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How a Cancer Registry Was Set Up in Senegal: An Example to Follow for a Developing Country

Journal of Cancer Therapy 2023年第9期14卷 382-389页

作者： Salif Baldé sokhna diop niang Oumar Ba Mamadou diop Joliot Curie Institute Aristide Le Dantec Hospital Dakar Senegal Departmentof Internal Medicine Dalal Jamm Hospital Dakar Senegal Department of Internal Medicine Idrissa Pouye Hospital Dakar Senegal

Objectives: Senegal, with the support of WHO, had begun the establishment of a National Cancer Registry in 2009, although it had been at a standstill since 1969;the objective of this work was to test the reliability of data collection tools and feasibility stages necessary for the validation of media before the establishment of a national cancer registry. Methodology: We conducted a non-exhaustive preliminary study over a period of three months from the first of January to 31 March 2010 at four major hospitals in Dakar at the time. Results: Two hundred and eighty-nine cases had been identified: 44% of men (n = 127) and 56% of women (n = 162) with a sex ratio of 0.8. The ages ranged from 20 to 90 years with an average of 50 years. The main diagnostic mode was essentially histological, with 76% of cases (n = 219). The most frequent locations were: ORL (ENT meaning Ear, Nose and Throat) with 25% of cases, liver 7% and bronchopulmonary 4.5% of cases. In men, liver cancer was the most common location and women for cervical cancer with 16%. Squamous cell carcinoma was the most common histological type with 68% of cases followed by adenocarcinoma with 22% of cases. Thirty-eight percent of patients were classified as stage III and IV. A quarter of our patients had received palliative treatment. In contrast, 15 (15%) had received chemotherapy and 4% had received radiotherapy. Data collection was satisfactory. Conclusion: Cancer is a reality in Senegal but it remains underdiagnosed. The materials made it possible to make the cancer registry effective throughout the country.

关键词： Registry Cancer Senegal

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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

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Identification of Antioxidant Additives in Food Products Sold in Dakar Markets

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Open Journal of Applied Sciences 2024年第1期14卷 51-62页

作者： Alé Kane Papa Amadou Diakhaté sokhna Ndao Modou Dieng Mady Cisse Amadou diop Laboratory of Biological Agronomic and Food Sciences and Complex Systems Modelling (LABAAM) University Gaston Berger (UGB) Saint-Louis Senegal UFR of Agronomic Sciences Aquaculture and Food Technology (UFR S2ATA) UGB Saint-Louis Senegal Analytical Chemistry and Bromatology Laboratory University Cheikh Anta Diop of Dakar Dakar Senegal Department of Chemical Engineering and Applied Biology University Cheikh Anta Diop of Dakar Dakar Senegal

The use of food additives in industrial production has the advantage of improving sensory properties, technological quality and extending the shelf life of foods. Among the most widely used additives are antioxidants, which prevent oxidation, browning and rancidity reactions in foods. However, the strong presence of these additives on the market is not without risks for human health, and should be controlled to guarantee food safety. Analysis of the risks associated with consumption of foods containing these additives requires, among other things, information on the frequency of use of these additives in various consumer products. The aim of this study is therefore to identify the antioxidants present in industrial food products distributed in Dakar. The methodology adopted consists of a qualitative analysis based on the identification of additives from food labels. Investigations were carried out in 9 stores, 4 superettes and 2 supermarkets located in different districts of Dakar. The results revealed the presence of 12 antioxidant additives, dominated by citric acid (53%) and ascorbic acid (29%). These studies have also highlighted the simultaneous use of several antioxidants in the same food product. Moreover, for some artificial antioxidants identified antioxydant such as BHA and BHT, health risks are associated with their consumption. The results of this study open up prospects for the development of information databases on food additives.

