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Epidemiological, Clinical and Coronary Angiography Aspects of Acute Coronary Syndrome in the Cardiology Department of the Hospital Mother-Child “Le Luxembourg”Mali

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World Journal of Cardiovascular Diseases 2024年第4期14卷 228-233页

作者： Sidibé Samba toure mamadou Konate Massama Sankaré Hamma Traoré Ousmane Mahamat Guire Sadik Diall Mahan Ameri Dicko Bahaide Daffe Sanoussy Keita Asmaou Thiam Coumba Adiaratou Diarra Soumaila Menta Ichaka Cardiology Department CHU-M&#232re Enfant Bamako Mali Cardiology Department CHU-Point G Bamako Mali Faculty of Medicine University of Sciences Techniques and Technologies of Bamako Bamako Mali Cardiology Department CHU-Gabriel Tour&#233 Bamako Mali Cardiology Department Mali Hospital Bamako Mali

Introduction: Cardiac catheterisation plays a fundamental role in the management of acute coronary syndrome. These explorations require heavy, complex and costly equipment and a large team of doctors, nurses and technicians with highly specialized training. Aims: To describe epidemiological, clinical and coronary angiography aspects of patients with acute coronary syndrome. Patients and Methods: Descriptive study from September 2019 to December 2023 in the Cardiology Department of the Hôpital Mère-Enfant of Bamako. Inclusion criteria were patients admitted for coronary angiography with the diagnosis of acute coronary syndrome. Results: During the study period, 1253 patients underwent coronary angiography, 596 of whom had acute coronary syndrome as an indication, representing a hospital frequency of 47%. Sex-ratio was 2.10. Mean age of patients was 58.5 ± 11.39 years. ST elevation acute coronary syndrome was the most common indication with 63.92% of cases. High blood pressure was the main cardiovascular risk factor with 58.7% of cases, and radial access approach was used in 98% of cases. Coronary angiography was pathological in 91.70% of cases (n = 548). Patients with lesions of anterior interventricular artery were 73.73% of cases. Tritruncal lesions accounted for 40.63% of cases. Conclusion: ST elevation acute coronary syndrome is the most frequent manifestation of acute coronary syndrome. Anterior interventricular artery is most often the culprit lesion for our patients.

关键词： Coronary Angiography Acute Coronary Syndrome Bamako Mali

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Growth of the Earthworm Millsonia omodeoi and Its Capacity to Accumulate Five Heavy Metals (HM) in Soils along a Toll Highway in Côte d’Ivoire

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Open Journal of Soil Science 2024年第1期14卷 115-132页

作者： mamadou toure Kpan Kouakou Gains Kpan N’guetta Moïse Ehouman Seydou Tiho Laboratory of Ecology and Sustainable Development (LEDD) Department of Natural Sciences (UFR SN) University Nangui ABROGOUA Abidjan C&#244te d’Ivoire

The roads in correlation with the traffic linked to their existences are at the origin of the emission of numerous polluting substances likely to induce disturbances of the growth and the behavioral changes in the organisms living in their vicinities. The purpose of this study is to analyze the growth and capacity accumulation of a common earthworm species (Millsonia omodeoi) in Cu, Cr, Ni, Pb and Zn in soils along a main road called “Autoroute du Nord” in C?te d’Ivoire. Thus, the earthworms were harvested in soils from a distance of 0 m (just after the sidewalk) to a distance of 200 m from the toll highway and in a control soil sampled in Lamto reserve (C?te d’Ivoire). The study was carried out in the soil laboratory at the ecological station of Lamto reserve. The Ford-Walford technique was used to determine the model and parameters most appropriated for describing the growth of earthworms. A pairwise comparison of the growth parameters was carried out using the Kruskal-Wallis test with the STATISTICA 7.1 software. The heavy metals contained in the cultivated soils and earthworms were detected and quantified using a Scanning Electron Micro-scope (MEB FEG Supra 40 VP Zeiss) and an Atomic Absorption Spectrometer SPECTRA 110 (VARIAN). The capacity accumulation of heavy metals in earthworm was determined by the bioaccumulation factor (BAF) calculation. The results of this study showed that Gompertz is the most appropriated model to describe the growth of M. omodeoi. The life cycle of M. omodeoi shows that this earthworm adopts a K type demographic strategy. Cu is the most accumulated heavy metals in M. omodeoi, when Cr is the least accumulated. Concerning heavy metal content in the earthworms, it decreases while moving away from the pavement. These results highlight a possibility of choice of M. omodeoi as 1) indicators of heavy metals pollution and 2) target of biological organisms for environmental impact studies.

