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Journal of Environmental Science and Engineering(A) 2023年第1期12卷 27-36页

作者： Hamma Fabien Yonli Mahamadou Koita serigne ahmadou bamba mar Abdoulaye Cissé Ecole Supérieure d’Ingénierie Universitéde Fada N’GourmaBP 54 Fada N’GourmaBurkina Faso Laboratoire de Physique et de Chimie de l’Environnement(LPCE) UniversitéJoseph KI-ZERBOBP 7021 Ouagadougou 03Burkina Faso Laboratoire Eaux Hydro-Systèmes et Agriculture(LEHSA) Institut International d’Ingénierie de l’Eau et de l’Environnement(2iE)01 BP 594 Ouagadougou 01Burkina Faso Direction de la Gestion et de la Planification des Ressources en Eau BP 14484 DakarSénégal

This study aims to make a hydrogeological characterization of the aquifers of the Continental Terminal and the Oligo-Miocene.To do so,an analysis is conducted on the basis of hydrogeological parameters from 172 boreholes,10 of which are used for groundwater levels and flows analysis.The results of the statistical analysis of the hydrogeological parameters show that the average flow rate is 42.29 m^(3)/h,the average specific flow rate is 5.96 m^(3)/h/m,and the average transmissivity is 0.024 m^(2)/s.These values highlight the high productivity of aquifers from the Continental Terminal and the Oligo-Miocene.The results of piezometry showed that water flows from the south center to the northwest of Tambacounda where the largest depression is located and could even be the outlet of the system.The groundwater fluctuations between low water level and high water level seasons reveal a rise in the piezometric surface of the aquifers at the scale of the study area.

关键词： Aquifer productivity piezometry Continental Terminal Oligo-Miocene

Compressive Pericardial Teratoma about a Case at Regional Hospital of Saint Louis/Senegal

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Journal of Biosciences and Medicines 2022年第6期10卷 1-7页

作者： serigne Mor Beye Cheikh ahmadou bamba Samb Aicha Ndichout Ndeye Rokhaya Diop Khadimu Rassoul Diop Ansoumana Condé Joseph Salvador Mingou Jean Baptiste Mathieu Sy Adama Kane Departement of Cardiology Regional Hospital of Saint Louis City Senegal Departement of Radiology Regional Hospital of Saint Louis City Senegal

Introduction: Cardiac tumors in children are rare. Most are discovered in children under one year of age. Echocardiography is the basic examination for the screening, it allows their detection from the fetal stage. Observation: She was a 14-year-old patient with no known history of pathology. She was admitted to our department for the exploration of dyspnea and chest pain. At her admission, she had stable hemodynamics. At cardiac auscultation, heart sounds were muffled. The EKG recorded a sinus rhythm, and negative T-waves from V1 to V4. The chest X-ray showed cardiomegaly and a dense, rounded, heterogeneous left hilar opacity, well limited. Echocardiography objected to a great intrapericardial mass in front of the left cardiac cavities compressing part of the left atrium and left ventricle associated with an important pericardial effusion. The CT scan found a heterogeneous pericardial suspected myxoma mass. The pathological examination confirmed pericardial teratoma. The patient had an excision of the pericardial mass. The evolution after surgery was favorable. Conclusion: Intra-pericardial teratomas are benign tumor. Complete removal of the tumor is curative and without recurrence.

关键词： Teratoma Pericardium Saint-Louis

Epidemiological Aspect of ST-Segment Elevation Myocardial Infarction (STEMI) in Saint-Louis of Senegal

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World Journal of Cardiovascular Diseases 2022年第12期12卷 544-555页

作者： Khadimu Rassoul Diop Joseph Salvador Mingou serigne Mor Beye Awa Niasse Youssou Diouf Papa Guirane Ndiaye Cheikh Mouhamadou bamba Diop Cheikh ahmadou bamba Samb Fatou Aw Simon Antoine Sarr Malick Bodian Mouhamadou bamba Ndiaye Adama Kane Maboury Diao Abdoul Kane Cardiology Department CHU Aristide Le Dantec Dakar Senegal Cardiology Department Saint Louis Regional Hospital Saint Louis Senegal Cardiology Department Dalal Jamm Hospital Dakar Senegal