关键词： Additives Antioxidant Food Products Market Risk

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A Comparative Study of Mandibular Fractures in Senegal: Children vs. Adults

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Open Journal of Stomatology 2024年第2期14卷 72-76页

作者： Paul niang Department of Oral Surgery Cheikh Anta Diop University Dakar Senegal

Introduction: The commonest maxillofacial fractures involve the mandible. Age can be considered among influential factors. Aim of the Study: To compare mandibular fractures between children and adults from the beginning up to the treatment in Senegal. Patients and Method: A three-year retrospective study was conducted in a university hospital. The medical records of patients admitted for maxillofacial injuries were reviewed. Patient and injury-related variables including age, gender, etiology, average consultation delay, anatomic location of fracture and treatment were compared up to age of 15 and beyond that. Results: Considering 272 casualties, maxillofacial fractures were less frequent among children than adults (36.7% and 59.7%) and were mainly mandibular (90.1% and 91.4%). Male predilection (sex ratio of 2.4 and 4.9) was twice (2) as pronounced from the age of 16. The average consultation delay was two (2) times shorter for children. Road traffic accidents which predominated among children (33.9%) had comparable frequency (32.3%) although they were outnumbered by assault (37.6%) among adults. Fractures occurred mainly on the corpus (90.1% and 90.4%), particularly on parasymphysis (40.1%) up to the age of 15, whereas angle fractures increased (8.5% to 19.6%) and joint damage decreased afterwards. Intra-oral orthopedic procedures (91.2% and 92.6%) in which mandibular retention splints were more common (37.3%) up to the age of 15 then arch ligatures (49%) were then widely favored. Conclusion: Differences relating to the distribution of causes but also to the anatomic location on the corpus and to the choice of intra-oral orthopedic procedures within overall similarities between children and adults regarding the male predilection, the frequency of road traffic accidents, the mandibular injuries, but also the school therapeutic attitude consisting of favoring the orthopedic option.

关键词： Fracture Mandible Child Adult

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Early Prosthetic Valve Endocarditis with Mycobacterium Tuberculosis after Mitral Valve Replacement: A Case Report

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World Journal of Cardiovascular Surgery 2024年第3期14卷 33-40页

作者： Papa Amath Diagne Mory Camara Papa Ousmane Ba Momar sokhna diop Moussa Samba Abdou Lahad Mbengue Jean Claude Ndiogou Dione Myriam Bizrane Marième Soda Mbaye Moussa Seck diop Toudiani Malam Kaka Papa Salmane Ba Papa Adama Dieng Amadou Gabriel Ciss Assane Ndiaye Cardiovascular and Thoracic Surgery Department FANN National University Hospital Dakar Senegal

Background: Tuberculous endocarditis is a rare but serious complication of heart valve replacement surgery. We report the case of a 24-year-old patient, who presented with tuberculous endocarditis after mechanical mitral valve replacement, with a favorable clinical course following anti-tuberculosis treatment. Case Presentation: We report a 24-year-old male patient, admitted to the cardiac surgery department of the Fann Hospital (Dakar, Senegal), for the management of severe mixed (rheumatic and endocarditic) mitral insufficiency with associated tricuspid insufficiency. He had a history of recurrent angina and polyarthralgia in childhood, was hospitalized several times for refractory global cardiac decompensation, and for a suspected infective endocarditis a month before his admission. On admission, the clinical examination revealed signs suggestive of mitral and tricuspid insufficiency. Transthoracic echocardiography revealed severe post-endocarditic mitral insufficiency with A3 amputation, highly mobile 15 mm vegetations on the free edge of the large valve, moderate tricuspid insufficiency, and severe pulmonary artery hypertension. Mechanical mitral valve replacement and tricuspid valve annuloplasty using autologous pericardial strip were performed via median sternotomy. After ten days, the patient presented with global cardiac decompensation associated with a clinico-biological infectious syndrome, and tans-oesophageal echography revealed an abscess at the sinotubular junction, communicating with the aorta. A thoraco-abdomino-pelvic CT scan was done, which revealed a bilateral alveolar-interstitial syndrome with mediastinal lymphadenopathy. Anti-tuberculosis treatment with RHZE was initiated for 06 months. The clinical course was favorable. Conclusion: Tuberculous endocarditis in prostheses is a serious complication of heart valve replacement surgery, which may evolve favorably under medical treatment.