关键词： M. omodeoi Bioaccumulation Heavy Metals “Autoroute du Nord” Côte d’Ivoire

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Nutritional Profile of Children with Major Sickle Cell Syndrome at the Centre of Medical and Health Advice of Kipé, Conakry, 2018

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Case Reports in Clinical Medicine 2024年第3期13卷 73-84页

作者： mamadou Aliou Doukoure Ibrahima Sory Diallo M’mah Aminata Bangoura Amadou Oury toure mamadou Moustapha Diop Fatoumata Binta Diallo Mohamed Sama Cherif Thierno Saidou Diallo Saidouba Cherif Camara Abdoulaye toure Faculty of Health Science and Technology Gamal Abdel Nasser University Conakry Guinea National AIDS Control Programme Ministry of Health Gamal Abdel Nasser University Conakry Guinea

Introduction: Growth is a reflection of a child’s health and nutritional status. Children with sickle cell disease often have slower statural and weight development. The aim of this study was to evaluate the nutritional profile of children with sickle cell disease (SCD) registered in the CEMECO centre database. Methodology: This was a cross-sectional study with simple random sampling of children aged 1 to 16 years registered in the clinic database. Results: We collected information on 208 children, 121 of whom had sickle cell disease and 87 of whom were normal, with a sex ratio of 1.02. The mean age of the sickle cell patients was 8.7 ± 4.4 years, while that of the non-sickle cell patients was 9.5 ± 4 years. Haemoglobin electrophoresis revealed 103 homozygous (SS), 18 double heterozygous (SC, SBetaThal, SE) and 87 normal (AA) and/or sickle cell trait (AS) sickle cell cases. We observed a significant difference in the height/age ratio (P ¥). Conclusion: The results of our study revealed stunted growth in children with sickle cell disease.

关键词： Sickle Cell Disease Nutrition Growth Puberty Guinea

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Obstructive Tumor of the Palate in the Old Person: A Case Report

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Open Journal of Stomatology 2024年第5期14卷 199-205页

作者： Silly toure Mouhamadou Makhtar Ndiaye Abibou Ndiaye mamadou Coume Mame Sanou Diouf Baye Karim Diallo Maxillofacial Surgery and Stomatology Department Aristide Le Dantec University Hospital of Dakar Dakar Senegal Geriatrics Department Aristide Le Dantec University Hospital of Dakar Dakar Senegal ENT and Head and Neck Surgery Department FANN University Hospital of Dakar Dakar Senegal

Introduction: Pleomorphic adenoma or mixed salivary gland tumor is a heterogeneous benign tumor of the salivary glands. The most common site is the parotid gland. Its extra-parotid locations, particularly in the accessory salivary glands, are rarer. We report a case of a pleomorphic adenoma of the posterior palate which posed management problems. Observation: This is an 85-year-old patient who consulted for a tumor of the posterior palate that had been evolving for 3 years. The examination revealed a globular tumor of the posterior palate extending beyond the midline by approximately 7 cm in long axis, shooting towards the oropharynx and hindering breathing, speech and eating, indicating a life-saving tracheotomy. A CT scan of the facial area revealed a well-circumscribed tumor at the expense of the soft palate, with multiple sites of bone lysis. The biopsy performed was in favor of a pleomorphic adenoma. The patient underwent total surgical excision of a huge tumor on the palate. The aftermath of the operation was marked by a loosening of the sutures with an oronasal fistula requiring the creation of an obturator plate due to the patient’s refusal to have another operation. Conclusion: Large pleomorphic adenoma of the posterior palate is a rare entity that can cause respiratory problems and surgical difficulties. His prognosis is generally good.

