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Associated Factors of Dental Caries among Intellectually Disabled Persons in Specialized Centers of Ouagadougou

Open Journal of Epidemiology 2024年第2期14卷 297-311页

作者： Jocelyne Valerie Gare Filwende Dan kientega Ouedraogo Carole Nathaie Tenin Ouattara Seydou Kabore Wendpoulomde Aime Désire Nicolas Meda Training and Research Unit in Health Sciences Department of Public Health Joseph Ki Zerbo University Ouagadougou Burkina Faso Training and Research Unit in Health Sciences Department of Dental Surgery Joseph Ki Zerbo University Ouagadougou Burkina Faso

Introduction: Several studies have reported a high prevalence of dental caries among the people with intellectual disabilities. In order to identify the sociodemographic, clinical and behavioral factors associated with it, we conducted a study in specialized centers welcoming subjects with intellectual disabilities in Ouagadougou (Burkina Faso). Objectives: The objective of this study was to identify the factors associated with it among intellectually disabled in the specialized centers of Ouagadougou. Methods: The study was cross-sectional analytical. The survey took place between November 2020 and January 2021 among people with intellectual disabilities in reception centers receiving a grant from the Ministry of Women, National Solidarity, Family and Humanitarian Action. Data collection was done with a questionnaire adapted from the World Health Organization (WHO) and dental caries was recorded according to WHO criteria in decayed, missing or filled teeth generating a DMF index. Logistic regression was used to identify factors associated with the presence of dental caries. Results: A total of 193 participants were included in the study with an average age of 12.4 years ± 7.9. The overall prevalence of caries measured with the DMF index was 58.6% 95% CI [51.2 - 65.8]. It was significantly associated with female gender (OR = 4.2;95% CI [1.4 - 12.5], p = 0,01), the clinical form of mental illness (epilepsy OR = 3.8 95%;CI [1.2 - 12.7], p = 0,02, trisomy OR = 5.0;95% CI [1.1 - 22.9], p = 0,03, motor autonomy OR = 0.2 95%;CI [0.1 - 0.7], p = 0,01) and at use of toothpaste OR = 9.33;95% CI [1.05 - 82.7], p = 0,04. Conclusion: Dental caries remains a very present pathology in most people living with an intellectual disability. Also, it is necessary to put in place prevention strategies to reduce its prevalence and improve access to oral care for these people.

关键词： Dental Caries Mental Disability Intellectual Disability Associated Factors Ouagadougou

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Spatial Analysis of Structural Changes and Floristic Distribution of Forest Landscapes in the Centre-West Region of Burkina Faso

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Journal of Geoscience and Environment Protection 2024年第9期12卷 246-268页

作者： Stéphane Koudougou Oumar Kaboré Space and Society Dynamics Laboratory Université Joseph KI-ZERBO Ouagadougou Burkina Faso National Center for Scientific and Technological Research/Institute for Environment and Agricultural Research (CNRST/INERA) Space and Society Dynamics Laboratory of Université Joseph Ki-Zerbo Ouagadougou Burkina Faso

Land use and occupation dynamics impact landscape structure, diversity, richness and balance of vegetation cover. The aim of this study is to describe the process of fragmentation of the forest landscape from 1990 to 2020 and its effects on the degradation of the floristic characteristics of the vegetation in the Central West region of Burkina Faso. To achieve this, satellite data were collected and processed as part of a mapping approach to describing the landscape and the different types of landscape fragmentation. Mapping indices of landscape fragmentation (relative richness, change process, patch zones, Shannon diversity index) were also calculated. These indices were programmed in Idrisi Selva’s Landscape Pattern and change process analysis module. Spatio-temporal analysis revealed that in 1990, the landscape was dominated by natural vegetation formations, covering 66.33% of the territory. By 2020, these had been degraded to 44.80% by farmlands. The mapping analysis of indices also showed that the study area is characterized by four types of landscape fragmentation, including attrition, aggregation, creation and dissection. We also observed an abundant homogeneity, diversity and richness of conservation areas with legal and land tenure status. However, the structure is heterogeneous in landscapes outside protected areas and in areas under human occupation. This shows the crucial role played by conservation areas in preserving and balancing the diversity of vegetative cover in the study area.