Background: Cardiovascular Disease (CVD) has become the largest and most common cause of Non-Communicable Diseases (NCD) related deaths worldwide, accounting for more than 50%. In Senegal, a few studies done on the topic showed a low prevalence of acute coronary syndrome in hospital settings. In the city of Saint-Louis in Northern Senegal, there is little epidemiological data on Acute Coronary Syndrome (ACS) and no study specifically concerned with ST-segment Elevation Myocardial Infarction (STEMI) has been carried out to date. With this in mind, we conducted a study that focused on the analysis of STEMI patients hospitalized in the Cardiology Department of the Regional Hospital of Saint-Louis. The aim of our study was to collect and analyze the epidemiological aspect of STEMI. Results: There were 39 cases of STEMI, (i.e. 82.29% of ACS), giving a hospital prevalence of 8.21%. There was a slight male predominance with a male to female ratio of 1.05. The average age of our patients was 62.93 years ranging from 38 to 90 years. The average time between the onset of pain and arrival at the hospital was 50 hours, ranging from 1 hour to 720 hours. Patients received within the first 12 hours made up 66% (n = 26) of our population, among them, 80.76% (n = 21) (i.e. 53.84% of STEMIs) were able to benefit from thrombolysis. All thrombolysis was performed with Streptokinase. The mean time to thrombolysis was 6 hours ranging from 1 hour and 45 minutes to 11 hours. Arterial hypertension was the most frequent cardiovascular risk factor in our popular with a 43.6% prevalence, followed by diabetes (33.33%), then active smoking (23%). Chest pain was the most frequent symptom, reported in 34 patients (87.17%). The lesions on the Electrocardiogram (EKG) were located in the anterior territory in 64% of the cases (n = 25), in the inferior territory in 28% of the cases (n = 11), in the circumferential territory in 5% of the cases (n = 2), and lateral territory in 5% of the cases (n = 2). Twenty-five patients had a transthoracic echocar

关键词： Myocardial Infarction STEMI Saint-Louis Senegal

Creutzfeldt Jacob’s Disease: A Senegalese Observation

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Neuroscience & Medicine 2022年第1期13卷 43-48页

作者： ahmadou bamba Mbodji Alassane Mamadou Diop Momo Banda Ndiaye serigne Saliou Mbacke Khalifa Ababacar Mbaye Rokhaya Diagne Ibrahima Niang Ndiaga Matar Gaye Maouly Fall Adjaratou Sow Anna Basse Lala Bouna Seck Moustapha Ndiaye Amadou Gallo Diop Department of Ibrahima Pierre Ndiaye Neuroscience Fann Hospital Dakar Sénégal Department of Neurology Pikine Hospital Dakar Sénégal Department of Radiology Fann Hospital Dakar Sénégal

Creuzfelt-Jakob Disease is a rare and progressive neurodegenerative disease that results in fatal, transmissible, subacute, spongiform encephalopathy characterized by rapidly progressive dementia and movement disorder. We present a 62-year-old male with no medical history who was admitted to our hospital because of gait and balance disturbance, language impairment and progressive motor deficit of the four limbs. A neurological examination found frontal lobe syndrome signs, myoclonic movements, pyramidal and extra-pyramidal signs. Brain Magnetic Resonance Imaging detected high intensity areas in the basal ganglia. EEG showed generalized triphasic sharp-wave complexes. A Cerebro Spinal Fluid examination found protein 14-3-3. Death occurred six months after onset. This is the first known case of Creuzfelt-Jakob Disease documented in Senegal.

关键词： Creutzfeldt-Jakob Disease Protein 14-3-3 Prion Disease Rapidly Progressive Dementia

Benign Stenosis of Oesophagus: About 101 Cases in the Digestive Endoscopy Department of the General Idrissa Pouye Hospital (Dakar, Senegal)

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Open Journal of Gastroenterology 2022年第1期12卷 19-26页

作者： Mamadou Ngoné Guèye Mame Anta Camara Gnagna Diouf Salamata Diallo Cheikh ahmadou bamba Cissé marème Polèle Fall Mame Aïssé Thioubou marie Louise Bassène Daouda Dial Mouhamadou Mbengue Hepato-Gastroenterology Department The Idrissa Pouye General Hospital Dakar Senegal Hepato-Gastroenterology Department The Aristide Ledantec Hospital Dakar Senegal Hepato-Gastroenterology Department The Ziguinchor Peace Hospital Dakar Senegal