关键词： Pleomorphic Adenoma Posterior Palate Respiratory Disorders Prognosis Obturator Plaque

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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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Evaluation of the Living Conditions and Health Perceptions of Waste Electrical and Electronic Equipment Handlers in the Informal Sector in Dakar

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Occupational Diseases and Environmental Medicine 2024年第2期12卷 115-129页

作者： Robert Faomowe Foko Awa Ndong Marius Kedote Fatoumata Bah Absa Lam Cheikh Diop Aminata toure Mathilde Cabral mamadou Fall Laboratoire de Toxicologie et d’ Hydrologie Facult&#233 de M&#233decine Pharmacie et Odontostomalogie Universit&#233 Cheikh Anta Diop de Dakar Dakar S&#233n&#233gal Unité Mixte de Recherche d&#8217Exploration et de Diagnostic Unit&#233 de Formation et de Recherche des Sciences de la Sant&#233 Universit&#233 Iba Der Thiam de Thi&#232s Thi&#232s S&#233n&#233gal Institut Ré gional de Sant&#233 Publique Universit&#233 d&#8217Abomey-Calavi Ouidah B&#233nin

Electrical and electronic devices are becoming an increasingly important part of our society. In Africa, and in Senegal in particular, the handling and management of electronic and electrical equipment (EEE) that has reached the end of its life is mainly informal. This professional environment is characterized by the disintegration of the sector and the social heterogeneity that can be found there. The objective of this study is to assess the standard of living of electrical and electronic equipment waste handlers in the Dakar region, as well as their perception of their health. A survey was used to obtain information on sociodemographic background, living arrangements, perception of health status, and good practices to be implemented in case of work-related health problems. Life style, perception of general health and health problems were ranged as excellent, very good, good, average and poor. Informal recyclers in the Dakar region lived mainly in rooms and buildings as tenants (49.1%), or in family homes (48.4%) before starting this activity, and 51.2% continue to live in rooms and buildings as tenants compared to 41.4% who still live in a family home. The perception of health status ranged from poor to excellent, and 4.9% believe that they are limited in work due to a disability or health problem. Informal work is a heterogeneous phenomenon that makes research and policymaking particularly complex. There are several external factors within informal WEEE re-cyclers that can cause health problems or functional disability. However, the living conditions and the perception they have of their state of health are contradictory to the working conditions and the social environment to which they belong. A biomedical approach would consolidate these achievements by confirming or invalidating them.

关键词： E-Waste Informal Work Living Arrangements Health Perception Occupational Exposure

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Climate Services Elaboration for Cocoa Cultivation in Côte d’Ivoire: Contribution of CORDEX Climate Projections

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Agricultural Sciences 2024年第3期15卷 358-375页

作者： Adama Bamba Fidèle Yoroba N’Datchoh Evelyne toure Kouakou Kouadio Mory Ouattara Kakou M’bo mamadou Cherif Daouda Kone Arona Diedhiou Laboratoire des sciences de la Matière de l’Environnement et de l’Energie Solaire (LASMES) Université Félix Houphou&#235t Boigny Abidjan C&#244te d’Ivoire Centre d’Excellence Africain en Changement Climatique Biodiversité et Agriculture Durable (CCBAD) Université Félix Houphou&#235t Boigny Abidjan C&#244te d’Ivoire Laboratoire Mixte International Climat-Eau-Energy-Agriculture Université Félix Houphou&#235t Boigny Abidjan C&#244te d’Ivoire Station Géophysique de LAMTO N’Douci C&#244te d’Ivoire UFR Bioscience Université Félix Houphou&#235t Boigny Abidjan C&#244te d’Ivoire Université Grenoble Alpes IRD CNRS Grenoble-INP IGE Grenoble France

