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Epidemiological and Clinical Profile and Immediate Outcome of Neonates Transferred from the Maternity Unit to the Neonatology Unit of the CSREF in Commune V of Bamako District, Mali

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Open Journal of Pediatrics 2024年第3期14卷 547-557页

作者： Maimouna Kante Ya Traoré Balilé Harber Beydari Mamadou Traoré Issiaka Koné Diéneba Sacko Maimouna Haidara Korotoumou Bamba Assitan Farota abdoulaye Kassogué Mohamed diarra Dramane Touré abdoul salam diarra Leyla Maïga Dicko Fatoumata Paediatric Ward CSR&#233f CV Bamako Mali Paediatric Ward of Nianankoro Fomba Hospital S&#233gou Mali Paediatric Ward of Kalaban CoroCSREF Bamako Mali Pediatric Department of the Mopti Reference Health Center Mopti Mali National Centre for Scientific and Technological Research Bamako Mali Paediatrics Department Mohamed VI Perinatal Clinic Bamako Mali Department of Paediatrics Gabriel Tour&#233 University Hospital Bamako Mali

Introduction: Neonatal mortality remains a major public health concern. According to the World Health Organisation (WHO), the number of newborns dying each year has fallen from 5 million in 1990 to 2.4 million in 2019. The aim of our study was to describe the main morbid conditions and their lethality in newborns admitted to the paediatric ward of the CSREF in Commune V. Methodology: We conducted a 12-month prospective descriptive and analytical study from August 2020 to July 2021. Results: During the 12 months of the study, out of 2654 neonates admitted to hospital, 216 met our inclusion criteria, i.e. 8%. Newborns admitted in the first few hours of life represented 99.54% of cases. Full-term newborns accounted for 65.74% of the total. Forty-eight percent of newborns had hypothermia on admission. The most common diagnosis was asphyxia in 55.56% of cases, followed by neonatal infection in 27.78% and prematurity in 10.65%. Death was recorded in 22.2% of cases. Asphyxia was the main cause of neonatal death, followed by prematurity in our context. Conclusion: Improving the prognosis of newborn babies will require a thorough understanding of neonatal pathologies and the implementation of a pre- and perinatal prevention policy.

关键词： Newborns Morbidity Mortality

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Pleomorphic Adenoma of the Salivary Glands: Two Atypical Locations

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International Journal of Otolaryngology and Head & Neck Surgery 2024年第3期13卷 251-257页

作者： Sidibé Youssouf diarra Abraham Samaké Djibril Sanogo Boubacar Traoré abdoul Moumine diarra Kassim Coulibaly Bourama Diakité Youssouf Keita Mohamed Amadou Department of ENT and Head and Neck Surgery Mother-Child University Hospital “ Le Luxembourg&#8221 Bamako Mali Faculty of Medicine and Odontostomatology Bamako Mali Department of ENT and Head and Neck Surgery The Mali-Gavardo Hospital Bamako Mali Ministry of Higher Education and Scientific Research Bamako Mali ENT and Head and Neck Surgery Department of the Commune V Reference Health Center (CSRef CV) Bamako Mali Department of ENT and Head and Neck Surgery at CHU Gabriel Touré Bamako Mali Department of Anatomy and Pathological Cytology Gabriel Tour&#233 University Hospital Center Bamko Mali Department of Oral Surgery Sikasso Regional Hospital Sikasso Mali

Pleomorphic adenoma is the most common tumor of the salivary glands, accounting for approximately 50% of salivary gland lesions. It develops mainly in the salivary glands: parotid (80%), submaxillary (10%), sublingual (1%) and in the accessory oral-pharyngeal glands (9%). The aim of this work was to report 2 cases of pleomorphic adenoma of atypical location and then to discuss the difficulties linked to its diagnostic and therapeutic management in the Malian context. They were a 40-year-old man and a 72-year-old woman. They were admitted to the ENT department of the “Luxembourg Mere-infant” hospital for oropharyngeal swelling for the first and swelling of the palate for the second. The clinical expression was a swelling in both cases, of a hard, mobile consistency with healthy mucosa on their surface. The remainder of the physical examination was unremarkable. The diagnosis of a tumor of the oropharynx and palate was made following clinical radiological examinations. The histopathological examination of the surgical specimen made it possible to make the diagnosis of pleomorphic adenoma of the palate and the left palatine tonsil. The follow-up surgery was straightforward, with a favorable outcome. Pleomorphic adenomas are relatively rare benign tumors of the accessory salivary glands;their clinical expression remains swelling. Therapeutic management is surgery and the diagnosis is confirmed by histopathological examination.

