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Epidemiological, Clinical and Paraclinical Profile of Osteoarthritis of the Lower Limbs in Obese Patients at the Cocody University Teaching Hospital

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Open Journal of Rheumatology and Autoimmune Diseases 2024年第2期14卷 69-76页

作者： Nzima Brice Kollo Aboubakar Bamba¹ Aboubacar Sidiki Condé Nzima Hilary Ngon Kanbaye Medom Ada Nina Kpami yaya coulibaly Kan Joseph Enoch Koffi Ehaulier Soh Christian Louis Kouakou Mohamed Diomandé¹ Edmond Eti Rheumatology Department Cocody University Hospital Abidjan C&#244te d&#8217Ivoire Internal Medicine Department Yaounde University Hospital Yaounde Cameroon Rheumatology Department Bouake University Hospital Bouake C&#244te d&#8217Ivoire

Objective: To describe the epidemiological, clinical and paraclinical characteristics of osteoarthritis of the lower limbs in obese patients at the Cocody University Teaching Hospital. Methodology: This was an analytical cross-sectional study carried out in the rheumatology department of the Cocody UTH in Abidjan (Ivory Coast) from March 1 to April 30 2023. Patients who came for rheumatology consultation presenting with mechanical arthralgia of the lower limbs, who were obese, had radiographic images were included. All patients without radiographic images were excluded. Obesity was defined as a body mass index (BMI) greater than or equal to 30 kg/m. The Chi2 test was used to compare proportions and determine the existence of associations between osteoarthristis and obesity, obesity severity and radiographic stage of osteoarthritis as well as the functional impact. A p-value below a predefined threshold (p = 0,05) indicates a significant relationship between the variables. Result: Out of 185 patients received for osteoarthritis of the lower limbs during the study period, 136 were obese (74%). There were 115 women (84.6%) with an average age of 56.03 with a standard deviation of 12.72 years (extremes: 22 and 84 years). The main socio-professional category was the informal sector (30%). The majority of patients had a low socio-economic level (80.2%) and lived in urban areas (92.6%). The most common past medical history was hypertension (33.08%) followed by peptic ulcer disease (16.91%). Patients had a body mass index class 1 (81.6%), class 2 (15.40%) and class 3 (2.90%). The average duration of symptom progression until diagnosis was 11 months. Genu varum was the main static disorder (56.10%) and the knee joint was the dominant topography (90.4%) with a bilateral localization (80%). The average Lequesne index was greater than 8 (59.5%). The Kellgren and Lawrence radiographic stages were stage 1 (9.20%), stage 2 (46.90%), stage 3 (29.20%) and stage 4 (6.90%).

关键词： Osteoarthritis Lower Limbs Obesity Abidjan

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Numerical analysis and geophysical monitoring for stability assessment of the Northwest tailings dam at Westwood Mine

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International Journal of Mining Science and Technology 2017年第4期27卷 701-710页

作者： coulibaly yaya Belem Tikou Cheng LiZhen Research Institute on Mines and Environment (RIME) Universite du Quebec en Abitibi-Temiscamingue Rouyn-Noranda J9X 5E4 Canada

The Westwood Mine aims to reuse the tailings storage facility #1(TSF #1) for solid waste storage, but,downstream of the Northwest dike is considered critical in terms of stability. This paper uses numerical modeling along with geophysical monitoring for assessing the Northwest dike stability during the restoration phase. The impact of waste rock deposition in the upstream TSF #1 is considered. The geophysical monitoring is based on electrical resistivity methods and was used to investigate the internal structure of the dike embankment in different deposition stages. The numerical simulations were performed with SLOPE/W code. The results show a factor of safety well above the minimum recommended value of 1.5. Geophysical monitoring revealed a vertical variation in the electrical resistivity across the dike, which indicates a multilayer structure of the embankment. Without any current in situ data, the geophysical monitoring helped estimating the nature of the materials used and the internal structure of the embankment. These interpretations were validated by geological observation of geotechnical log of the embankment. Based on this study, it is recommended that the water polishing pond be partly filled before waste rock is deposited in TSF #1. In addition, to ensure the stability of the dike, the piezometric head monitoring prior to and during waste rock deposition is recommended.