This study assessed the contribution of climate projections to improving rainfall information for cocoa crops in the central and southern regions of Côte d’Ivoire. Particular attention was paid to fourteen localities in these two climatic zones. Simulation data were obtained from the CORDEX ensemble and observation data from CHIRPS. They cover the period 1991-2005 for the reference period and the future period from 2021 to 2050 for the RCP4.5 and RCP8.5 scenarios. In addition, the study was based on the water requirements necessary during the critical phase of the cocoa tree (the flowering phase) for a good yield from the cocoa production chain on the one hand, and on a selection of three climate indices CDD, CWD and r95PTOT to study their spatio-temporal changes over two future periods 2021-2035 (near future) and 2036-2050 (medium-term) on the other. These climatic indices influence cocoa cultivation and their use in studies of climatic impacts on agriculture is of prime importance. The analysis of their spatio-temporal changes in this work also contributes to providing climate services based on rainfall, to which cocoa crops are highly sensitive. Our results show that the CDD and CWD indices vary from one region to another depending on latitude. For the fourteen localities studied, the number of consecutive dry days (CDD) could increase between now and 2050, while the number of consecutive wet days (CWD) could decrease over the period 2021-2035 and then increase over the period 2036-2050. The localities of Tabou, Aboisso and San-Pedro record high numbers of CDD index and CWD index for both projection scenarios. In comparison with the RCP4.5 and RCP8.5 scenarios, these results show that the RCP8.5 scenarios are having an impact on cocoa growing in Côte d’Ivoire.

关键词： Cocoa RCP4.5 RCP8.5 Climate Indices Côte D’ivoire

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Child Victims of Road Traffic Accidents: Epidemiological and Clinical Aspects in the Medical and Surgical Emergency Department of the Donka National Hospital

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Case Reports in Clinical Medicine 2024年第3期13卷 63-72页

作者： Ibrahima Sory Diallo mamadou Moustapha Diop Amadou Oury toure mamadou Aliou Doukouré Aîssata Barry M’mah Aminata Bangoura Mariama Sadjo Diallo Abdoulaye Oumare Diallo Salimatou Hassimiou Camara Thierno mamadou Aliou Touré Ouo Ouo Kolié Mohamed Lamine Diallo Fatoumata Binta Diallo Ibrahima Sory Souaré Institute of Child Nutrition and Health Conakry Guinea Department of Pediatrics Donka National Hospital Conakry Guinea UNICEF-Guinea Community Health Section Conakry Guinea Gamal Abdel Nasser University of Conakry Conakry Guinea

Introduction: Children involved in road accidents most often suffer head or limb injuries. The severity of these injuries varies according to the age of the child, the type of road user and whether or not protective devices are used. The aim of this study was to carry out a census of admissions and to identify the epidemiological and clinical profile of children involved in road traffic accidents at Donka National Hospital. Methods: This is a descriptive cross-sectional study of children involved in traffic accidents over a 3-month period from September 1 to November 30, 2021. All children admitted to the emergency department for a traffic accident were included in the study. Results: During the study period, 435/530 children (82.1%) were victims of road accidents. Boys accounted for 54.94% of cases, compared with 45.06% for girls. The age group most affected was 12-17 years old (48.97%). October had the highest accident rate (36.4%). Pedestrians are most affected (52.87%). Bicycles and mopeds were involved in 59.77% of accidents. Head injury was the most frequent pathology (33.33%). The study showed that 12.64% of victims were referred to intensive care, pediatric surgery, etc. We recorded 8 cases of death (1.84%). Conclusion: This study highlighted the characteristics, incidence and risk factors for accidents in children admitted to emergency departments. Accident prevention, particularly serious accidents in children, requires more precise knowledge of the factors and circumstances leading to their occurrence.

关键词： Child Accident Public Highway Donka

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Physiotherapy Management of Rheumatic Diseases

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Open Journal of Rheumatology and Autoimmune Diseases 2024年第1期14卷 37-47页

作者： Aly Badra Kamissoko Abdoulaye Barry mamadou Lamine Diallo Boutros Cosme Nato Abdel Amide Gbadamassi Marie Traore Abèni Faouzyath Yaya Facely Traore Paul Eloundou Sory Diane Matènè Komara Halimatou Barry Moriba toure Moriba toure Kaba Conde Owonayo Oniankitan Department of Rheumatology Ignace Deen University Hospital Conakry Guinea Department of Rheumatology Sylvanus Olympio University Hospital Lome Togo Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon

Introduction: Physiotherapy is an integral part of the non-drug treatment strategy for rheumatological conditions. The evidence for its effects is not formal. The objective was to evaluate the impact of physiotherapy in the management of rheumatological disorders. Methods: 6-month case-control study (December 15, 2021 to June 20, 2022) at Ignace Deen University Hospital (Conakry). Patients with rheumatological disease who received drug therapy and physiotherapy were included in the case group. Age- and sex-matched controls had rheumatological conditions, treated without physiotherapy. The evaluation questionnaires were used: WOMAC (osteoarthritis), EIFEL (low back pain), NDI (neck pain), SPADI (shoulder). Patients with heart failure, respiratory failure and/or skin infection were not included. Results: We collected 773 patients (389 cases and 384 controls) with a mean age of 53.8 years ± 12.2 with female predominance (56.8%). Patients were mainly followed for osteoarthritis (65.2%). Rheumatological conditions managed were knee-based (119;30.6%), lumbar spine (220;56.6%), shoulders (27;6.9%) and cervical spine (23;5.9%). For an average duration of 53.4 ± 12.2 minutes per session, patients had benefited from a median of 19 physiotherapy sessions. After 3 months, the baseline mean VAS of 6/10 improved to 2.2 ± 1.6 for cases and 5.7 ± 1.2 for controls. Functional capacity was improved (WOMAC: 41.8 ± 22.7 vs. 18.3 ± 7.3). The satisfaction of patients treated with physiotherapy was 20 times higher than in controls. Conclusion: Physiotherapy performed in the management of rheumatological conditions significantly reduced pain and improved functional capacity.

关键词： Rheumatological Disease Physiotherapy WOMAC Guinea

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Respiratory Flow Rates of Metal Welders Compared to a Population Not Exposed to Metal Welding Dust

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Open Journal of Respiratory Diseases 2024年第2期14卷 51-59页

作者： Robert Faomowe Foko Abdou Khadir Sow Awa Ba Mor Diaw Fatoumata Bah Mame Saloum Coly Absa Lam Cheikh Diop Aminata toure Abdoulaye Ba Abdoulaye Samb Arame Mbengue Mathilde Cabral mamadou Fall Laboratory of Toxicology and Hydrology Faculty of Medicine Pharmacy and Odontostomatology Cheikh Anta Diop University of Dakar Dakar-Fann Senegal Laboratory of Physiology and Functional Exploration Faculty of Medicine Pharmacy and Odontostomatology Cheikh Anta Diop University of Dakar Dakar-Fann Senegal Laboratory of Physiology and Functional Exploration Alioune DIOP University of Bambey Bambey Senegal Laboratory of Physiology UFR of Health Sciences Functional Exploration Department Thies Regional Hospital Center Thies Senegal

Background: The welding trade includes many industrial activities in both the formal and informal sectors. Workers in this professional environment do not have access to individual and collective means of protection adapted to the activity, which exposes them to the dust emitted during their activity and therefore contributes to increasing the risk of developing respiratory disorders in this population. Objective: Our study aimed to evaluate the ventilatory function of metal welders in the city of Dakar. Method: This was a comparative study based on the analysis of the spirometric parameters of metal welders working in the city of Dakar (Senegal) with those of a control group of the same kind, selected from the general population. Measurements of forced expiratory volume in the first second (FEV1), forced vital capacity (FVC), peak expiratory flow (PEF) and maximum mid expiratory flow (MMEF) were measured. Results: A total of 75 men between the ages of 19 and 61 were recruited and divided into two groups (43 controls and 32 welders). The welding population had more frequent distal and central obstructions and pulmonary restriction compared to the control group. The metals most commonly used by welders were aluminum for welders who had an obstruction, while for those who had a restriction, iron was the most used metal. Signs of metal fever were frequently found in welders, especially those with ventilatory disorders. Conclusion: The prevalence of respiratory disorders observed is close to that observed in industrial environments, where exposure levels are the highest. The lack of personal protective equipment could also be a significant risk factor in the development of these disorders.

关键词： Welder Occupational Exposure Spirometric Disorder Metal Fever Dakar

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