Nestor Kouman Yao Kouakou Bala Mamadou Ouattara Kouadio Amani Jean Lopez Essehi Brou kouame Albert Yao-kouame Sustainable Soil Management and Water Control Program Central Laboratory Soils Water and Plants (LCSEP) National Agricultural Research Center (CNRA) Bouaké Ivory Coast Department of Soil Sciences Training and Research Unit for Earth Sciences and Mining Resources (UFR STRM) University Félix Houphou&#235t-Boigny of Cocody-Abidjan Abidjan Ivory Coast Department of Geography Training and Research Unit (UFR) Communication Environment and Society University Alassane Ouattara Bouaké Ivory Coast Soil Water and Geomaterials Sciences Laboratory (LS2EG) Earth Sciences and Mining Resources Training and Research Unit (UFR STRM) Félix Houphou&#235t-Boigny University Abidjan Ivory Coast

As part of the drive to improve coffee and cocoa production in Ivory Coast, studies are carried out to identify soils that are favourable for these crops. It is therefore necessary to orientate soil investigations based on reliable criteria that best discriminate soil cover. With this in mind, this study is being carried out to help improve survey methods by mapping soil landscapes. It uses GIS and weighted multicriteria analysis. To do this, satellite images were processed and the geological map of the square degrees of M’Bahiakro and Daloa was reclassified. The results show that relief is the main factor in soil landscape differentiation, with respective weights of 0.58 and 0.67 for the forest and pre-forest zones. In contrast, the weight of geological formation in soil landscape differentiation remains low (0.05 for the forest zone and 0.07 for the pre-forest zone). The criteria used on the base of aggregation sum methods have made it possible to formulate soil landscape mapping prediction functions according to agro-ecological environments in the humid intertropical zone. This is essential for the orientation of soil survey work. Nevertheless, other comparative methods, such as the coding mapping method, could provide elements for discussion to validate the models.

关键词： GIS Multi-Criteria Analysis Soil Landscapes M’Bahiakro Daloa Ivory Coast

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Response of the Maize Variety EV87-28 to a Fertilization Strategy Involving Indorama Granular Urea on Ferralsol in the Central Ivory Coast

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Agricultural Sciences 2024年第1期15卷 187-208页

作者： Fernand Guy Yao Kouadio Amani Brou kouame Jean Lopez Essehi Brahima Kone Kouadio Houphouet Cheikh Ahmed Diawara Bala Mamadou Ouattara Albert Yao-kouame Central Laboratory Soils Water and Plants (LCSEP) National Agricultural Research Center (CNRA) Bouaké Ivory Coast Soil Water and Geomaterials Sciences Laboratory (LS2EG) Earth Sciences and Mining Resources Training and Research Unit (UFR STRM) University Félix Houphou&#235t-Boigny of Cocody-Abidjan Abidjan Ivory Coast Cotton Research Station National Agricultural Research Center (CNRA) Bouaké Ivory Coast Food Crops Research Station National Agricultural Research Center (CNRA) Bouaké Ivory Coast Department of Geography Unit of Training and Research (UFR) Communication Environment and Society University Alassane Ouattara Bouaké Ivory Coast

In Côte d’Ivoire, the decline in soil fertility strongly impacts the productivity of maize (Zea mays L.) on heavily leached ferralitic soil. In this study, the general objective was therefore to improve the productivity of maize EV87-28 on the Ferralsols in pre-forested areas during different cropping seasons. Eight (8) micro-plots were set up according to a total randomization device with three repetitions. Two factors were studied: nitrogen fertilizer modalities (main factor) and crop season (secondary factor). Growth, flowering and yield parameters were measured and analyzed. The results showed that there was no interaction between the nitrogen fertilizer factor and the cropping season factor. In addition, this study showed the short rainy season had the most positive impact on growth, flowering and yield parameters than the long rainy season. The results also showed that the different nitrogen fertilizer modalities had no statistically different effects on growth, flowering and yield parameters. However, quantitative differences were reported, highlighting one nitrogen fertilizer modality, which is the combination of urea granule + farm manure (75% urea indorama granules and 25% farm manure). The combination of urea granule + farm manure (75% urea indorama granules and 25% farm manure) had the best effect on corn grain yield. So, the combination of urea (75%) and manure (25%), that resulted in yield gain, could be recommended for corn fertilization during the small rainy season.

