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Journal of Cancer Therapy 2021年第3期12卷 136-145页

作者： Kanta Ka Doudou Diouf Sidy Ka el hadj amadou sall Daniele Presti Mamadou Moustapha Dieng Papa Macoumba Gaye Ahmadou Dem Radiotherapy Department CHNU Dalal Jamm Guédiawaye Senegal Oncology Department Institute Joliot Curie Dakar Senegal Cheikh Anta Diop University of Dakar Dakar Senegal Medical Oncology Service ICS Maugeri IRCCS SpA University of Pavia Pavia Italy

Objectives: To study the epidemiological, diagnostic, therapeutic and prognostic aspects of gastric adenocarcinoma at the Joliot Curie Institute in Dakar. Materials and Methods: We conducted a retrospective study over a seven-year period from January 2010 to December 2017 at the Joliot Curie Institute in Dakar. All cases of gastric adenocarcinoma proven by fibroscopy followed by histology or proven on the histological analysis of a surgical specimen were taken into account. The parameters studied were age, risk factors, stages of the disease, treatment and prognosis. Results: There were 54 cases of gastric adenocarcinoma over a period of 7 years. The average age was 54.74 years with extremes of 25 and 84 years. A male predominance was noted (35/54). The main risk factors found were alcohol (5/54), tobacco (13/54), Helicobacter pilori (4/54), gastric ulcer (12/54). Epigastralgia was the most frequent clinical manifestation. FOGD was carried out in 77.8% of patients. Histology was obtained before surgery in 40 patients (74.1% of cases) and

Curative 3D Conformal Radiotherapy of Non-Operated Prostate Adenocarcinoma at Pointe-a-Pitre University Hospital (Guadeloupe): About 29 Cases

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Journal of Cancer Therapy 2021年第5期12卷 279-288页

作者： Ibrahima Thiam Kanta Ka Awa Sadikh Badiane Mouhamadou Bachir Bâ el hadj amadou sall Boucar Ndong Papa Ahmet Fall Mamadou Moustapha Dieng Papa Macoumba Gaye Joliot Curie Institute of Aristide Le Dantec Hospital Dakar Senegal Radiotherapy Department of the University Hospital Center of Dalal Jamm Guédiawaye Senegal Cheikh Anta Diop University Dakar Senegal Urology Department of the University Hospital Center of Dalal Jamm Guédiawaye Senegal

Context: Technological advances have improved the toxicities of radiotherapy. We are evaluating the 3D technique in prostate cancer. Materials and Methods: Retrospective study from January 2015 to December 2015 with 29 files. Survival was calculated by Kaplan-Meier method. Results: We collected 29 patient records over the study period. The median age was 75 years with the following extremes: 54 years and 83 years. The median PSA level was 12 ng/ml with a range of 3.05 to 79 ng/ml. Gleason score analysis showed 6 patients (20.69%) with a score of 6 (3 + 3), 23 patients (79.31%) with a score of 7 including 12 patients (41.38%) with grade 3 and 11 patients (37.93%) with grade 4. The median dose delivered was 74 Gy, with a mean dose of 73.79 Gy and extremes of 70 Gy for the minimum and 76 Gy for the maximum. Hormone therapy was combined with radiotherapy in 17 patients (58.62%). Seven patients (24.14%) had grade 1 acute bladder toxicity and one patient (3.45%) had grade 2 acute toxicity. Late bladder toxicity was grade 1 in 5 patients (17.24%), grade 2 in 3 patients (10.34%) and grade 3 in 1 patient (3.45%). Late rectal toxicity, grade 2 in 3 patients (10.34%), grade 3 in 1 patient, was noted. Overall survival at 2 years was 100% and 89.65% at 5 years. Relapse-free survival at 2 years was 82.76% and 62.07% at 5 years. There were 3 deaths (10.34%) of which only one was related to prostate cancer.

