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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

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

Evaluation of Glomerular Filtration Rate and Urinary Abnormalities in Children with Cancer before Chemotherapy

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Open Journal of Pediatrics 2023年第4期13卷 594-603页

作者： mamadou moustapha diop Aissata Barry Ouo Ouo Kolié Emanuel Camara Mohamed Lamine Diallo Kaba Bangoura mamadou Aliou Doukouré Pé Neabel Beimy Dienab Diallo moustapha Kouyate Mohamed Lamine Kaba Department of Pediatrics Faculty of Health Sciences and Technologies Gamal Abdel Nasser University Conakry Republic of Guinea Pediatric Emergency CHU Donka Ministry of Higher Education Scientific Research and Innovation Conakry Republic of Guinea Hemodialysis Department CHU Donka Ministry of Higher Education Scientific Research and Innovation Conakry Republic of Guinea

Introduction: Glomerular filtration is an important elimination pathway for many types of chemotherapy. Accurate estimation of glomerular filtration is essential in the management of children with cancer. Methodology: This was a prospective cross-sectional study of the descriptive type extending over a period of 6 months from July 01 to December 31, 2021 on all children with cancer followed in the pediatric hemato-oncology unit of the HND with a renal, blood and urinary assessment associated with the GFR calculated by the SCHWARTZ formula during the study period. Results: During the study period, we registered 41 new cases of cancer in the pediatric oncology unit. The age group of 0 - 5 years was the most represented, i.e. 65.85% and the average age was 5.6 ± 4 years. The most cited clinical signs were fever ie 56.10% followed by abdominal pain 34.15% and anemia 26.83%. The most represented diagnosis was Burkitt’s Lymphoma, i.e. 26.83% followed by Retinoblastoma 24.39%. Mean serum creatinine was 70.65 ± 68.93 μmol/L. In our series, patients whose normal glomerular filtration rate were more represented, i.e. 70.73% and 29.27% had an abnormal GFR with an average of 87.28 ± 70 mL/min/1.73m2. Proteinuria and leukocyturia were observed in 31.71% and 19.51% respectively. Glycosuria and hematuria with common frequencies of 2.44% of patients. Conclusion: The prevention of renal toxicity of anticancer drugs always involves the precise evaluation of renal function using the Schwartz formula in children. .

关键词： GFR Child Cancer Chemotherapy

Transient Diabetes Induced by L-Asparaginase

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Open Journal of Pediatrics 2023年第6期13卷 862-865页

作者： mamadou moustapha diop M’mah Aminata Bangoura Aissata Barry Emmanuel Camara Kolié Ouo Ouo Pé Neabei Beimy Mohamed Lamine Diallo Kaba Bangoura moustapha Kouyate Mohamed Lamine Kaba Aka Nbga Department of Paediatrics Faculty of Health Sciences and Techniques Gamal Abdel Nasser University Conakry Republic of Guinea Urgence Pédiatrique CHU Donka Ministère de l’enseignement de la recherche scientifique et de l’innovation Conakry Republic of Guinea Haemodialysis Department CHU Donka Ministry of Education Scientific Research and Innovation Conakry Republic of Guinea

Background: Although hyperglycaemia is one of the known side effects of L-asparaginase, its contribution to the development of diabetic ketoacidosis (DKA) is less well known in the literature. Asparaginase is an essential component of treatment protocols for acute lymphoblastic leukaemia (ALL) in combination with other chemotherapeutic drugs. On further evaluation, she was found to have high anion gap metabolic acidosis, hyperglycaemia and ketonuria. In recent decades, the use of these chemotherapeutic agents has led to a decrease in mortality and disease-free survival in ALL. L-asparaginase is one of the chemotherapy protocols used in the treatment of acute lymphoblastic leukaemia (ALL) and can induce hyperglycaemia which is aggravated by the concomitant use of corticosteroids. We report the observation of a 14-year-old girl treated with chemotherapy (GFA LAL protocol) who developed transient diabetes following the use of L-asparaginase. She was treated at the Donka paediatric haemato-oncology unit by a multidisciplinary team including a paediatric oncologist, a psychologist and a diabetologist. The aim of this study was to highlight blood glucose monitoring before and after the use of asparaginase in acute lymphoblastic leukaemia. Conclusion: We conclude that the occurrence of ketoacidosis following the use of asparaginase is a rare event. We recommend close monitoring of blood glucose levels for hyperglycaemia in patients with ALL receiving L-asparaginase.

