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Experience of Patients Who Underwent Scheduled Gynaecological Surgery at the Bogodogo University Hospital, Burkina Faso

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Open Journal of Obstetrics and Gynecology 2023年第9期13卷 1595-1603页

作者： Yobi Alexis Sawadogo Adama Ouattara Issa Ouédraogo Sibraogo Kiemtoré emmanuel ouedraogo Dantola Paul Kain Charlemagne ouedraogo Ali ouedraogo Department of Obstetrics and Gynaecology Bogodogo University Hospital Ouagadougou Burkina Faso Health Science Training and Research Unit Joseph Ki-Zerbo University Burkina Faso Department of Obstetrics and Gynaecology Ouahigouya Regional Hospital Burkina Faso Department of Obstetrics and Gynaecology Yalgado Ouédraogo University Hospital Burkina Faso Department of Obstetrics and Gynaecology Tengandogo University Hospital Ouagadougou Burkina Faso

Introduction: Surgery can cause anxiety and worry, such as waking up in pain, being physically harmed or dying. This study aimed to assess the experience of patients undergoing planned gynaecological surgery in the Obstetrics Gynaecology and Reproductive Medicine department of the University Hospital Centre of Bogodogo. Patients and methods: This was a cross-sectional study with prospective data collection during the period from June 1 to August 31, 2018. The study population consisted of patients who received scheduled gynaecological surgery during the period. Results: Seventy-six (76) patients underwent scheduled surgery and 62 were included. During discussion with the gynaecologist, 58 patients (93.55%) were satisfied. When the surgery was announced, 41 patients (66.13%) were anxious. At the consultation with the anaesthetist 59 patients (95.16%) were satisfied with the discussions. Fifty-five patients (88.7%) were anxious on admission to the operating theatre. The quality of care was satisfactory for 61 patients (98.39%) and all patients were satisfied with the care team. Conclusion: Periodic evaluation of patients’ experiences should therefore be incorporated into care evaluation policies in health facilities in order to contribute to continuous improvement in the quality of medical and surgical care.

关键词： Experience Surgery Gynaecology Bogodogo

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Hydro Mechanical Properties of Cement and Cellulose Stabilized Compressed Clay Bricks

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材料科学与工程（中英文A版） 2014年第11期4卷 348-355页

作者： emmanuel ouedraogo Abdoulaye ouedraogo Adamah Messan Laboratoire des Energies Thermique et Renouvelable universitk de Ouagadougou Burkina Faso 03 B.P. 7021 OuagadougouBurkina Faso Laboratoire Eco-Materiaux de Construction 2iE 01 BP 594 Ouagadougou 01 Burkina Faso

An experimental investigation is carried out in order to characterize the properties of new construction materials. Clay blocks stabilized with cement and recycled papers are successively tested. When these composite materials are utilized as finish for house envelops, they must have appropriate mechanical strength and water stability. Mechanical properties such as compression and tensile tresses of clay-cement and clay-cement-paper mixtures are found to be quite similar but are two to three times greater respectively for clay-paper and purely clay blocks. The former mixtures are also very stable regarding water. The above results give the optimum conditions for the utilization of these new construction materials.

关键词：电机械性能水稳定性粘土砖泥水压缩纤维素粘土水泥建筑材料

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Study of Axisymmetric Infinite Guide Lined with Locally Reacting Material without Flow Using DtN Operators

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Open Journal of Applied Sciences 2024年第2期14卷 572-588页

作者： Boureima ouedraogo emmanuel Redon Department of Physics and Chimistry C.U. Kaya Université Joseph Ki-Zerbo Ouagadougou Burkina Faso ESIREM Université de Bourgogne Dijon France

The present work proposed a new method for the modeling by the finite element method of the acoustic propagation problems in infinite axisymmetric cylindrical guides lined with locally reacting absorbent materials without flow. The method deals with the development of an efficient transparent boundary condition based on DtN operators. The method developed in this study is successfully applied to a straight axisymmetric lined guide by imposing a mode on one of the artificial boundaries of the truncated guide. The results are in good agreement with analytical solutions. Applying the method for a non-uniform axisymmetric lined guide which is a complex case, proved its effectiveness and the results compared to those of PML layers are in very good agreement.