Late Diagnosis of Congenital Optic Disc Abnormalities

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Open Journal of Ophthalmology 2024年第3期14卷 229-235页

作者： Aïssatou Aw Soda Mbaye Jean Pierre Diagne Sy el hadji Malick Alassane Ba Aly Mbara Ka Serigne Sohibou Gaye Ousmane Ndiaga Senghor Lamine Ndiaye Mouhamed Ndiaye el hadj Abdellahi Seyid Papa amadou Ndiaye Ophthalmology Department of Abass NDAO Hospital Cheikh Anta Diop University Dakar Senegal

Purpose: To show epidemiological and imaging aspects of congenital optic disc abnormalities diagnosed late. Method: It was a retrospective study, including all patients with congenital optic disc abnormalities diagnosed at a late age between January 2020 and October 2022 at the eye center of Abass Ndao Hospital. Complete ophthalmological examination was performed with eye imaging according to the cases. Results: 09 patients (10 eyes) were diagnosed with congenital optic disc abnormalities. The mean age was 29 years, with a sex ratio of 0.8. Three patients had consulted for unilateral decreased visual acuity since childhood, two for sudden vision loss and in four cases the diagnosis was fortuitous. Visual acuity was ranged from 1/200 to 20/20. Fundus examination showed myelinated retinal nerve fibers in four eyes, optic disc pit in three eyes including two complicated by maculopathy, two cases of morning glory syndrome and a case of pseudoduplication of the optic disc. Optical coherence tomography, ocular ultrasound B and OCT-Angiography were performed according to the cases. Conclusion: Congenital optic disc abnormalities are often diagnosed late. They are potentially amblyogenic and complications are not rare, worsening the visual prognosis. Their screening should be systematic by ophthalmological examination in newborns.

关键词： Myelinated Nerves Fibers Optic Disc Pit Morning Glory Syndrome Pseudoduplication Optic Disc

Practice of Glycemic Self-Monitoring in Diabetic Patients Followed at the Endocrinology Department of Donka University Hospital in Guinea

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Open Journal of Endocrine and Metabolic Diseases 2024年第2期14卷 33-38页

作者： Mamadou Dian Mamoudou Diallo Mamadou Mansour Diallo Mamadou Chérif Diallo Alpha Mamadou Diallo Kadija Dieng Abdoul Mazid Diallo Mody Abdoulaye Barry Kadidiatou Bah el’hadj Zainoul Bah Mamadou Alpha Diallo Ibrahima Condé Ousmane Kourouma amadou Kaké Diabetology Unit Labe Regional Hospital Labé Guinea Faculty of Health Sciences and Techniques Gamal Abdel Nasser University of Conakry Conakry Guinea Endocrinology and Diabetology Department of Donka University Hospital Conakry Guinea Pediatrics Department of Donka University Hospital Conakry Guinea

Diabetes is a chronic pathology whose evolution is marked by micro and macroangiopathic complications. Optimal management can prevent the onset of complications and improve patients’ quality of life. Objectives: To determine the frequency of self-monitoring of blood glucose and to describe the errors found during self-monitoring in diabetic patients followed at the Endocrinology Department of Donka University Hospital in Guinea. Materials and methods: Descriptive cross-sectional study carried out between August and September 2020 involving diabetic patients followed up at the Endocrinology and Diabetology Department of the Donka National Hospital, CHU Conakry. Results: A total of 301 patients were enrolled, with an average age of 44.24 ± 21.01 years. 64.12% were female. Type 2 diabetes predominated in 64% of cases. The mean duration of diabetes was 6.14 ± 4.67 years, and 75.08% of patients lived in urban areas. Patients were on insulin in 36.21% of cases, insulin and biguanides (26.25%), hypoglycemic sulfonamide and biguanides (19.27%) and biguanides in 18.27% of cases. The frequency of self-monitoring of blood glucose was 43%, and 38% of patients made errors, notably reusing lancets (60%), not checking the expiration date (55.65%) and not washing their hands (48%). Conclusion: This study shows that self-monitoring of blood glucose is not performed by the majority of patients. Numerous errors were identified during blood glucose testing. Continued therapeutic education on the use of blood glucose meters will help empower patients and improve their quality of life.