关键词： Mine tailings impoundment Dike Embankment Numerical analysis Factor of safety Geophysical monitoring

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Systemic Scleroderma at University Teaching Hospital (UTH) of Cocody (Abidjan—Cote d’Ivoire): A 19 Cases Report

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Open Journal of Rheumatology and Autoimmune Diseases 2019年第4期9卷 134-143页

作者： Mariam Gbané Cesar Gael Houndénou Baly Ouattara Guy Leopold Kengni Mohamed Diomande Kouassi Jean Mermoz Djaha Abidou Kawalé coulibaly yaya coulibaly Edmond Eti Rheumatology Department UTH of Cocody Abidjan Cote d’Ivoire

Objective: The aim of this study was to describe the epidemiological, clinical and therapeutic features of systemic scleroderma at Cocody UTH. Methodology: We conducted a retrospective and descriptive study over a period of 10 years (September 15, 2008 to April 15, 2019) on the files of patients hospitalized for systemic scleroderma in the rheumatology unit of the UTH of Cocody. We used the classification criteria of the American Society of Rheumatology (1980) to retain the diagnosis. Results: Nineteen patients’ files had been collected, representing a hospital frequency of 0.32%. The average age was 37.25 ± 13.82 years old. There were 15 women and 4 men. The average consultation time was 26.44 months. The mode of revelation of the disease was mostly cutaneous and articular. All patients had cutaneous sclerosis (average Rodnan score = 27.63/11.61 (min = 4, max = 49).) Scleroderma was diffuse in 70.59% of cases;a Raynaud’s phenomenon was seen in 47.37%. The main clinical manifestations were: cutaneous (100%), articular (89.47%), pulmonary (57.89%) and digestive (63.16%). No renal damage was found. Pulmonary fibrosis (5 cases), pulmonary arterial hypertension (3 cases) and pericardial effusion (2 cases) were sometimes founded in explorations. The positivity of antinuclear antibodies (ANA) was seen in 72% of patients and anti scl70 antibodies in 42.85%. The treatment included corticosteroids and immunosuppressants, respectively used in 84.2% and 63.16% of cases. The outcome was marked by 5 cases of death attributed to respiratory distress. Conclusion: Systemic scleroderma seems to be a very rare condition in Ivorian rheumatology milieu. The main systemic manifestations were digestive and pulmonary. Treatment was very often symptomatic sometimes associated with D-penicillamine.

关键词： Systemic Scleroderma Sclerodactyly Abidjan

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Etiologies of Bone Metastases at the Rheumatology Department (UTH) of Abidjan

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Open Journal of Rheumatology and Autoimmune Diseases 2020年第1期10卷 1-7页

作者： Mariam Gbané Jean Claude Soglo Mohamed Diomandé Guy Léopold Kengni Baly Ouattara Jean Mermoz Djaha Kouassi You Nina Carmelle Kpami yaya coulibaly Edmond Eti Rheumatology Department University Teaching Hospital (UTH) of Cocody Abidjan C&#244 te d'Ivoire

Objectives: The aim of this study was to describe the diagnostic and etiological aspects of bone metastases in the Rheumatology Department of Cocody’s University Teaching Hospital (UTH). Methodology: This was a descriptive, 11-year retrospective study (January 1, 2006 to December 31, 2016) of inpatient records of bone metastases. The diagnosis was made on clinical (bone signs), radiological (osteolysis, bone condensation) and sometimes histological basis. Result: Eighty out of 6, 1111 inpatients suffered from bone metastasis with a hospital frequency of 1.30%. The average age was 60.74 years (range 26 to 81 years). Men were predominant (53 men for 27 women) with a sex ratio of 1.96. The main complaints were pain (97.6%). chronic (90%), severe (73.8%), inflammatory (93.8%). There was sometimes a neurological complication: a motor deficit (21.3%), sensitive (13.8%). These symptoms were associated with fever (56.3%) and altered general state (85%). Bone metastases have been revealing in the vast majority of cases (93.75%);the primary cancer was known only in 5 patients (prostate = 2, breast = 2 and cervix = 1). Bone condensation (61.3%), osteolysis (50%) and mixed lesions (7.5%) where the main radiological lesions observed. The primary tumors were: prostatic (50%), pulmonary (18.8%), mammary (11.3%), uterine (5%), renal (2.5%), hepatic (2.5%), bladder (1.3%) and adrenal (1.3%). Conclusion: Bone metastases affect mostly the elderly;inflammatory spinal pain is the main symptom. Bone condensation is the most common radiologic lesion. The prostate, breast and lungs are the main primary tumors.