关键词： Asparaginase Diabetes ALL Donka

Macroscopic Congenital Malformations at the Institute of Nutrition and Child Health (INSE)

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Open Journal of Pediatrics 2023年第6期13卷 879-893页

作者： M’mah Aminata Bangoura Aissata Barry Salimatou Hassimiou Camara Sory Diallo Kadiatou Péthé Diallo Amadou Oury Toure Mariama Sadio Diallo Ouo Ouo Kolié Fatoumata Binta Diallo moustapha Kouyaté Kaba Bangoura mamadou Aliou Doukouré Emmanuel Camara mamadou moustapha diop Ibrahima Sory Diallo Institute of Nutrition and Child Health Donka National Hospital-CHU Conakry University of Conakry Conakry Guinea Service of Pediatrics HN Donka-CHU Conakry University of Conakry Conakry Guinea

Introduction: A congenital malformation is defined as a morphological abnormality of an organ or body region resulting from an abnormal developmental process during the formation of the embryo or fetus. Depending on their type, location and size, malformations can cause functional, psychological and aesthetic defects. The aim of this study is to document the frequency of congenital malformations, describe the characteristics of malformed newborns and their biological mothers, and identify the different types of malformations presented by newborns at the INSE. Methods: Descriptive cross-sectional study of clinically visible malformed newborns. It was carried out from January 1, 2021 to January 1, 2022 at the INSE neonatology unit. Epi info version 3.1 software was used for data entry and analysis. Results: Of a total of 2332 neonates hospitalized during the study period, 81 (3.5%) cases had at least one clinically visible congenital malformation. Nearly 84% had an age ≤ 7 days at the time of admission. The male sex was most concerned (60.5%). Newborns referred by a health facility accounted for 84%. Malformations of the digestive system accounted for 30.9% of cases, followed by those of the limbs (19.8%) and poly malformative syndrome (19.8%). Conclusion: This study shows that congenital malformations exist and are frequent in Guinea. Our results could therefore be the starting point for the future establishment of a national register of congenital malformations.

关键词： Congenital Malformation Institute Nutrition Child Heath

Glomerular Filtration Rate of Children with Sickle Cell Disease Compared to Non-Sickle Cell Patients in Donka Pediatric Emergencies and SOS Drepano-Guinea Center

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Open Journal of Pediatrics 2023年第4期13卷 562-567页

作者： Mohamed Lamine Diallo Emmanuel Camara mamadou moustapha diop mamadou Cire Barry Fatoumata Binta Diallo Aissata Barry Saliou Bellanrcisse Diallo Narcisse Idohou Ganin Paul Ulrich N’dri N’gotta Mamdy Dramé Telly Sy Mohamed Lamine Kaba Paediatric Emergency Donka National Hospital Conakry Guinea Paediatrics Department Donka National Hospital Conakry Guinea Department of Paediatrics H&#244pital National Ignace Deen Conakry Guinea Centre SOS Drépano-Guinée Conakry Guinea Department of Gynaecology and Obstetrics H&#244pital National Ignace Deen Conakry Guinea Haemodialysis Department Donka National Hospital Conakry Guinea

Introduction: Our study focused on the evaluation of renal function in children with sickle cell disease compared to children without sickle cell disease at the pediatric emergency unit of the Donka National Hospital and SOS Drepano-Guinea center. Patients and Methods: This was a cross-sectional descriptive and analytical study lasting 3 months (October 1 to December 31, 2020). Were included, all sickle cell and non-sickle cell children aged 0 to 15 received on an outpatient basis and had undergone an exploration of renal function (serum creatinine and urine dipstick). Results: We performed the urine dipstick and serum creatinine in 75 children, 45 of whom were sickle cell and 30 were not sickle cell. 27 of our patients or 36% had a reduction in GFR, among them 9 or 20% were sickle cell and 18 or 60% were not sickle cell. The most affected age group was 5 to 9 years in sickle cell (66.7%) and non-sickle cell (38.9%). In sickle cell patients, 9 cases (100%) had mild renal failure (IRL). Non-sickle cell patients, had 14 cases or 77.8% of IRL and 4 cases (22.2%) of moderate IR. Sickle cell disease and antibiotics which had the respective p-value (0.01);(0.02), were statistically significant with the onset of renal failure. Conclusion: Several factors including sickle cell anemia and antibiotics are believed to be involved in lowering GFR. It would be essential to detect early the children received in consultation.