关键词： Self-Monitoring of Blood Glucose Diabetes Conakry University Hospital

Frequency and Risk Factors of Neonatal Macrosomia at Labe Regional Hospital in Guinea

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Open Journal of Endocrine and Metabolic Diseases 2024年第2期14卷 26-32页

作者： Mamadou Dian Mamoudou Diallo Mamadou Mansour Diallo Mamadou Chérif Diallo Alpha Mamadou Diallo Kadija Dieng Mody Abdoulaye Barry Mamadou Alpha Diallo Kadidiatou Bah Abdou Mazid Diallo el’hadj Zainoul Bah Mamadou Malal Bori Diallo Mamadou Sanou Sylla amadou Kaké Diabetes Unit Labe Regional Hospital Labe Guinea Faculty of Health Sciences and Technology University of Conakry Conakry Guinea Department of Diabetes and Endocrinology Donka Hospital and University Center Conakry Guinea Neonatology Unit Labe Regional Hospital Labe Guinea

Macrosomia is defined as a term birth weight greater than or equal to 4000 grams, or greater than the 90 percentile of intrauterine growth curves. Excessive weight has harmful consequences for the newborn and is a major health concern. Objectives: To determine the frequency of neonatal macrosomia, describe risk factors and neonatal and maternal complications. Materials and methods: This was a cross-sectional study carried out between January and December 2022, involving newborns whose birth weight was greater than or equal to 4000 grams admitted to the neonatology unit of the Labe regional hospital. Results: 591 deliveries were recorded, 15 of which were macrosomic, representing a frequency of 2.54%. The average age of the women was 30.26 years. History of fetal macrosomia and diabetes was 93.33 and 71.43% respectively. The mean gestational age was 38.71 ± 0.75 SA, the mean antenatal consultation was 3 ± 0.8 and the mode of delivery was caesarean section (66.67%). Third-trimester ultrasound was performed in 53.33% of cases. Macrosomic newborns were male in 80% of cases. Neonatal complications were asphyxia (60%), hypoglycemia (20%) and hypocalcemia (13.33%). Factors associated with neonatal macrosomia were diabetes (P < 0.001), history of macrosomia (P Conclusion: this study shows that the frequency of neonatal macrosomia is 2.54% with high neonatal morbidity among newborns hospitalized in the neonatology unit of the Labé regional hospital. Screening for macrosomia risk factors during pregnancy is essential to prevent perinatal complications.

关键词： Frequency Macrosomia Labe

Prevalence of Diabetes and Hypertension on World Diabetes Day 2022 in Guinea

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Open Journal of Endocrine and Metabolic Diseases 2024年第1期14卷 1-6页

作者： Mamadou Dian Mamoudou Diallo Mamadou Mansour Diallo Mamadou Chérif Diallo Mamadou Alpha Diallo Alpha Mamadou Diallo Mody Abdoulaye Barry Kadija Dieng Abdoul Mazid Diallo el’hadj Zainoul Bah Kadidiatou Bah Amatoulaye Diallo amadou Kaké Naby Moussa Baldé Oumou Baldé Unité de Diabétologie H&#244pital régional de Labé Labe Guinea Université de Conakry Conakry Guinea Service de Diabétologie CHU Donka Conakry Guinea Fondation de Lutte Contre le diabète et MNT Conakry Guinea

Introduction: Diabetes mellitus and hypertension are chronic diseases that are on the rise and pose a major public health problem among the priorities of healthcare systems. Objectives: Determine the prevalence of diabetes and hypertension and describe the sociodemographic characteristics of those screened. Materials and Methods: This was a cross-sectional study organized during a diabetes and hypertension screening campaign that took place in Conakry and five (05) inland regions on November 14, 2022. Results: 2050 people were screened, of whom 33.12% were housewives, the average age was 44.78 ± 16.23 years, and 55.27% were women. The screening sites were the city of Conakry 741 (36.15%), the Labé region 424 (20.68%), the N’Zérékoré region 298 (14.54%), the Faranah region 241 (11.75%), the Mamou region 210 (10.24%) and the Boké region 136 (6.63%). The prevalence of diabetes and hypertension were respectively 12.5% and 43.38% for the Boké region;6.19% and 16.19% for the Mamou region;3.02% and 21.81% for the N’Zérékoré region;31.95% and 13.69% for the Faranah region;9.67% and 20.28% for the Labé region;2.83% and 20.28% for the city of Conakry. Conclusion: Despite the limitations of the study duration, our series highlighted the high prevalence of diabetes and hypertension among people screened on World Diabetes Day 2022. Raising public awareness of a healthy lifestyle is essential for the prevention and control of diabetes and hypertension.