关键词： DtN Operator Axisymmetric Cylindrical Guides Finite Element Method Modes

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Performance Evaluation of Solar Chimney Draft: Application to Ventilation

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Smart Grid and Renewable Energy 2024年第4期15卷 107-122页

作者： Boukaré ouedraogo Adama ouedraogo Arouna Kabore Kalifa Palm Dieudonné Joseph Bahiebo Laboratoire dEnergies Thermiques Renouvelables (LETRE) Universit Joseph KI-ZERBO: UFR/SEA Ouagadougou Burkina Faso Laboratoire de Chimie Analytique Physique Spatiale et Energtique (LACAPSE) Universit Norbert ZONGO Koudougou Burkina Faso Centre Universitaire Polytechnique de Kaya (CUP-Kaya) Universit Joseph KI-ZERBO Ouagadougou Burkina Faso Laboratoire des Systmes dEnergie Renouvelable et Environnement Institut de Recherche en Sciences Appliques et Technologies (IRSAT) Centre National de la Recherche Scientifique et Technologique (CNRST) Ouagadougou Burkina Faso

Ventilation is one of the factors contributing to energy consumption in buildings and food preservation. The solar chimney proves to be an alternative for reducing conventional energy consumption. Thus, in this study, the performance of a solar chimney with two active faces for thermally drawing air from a chamber for preserving agri-food products was evaluated. These performances were experimentally assessed through data measurements: temperatures and velocities within the chimney, and their analysis using Excel and MATLAB. The obtained results were compared with those from literature to verify their validity. From this study, it is found that the maximum temperature at the chimney outlet reaches 49.4˚C with an average value of 43.7˚C. Additionally, the heating evolution of the chimney air presents four (04) identical phases in pairs, reflecting the chimney’s operation throughout day. The temperature difference between the outlet and inlet of the chimney reaches a maximum of 17˚C with an average of 12.6˚C. Regarding airflow, the maximum air velocity at the chimney outlet is 0.8 m/s, and the average velocities have consistently been greater than or equal to 0.46 m/s. Thus, it can be concluded that the solar chimney is capable of providing ventilation for the preservation chamber through thermal draft.

关键词： Solar Chimney Natural Ventilation Thermal Draft Airflow Chimney Effect

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Acute Toxicity and Anthelmintic Effects of Gomphrena serrata L. (Amaranthaceae) Extracts on Adult Worms and Eggs of Haemonchus contortus

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Pharmacology & Pharmacy 2024年第5期15卷 207-221页

作者： Hippolyte ouedraogo Mohamed Bonewendé Belemlilga Aristide Traore Gilchrist Abdoul Laurent Boly Félicité Moyenga Gueswindé Geoffroy ouedraogo Sylvain Ilboudo Lazare Belemnaba Sylvin ouedraogo Laboratoire de Recherche-Dé veloppement de Phytom&#233dicaments et M&#233dicaments (LR-D/PM) Institut de Recherche en Sciences de la Sant&#233 (IRSS) Centre National de la Recherche Scientifique et Technologique (CNRST) Ouagadougou Burkina Faso Laboratoire de Dé veloppement du M&#233dicament (LADME) Centre de Formation deRecherche et d&#8217Expertises en Sciences du M&#233dicament (CEA-CFOREM) &#201cole Doctorale Sciences de la Sant&#233 (ED2S) Universit&#233 Joseph KI-ZERBO Ouagadougou Burkina Faso International Research Laboratory-Environnement Sant&#233 Soci&#233t&#233s (IRL 3189 ESS) CNRS/CNRST/UCAD/UGB/USTTB Ouagadougou Burkina Faso

Gomphrena serrata L. (Amaranthaceae) is a medicinal plant widely used traditionally in rural areas to treat many diseases, including gastrointestinal helminthiasis of small ruminants. This work aims to estimate the plant extracts phytochemical potential and study the activities of the aqueous decoction (GS_AD), aqueous macerate (GS_AM), and hydroalcoholic macerate (GS_HEM) of Gomphrena serrata extracts on two developmental stages (eggs and adult worms) of Haemonchus contortus. Phytochemical screening was carried out. The acute toxicity test was performed according to the Organisation for Economic Co-operation and Development (OECD) test guideline 423. The Haemonchus contortus eggs hatching inhibition test was performed left to incubate for 48 hours in the presence of the different plant extracts at increasing concentrations of 0.125;0.25;0.5;0.625;1;2;3 mg/mL. For the motility inhibition test on adult worms, the worms were contacted with the extracts at concentrations of 0.75;1;1.25;1.5;2;3;4 mg/mL and left to incubate for 24 hours. Albendazole and levamisole were used as standard. Phytochemical screening revealed the presence of tannins, saponins, reducing compounds, coumarins and derivatives, anthocyanins, steroids, triterpenes, and flavonoids. An acute toxicity study showed that the oral LD50 value of G. serrata was estimated to be 5000 mg/kg. All extracts showed an effect on both stages of parasite development. The hatching inhibition rate was 100% from 3 mg/mL for all three extracts. The rate of inhibition of motility was 100% from 4 mg/mL for each extract. HEM is more efficient on eggs and Haemonchus contortus adult worms than other extracts with IC50 of 0.457 mg/mL and LC50 of 1.329 mg/mL, respectively. These results suggest that Gomphrena serrata, a plant used by farmers, has anthelmintic properties.