关键词： Change Process Fragmentation Remote Sensing Landscape Burkina Faso

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Extent and Structure of Phenotypic Variability in Solenostemon rotundifolius Germplasm from Ghana and Burkina Faso

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Agricultural Sciences 2024年第1期15卷 146-164页

作者： Ignace Tonde Romaric kiswendsida Nanema Alphonse Tegawende Sawadogo Department of Plant Biology and Plant Physiology Faculty of Earth and Life Sciences Joseph Ki-Zerbo University Ouagadougou Burkina Faso É quipe Génétique et Amélioration des Plantes Laboratoire Biosciences Joseph Ki-Zerbo University Ouagadougou Burkina Faso

Solenostemon rotundifolius is a species belonging to the Lamiaceae family. It is currently one of the minor plants of high socio-economic interest. One of the limitations to promoting this species in Burkina Faso is the lack of varieties that meet consumers’ demands. Implementing a breeding program is an important step toward achieving this goal. Such a program is based on the variability of agronomical traits of interest within evaluated germplasm. This study aimed to assess the level of two germplasms variability of S. rotundifolius from Ghana and Burkina Faso for traits related to vegetative development, cycle, and yield. Agromorphological characterization of 174 accessions, including 116 from Ghana and 58 from Burkina Faso was carried out in Randomised Complete Block Design with three replications. The characterization was made on the basis of fifteen (15) quantitative traits related to the canopy and leaf size, the cycle, and the yield. Analysis of variance revealed significant differences between accessions within each germplasm for all the evaluated traits. The analysis of the structuration of this agromorphological variability allowed organizing the accessions into different groups. These results could lead to the identification of accessions within each germplasm for breeding purposes or future research on genotype-environment interactions.

关键词： Lamiaceae Tuber Germplasm Agromorphological Variability

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Evaluation of Medical Prescribers’ Theoretical Knowledge on Medical Imaging in the Northern Region of Burkina Faso

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Open Journal of Radiology 2024年第2期14卷 33-41页

作者： Some Milckisédek Judicaël Marouruana Ouedraogo Pakisba Ali Tankoano Aïda Ida Savadogo Habibou kindo Bassirou Ouedraogo Nina-Astrid Bamouni Yomboé Abel Diallo Ousseini Department of Medical Imaging 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 Workers Health Office Joseph Ki Zerbo University Ouagadougou Burkina Faso Department of Medical Imaging Yalgado Oudraogo University Hospital Joseph Ki Zerbo University Ouagadougou Burkina Faso

Introduction: Medical imaging is a medical specialty that involves producing images of the human body and interpreting them for diagnostic, therapeutic purposes, and for monitoring the progress of pathologies. We aimed to assess the theoretical knowledge of doctors and interns in medical imaging in the northern region of Burkina Faso. Methodology: This was a descriptive cross-sectional survey based on a self-administered questionnaire. Prescribers knowledge was estimated based on scores derived from questionnaire responses. Results: We collected 106 questionnaires out of 163, i.e. a participation rate of 65.03%. The average knowledge score was 81.71% for the contribution of medical imaging to patient management. It was 60.02% for the indications/counter-indications of radiological examinations and 72.56% for the risks associated with exposure to radiation during these examinations. The score was 59.83% for the methods used to select the appropriate radiological examination. As regards the completeness of the clinical and biological information on the forms requesting imaging examinations, the score was 96.65%. Specialist doctors had the highest overall level of knowledge (74.68%). Conclusion: Improved technical facilities, good initial and in-service training, and interdisciplinary collaboration will help to ensure that imaging tests are properly prescribed, leading to better patient care.