关键词： Pleomorphic Adenoma Palate Tonsil Mali

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Effect of Size and Initial Water Content on the Effective Diffusion Coefficient during Convective Drying of Sweet Potato Cut into Cubic and Cylindrical Shapes

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Journal of Materials Science and Chemical Engineering 2024年第6期12卷 71-82页

作者： Ibrango abdoul salam Ouoba Kondia Honoré Bama Désiré Traoré Yssa Zongo Karim Ouedraogo Salifou Laboratoire de Matriaux de lHliophysique et Environnement (La.M.H.E.) Unit de Formation et de Recherche en Sciences. Exactes et Appliques (UFR/SEA) Universit Nazi BONI de Bobo-Dioulasso Bobo-Dioulasso Burkina Faso

In this article, we investigated the influence of size and initial water content on the effective diffusion coefficient of sweet potatoes samples cut into cubic and cylindrical shapes. The sizes of the cubic samples are 0.5, 1, 1.5, 1.75, 2, 2.5 and 3 cm edge with a respective initial water content of 2.7, 3.76, 3.48, 2.68, 3.28, 2.17 and 2.29 kg/kgms. For cylindrical samples, the radius is set at 0.5 cm and sample heights are 1, 1.5, 2, 2.5, 3, 3.5 and 4 cm with respective water contents of 2.2, 3.19, 2.85, 2.1, 2.17, 2.39 and 2.03 kg/kgms. The effective diffusion coefficients of cubic samples are of the order of 10−10 and 10−9 m2∙s−1 grew with sample edge. As for the cylindrical samples, the effective diffusion coefficients were of the order of 10−9 m2∙s−1 and there was no linear correlation between cylinder height and their effective diffusion coefficient. As for the examination of the initial water content on the effective diffusion coefficient, it turned out that the initial water content had no influence on the effective diffusion coefficient of the sweet potato samples.

关键词： Effective Diffusion Coefficient Initial Water Content Sweet Potato Cubic Cylindrical

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Seasonal Performance of Solar Power Plants in the Sahel Region: A Study in Senegal, West Africa

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Smart Grid and Renewable Energy 2024年第2期15卷 79-97页

作者： Serigne abdoul Aziz Niang Mamadou Simina Drame Astou Sarr Mame diarra Toure Ahmed Gueye Seydina Oumar Ndiaye Kharouna Talla FST D&#233partement de Physique Universit&#233 Cheikh Anta Diop de Dakar Dakar S&#233n&#233gal Laboratoire de Physique de l’Atmosphère et de l’Océan Siméon Fongang Université Cheikh Anta Diop Dakar Sénégal

The main objective of this study is to evaluate the seasonal performance of 20 MW solar power plants in Senegal. The analysis revealed notable seasonal variations in the performance of all stations. The most significant yields are recorded in spring, autumn and winter, with values ranging from 5 to 7.51 kWh/kWp/day for the reference yield and 4.02 to 7.58 kWh/kWp/day for the final yield. These fluctuations are associated with intense solar activity during the dry season and clear skies, indicating peak production. Conversely, minimum values are recorded during the rainy season from June to September, with a final yield of 3.86 kWh/kW/day due to dust, clouds and high temperatures. The performance ratio analysis shows seasonal dynamics throughout the year with rates ranging from 77.40% to 95.79%, reinforcing reliability and optimal utilization of installed capacity. The results of the capacity factor vary significantly, with March, April, May, and sometimes October standing out as periods of optimal performance, with 16% for Kahone, 16% for Bokhol, 18% for Malicounda and 23% for Sakal. Total losses from solar power plants show similar seasonal trends standing out for high loss levels from June to July, reaching up to 3.35 kWh/kWp/day in June. However, using solar trackers at Sakal has increased production by up to 25%, demonstrating the operational stability of this innovative technology compared with the plants fixed panel. Finally, comparing these results with international studies confirms the outstanding efficiency of Senegalese solar power plants, other installations around the world.