关键词： Flow Filtration Glomerular Child Sickle Cell Disease

Epdemiology and Treatment of Pseudarthrosis of Long Bones in the Servce D Orthopedics-Traumatology of the University Hospital of Donka

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Open Journal of Orthopedics 2024年第3期14卷 133-138页

作者： Camara Nouhou Mangué Diallo mamadou moustapha moustapha Alhassane Diallo Alpha mamadou Fela Sidimé Sory Camara Abdoulaye Kolié Germain Lamah Léopold Service d’Orthopédie-Traumatologie Centre Hospitalier Universitaire de Donka Conakry Republic of Guinea

Introduction: Pseudarthrosis (PSA) of the diaphysis of long bones still remains a current problem, despite improvements in the treatment of these fractures. Our study aims to study the epidemiological and therapeutic aspects of PSA of the diaphysis of long bones. Method: This retrospective work concerns 30 cases of non-union of the diaphysis of long bones treated in the orthopedic and trauma surgery department at Donka National Hospital, during a period of 18 months from January 1, 2019 to June 30, 2020. Results: We recruited 30 patients, 80% of whom were male, with an average age of 39.9 years. Public road accidents (AVP) represented the main cause of fractures of the diaphysis of long bones 87%, they were open in 25 cases or 83%. The fractures were located in the middle 1/3 of the diaphysis of the long bones in 50% of cases. Treatment of initial fractures was traditional in 21 cases, orthopedic in 2 cases and surgical in 7 cases. It was aseptic nonunion in 28 cases (93%) and septic nonunion in 2 cases. They were hypertrophic in 7 cases, slightly hypertrophic in 5 cases, oligotrophic in 11 cases, atrophic in 6 cases and with bone defect in 1 case. The treatment was based on osteosynthesis including 16 cases of screwed “PV” plate: 7 cases of centromedullary “ECM” nailing, 2 cases of external fixator, 1 case of broaching and 4 cases of Plastering. The results according to ASAMI criteria on an anatomical level were excellent in 19 cases, good in 3 cases and poor in 3 cases, with a union rate of 76%. And 5 patients undergoing consolidation. Conclusion: Based on the literature data and the experience of our department, the true treatment of PSA requires correct management of the initial fracture without forgetting the interest in preventing AVP which appears to be an element essential, making it possible to reduce the incidence of fractures of the diaphysis.

关键词： Pseudarthrosis Aseptic-Septic-Diaphysis Long Bones Screwed Plate Intramedullary Nailing Bone Graft Osteo-Muscular Decortication

Risk Factors for Neonatal Mortality at the Institute of Nutrition and Child Health of the Donka/Guinea-Conakry National Hospital

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Open Journal of Pediatrics 2024年第2期14卷 327-337页

作者： Bangoura Mmah Aminata Kolié Ouo Ouo Camara Salématou Hassimiou Baldé Mariama Bangoura Kaba diop mamadou moustapha Camara Emmanuel Diallo Fatoumata Binta Doukouré mamadou Aliou mamadou Mouctar Sow Bémy Pé Néabey Institut de Nutrition et de Santé de l’Enfant Conakry Guinea Service de Pédiatrie Hô pital National Donka Conakry Guinea Service de Pédiatrie Hô pital National d’Ignace Deen Conakry Guinea

Introduction: The birth of a baby is a moment of joy and celebration. However, the neonatal period is a very delicate phase of life. Neonatal mortality rates remain high in low-income countries. In Guinea, after 20 years, this rate has fallen from 34.2% in 1998 to 32% in 2018. Objective: To identify the main risk factors for neonatal mortality. Methods: This was an observational, analytical case-control study, lasting 6 months from January 1 to June 30, 2019, conducted at the Institut de Nutrition et de la Santé de l’Enfant (INSE) at Donka National Hospital. Results: We collected 242 cases and 242 controls, i.e. a total of 484 records. 748 patients were registered, with 32.35% deaths. 82.86% of deaths occurred in the early neonatal period. Statistical analysis revealed the main risk factors: prematurity (RQ 7.39 95% CI 3.27 - 16.61 p = 0.0000003), hypothermia (RQ 2.29 95% CI 1.51 - 3.46 p = 0.0001), acute fetal distress (RQ 2.13 95% CI 1.33 - 3.43 p = 0.0016), low birth weight (QR 1.91 95% CI 1.12 - 3.24 p = 0.016), home birth (QR 3.26 95% CI 1.25 - 8.46 p = 0.015). Conclusion: Neonatal mortality is a health problem in the INSE neonatology department. To reduce the mortality rate in this referral facility, it is essential to equip it and provide ongoing training for staff.