关键词： Gomphrena serrata Haemonchus contortus Anthelmintic In Vitro

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Growth, Population Parameters and Stock Status of Sarotherodon galilaeus in Samandeni Reservoir, Burkina Faso

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Open Journal of Ecology 2024年第4期14卷 257-273页

作者： Nomwine Da Raymond ouedraogo Mahamoudou Minoungou Adama Oueda Institute for the Environment and Agricultural Research National Center for Scientific and Technological Research Ouagadougou Burkina Faso Animal Biology and Ecology Laboratory Joseph Ki-Zerbo University Ouagadougou Burkina Faso

Mango tilapia, Sarotherodon galilaeus is one of the most caught fish species in the Samandeni multi-species fishing sites of which, few data on its biology and exploitation are available. The study aimed to Assess the stock status of S. galilaeus. Sampling was conducted from March, 2021 to February 2022 based on commercial fish catches to analyze growth parameters, first sexual maturity size and harvest status of the stock. A total of 572 specimens including 297 females and 275 males were examined. The stock assessment was performed by using the Length based Bayesian method of Biomass (LBB) and that of growth by the ELEFAN method. The growth parameters showed a seasonality of growth and females appeared to grow faster than males. On the other hand, males had a greater asymptotic length than females. Results on the estimated length of fish at first maturity showed that females firstly reached the maturity compared to males. The relative biomass (B/B0) estimated for the stock was higher than the relative biomass that produces maximum sustainable yield (BMSY/B0) indicating healthy biomass. In addition, the length at first sexual maturity was less than the length at the first catch, indicating the absence of overfishing of growth. In addition, extending the study to the various stocks of the reservoir would be important for the sustainable management of the Samandeni high economic fishing area.

关键词： Growth Stock Status Sarotherodon galilaeus Samandeni Reservoir Maturity

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Ultrasound of the Rotator Cuff in Non-Fractured Shoulder Trauma: 30 Cases at the Yalgado ouedraogo University Hospital of Ouagadougou (Burkina Faso)

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Open Journal of Medical Imaging 2024年第2期14卷 64-71页

作者： Milckisédek Judicaël Marouruana Some Aïda Ida Tankoano Pakisba Ali ouedraogo Ladouon Sylvie Simboro Bassirou Kindo Siaka Ben Aziz Dao Rabiou Cisse Department of Medical Imaging The Ouahigouya Regional University Hospital University of Ouahigouya Ouahigouya Burkina Faso Department of Medical Imaging Souro Sanou University Hospital Nazi Boni University Bobo Dioulasso Burkina Faso Department of Medical Imaging Workers Health Office Ouagadougou Burkina Faso Department of Medical Imaging Yalgado Oudraogo University Hospital Joseph Ki Zerbo University Ouagadougou Burkina Faso

Introduction: Ultrasound is the imaging technique of choice for the study of rotator cuff lesions. However, in the case of shoulder trauma, it is rarely requested in our context. This study aimed to show ultrasound lesions of the rotator cuff in cases of non-fracture shoulder trauma at the CHUYO in Ouagadougou. Methodology: This was a prospective descriptive cross-sectional study running from August 1 to November 30, 2017, in the medical imaging department of CHUYO. The study population consisted of patients received in the department for ultrasound in the context of non-fracture shoulder trauma. Results: We collected 20 cases (66.67%) of rotator cuff lesions out of 30 non-fracture shoulder injuries. The mean age of the patients was 27.6 years. Road traffic accidents accounted for 60% of injuries, sports accidents for 30%, and domestic accidents for 10%. Ultrasound lesions were mainly tendon ruptures (36.67%) and tendinitis (23.33%). Ruptures were non-transfixing in 90.90% of cases. The supraspinatus was the most affected (81.81%). Conclusion: Ultrasound can help diagnose rotator cuff injuries, particularly in non-fractured shoulder trauma.