关键词： Performance Study Photovoltaic Power Plant Season Variations Senegal

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Percutaneous Coronary Intervention in Acute Coronary Syndromes at the Mother-Child University Hospital Luxembourg in Bamako

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World Journal of Cardiovascular Diseases 2024年第4期14卷 288-294页

作者： Mamadou Toure Hamma Sankare Baba I. diarra Mariam Dagnogo Modibo Doumbia abdoul W. Terra Samba Sidibe Coumba A. Thiam Boubacar Sonfo Boubacar diarra Asmaou Keita Ousmane Traore Daouda Fofana Almou A. Diall Mady Sow Massama Konate Hamidou O. Ba Ichaka Menta Cardiology Department CHU-Mother Child Bamako Mali Cardiology Department CHU-Gabriel Tour&#233 Bamako Mali Faculty of Medicine University of Sciences Techniques and Technologies of Bamako Bamako Mali Department of Cardiac Surgery Center Andre FESTOC Bamako Mali Cardiology Department CHU-Point G Bamako Mali

Introduction: Acute coronary syndromes (ACS) are a diagnostic and therapeutic emergency. Objective: Studying the feasibility, difficulties and results of coronary angioplasty in acute coronary syndromes at the Luxembourg Mother-Child University Hospital in Bamako. Patients and Methods: Cross-sectional, descriptive study with prospective recruitment over 18 months from September 2020 to February 2022. All patients aged at least 18 years old admitted for SCA and having undergone PCI during the study period were included. Result: We collected 249 patients for SCA, of whom 160 underwent angioplasty, either an angioplasty/SCA ratio of 0.64. The average age of the patients was 59.54 ± 11.62 with extremes of 32 and 92 years. The age group of 45 to 65 years was the most representative. The predominance was male, sex ratio of 2.4. The main cardiovascular risk factors were high blood pressure (58.23%) and diabetes (45.78%). Persistent ST-segment elevation on the electrocardiogram was present in 71.48%. The treatment time was more than 12 hours after the first medical contact in 95.5%. The approach was radial in 96.5% of cases. Coronarography was pathological in 91.16% of our patients. The lesions were tri-truncular in 34.13% with the anterior inter ventricular as culprit artery in 72% of cases. The majority of patients (64%) had undergone angioplasty with implantation of an active stent. Angioplasty was performed successfully in 98% and per procedural mortality was 1.87%. Only 6.45% of ACS with ST elevation benefited from primary angioplasty. Conclusion: Percutaneous coronary intervention is performed routinely in our center with satisfactory results. Difficulties exist, related to the diagnostic delay of ACS and the high cost of angioplasty.

关键词： Acute Coronary Syndromes Coronary Angiography Angioplasty Mother-Child University Hospital Luxembourg Bamako Mali

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Acute Coronary Syndrome of Young Subjects at the Luxembourg Mother-Child University Hospital in Bamako

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World Journal of Cardiovascular Diseases 2024年第3期14卷 157-165页

作者： Mamadou Toure Mariam Dagnogo Massama Konate Mariam Sako Daouda Fofana Hamma Sankare Almou A. Diall Modibo Doumbia Baba I. Diarr Mady Sow abdoul Wahhab Terra Coumba A. Thiam Boubacar Sonfo Boubacar diarra Asmaou Keita Ousmane Traore Hamidou O. Ba Ichaka Menta Cardiology Department CHU-Mother Child Bamako Mali Cardiology Department CHU-Gabriel Tour&#233 Bamako Mali Faculty of Medicine University of Sciences Technics and Technologies of Bamako Bamako Mali Center Andre FESTOC Department of Cardiac Surgery of Bamako Mali Bamako Mali