关键词： Neonatal Mortality INSE Guinea-Conakry

Restoration or Rehabilitation of the Faleme River Affected by Mining Activities: What Methods?

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Journal of Water Resource and Protection 2024年第4期16卷 233-263页

作者： Mor diop Ibrahima Mall Elhadji mamadou Sonko Tidiane diop Birane Niane Cheikh Mbow Environmental Sciences Institute (ISE) Cheikh Anta Diop university of Dakar Dakar Senegal Higher School of Mines Geology and Environment Amadou Mahtar Mbow University of Diamniadio (UAM) Dakar Senegal Department of Chemical Cheikh Anta Diop university of Dakar Dakar Senegal Departmentof Engineering Sciences Iba Der Thiam University of Thi&#232s Thi&#232s Senegal

The Faleme River, a West Africa long transboundary stream (625 km) and abundant flow (>1100 million m3) is affected by severe erosion because of mining activities that takes place throughout the riverbed. To preserve this important watercourse and ensure the sustainability of its services, selecting and implementing appropriates restorations techniques is vital. In this context, the purpose of this paper was to present an overview of the actions and techniques that can be implemented for the restoration/rehabilitation of the Faleme. The methodological approach includes field investigation, water sampling, literature review with cases studies and SWOT analysis of the four methods presented: river dredging, constructed wetlands, floating treatment wetlands and chemical precipitation (coagulation and flocculation). The study confirmed the pollution of the river by suspended solids (TSS > 1100 mg/L) and heavy metals such as iron, zinc, aluminium, and arsenic. For the restoration methods, it was illustrated through description of their mode of operation and through some case studies presented, that all the four methods have proven their effectiveness in treating rivers but have differences in their costs, their sustainability (detrimental to living organisms or causing a second pollution) and social acceptance. They also have weaknesses and issues that must be addressed to ensure success of rehabilitation. For the case of the Faleme river, after analysis, floating treatment wetlands are highly recommended for their low cost, good removal efficiency if the vulnerability of the raft and buoyancy to strong waves and flow is under control.

关键词： Faleme River River Restoration Constructed Wetlands Dredging Floating Treatment Wetlands Coagulation-Flocculation

Influence of the Nature of the Incoming Sludge on the Performance of a Vertical Flow Reed Beds in Dakar-Senegal

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Journal of Water Resource and Protection 2024年第6期16卷 429-449页

作者： Elhadji mamadou Sonko Diomaye Dieng Maïmouna Lo Cheikh diop Laboratoire dEtude Environnemental des Milieux Urbains (LEEMUR) Institut des Sciences de lEnvironnement (ISE) Facult des Sciences et Technique (FST) Universit Cheikh Anta Diop de Dakar (UCAD) Dakar-Fann Sngal

This work investigates the influence of the type sludge on drainage, plant development, purification performances and biosolids quality. Drainage properties were measured through the frequency of clogging, the percentage of leachate recovered and the dryness of accumulated sludge. Plant development was measured through the density, the height and the stem diameter. Purification performance was evaluated from the reduction rate. Biosolids quality was measured after 3 months of maturation. The results show that the clogging frequencies were 9.5%;0% and 3.7%;the volume of leachate recovered was 42.2%;20.4% and 24.7% and, the dryness was 33.4%;61.1% and 52.4% for FS-ST, FS-STT and SS respectively. Plants densities were about, with densities 197.1, 171.3 and 178.3 plants/m2 in beds fed respectively with FS-ST, FS-STT and SS. Despite the high removal rates, the concentrations of pollutants in the leachates are above the Senegalese standard NS 05-061 for discharge into the environment. The biosolids are all mature with C/N and NH4+/NO3?ratios lower than 12 and 1 respectively. The biosolids are also rich in organic and mineral elements. The concentrations of Ascaris eggs are higher than the WHO recommendations. These biosolids should be stored for additional time or composted.

关键词： Biosolid Quality Dewatering Performance Planted Drying Beds Purification Performance Sludge Type