关键词： Theoretical Knowledge Medical Imaging Northern Region Burkina Faso

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Postpartum Eclampsia in the Department of Obstetrics Gynecology and Reproductive Medicine of the Souro Sanou University Hospital;Burkina Faso: About 76 Cases

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Open Journal of Obstetrics and Gynecology 2024年第8期14卷 1176-1184页

作者： Yaméogo Rélwendé Barnabé Sawadogo Amidou Kaboré Ahmed Komboigo Béwendin Evelyne Dembélé Adama Somé Der Adolphe Souro Sanou University Hospital Bobo Dioulasso Burkina Faso Public Health Department of joseph ki-zerbo University Ouagadougou Burkina Faso

Background: Postpartum eclampsia is a life-threatening obstetric emergency. Its management is multidisciplinary. Despite measures taken to accelerate the reduction of maternal, fetal and infant mortality in Burkina Faso, maternal deaths related to postpartum eclampsia persist. The aim of the study was to investigate the epidemiological, clinical and prognostic aspects of postpartum eclampsia in the obstetrics department of the Sourô Sanou University Hospital in Bobo-Dioulasso. Method: This was a descriptive cross-sectional study with retrospective data collection covering the period from June 1, 2018 to May 31, 2019. We included 76 patients in the study;the variables studied were the epidemiological, clinical and prognostic aspects. The data collected were entered on a microcomputer and analyzed with the EPI info version 7.2 software. Results: The prevalence of postpartum eclampsia was 0.87% compared to admissions to the obstetrics department. The average age of the patients was 23 years old with the extremes of 15 and 39 years old. Primiparas accounted for 39.47%, housewives 53%, and home births accounted for 15.79%. Seizures accounted for 55% of the reasons for admission, the average time to onset of these seizures postpartum was 3.8 days with extremes of 1 and 30 days with 45% of seizures occurring postpartum immediately. Maternal complications were noted in 42.10% of cases with 5 cases of Hellp syndrome, 3 cases of renal failure, and 3 cases of acute pulmonary edema. We recorded 4 cases of maternal death, representing a case fatality rate of 5.2%. Conclusion: Postpartum eclampsia is common in the obstetrics department of the Souro Sanou University Hospital Center with a significant case fatality rate. Emphasis should be placed on monitoring and prevention, especially women at risk of developing postpartum eclampsia for better maternal prognosis.

关键词： Eclampsia Postpartum Epidemiology Prognosis

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Contribution of Computed Tomography to the Diagnosis of Urinary Lithiasis in a West African University Hospital

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Open Journal of Radiology 2024年第2期14卷 25-32页

作者： Some Milckisédek Judicaël Marouruana Tankoano Aïda Ida Ouedraogo Pakisba Ali Tonde Kouka François Dassis kindo Bassirou Zanga Soré Moussa Ouedraogo Nina-Astrid Bamouni Yomboé Abel Department of Medical Imaging 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 Charles de Gaulle University Paediatric Hospital Joseph Ki Zerbo University Ouagadougou Burkina Faso Department of Medical Imaging Bogodogo University Hospital Joseph Ki Zerbo University Ouagadougou Burkina Faso Workers Health Office Joseph Ki Zerbo University Ouagadougou Burkina Faso

Introduction: Urinary lithiasis is defining as a condition characterized by the formation of concretions in the kidneys or urinary excretory tract. We aimed to study professional practice in CT urinary lithiasis at CHUYO. Materials and method: This was a descriptive cross-sectional study with retrospective data collection covering 3 years from January 2017 to December 2019. Results: In general, it was noted that CT scans in our environment provide all the elements needed by urologists to diagnose urinary lithiasis and its impact on the urinary system. However, there are shortcomings, particularly in terms of the accuracy of the shape and density of the stones in the CT scan reports, which does not make it easier for urologists to decide on treatment. Conclusion: Computed tomography plays a major role in the diagnosis and therapeutic management of urinary lithiasis, and its use needs to be improved in our context.

关键词： Computed Tomography Urinary Lithiasis Diagnosis CHUYO

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Study of Harmful Vaginal Practices of Women in the Municipality of Ouagadougou, Burkina Faso

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Health 2024年第5期16卷 425-438页

作者： Daniel Dori Ramata Porgo Hyacinthe Zamané Nicolas Méda Rasmané Semdé Drug Development Laboratory African Center of Excellence for Training Research and Expertise in Pharmaceutical Sciences (CEA-CFOREM) Sciences and Health Doctoral School Training and Research Unit in Health Sciences Joseph Ki-Zerbo University Ouagadougou Burkina Faso Charles De Gaulle University Children’ s Hospital (CHUP-CDG) Ouagadougou Burkina Faso Public Health Laboratory Sciences and Health Doctoral School Joseph Ki-Zerbo University Ouagadougou Burkina Faso Mother and Child Laboratory Sciences and Health Doctoral School Joseph Ki-Zerbo University Ouagadougou Burkina Faso