Introduction: Acute coronary syndrome is often the first event of coronary disease of young subjects. Objective: To study sociodemographic, clinical, paraclinical, therapeutic and evolutionary aspects of acute coronary syndrome of young subjects. Patients and Methods: Descriptive cross-sectional study with prospective recruitment from October 01, 2020 to March 31, 2022. Were included all patients admitted for acute coronary syndrome whose age was less or equal to 45 years and who had undergone coronary angiography at the Mother-Child University Hospital on Luxembourg from Bamako. Results: During the study period, we collected 60 patient files out of 198. These 60 patient files met our inclusion criteria. Hospital frequency was 30.30%. Average age of patients was 40.43 ± 3.9 years. Sex ratio M/F was 5.3. Main cardiovascular risk factor was smoking tobacco (23.42%), followed by dyslipidemia (13.92%). Functional signs were dominated by angina 62% followed by dyspnea 25.3%. Persistent ST-segment elevation on electrocardiogram was present in 76.4%. Left ventricular systolic dysfunction was present in 26.5%. Time to first medical contact was more than 12 hours in 62.7% of cases. Radial approach was adopted in 94% of cases. Coronary angiography was pathological in 85% (n = 51) of cases. Lesions were single-vessel disease in 47.1% and culprit artery was anterior interventricular in 51% of cases. Dual anti-platelet aggregation was aspirin and ticagrelor in 91.8% of cases. Angioplasty was performed in all patients who had significant abnormalities at coronary angiography. In-hospital mortality was 3.9%. Conclusion: Acute coronary syndromes exist in young Africans with a male predominance. Main cardiovascular risk factor is smoking tobacco. Coronary lesions are single vessel disease in the majority of case. Most of patients meet medical team after 12 hours. Time to first medical contact is a main challenge in our country.

关键词： Acute Coronary Syndrome Young Subjects Coronary Angiography CHU Luxembourg Bamako

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Physical Transformations of Agri-Food Products during Their Convective Drying: Characterization of the Contraction and Isotropicity of Okra

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Journal of Minerals and Materials Characterization and Engineering 2023年第6期11卷 249-259页

作者： Kondia Honoré Ouoba Abdou-salam Ganame Désiré Bama abdoul salam Ibrango Salifou Ouedraogo Laboratoire de Matériaux de l’Héliophysique et Environnement (La.M.H.E.) Unité de Formation et de Recherche en Sciences Exactes et Appliquées (UFR/SEA) Université Nazi BONI Bobo Dioulasso Burkina Faso

The physical transformations in terms of contraction of okra dimensions during convective drying were examined. During drying, the lateral and longitudinal dimensions of okra decrease over time. The lateral dimensions go from their initial value to around 53%, 65% and 66% of this value after 530 min. The length of the two samples used goes from 8.65 and 9.02 cm to 6.79 and 7.52 cm after 14,300 min, i.e. a variation of 78.50% and 83.37%. All the two directions give variations almost linear depending on the water content. These linear contractions result in a volume contraction of the okra. It considerably decreases in volume during the drying process. The volume goes from 831.32 cm3 to 367.57 cm3 in min, a variation of 44.22%. The isotropic index reveals that okra does not behave the same in the lateral and longitudinal directions. It contracts its diameter more than its length.

关键词： Physical Transformations Contraction Isotropicity Okra

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Micropulse diode laser therapy in refractory glaucoma

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Advances in Ophthalmology Practice and Research 2023年第1期3卷 23-28页

作者： Moctar Issiaka Khalil Zrikem Adil Mchachi Leila Benhmidoune Rayad Rachid Mohamed EL.Belhadji abdoul salam Youssoufou Souley Abdou Amza Faculty of Medicine and Pharmacy Hassan II University of CasablancaCasablancaMorocco Adult Ophthalmology Department 20 August 1953 HospitalIbn Rochd University Hospital of CasablancaCasablancaMorocco Ophthalmology Department of the Amirou Boubacar Diallo National Hospital NiameyNiger

Purpose:Description of safety and efficacy of micropulse lYanssderal cydophotocoagulation as a treatment option for refractory ***:This is a prospective study including 39 eyes of 31 patients foil owed for refractory glaucoma,who benefited from transsderal cyclophotocoagulation using a mic topi used *** main indication for tire procedure was increased ocular pressure refractory to quadri therapy in various types of *** patients were tieated using iridex Cyclo G6 laser with a Micropulse P3 infrared probe with a wavelength of 810 *** parameter for tire procedure were a duration of 90 s per hemisphere with a power of 2000 mW and an eneigy of 180 *** tire upper and lower hemispheres were treated in tire same procedure,sparing tire 3 o'clock and 9 o'clock meridians,and aD tire patients benefited from a single treatment *** following parameters were evaluated;ocular pain and overall tolerance;visual acuity;and tire evolution of IOP postoperatively up to 9 ***:The glaucoma subtypes treated are as follows:primaty open-angle glaucoma(n=05),chronic angle-closure glaucoma(n=13),neovascular glaucoma(n=07),aphakic glaucoma(n=06),malignant glaucoma(n=04),post-traumatic angle recession(n=02),and inflammatoiy glaucoma(n=02).The mean pre-operative intraocular pressure was 42.3±5.2 mmHg and tire mean post operative intraocular pressure at 9 months was 16.9±1.9 mmHg The reduction in IOP was 49.9%.The average number of intraocular pressure-lowering medications used prior to surgery was four,and tire average number of medications used at tire 9-month postoperative visit was 2.0±1.2(703%of patients were on dual therapy).The overall success rate was 60.9%.Conclusions:Micropulse transsderal cydophotocoagulation appears to be a safe and effident treatment for refractory *** indications should therefore be broadened and proposed early in various situations.