关键词： Bone Metastases Bone Condensation Prostate Cancer Africa

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Digestive Surgical Emergencies at the “Mother Child”Hospital Center Luxembourg in Mali

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Surgical Science 2024年第5期15卷 299-310页

作者： Cheickna Tounkara Amara coulibaly yaya Ongoiba Aboubakrine Sylla Abdoul Karim Simaga Bréhima B. coulibaly Aminata Dabo Souleymane Dembele Samake Hamidou Sidiki Keita Sékou Bréhima Koumare Soumaïla Keita Bakary Tientigui Dembele Zimogo Zié Sanogo Djibril Sangare Department of General Surgery and Anesthesia-Resuscitation of the “ Mother Child&#8221 Hospital Center Luxembourg Bamako Mali Social Health Service of the Armed Forces of Mali Bamako Mali Department of General Surgery “ A&#8221 and Cardiovascular of Point G University Hospital Bamako Mali Department of General Surgery of CHU Gabriel TOURE Bamako Mali

Digestive surgical emergencies concern all patients admitted urgently, for whom a decision for surgical intervention may be necessary within 24 hours. They are on guard duty day and night. To carry out this work, we set ourselves the objectives of: 1) Studying digestive surgical emergencies in the general surgery department of the “Mother Child” Le Luxembourg hospital in Bamako, Mali;2) Determine the frequency of digestive surgical emergencies, 3) Describe the clinical and therapeutic aspects, and 4) Analyze the results of treatment. From November 1, 2022 to October 31, 2023, the general surgery department of the “Mother Child” Luxembourg Hospital Center in Bamako, Mali, carried out 139 digestive surgical emergencies whose files were usable;75 men and 64 women, a sex ratio of 1.2. The 20 - 40 years old age group was the most represented, at 40.29%. The average age was 39 years;the extremes 16 years and 93 years with a standard deviation of 21.65 years. The reference concerned 51.08% of our patients. Abdominal pain was the main reason for consultation (100% of cases). In the majority of cases, the physical examination made it possible to make the diagnosis. Faced with certain clinical cases, we requested ultrasound (109/139), ASP (46/139) and CT (15/139). The main etiology was acute appendicitis with 42.45% of cases. The frequency of digestive surgical emergencies was 10.71% of all activities in the general surgery department of the “Mère Enfant” Le Luxembourg hospital center in Bamako. All our patients were seen in consultation by an anesthesiologist before entering the operating room. The surgical consequences were complicated in 11.51% of cases with 7.91% deaths. Surgical site infections accounted for 12.5% of postoperative complications. Eleven deaths were noted, representing 68.75% of complications and 7.91% of our sample. Acute peritonitis was the cause of death in 100% of cases. The average cost of care was 329,000 FCFA.

关键词： Emergency Digestive Surgery Post-Operative Complication

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An Application of Machine Learning Methods to Detect Mango Varieties

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Open Journal of Applied Sciences 2024年第7期14卷 1666-1690页

作者： Abou Bakary Ballo Moustapha Diaby Adama coulibaly Department of Mathematics and Computer Science University FLIX HOUPHOUT-BOIGNY Abidjan Cte dIvoire African College of Information and Communication Technologies Abidjan Cte dIvoire

The mango, a fruit of immense economic and dietary significance in numerous tropical and subtropical regions, plays a pivotal role in our agricultural landscape. Accurate identification is not just a necessity, but a crucial step for effective classification, sorting, and marketing. This study delves into the potential of machine learning for this task, comparing the performance of four models: MobileNetV2, Xception, VGG16, and ResNet50V2. These models were trained on a dataset of annotated mango images, and their performance was evaluated using precision, accuracy, F1 score, and recall, which are standard metrics for image classification. The Xception model, with its exceptional performance, outshone the other models on all performance indicators. It achieved a staggering accuracy of 99.47%, an F1 score of 99.43%, and a recall of 99.43%, showcasing its remarkable ability to accurately identify mango varieties. MobileNetV2 followed closely with performances of 98.95% accuracy, 98.85% F1 score, and 98.86% recall. ResNet50V2 also delivered satisfactory results with 97.39% accuracy, 97.08% F1 score, and 97.17% recall. VGG16, however, was the least effective, with a precision rate of 83.25%, an F1 score of 83.25%, and a recall of 85.47%. These results confirm the superiority of the Xception model in detecting mango varieties. Its advanced architecture allows it to capture more distinguishing features of mango images, leading to greater precision and reliability. Xception’s robustness in identifying true positives is another advantage, minimizing false positives and contributing to more accurate classification. This study highlights the promising potential of machine learning, particularly the Xception model, for accurately identifying mango varieties.