关键词： Tuberculous Endocarditis Prosthetic Valve Endocarditis Mycobacterium Tuberculosis

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Frailty in People Living with Human Immunodeficiency Virus Aged 50 Years and Older: Prevalence and Predictors

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World Journal of AIDS 2024年第1期14卷 18-34页

作者： Alassane Ndiaye Ndèye Fatou Ngom Kiné Ndiaye Assiétou Gaye Elhadji Bara diop Ahmadou Mboup Houlèye Saou Bessoume Sy Ababacar niang Betty Fall Mame Awa Faye Outpatient Treatment Clinic (CTA) Dakar Senegal Medicine Department of Health and Sustainable Development/Research and Training Unit (UFRSDD) Alioune Diop University of Bambey Diourbel Senegal Health and Development Institute (ISED) Cheikh Anta Diop University Dakar Senegal Geriatrics and Gerontology Department Fann National Teaching Hospital Center Dakar Senegal

Introduction: Life expectancy improvement for people living with Human Immunodeficiency Virus (HIV) is coming up against the problems associated with aging and chronic diseases. Frailty is a concern affecting a growing number of patients, particularly the elderly in this population. Our study aimed to determine the prevalence of frailty and its predictors on people living with HIV aged 50 years and older followed at the Outpatient Treatment Clinic (CTA) in Dakar. Methodology: We conducted a cross-sectional study of descriptive and analytic purposes ranging from November 2022 to August 2023, in CTA, Dakar (Senegal). We included people living with HIV aged 50 years and older under antiretroviral therapy for at least 6 months (≥6 months). Frailty was considered according to Fried criteria with a score ≥3. To identify the predictors of frailty, we performed a multivariate logistic regression analysis using STATA software version 18. Results: We included 199 patients. The median age at the moment of the study was 58 years old [50 - 91] with a sex ratio (M/F) of 0.58. The most representative age group was that of [50 - 59] years (59.3%). HIV-1 profile was most common in 89.45%. The median duration under antiretroviral therapy was 180 months [6 - 284] and 94% of patients received a Tenofovir Disoproxil Fumarate (TDF)-containing regimen with 43% of them for at least 10 years. Viral load was undetectable (≤40 copies/ml) in 98% of cases. WHO Stage III was more common at inclusion and 55.78% had nadir TCD4+ Lymphocyte counts Conclusion: Our study confirms the high prevalence of frailty among older people living with HIV. Its prevention should consider the management of comorbidities and the implementation of non-pharmacological interventions such as nutrition.

关键词： Frailty HIV Senior Dakar

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COVID-19/Tuberculosis Co-Infection at the Epidemic Treatment Center (ETC) of Saint-Louis (Senegal): About 9 Cases

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Advances in Infectious Diseases 2024年第1期14卷 56-66页

作者： Alassane Dièye Moustapha Diedhiou Papa Latyr Junior Diouf Mba Bambo Diakhaby Demba Makalou Samba niang Diatou Dia-Gueye Amadou diop Dia Ibrahima Louis Martin Dieng Seynabou Lô Ndéye Méry Dia-Badiane Health Sciences Training and Research Unit Gaston Berger University Saint-Louis Senegal Department of Medicine Saint-Louis Regional Hospital Saint-Louis Senegal Infectious and Tropical Diseases Clinic of Fann Dakar Senegal

Introduction: COVID-19 is a global public health emergency that can cause acute respiratory distress syndrome. In countries where tuberculosis (TB) is endemic, coinfection of COVID-19 and TB is often encountered, which increases the risk of developing severe forms of COVID-19. Objectives: The aim of this study was to determine the prevalence of COVID-19/TB coinfection at the Epidemic treatment center (ETC) in Saint-Louis (Senegal) and to describe the epidemiological, clinical, paraclinical, and outcome profile of co-infected patients. Patients and Methods: This is a retrospective, cross-sectional, descriptive cohort study based on the records of COVID-19/ TB co-infected patients who were hospitalized at the ETC in Saint-Louis (Senegal) over an 18-month period from March 2020 to September 2021. Results: Out of a total of 454 hospitalizations, we collected records of 9 patients co-infected with COVID-19/TB, resulting in a prevalence of 2%. The study included patients with a median age of 34 years (range: 10-86 years), with a male predominance (7 cases) and a sex ratio of 3.5. The majority of patients (88.9%) had severe forms of COVID-19. Dyspnea and cough were reported in all patients (100%). Pulmonary TB was the most frequent localization, with 9 cases. The diagnosis of COVID-19 was confirmed by nasopharyngeal PCR in all patients (100%). Bacilloscopy was positive in 3 out of 5 cases. One patient tested positive for GeneXpert? MTB/RIF without rifampicin resistance. All patients were prescribed the hydroxychloroquine-azithromycin combination and anti-tuberculosis treatment. Out of the nine patients, four recovered (44.4%) and five died (55.5%). Conclusion: COVID-19/TB coinfection had a low prevalence in our cohort, but was associated with a high mortality due to the frequent occurrence of severe forms of the disease.