关键词： Micropulse laser Transscleral cyclophotocoagulation Refractory glaucoma Intraocular pressure

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Watering techniques and zero-valent iron biochar pH effects on As and Cd concentrations in rice rhizosphere soils,tissues and yield

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Journal of Environmental Sciences 2021年第2期33卷 144-157页

作者： Md Shafiqul Islam Yali Chen Liping Weng Jie Ma Zulqarnain Haider Khan Zhongbin Liao abdoul salam Issiaka abdoul Magid Yongtao Li Agro-Environmental Protection Institute/Key Laboratory for Environmental Factors Control of Agro Product Quality Safety Ministry of Agriculture and Rural AffairsTianjin 300191China College of Natural Resources and Environment South China Agricultural UniversityGuangzhou 510642China Chinese Academy of Agricutural Sciences Beijing 100081China Department of Soil Quality Wageningen Universit6700 AAWageningenNetherlands

Zero-valent iron amended biochar(ZVIB)has been proposed as a promising material in immobilizing heavy metals in paddy *** this study,the impacts of p H of ZVIB(p H 6.3 and p H 9.7)and watering management techniques(watering amount in the order of CON(control,5/72)>3/72>1-3/72>3/100>1/72,with 5/72,for example,representing irrigation given to 5 cm above soil surface in 72 hr regular interval)on As and Cd bioavailability for rice and its grain yield(Yield BR)were investigated in a pot *** rice As(As BR)content was irrelative to the watering treatments,while significantly decreased(>50%)with the addition of both ZVIB *** diminutions of brown rice Cd(Cd BR)content as well as the Yield BR were highly dependent on both the soil amendment materials’p H and watering *** all the watering treatments,3/72 treatment(15%less irrigation water than the CON)with ZVIB 6.3 amendment was the optimum fit for simultaneous reduction of As BR(50%)and Cd BR contents(19%)as well as for significant increment(12%)of the Yield *** high pH(9.7)ZVIB application could also efficiently decrease As and Cd contents in brown rice,it might risk grain yield lost if appropriate(e.g.3/72 in our study)watering management technique was not ***,ZVIB would be an environmentally friendly option as an amendment material with proper selection of watering management technique to utilize As and Cd co-contaminated arable soils safely for paddy cultivation.

关键词： Brown rice As Brown rice Cd Grain yield Paddy soils Water management Zero-valent iron biochar

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Validation of a Characteristics Dimensions for Transfers during Convective Drying of Sweet Potato Cubic, Cylindrical and Spherical Shapes

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Open Journal of Applied Sciences 2023年第10期13卷 1714-1722页

作者： Ouoba Kondia Honore Ganame Abdou-salam Ibrango abdoul salam Bama Désiré Zougmore François Laboratoire de Matériaux de l’Héliophysique et Environnement (La.M.H.E.) Unité de Formation et de Recherche en Sciences Exactes et Appliquées (UFR/SEA) Université Nazi BONI de Bobo-Dioulasso Bobo-Dioulasso Burkina Faso Laboratoire des matériaux et Environnement (LA.M.E.) Unité de Formation et de Recherche en Sciences Exactes et Appliquée (UFR/SEA) Université de Ouaga I Pr KI-ZERBO Ouagadougou Burkina Faso

This present work solves the problem of initial shape influence on transfer during convective drying. A characteristic dimension is found for the cubic, cylindrical and spherical-shaped samples of the sweet potato. This characteristic dimension corresponds to the diameter D for the sphere, to the edge a for the cube and the diameter = height D = H for the cylinder. Unlike the sphere where this characteristic dimension is perfect, the cubic and cylindrical shapes have space factors which are, among other things, angles and borders. By fixing the same characteristic dimensions, we end up with overlapping curves, showing identical and uniform transfers.

关键词： Drying Initial Size Characteristic Dimension Forms

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