Introduction: Vaginal practices include washing, altering, cutting, cleaning, enhancing, drying, tightening, lubricating, or loosening of the vagina, labia, clitoris, or hymen. This study aimed to investigate the different vaginal practices of women using non-pharmaceutical products. Methodology: This was a cross-sectional study with descriptive and analytical purposes that took place from January 15 to April 23, 2023, in the four largest markets in the municipality of Ouagadougou. This was performed using the data collection sheet in the KoboCollect application. Epi info 7.***.5.0. software was used for data analysis. For the analysis of associated factors, a p-value Results: In total, 977 women were surveyed. Among them, 43.19% underwent vaginal procedures using non-pharmaceutical products. The female practitioners were 34.34 ± 7.44 years old. The products used included plants, mineral substances, ointments, tablets, and solutions. Among the practicing women, 40.99% were looking for vaginal tightening. The main purpose was to maintain their partners (45.97%). Three-point thirty-two percent (3.32%) of the women who underwent vaginal procedures had reported adverse events. Conclusion: Raising awareness of the consequences of vaginal practices and encouraging women to go to a health center for any gynecological problem could significantly reduce the prevalence of vaginal practices.

关键词： Vaginal Practices Women Adverse Events Products

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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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Stochastic Model of Dengue: Analysing the Probability of Extinction and LLN

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Applied Mathematics 2024年第9期15卷 594-613页

作者： Ragnimwendé Sawadogo Fourtoua Victorien Konané Wahabo Baguian Dpartement de Mathmatiques Unit de Recherche et de Formation en Sciences Exactes et Appliques Universit Joseph KI-ZERBO Ouagadougou Burkina Faso

In this article, we develop and analyze a continuous-time Markov chain (CTMC) model to study the resurgence of dengue. We also explore the large population asymptotic behavior of probabilistic model of dengue using the law of large numbers (LLN). Initially, we calculate and estimate the probabilities of dengue extinction and major outbreak occurrence using multi-type Galton-Watson branching processes. Subsequently, we apply the LLN to examine the convergence of the stochastic model towards the deterministic model. Finally, theoretical numerical simulations are conducted exploration to validate our findings. Under identical conditions, our numerical results demonstrate that dengue could vanish in the stochastic model while persisting in the deterministic model. The highlighting of the law of large numbers through numerical simulations indicates from what population size a deterministic model should be considered preferable.

关键词： Dengue Fever Continuous-Time Markov Chain Multitype Branching Process Probability of Disease Extinction Law of Large Numbers

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Analysis of the Effect of Temperature and Relative Humidity on the Reliability of a Photovoltaic Module

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Advances in Materials Physics and Chemistry 2024年第8期14卷 165-177页

作者： Abdoulaye Kabré Dominique Bonkoungou Zacharie Koalaga Dpartement de Physique Laboratoire de Matriaux et Environnement (LA.M.E)-UFR/SEA Universit Joseph Ki-ZERBO Ouagadougou Burkina Faso

Photovoltaic energy occupies a significant place in the renewable energy market, with photovoltaic (PV) modules playing a vital role in converting solar energy into electricity. However, their effectiveness is likely to be affected by variations in environmental conditions, including temperature and relative humidity. The study examines the impact of these major climatic factors on the reliability of PV modules, aiming to provide crucial information for optimizing and managing these systems under varying conditions. Inspired by Weibull’s law to model the lifespan of components, we proposed a mathematical model integrating a correction factor linked to temperature and relative humidity. Using this approach, simulations in Matlab Simulink reveal that increasing temperature and relative humidity have an adverse impact on the reliability and lifespan of PV modules, with a more pronounced impact on temperature. The results highlight the importance of considering these environmental parameters in the management and optimization of photovoltaic systems to ensure their long-term efficiency.

关键词： Solar Energy PV Module Lifespan Reliability Efficiency

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