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Micropulse diode laser therapy in refractory glaucoma

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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Physical Transformations on Organic Product during Its Convective Drying: Case of Sweet Potato

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Journal of Biophysical Chemistry 2024年第2期15卷 25-34页

作者： Ouoba Kondia Honoré Ganamé Abdou-salam Compaoré Aboubakar Ibrango abdoul salam Bama Désiré Zougmoré Francois Desmorieux Hélène 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 Bobo Dioulasso Burkina Faso Laboratoire des Matriaux et Environnement (LA.M.E.) Unit de Formation et de Recherche en Sciences Exactes et Applique (UFR/SEA) Universit Joseph KI-ZERBO Ouagadougou Burkina Faso Laboratoire de Physique et de Chimie de lEnvironnement (LPCE) Ecole Doctorale Sciences et Technologie (ED-ST) Universit Joseph KI-ZERBO Ouagadougou Burkina Faso Laboratoire dAutomatique et de Gnie des Procds(LAGEP) Universit Claude Bernard Lyon France

This study highlighted the physical transformation that agri-food products undergo during their drying. This transformation enormously affects the customer’s choice and the profit margin of the dried product promoter. The example of the experimental study of the potato reveals that the product continually changes its dimensions during its drying. The more the product loses its water, the more the dimensions decrease. The results initially showed that the water parameters such as mass or water content decrease according to the drying principle. The dimensions length L., width l and thickness e. decrease following a linear trend whose mathematical equations which describe them are determined using the office tool, excel. This trend has repercussions on the surface and volume parameters which in turn decreases almost linearly with the product’s water content. Note that the coefficient R2 is not always acceptable, confirming the complex nature of the behavior of organic products.

关键词： Dimensions Reduction Shrinkage Index I

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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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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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Evaluation of the Integrated Management Program for Acute Malnutrition in the Douentza Health District, Mopti Region, Mali

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Food and Nutrition Sciences 2024年第8期15卷 790-806页

作者： abdoul salam Diarra Lamine Traore Mohamed Diarra Tawfiq Abu Mamadou Traore Yacouba Guindo Sidi Sangare Seydou Kante Intimbeye Tembine Dramane Coulibaly Mamadou Fodé Diarra Salia Keita Sadio Sambala Diallo Mamadou Samake Hamadoun Sangho National Center for Scientific and Technological Research Bamako Mali Division of Nutrition Regional Directorate of Health and Public Hygiene Mopti Mali Department of Pediatric Health Referral Center of Kalaban Coro Koulikoro Mali Private Practice for Family and Emergency Medicine Casablanca Morocco Division of Nutrition General Directorate of Health and Public Hygiene Bamako Mali Administration Department Health Referral Center of Djenne Mopti Mali Administration Department Health Referral Center of Douentza Mopti Mali Administration and Planning Department Regional Health Directorate Mopti Mali Division of Health Department Regional Health Directorate of Mopti Mopti Mali Golden Life American Hospital Bamako Mali Department of Public Health Faculty of Medicine and Odontostomatology University of Sciences Techniques and Technologies of Bamako Bamako Mali

Introduction: Malnutrition is a major public health problem in Mali, despite the efforts of the government, its technical and financial partners. The aim of this study was to evaluate the integrated management program for acute malnutrition (IMPAM). Methodology: This was a descriptive cross-sectional study that took place from January to December 2020 in the Douentza health district. The study included anyone with at least one malnourished child aged 6 to 59 months in their care who agreed to take part in the study, community health center staff who had given their consent, and the URENI manager at the Douentza reference health center. Data collected via questionnaires were entered into Excel and then analyzed using Epi-Info version 7 software. Results: A total of 138 acutely malnourished children aged 6 - 59 months, including 71 girls (51.45%), 138 accompanying mothers and 11 health workers, were included in our case study. Among the malnourished, 54.34% were in the 12 - 23 months age group and 69.57% had the severe form. 93% of the mothers interviewed were satisfied with the care provided, and all the health staff interviewed stated that community conflicts had an impact on IMPAM’s activities. Cure rates were 81% in Moderate Outpatient Nutritional Recovery and Education Unit (URENAM), 84% in Severe Ambulatory Nutritional Recovery and Education Unit (URENAS) and 92% in Recovery and Intensive Nutritional Education Unit (URENI). Drop-out rates were 19% in URENAM, 16% in URENAS and 0% in URENI. The death rate was 8% in URENI and 0% in URENAM and URENAS. Conclusion: This study confirms the high prevalence of malnutrition in the district (10.54%). It also reveals that factors such as inter-community conflict and insecurity have seriously affected the IMPAM program.