关键词： Prevalence Diabetes Hypertension

Results of the First 10 Cases of Coronary Bypass Surgery in Senegal

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World Journal of Cardiovascular Surgery 2024年第4期14卷 45-60页

作者： Papa Amath Diagne Jean Claude Ndiogou Dione Papa Ousmane Ba Momar Sokhna Diop el hadji Boubacar Ba Momar Dioum Marième Soda Mbaye Moussa Seck Diop Mory Camara Abdou Lahad Mbengue Abdou Aziz Thiaw Abdoul Khoudoss Diallo Moussa Mareme Samba Dialtabé Ibrahima Guéssé Ba Anta Mbaye sall Papa Salmaneba amadou Gabriel Ciss Department of Cardiovascular and Thoracic Surgery FANN National University Hospital Dakar Senegal

This is a review of the first 10 coronary artery bypass surgeries performed by the local team. The mean age was 62 years old [45 - 74]. The patients were predominantly male, with a M/F ratio of 4:1. Cardiovascular risk factors were mainly myocardial infarction (MI) (60%), hypertension (50%), obesity (40%) and diabetes (30%), with at least two risk factors per patient. Angina was the main symptom (80%). The average time from presentation to surgery was 8 months. The mean Euroscore 2 was 2.92 ± 1.65 [1.33 - 6.60]. Coronary angiography revealed an average of 2 lesions per patient, with 3-vessel involvement in 70% of cases: the Interventricular artery (IVA) (100%), the right coronary artery (90%) and the circumflex artery (70%). On echocardiography, the mean Left ventricular ejection fraction (LVEF) was 59% [33% - 76%]. All patients underwent median sternotomy with bypass grafting. The average duration of the cardiopulmonary bypass was 150 min [46 - 275 min];that of aortic clamping, 120 min [43 - 232 min]. The grafts used were internal thoracic artery (ITA) in 100% of cases (80% on the left and 20% on the right), and the great saphenous vein (GSV) in 60% of cases (50% on the left and 10 on the right). Double bypass was performed in 60% of cases, single bypass in 30% and triple bypass in 10%. The bypasses were performed on the IVA (100%), the middle lateral of the circumflex (30%) and the bisector (20%). The average time to extubation was 11 hours and the length of stay in the intensive care unit was 7 days [03 - 17 days]. One patient had a reoperation on Day 0 post-op. The average hospital stay was 13 days [06 - 27 days]. Complications occurred in nine of the patients (90%), with a predominance of infectious and neurological complications. Overall operative mortality was 3%, all in intensive care.

关键词： Coronary Bypass Surgery Coronary Lesions Cardiac Surgery Senegal

Disparities in Dental Caries among Students in Senegalese Koranic School: Epidemiological Study in Daara of Koki

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Open Journal of Epidemiology 2022年第2期12卷 125-133页

作者： Serigne Ndame Dieng amadou Dieng Mbathio Diop el hadj Malick Diouf Aida Kanouté Massamba Diouf Cheikh Mbaké Lô Daouda Faye Public Health Service Institute of Dentistry and Stomatology Faculty of Medicine Pharmacy and Odonto-Stomatology Cheikh Anta Diop University Dakar Senegal Sangalkam Health District Dakar Medical Region Ministry of Health and Social Action Dakar Senegal

Background: School is a space where children are exposed to the social and psychosocial environment that can affect their health. In Senegal, the prevalence of dental caries is high in classic schools according to fragmented data, and unknown in the koranic school (Daaras). Objective: The objective is to describe the disparity of dental caries in the schoolchildren (talibes) of Daara of Koki. Method: A cross-sectional study was carried out on 400 talibes aged 7 to 12 years. Dental caries and socio-demographic data were, respectively, collected by clinical examination and questionnaire. Results: The sex ratio was 9, the mean age of 9.9 ± 1.5 years and the mean length of stay in the Daara was 2.3 ± 1.1 years. The prevalence of dental caries was 47.4%. The average mixed DFMT index was 1.1 ± 1.5. The prevalence was 51.2% among boys, 60% among eight-year-old children and 37.4% among twelve-year-old children. By length of stay, the prevalence was 52.9% at the start and 22.2% at the end with a significant downward trend (p Conclusion: The study showed an unequally distributed of caries among talibes of Koki’s Daara. She suggests that oral health promotion policies are needed in Koranic schools and must rely on koranic teachers.