关键词： Machine Learning Recognition Mango Varieties Algorithms Feature Extraction Convolution Training Classification

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Analysis of the Energy and Environmental Sustainability of a Built Space System: The Case of Patte d’Oie University Campus in Ouagadougou

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Energy and Power Engineering 2024年第5期16卷 197-215页

作者： Daouda Sawadogo Ousmane coulibaly Xavier Chesneau Belkacem Zeghmati Laboratoire de Physique et de Chimie de l’ Environnement (LPCE) Department of Physics Universit&#233 Joseph KI-ZERBO Ouagadougou Burkina Faso Multidisciplinary Modeling and Simulation Laboratory (LAMPS) Mechanics and Energetics Group (GME) Universit&#233 Perpignan Via Domitia Perpignan France

The aim of this study was to carry out a dynamic simulation of the energy and environmental performance of a built space system, with a view to assessing its energy and environmental class. The use of a simulation and modeling tool, supported by various methodological references, formed the basis of our approach. Adopting a systemic perspective, we described the structural and functional aspects of the systems making up built spaces, as well as the associated energy flows. Our approach was also based on a typology, taking into account typical days, structural and functional configurations at different scales and angles of observation. The analysis tool we developed in Java was applied to the built space system of the Patte d’Oie university campus in Ouagadougou. Annual electricity consumption was measured at 124387.34 kWh, closely aligned with the average annual electricity bill (125224.31 kWh), with a maximum relative deviation of 1%, followed by a carbon emission balance of 58337.66 kg eq CO2 per year. This validation confirmed the effectiveness of our tool. In addition, following the analysis of electricity consumption using our tool, the university campus was classified in energy class B and environmental class C. These results will be based on the emission factors of the energy mix of the West African Economic and Monetary Union (WAEMU) territory, with particular emphasis on Burkina Faso.

关键词： Energy Function Energy Class Carbon Footprint Built Space Consumption Item Systemic Approach Typological Approach

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The Dual of the Two-Variable Exponent Amalgam Spaces (L^q(),l^p())(Ω)

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Journal of Applied Mathematics and Physics 2024年第2期12卷 383-431页

作者： Sambourou Massinanke Sékou coulibaly Mamadou Traore Departement d’Etudes et de Recherches de Mathématiques et d’Informatique Université des Sciences des Techniques et des Technolo-gies de Bamako Bamako Mali

Wiener amalgam spaces are a class of function spaces where the function’s local and global behavior can be easily distinguished. These spaces are ex-tensively used in Harmonic analysis that originated in the work of Wiener. In this paper: we first introduce a two-variable exponent amalgam space (Lq(),lp())(Ω). Secondly, we investigate some basic properties of these spaces, and finally, we study their dual.

关键词： Amalgam Spaces Variable Exponent Lebesgue Spaces Dual of a Vector Space

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Numerical Modelling of Coupled Heat and Mass Transfer in Porous Materials: Application to Cinder Block Bricks

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Open Journal of Applied Sciences 2024年第9期14卷 2360-2373页

作者： Benjamin Kiema Ousmane coulibaly Xavier Chesneau Belkacem Zeghmati Laboratory of Environmental Physics and Chemistry (LPCE) Department of Physics Joseph KI-ZERBO University Ouagadougou Burkina Faso Laboratory of Modelling Pluridisciplinary and simulation (LAMPS) University of Perpignan Via Domitia Perpignan France

In this work, we present numerical modelling of coupled heat and mass transfer within porous materials. Our study focuses on cinder block bricks generally used in building construction. The material is assumed to be placed in air. Moisture content and temperature have been chosen as the main transfer drivers and the equations governing these transfer drivers are based on the Luikov model. These equations are solved by an implicit finite difference scheme. A Fortran code associated with the Thomas algorithm was used to solve the equations. The results show that heat and mass transfer depend on the temperature of the air in contact with the material. As this air temperature rises, the temperature within the material increases, and more rapidly at the material surface. Also, thermal conductivity plays a very important role in the thermal conduction of building materials and influences heat and mass transfer in these materials. Materials with higher thermal conductivity diffuse more heat.

关键词： Numerical Modelling Coupled Transfer Building Materials Luikov Model Finite Differences

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Cryo-EM *** X

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四川生理科学杂志 2024年第10期46卷 2349-2349页

作者： Fasséli coulibaly Biomedicine Discovery Institute Monash University Clayton VIC Australia

In this issue of Cell,Penzes et *** the use of cryo-EM to identify the cause of a mysterious disease affecting farmed superworms across the *** study illustrates the power of ex vivo cryo-EM,which uses amplification-f... 详细信息

关键词： mechanism packaging vivo

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