关键词： Care Acute Malnutrition Children Aged 6 - 59 Months IMPAM Douentza

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Therapeutic Profile and Prognostic Factors of Patients Suffering from Upper Digestive Bleeding at Sikasso Regional Hospital

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Open Journal of Gastroenterology 2024年第9期14卷 300-312页

作者： Oumar Traoré abdoul salam Diarra Dramane Touré Tawfiq Abu Amadou Boubeye Maïga Kadiatou Cissé Saïdon Touré Mohomedine Touré Aboudou Dolo Youana Koné Madou Traoré Mamadou Togo Kalba Péliaba Mamadou Samaké Hamadoun Sangho Service of Internal Medicine Regional Hospital Sikasso Mali National Center for Scientific and Technological Research Bamako Mali Department of Pediatric Health Referral Center of Kalaban Coro Koulikoro Mali Private Practice for Family and Emergency Medicine Casablanca Morocco Service of Nephrology Regional Hospital Sikasso Mali Department of Infectious Disease Regional Hospital Sikasso Mali Service de Mdecine Interne CHU Gabriel Tour Bamako Mali Service dHpato-Gastro-Entrologie CHU Gabriel Tour Bamako Mali Department of Public Health Faculty of Medicine and Odontostomatology University of Sciences Techniques and Technologies of Bamako Bamako Mali

Introduction: Upper digestive hemorrhage is one of the main digestive emergencies and remains a major cause of morbidity and mortality in Mali. The aim of this study was to describe the therapeutic profile and outcome of patients suffering from upper digestive haemorrhage. Methodology: This was a prospective study carried out in the internal medicine department of the Sikasso Regional Hospital from August 2022 to July 2023. All adult patients presenting with upper digestive haemorrhage and having given their consent, were included. Data were analyzed using SPSS version 21 software. Results: Sixty-three patients were enrolled. The mean age was 49.7 ± 18.99 years, with a male-female sex ratio of 2.2. Ruptured esophageal varices (37.5%) and peptic ulcer (25%) were the main etiologies. Pharmacological treatment was dominated by proton pump inhibitors (85.7%). Hemostasis endoscopy accounted for 3.17%. The evolution was marked by hemorrhagic arrest (69.84%), recurrence of hemorrhage (11.11%) and death (19.04%), the main cause of which was hemorrhagic shock (58.3%). We found no statistically significant relationship between prognosis and etiologies (P = 0.11), and length of hospital stay (P = 0.18). Conclusion: Hemostasis endoscopy remains a challenge for Sikasso Hospital. A holistic strategy of communication and community awareness-raising, combined with adequate technical facilities, will help to improve patient care and outcomes.

关键词： Digestive Hemorrhage Digestive Endoscopy Treatment Outcome

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Factors Associated with Mortality in Children Aged 1 Month to 15 Years Hospitalized in the Pediatric Ward of the Kalaban-Coro Reference Health Center: Cross-Sectional Study

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Open Journal of Pediatrics 2024年第5期14卷 800-813页

作者： abdoul salam Diarra Mohamed Diarra Dramane Touré Tawfiq Abu Beyadari Balilé Harber Maimouna Kanté Issa Guindo Belco Maiga Karamoko Sacko Kalirou Traoré Fatoumata Dicko Mamadou Togo Kalba Pélieba Mariam Sylla Mamadou Samaké Hamadoun Sangho National Center for Scientific and Technological Research Bamako Mali Department of Pediatric Health Referral Center of Kalaban Coro Koulikoro Mali Pediatric Department of the Mopti Referral Health Center Mopti Mali Private Practice for Family and Emergency Medicine Casablanca Morocco Paediatric Ward of Nianankoro Fomba Hospital Segou Mali Paediatric Ward Referral Health Center of Common V Bamako Mali Administration Department Health Referral Center of Kalaban Coro Koulikoro Mali Department of Paediatrics Gabriel Toure University Hospital Bamako Mali Department of Internal Medicine CHU Gabriel Tour Bamako Mali Service dHpato-Gastro-Entrologie Gabriel Toure University Hospital Bamako Mali Department of Public Health Faculty of Medicine and Odontostomatology University of Sciences Techniques and Technologies of Bamako Bamako Mali