关键词： Indorama Granular Urea Ferralsol Cultural Seasons Maize Ivory Coast

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Multicriteria Analysis by Codification for the Determination of Soil Landscape Units in Forest and Pre-Forest Zones of Cote D’Ivoire: The Case of the Square Degrees of M’Bahiakro and Daloa

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International Journal of Geosciences 2024年第1期15卷 12-24页

作者： Guy Fernand Yao Derving Baka Koffi Emmauel Kassin Bala Mamadou Ouattara Nestor Kouman Yao Kouakou Kouadio Amani Jean Lopez Essehi Brou kouame Albert Yao-kouame National Agricultural Research Center (CNRA) Central Laboratory Soils Water and Plants (LCSEP) Sustainable Soil Management and Water Control Program Bouaké Ivory Coast Earth Sciences and Mining Resources Training and Research Unit (UFR STRM) Soil Water and Geomaterials Sciences Laboratory (LS2EG) Félix Houphou&#235t-Boigny University Cocody-Abidjan Abidjan C&#244te d’Ivoire Mondelez International Abidjan C&#244te d’Ivoire Training and Research Unit (UFR) Communication Environment and Society Department of Geography University Alassane Ouattara Bouaké C&#244te d’Ivoire Soil Water and Geomaterials Sciences Laboratory (LS2EG) Earth Sciences and Mining Resources Training and Research Unit (UFR STRM) Félix Houphou&#235t-Boigny University Abidjan Ivory Coast

The present study, carried out in the forest (Daloa) and pre-forest (M’Bahiakro) zones of Cote d’Ivoire, aims to determine soil landscape units using the coding method. Geological maps and satellite images (SRTM and Landsat) were used for this purpose. The methodological approach adopted consisted in producing maps of slope, geology, land use and topography using the codification method. These various maps, integrated into a GIS using the coding aggregation method, were used to generate soil landscape maps. Twenty-seven (27) soil landscapes have been identified for the pre-forest zone (M’Bahiakro), with a strong dominance of acid rock over a moderate relief under savannah, forest/degraded forest and crops/fallow. However, the forest zone (Daloa), with forty-one (41) soil landscapes identified over the entire zone, is characterized by a majority of mafic rocks on a medium altitude under forest/degraded forest, water and crops/fallow. The criteria used from the codification method (sum of aggregations) made it possible to predict the spatial distribution of soil map units according to agro-ecological environments in the humid intertropical zone. This is essential for the orientation and reinforcement of soil survey tools. However, a comparative evaluation of the different multicriteria analysis methods for coding and weighting soil landscape unit mapping would enable us to identify the most suitable and efficient method for drawing up base maps for soil surveys.

关键词： GIS Multicriteria Analysis by Coding Soil Landscapes Daloa M’Bahiakro Cote D’Ivoire

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Formulation of Infant Flours Based on Fonio Enriched with Bambara Groundnut Anacardium (Cashew) and African Locust Bean Fruit Pulp

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Agricultural Sciences 2024年第9期15卷 1071-1088页

作者： Lawrence Roselynn Kra KouaKou Pierre Martial Thierry Akely Albarin Grodji Gbogouri Françoise kouame Laboratory of Food Biochemistry and Tropical Product Technologies UFR of Food Sciences and Technology Nangui-Abrogoua University Abidjan Ivory Coast Department of Science et Technologie Section (SVT) Ecole Normale Suprieure Abidjan Cte dIvoire

Infant malnutrition is a significant issue in Côte d’Ivoire, and this study aims to address it by formulating infant flours using local ingredients. Fermentation, germination, and malting methods were used to enhance the quality of six formulated flours, all based on Fonio and supplemented with Bambara groundnut, African locust bean fruit pulp, and cashew kernels. Results showed that Fonio had the highest carbohydrate content, while Bambara groundnut and Cashew kernels were rich in protein and lipid content. African locust bean fruit pulp was rich in fiber and Vitamin C, with a high β-carotene value. The cashew kernel had the highest energy value. Regarding mineral composition, African locust bean fruit pulp had the highest potassium content, while Bambara groundnut and African locust bean fruit pulp were rich in sodium. Cashew kernel and Fonio had higher iron and calcium content. Bambara groundnut had a higher zinc content, while cashew kernel had a higher magnesium content. The formulated flours made from fermented Fonio grains and enriched with Bambara groundnut, African locust bean fruit pulp, and cashew kernel had varying protein, fiber, carbohydrate, ash, and fat contents. The flour formulated with sprouted Fonio and enriched with the same ingredients had higher protein content and energy value than the other fermented seed-based flours. The mixed flours produced with fermented seeds and the flour produced from sprouted seeds met international standards. Overall, these findings offer valuable insights into the nutritional composition of the formulated flours and their potential to combat infant malnutrition in Côte d’Ivoire.