Introduction: Benign oesophageal strictures are defined as narrowing of the oesophageal lumen not related to neoplastic pathology. They are frequently encountered during endoscopic practice and are often responsible for a reduction in the quality of life of patients due to the appearance of dysphagia. In sub-Saharan Africa, little data are available on these benign esophageal strictures. The objective of our study was to determine the sociodemographic, diagnostic and therapeutic aspects of benign oesophageal strictures in a digestive endoscopy centre in Senegal. Patients and Methods: This was a retrospective, descriptive study analysing reports of upper GI endoscopies performed between January 2015 and December 2017 in a hospital in Senegal. Reports that concluded to have non-neoplastic oesophageal stenosis were collated. Sociodemographic data, indications for and results of endoscopy, and therapeutic modalities were collected. These data were analysed using the Sphinx version 5 software. Results: We collected 101 cases of benign oesophageal stenosis, representing a prevalence of 2.1% in the endoscopy centre. The mean age of the patients was 34 years (range 2 and 83 years) with a median of 37.9 years. There was a female predominance with a sex ratio of 0.38 (73 females). Dysphagia, the main symptom, was present in 87 patients (86

Gastritis: Sociodemographic, Clinical, Endoscopic and Histological Aspects, about 593 Cases at the Digestive Endoscopy Unit of the General Hospital Idrissa Pouye

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Open Journal of Gastroenterology 2021年第10期11卷 184-193页

作者： Cissé Cheikh ahmadou bamba Gueye Mamadou Ngone Diallo Salamata Fall marème Polèle Thioubou Mame Aïssé Diouf Gnagna Bassène marie Louise Dia Daouda Mbengue Mouhamadou Department of Gastroenterology and Hepatology General Hospital Idrrisa Pouye Dakar Senegal Department of Gastroenterology and Hepatology Aristide Le Dantec Hospital Dakar Senegal Department of Gastroenterology and Hepatology Ziguinchor Peace Hospital Ziguinchor Senegal

Introduction: Gastritis is a very common and widely distributed condition worldwide. It represents one of the most common pathological entities in gastroenterology and digestive endoscopy. Our objective was to determine the sociodemographic, clinical, endoscopic, and histological aspects of gastritis in the digestive endoscopy unit of the General Hospital Idrissa Pouye (GHIP). Materials and Method: This was a retrospective study over a period of 4 years (from 1 January 2014 to 31 December 2017) at the digestive endoscopy unit of GHIP. We had collated oesogastroduodenal endoscopy (EGDE) reports with gastritis appearance with gastric biopsies and reports with normal stomach appearance with gastric biopsies and their histological reports. We collected and analyzed data on age, gender, indications for endoscopy, endoscopic findings and histological results. Results: The reports of 593 patients were analyzed. The mean age was 45 years old (range 8 - 88 years old) and the sex ratio was 0.63 (230 men). The indications for endoscopy were epigastralgia in (91%) of cases, dyspepsia in (22%) of cases, pyrosis in (12%) of cases. The endoscopic appearance was normal in 229 patients (39%). The endoscopic location of the gastritis was antral in 76%, fundic in 22% and pangastric in 2%. The gastritis was erythematous in 327 patients (90%), erosive in 126 patients (35%), congestive in 53 patients (15%), pseudonodular in 14 patients (4%) and atrophic in 10 patients (3%). Histology was normal in 8 patients (1.3%) and showed gastritis in 585 patients (98.7%). Gastritis was chronic in 575 patients (98.2%), acute in 10 patients (1.7%). Gastritis activity was moder

关键词： Gastritis H. pylori Digestive Endoscopy

Ulcerative Colitis in Sub-Saharan Africa: Analysis of 24 Cases in Dakar (Senegal)

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Open Journal of Gastroenterology 2020年第6期10卷 128-136页

作者： Mamadou Ngoné Gueye Sokhna Niang Diop Salamata Diallo Gnagna Diouf Cheikh ahmadou bamba Cissé marème Polèle Fall Mame Aissé Thioubou marie Louise Bassène Daouda Dia Mouhamadou Mbengue Department of Gastroenterology Idrissa Pouye General Hospital (Former Grand Yoff General Hospital) Dakar Senegal Cheikh Anta Diop University Dakar Senegal Department of Gastroenterology Aristide Le Dantec Hospital Dakar Senegal Department of Gastroenterology Peace Hospital Ziguinchor Senegal