Introduction: Infant and child mortality is a worldwide concern, but developing countries such as Mali are more affected. The aim of this study was to investigate morbidity and factors associated with mortality in children aged 1 month to 15 years. Methodology: This was a cross-sectional study which took place from January 1 to December 31, 2020 covering children aged 1 month to 15 years hospitalized at the Kalaban-Coro CSRéf. Data were entered into Excel and analyzed using SPSS version 20 software. Results: Five hundred children aged 1 months to 15 years were included. The age range 1 to 5 years (53.6%) and male sex (58.2%) were the most represented. Malaria (72.2%), acute respiratory infections (6.2%) and diarrhea/dehydration (3%) were the main morbidities. Mortality was estimated at 10.6%, and the two main causes of death were malaria (56.6%) and acute respiratory infections (7.54%). Univariate analysis revealed a statistically significant association between the dependent variable (death) and age (p Conclusion: This study confirms the high rate of infant and child morbidity and mortality in our health facilities. Strengthening human resources and intensifying behavior-change communication can help reverse the trend.

关键词： Children Aged 1 Months to 15 Years Morbidity Factors Associated with Mortality Morbidity

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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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Geotechnical Risk Assessment and Geological Origin of Building Fracturation in Agadez City(North Niger)

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Journal of Environmental & Earth Sciences 2022年第2期4卷 33-44页

作者： Baraou Idi souley abdoulwahid Sani abdoul Wahab Djibo Maiga Moussa Konaté Department of Geology University of AgadezAgadezNiger High Authority for Atomic Energy of Niger(HANEA Niger)OTICENiameyNiger Department of Geology University of NiameyNiameyNiger

The Agadez city is built on the faulted and fractured sandstones formation of the“Agadez Sandstones”,which deposit in unconformity on the Precambrian basement of the Aïr *** present study focuses on the geotechnical risk assessment and geological origin of building fracturation in Agadez city.A methodological approach integrating measurement of fractures planes affecting the buildings and their statistical analysis has been *** analysis of obtained data showed that in 100 fractured buildings,about 3%buildings are at risk of collapse(very high risk),64%buildings are fractured(medium risk of collapse),and 34%buildings are cracked(lower risk of collapse).These results showed as well that the nature of the material(rheology)influences the buildings ***,the buildings made from cement are more easily fractured than buildings made from clay *** analysis of fracture planes reveals that the geotechnical risk associated with buildings fracturation propagates in NW-SE,corresponding to the major directions of risk propagation,mainly dipping in northwest sectors(zones)of the Agadez *** interpretation of geological and geophysical data combined to those obtained in the case of this study,reveals that the risk associated with buildings fracturation in Agadez city is caused by geological seismic events and or anthropogenic activities(explosive firing on the uranium mining sites like Somaïr and Cominak).

关键词： Geotechnical risks Geological origin Buildings fracturation Fractures Cracks Faults Agadez city Niger

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Compositional, Structural, Surface Characterizations of Natural Magnetite from Air Massif (Niger) in Relation to Its Catalytic Activity

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Journal of Minerals and Materials Characterization and Engineering 2020年第4期8卷 197-204页

作者： Mamane souley abdoul Aziz Adouby Kopoin Ousmane Mahamane Sani Département d’Energie Fossile Institut Universitaire de Technologie Université d’Agadez Agadez Niger LAPISEN Ecole Doctorale Polytechnique INPHB Yamoussoukro Cote d’ivoire Département de Chimie Faculté des Sciences et Technique Université d’Agadez Agadez Niger

Ferrimagnetic materials such as natural magnetite are used for practical applications because of their electronic, magnetic and catalytic properties in the degradation of organic compounds. In order to determine its physicochemical properties in relation to its catalytic activity, the natural magnetite of Ofoud Mount (Niger) is characterized by X-ray florescence (XRF), X-ray diffraction (DRX), specific surface area (BET) and Fourier transformed infrared (FTIR). The result shows an iron content of 97.09% and a specific surface area of 69.742 m2/g. The crystal structure of magnetite is cubic with lattice parameters α = β = γ = 90°, a (Å) = b (Å) = c (Å) = 8.3740. The results of this study suggest that the natural magnetite of Ofoud Mount can be used as iron source in various fields of science despite the presence of a few impurities that can improve its catalytic activity.

关键词： Magnetic Mineral Composition Structural Surface Area

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