关键词： Dental Caries Students Koranic School

Back Surface Recombination Velocity Dependent of Absorption Coefficient as Applied to Determine Base Optimum Thickness of an n+/p/p+ Silicon Solar Cell

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Energy and Power Engineering 2020年第7期12卷 445-458页

作者： Meimouna Mint Sidi Dede Mamadou Lamine Ba Mamour amadou Ba Mor Ndiaye Sega Gueye el hadj Sow Ibrahima Diatta Masse Samba Diop Mamadou Wade Gregoire Sissoko Laboratory of Semiconductors and Solar Energy Physics Department Faculty of Science and Technology University Cheikh Anta Diop Dakar Senegal Ecole Polytechnique de Thiès (EPT) Thiès Senegal

The monochromatic absorption coefficient of silicon, inducing the light penetration depth into the base of the solar cell, is used to determine the optimum thickness necessary for the production of a large photocurrent. The absorption-generation-diffusion and recombination (bulk and surface) phenomena are taken into account in the excess minority carrier continuity equation. The solution of this equation gives the photocurrent according to absorption and electronic parameters. Then from the obtained short circuit photocurrent expression, excess minority carrier back surface recombination velocity is determined, function of the monochromatic absorption coefficient at a given wavelength. This latter plotted versus base thickness yields the optimum thickness of an n+-p-p+ solar cell, for each wavelength, which is in the range close to the energy band gap of the silicon material. This study provides a tool for improvement solar cell manufacture processes, through the mathematical relationship obtained from the thickness limit according to the absorption coefficient that allows base width optimization.

关键词： Silicon Solar Cell Absorption Coefficient Back Surface Recombination Optimum Thickness

Prevalence and Risk Factors Associated with Pulmonary Tuberculosis in Diabetics in Conakry

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Open Journal of Internal Medicine 2023年第3期13卷 155-161页

作者： Mamadou Dian Mamoudou Diallo amadou Kaké Mamadou Chérif Diallo Mamadou Mansour Diallo Alpha Mamadou Diallo Mamadou Alpha Diallo amadou Sy Boubacar Bah Oumou Younoussa Sow Kadidiatou Bah Abdoul Mazid Diallo el’hadj Zainoul Bah Mody Abdoulaye Bsarry Kadija Dieng Amatoulaye Diallo amadou Bah Department of Diabetes Donka Teaching Hospital Conakry Guinea Faculty of Health Sciences and Techniques University Gamal Abdel Nasser of Conakry Conakry Guinea Department of Pneumophthisiology Ignace Deen Teaching Hospital Conakry Guinea

Objectives: To determine the prevalence of pulmonary tuberculosis in diabetics, to identify risk factors associated with pulmonary tuberculosis in diabetics, and to describe the clinical features of the association of pulmonary tuberculosis and diabetes. Materials and method: This was a cohort study that took place from November 18, 2015 to January 31, 2018 at the Department of Endocrinology, Diabetology and Metabolic Diseases of the University Hospital of Donka. Results: among the 1912 diabetic patients screened for tuberculosis, 46 had bacteriologically confirmed pulmonary tuberculosis, i.e. a prevalence of 2.4% and 01 had clinically diagnosed pulmonary tuberculosis with 0.1%. A female predominance was noted with a sex ratio of 0.8. The 45 - 54 age group was the most affected with a mean age of 46 years. Body Mass Index (p = 0.001), smoking (p = 0.0101) and history of infection (p = 0.001) were significantly associated with pulmonary tuberculosis. The history of smoking (p = 0.0101), the notion of contagion (p = 0.001), the cough (p = 0.001), the fever (p = 0.001), the nocturnal sweat (p = 0.001) and the hemoptysis (p = 0.001) were the clinical characteristics significantly associated with pulmonary tuberculosis. Conclusion: The results of this study show a remarkably high prevalence of tuberculosis in diabetic patients in Guinea highlighting the need for urgent action to better understand and treat the double burden of tuberculosis and diabetes.

关键词： Tuberculosis Diabetes Prevalence Risk Factors Guinea