Introduction: The aim of our study was to determine the socio-demographic, diagnostic and therapeutic aspects of ulcerative colitis (UC) in one of the largest gastroenterology departments in Senegal. Patients and Method: This was a retrospective and descriptive study based on the analysis of the records of patients hospitalized in the Hepato-Gastroenterology Department of the Grand Yoff General Hospital (Dakar, Senegal) between January 2013 and December 2019. All cases of UC were collected. Clinical, biological, endoscopic and histological data were collected, as well as treatment options. Results: We observed 24 cases, representing a prevalence of 0.87% of inpatients. The mean age of patients was 36 (ranged 18 to 73) and sex ratio 0.9 (13 females). The mean diagnostic delay was 1.6 years (ranged 4 months to 5 years). The clinical symptomatology was dominated by diarrhea with blood and mucus (18 cases). The Litchiger score on admission averaged 8 and 5 patients (20.8%) had severe acute colitis. Colonoscopy showed pancolonic involvement (Montreal E3) in 11 cases (45.8%) and severe endoscopic lesions (stage 3 of the Mayo endosc

关键词： Ulcerative Colitis Sub-Saharan Africa Toxic Megacolon 5 ASA Azathioprine

Upper Digestive Lesions Not Linked to Portal Hypertension during Cirrhosis: About 82 Cases in the Hepato-Gastroenterology Department of Aristide Le Dantec Hospital

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Open Journal of Gastroenterology 2020年第4期10卷 53-60页

作者： Mamadou Ngoné Gueye marie Louise Bassè ne Salamata Diallo marè me Polele Fall Cheikh ahmadou bamba Cissé Mame Aè ssé Thioubou Gnagna Diouf Daouda Dia Mouhamadou Mbengue Mamadou Lamine Diouf Hôpital Général Idrissa Pouye (HOGIP) Dakar Sénégal Hôpital Aristide Le Dantec (HALD) Dakar Sénégal Hôpital de la Paix Ziguinchor Sénégal

Introduction: The aim of this study was to determine the frequency of digestive lesions unrelated to portal hypertension during cirrhosis and to look for a possible correlation between these lesions and the severity of chronic liver disease. Material and method: Over a period of 15 months (April 1, 2014 to June 30, 2015), all the records of cirrhotic patients who followed up on an outpatient or inpatient basis in the hepato-gastroenterology department of the Aristide Le Dantec Hospital were collected. The data collected were as follows: age, sex, Child-Pugh severity score, etiology of cirrhosis, indication for endoscopy and endoscopic lesions observed. Results: Data were analyzed from 82 patient records with a mean age of 43 years (range 16 and 79 years) and a sex ratio of 1.4 (54 males). Cirrhosis was classified as Child-Pugh B in 47% of cases and Child-Pugh C in 35% of cases. The etiology was viral B in 75 patients (91.5%), B-D co-infection in 2 cases, and alcoholic in 1 case. The indication for oeso-gastroduodenal endoscopy was a systematic search for signs of portal hypertension in 66 cases (80.4%), upper gastrointestinal haemorrhage in 11 cases (13.4%) and epigastralgia in 6.2% of cases. Endoscopic lesions unrelated to portal hypertension were observed in 61 patients (74.4%). Peptic ulcer was present in 26 patients (31.7%), and congestive gastrobulbitis was observed in 38 patients (46.3%) and erosive gastrobulbitis in 32 patients (39%). Of the 43 upper GI endoscopies with biopsies, Helicobacter pylori was found at histology in 17 cases (39.5%). Eighteen patients (21.9%) had esophageal candidiasis. In multivariate analysis, there was no association between no portal hypertension lesions and the severity of cirrhosis. Conclusion:Upper gastro intestinal lesions unrelated to hypertension were present in 3/4 of cirrhotic patients. Peptic ulcer disease and congestive and erosive gastrobulbitis were the most frequently observed lesions. There was no significant association between non-PTH-related lesions and the se

关键词： Cirrhosis Peptic Ulcer Congestive Gastrobulbite Erosive Gastrobulbite