关键词： Infant Flours Formulation Fonio Groundnut African Locust Bean Fruit Pulp

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Petrographic, Geochemical and Metallogenical Context of the Geological Formations of the Goumere Region (North-East of Cote D’Ivoire): Implication to the Knowledge of Gold Mineralization

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International Journal of Geosciences 2024年第2期15卷 180-203页

作者： Fossou Jean-Luc Hervé Kouadio Alain Nicaise kouamelan Topka Kakeu Lionel Boya Roger Nicaise kanga Laboratory of Geology Mineral and Energy Resources (LGRME) Faculty of Earth Science and Mineral Resources Félix Houphou&#235t Boigny University Abidjan C&#244te d’Ivoire

The Gouméré region is located in the North-East of Côte d’Ivoire and is located in the South-West of the Bui furrow. In order to highlight the geology of the area studied, 14 samples were taken for studies using petrographic, geochemical and metallogenic methods. The study of macroscopic and microscopic petrography made it possible to highlight two major lithological units: 1) a volcano-plutonic unit, formed of gabbros, basalt, volcaniclastics and rhyodacite;2) a sedimentary unit (microconglomerate). From a geochemical point of view, the results obtained indicate that the plutonites are gabbro and gabbro diorite while the volcanics have compositions of basaltic andesites, rhyolite and dacites. The sediments have a litharenitic to sublitharenitic character. The metallogenic study made it possible to highlight hydrothermal alterations and metalliferous paragenesis on the formations studied. Hydrothermal alteration is characterized by the presence of carbonation, silicification, sericitization, sulfidation and to a lesser degree chloritization. Metalliferous paragenesis consists of pyrite, chalcopyrite, hematite and magnetite.

关键词： Petrography Geochemistry Metallogeny Gouméré Côte d’Ivoire

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Calcium-Magnesium Ca/Mg Ratios and Their Agronomic Implications for the Optimization of Phosphate Fertilization in Rainfed Rice Farming on Acidic Ferralsol in the Forest Zone of Ivory Coast

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Open Journal of Soil Science 2024年第1期14卷 81-96页

作者： Fernand G. Yao Brahima Kone Franck M. L. Bahan Kouadio Amani Jean L. Essehi Mamadou B. Ouattara Konan E. B. Dibi Brou kouame François Lompo Albert Yao-kouame Central Laboratory Soils Water and Plants (LCSEP) National Center for Agronomic Research (CNRA) Bouaké Ivory Coast Soil Water and Geomaterials Sciences Laboratory (LS2EG) Cocody-Abidjan Earth Sciences and Mining Resources Training and Research Unit (UFR STRM) Félix Houphou&#235t-Boigny University Abidjan Ivory Coast Department of Rice Program Man Research Station National Center for Agronomic Research (CNRA) Man Ivory Coast Department of Geography Unit of Training and Research (UFR) Communication Environment and Society University Alassane Ouattara Bouaké Ivory Coast Food Crops Research Station (SRCV) National Agricultural Research Center (CNRA) Bouaké Ivory Coast Institute of the Environment and Agricultural Research (INERA) Ouagadougou Burkina Faso

This study is a contribution to improving rice productivity on acidic plateau soils of the tropical rainforest zone. It is based on taking into account the cationic balances of the soil in order to optimize the phosphorus (P) nutrition of rice on these acidic soils, where this nutrient constitutes a limiting factor for agricultural production. Three (3) pot trials were conducted in Adiopodoumé in the forested south of Côte d’Ivoire. The interactive effects of calcium carbonate (0, 25, 50 and 75 kg Ca ha−1) and magnesium sulfate (0, 25, 50 and 75 kg Mg ha−1) were evaluated on the response of NERICA 5 rice at doses 0, 25, 50 and 75 kg P ha−1 of natural phosphate from Togo, applied only once at the start of the experiment. Additional fertilizers of nitrogen (N) (100 kg N ha−1) and potassium (K) (50 kg KCl ha−1) were added to each of the tests in a split-plot device. The test results revealed a paddy production potential of approximately 3 to 5 t⋅ha−1 for NERICA 5 on an acidic soil, under the effect of the interaction of P, Ca and Mg. The quadratic response of rice yield to the doses of these fertilizers would be more dependent on their balance, itself influenced by Ca nutrition. For the sustainability and maintenance of rice production in agro-ecology studied, it was recommended doses of 38 kg Ca ha−1, 34 kg Mg ha−1 in a Ca/Mg ratio (1/1) with intakes of 41 kg P ha−1, overall in a ratio 1/1/1 (P/Ca/Mg) more favorable to the availability of free iron considered a guiding element of mineral nutrition. Thus, these promising results should be confirmed in a real environment for better management of the fertilization of rice cultivated on acidic plateau soils in Côte d’Ivoire.

关键词： Soil Acidity Ca/Mg Ratios Phosphate Fertilization Rice Growing Ivory Coast

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