关键词： Traumatic Shoulder Rotator Cuff Ultrasound

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Simulation and Performance Analysis of Six Types of Sun Tracker Approaches:A Comparative Analysis for Solar Concentrating Technology Application at Burkina Faso

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Journal of Energy and Power Engineering 2024年第1期18卷 1-8页

作者： Stanislas Sanfo Serge Dimitri Bazyomo Tizane Daho Abdoulaye ouedraogo Laboratoire de Physique et de Chimie de l’Environnement(LPCE) Departement de PhysiqueUnitéde Formation et de Recherche en Sciences Exactes et AppliquéesUniversitéJoseph KI-ZERBOOuagadougouBP 7021Burkina Faso Laboratory of Thermal and Renewable Energies Department of Physics Unit of Training and Research on Exact and Applied SciencesUniversity Joseph KI-ZERBOOuagadougouBP 7021Burkina Faso Laboratoire Recherche Développement(LARED) Universitéde OuahigouyaBurkina Faso

Modelization equations of six approaches for tracking the sun are recalled and used to evaluate the constraints and performances to which they lead to.The geographical study case is taken for the specific latitude of 12 North that is a good matching with the location of the country of Burkina Faso.Three decisive periods were locally established in order to consider the different travels of the sun on sky during one year.This work presents some technical data which facilitates the choice of sun tracking approaches with concern of a concentrator limits such as its angle of acceptance,its motion control card interpolation model,or its minimum irradiation level for energy conversion effectiveness.

关键词： Solar radiation sun tracker Burkina Faso experimental data

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Chest Radiography: General Practitioners’ Compliance with Recommendations

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Open Journal of Medical Imaging 2024年第2期14卷 56-63页

作者： Milckisédek Judicaël Marouruana Some Aïda Ida Tankoano Pakisba Ali ouedraogo Bassirou Kindo Nina-Astrid ouedraogo Mohammed Ali Harchaoui Department of Medical Imaging The Ouahigouya Regional University Hospital University of Ouahigouya Ouahigouya Burkina Faso Department of Medical Imaging Souro Sanou University Hospital Nazi Boni University Bobo Dioulasso Burkina Faso Department of Medical Imaging Bogodogo University Hospital Joseph Ki Zerbo University Ouagadougou Burkina Faso Private Radiologist Lille France

Introduction: Chest radiography is the most frequently prescribed imaging test in general practice in France. We aimed to assess the extent to which general practitioners follow the recommendations of the French National Authority for Health in prescribing chest radiography. Methodology: We conducted a retrospective analysis study, in two radiology centers belonging to the same group in Saint-Omer and Aire-sur-la-Lys, of requests for chest radiography sent by general practitioners over the winter period between December 22, 2013, and March 21, 2014, for patients aged over 18 years. Results: One hundred and seventy-seven requests for chest X-rays were analyzed, 71.75% of which complied with recommendations. The most frequent reason was the search for bronchopulmonary infection, accounting for 70.08% of prescriptions, followed by 11.2% for requests to rule out pulmonary neoplasia, whereas the latter reason did not comply with recommendations. Chest X-rays contributed to a positive diagnosis in 28.81% of cases. The positive diagnosis was given by 36.22% of the recommended chest X-rays, versus 10% for those not recommended. Conclusion: In most cases, general practitioners follow HAS recommendations for prescribing chest X-rays. Non-recommended chest X-rays do not appear to make a major contribution to diagnosis or patient management, confirming the value of following the recommendations of the French National Authority for Health.

关键词： Chest X-Ray Recommendations General Practitioners Prescription

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On a Compound Poisson Risk Model Perturbed by Brownian Motion with Variable Premium and Tail Dependence between Claims Amounts and Inter-Claim Time

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Open Journal of Statistics 2024年第1期14卷 1-37页

作者： Delwendé Abdoul-Kabir Kafando Kiswendsida Mahamoudou ouedraogo Pierre Clovis Nitiema Department of Mathematics University Joseph Ki-Zerbo Ouagadougou Burkina Faso Department of Mathematics University Ouaga 3s Ouagadougou Burkina Faso Department of Mathematics University Thomas-Sankara Ouagadougou Burkina Faso

This paper considers the compound Poisson risk model perturbed by Brownian motion with variable premium and dependence between claims amounts and inter-claim times via Spearman copula. It is assumed that the insurance company’s portfolio is governed by two classes of policyholders. On the one hand, the first class where the amount of claims is high, and on the other hand, the second class where the amount of claims is low, this difference in claim amounts has significant implications for the insurance company’s pricing and risk management strategies. When policyholders are in the first class, they pay an insurance premium of a constant amount c1 and when they are in the second class, the premium paid is a constant amount c2 such that c1 > c2. The nature of claims (low or high) is measured via random thresholds . The study in this work will focus on the determination of the integro-differential equations satisfied by Gerber-Shiu functions and their Laplace transforms in the risk model perturbed by Brownian motion with variable premium and dependence between claims amounts and inter-claim times via Spearman copula. .

关键词： Gerber-Shiu Function Copula Integro-Differential Equation Laplace Trans-form Brownian Motion

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