关键词： COVID-19 Tuberculosis Saint-Louis Senegal

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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

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Profile of SARS-CoV-2 Infected Patients Hospitalized at the Epidemic Treatment Center (ETC) in Saint-Louis, Senegal during the First Two Waves

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Advances in Infectious Diseases 2024年第2期14卷 322-337页

作者： Alassane Dièye Papa Latyr Junior Diouf Bourama Diémé Moustapha Diedhiou Diatou Dia-Gueye Amadou diop Dia Samba niang Ibrahima Louis Martin Dieng Ameth Dieng Seynabou Lô Ndéye Méry Dia-Badiane Health Sciences Training and Research Unit Gaston Berger University Saint-Louis Senegal Emergency Department of Regional Hospital Center Saint-Louis Senegal Department of Infectious and Tropical Diseases of Fann Dakar Senegal

Introduction: The SARS-CoV-2 infection is a major public health emergency. Several risk factors are involved in the occurrence of respiratory distress that can lead to death despite resuscitation measures. Objectives: The aim of this study was to describe the epidemiological, clinical, paraclinical, therapeutic, and evolution profile of patients infected with SARS-CoV-2 hospitalized at the CTE of Saint-Louis (Senegal) during the first two waves. Patients and Methods: We conducted a retrospective, cross-sectional, descriptive, and analytical study that included all patients hospitalized at the ETC of Saint-Louis (Senegal) with SARS-CoV-2 infection from March 2020 to April 2021. Results: A total of 358 cases were collected, 256 (71.5%) during the first wave and 102 (28.5%) during the second wave. The mean age was 49.5 years (19.5). There was a male predominance (58.4%), with a sex ratio of 1.4. Hypertension was the main comorbidity, with 87 cases (24.3%). The most common functional signs were cough in 194 cases (54.2%), dyspnea in 143 cases (40%) and ageusia in 134 cases (37.4%). Thoracic CT scans were performed on 20 patients (5.6%), with severe involvement (50% - 75%) observed in 50% of cases. Hydroxychloroquine-azithromycin was prescribed to 351 patients (98%). Overall, 338 (94.4%) recovered and 17 (4.7%) died. In multivariate analysis, factors associated with death were male sex [OR = 2.645;95% CI: 1.530 - 4.785;p = 0.011], age 60 years [OR = 1.039;95% CI: 0.564 - 1.914;p = 0.002], the presence of comorbidities [OR = 2.171;95% CI: 0.564 - 3.429;p = 0.033], SpO2 (ambient air) 95% [OR = 2.061;95% CI: 0.616 - 3.827;p = 0.03], acute respiratory distress syndrome (ARDS) [OR = 0.635;95% CI: 0.316 - 1.275;p = 0.001], severe form [OR = 1.664;95% CI: 0.298 - 2.478;p = 0.016], occurrence of complications [OR = 0.521;95% CI: 0.287 - 0.944;p = 0.032], high creatinine levels [OR = 2.061;95% CI: 1.616 - 3.827;p = 0.026], and lymphopenia [OR = 0.485;95% CI: 0.370 - 0.636;p = 0.001]. Conclusion: In our series, infection with S

关键词： SARS-CoV-2 Saint-Louis Senegal

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Influence of Topography on the Distribution and Structure of Woody Plants in the Senegalese Sahel (Sandy Ferlo)

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American Journal of Plant Sciences 2024年第1期15卷 14-28页

作者： Moustapha Bassimbe Sagna Aïssatou Ndong Thiam Khoudia niang Oumar Sarr Aly Diallo Sekouna Diatta Daouda Ngom Aliou Guissé Department of Plant Biology Faculty of Science and Technology Cheikh Anta Diop University Dakar Senegal IRL 3189 “Environment Health Society” Tessekere Human Environment Observatory (Senegal) Dakar Senegal Department of Agronomy and Plant Production El Hadji Ibrahima Niasse University Kaolack Senegal Department of Agroforestry Assane Seck University Ziguinchor Senegal

This study describes the floristic composition and structure of a woody stand in the Senegalese Sahel, paying particular attention to the edaphic factors of its floristic composition. A stratified inventory considering the different relief units was adopted. Woody vegetation was surveyed using a dendrometric approach. The results obtained show that the flora is dominated by a few species adapted to drought, such as Balanites aegyptiaca (L.) Del., Calotropis procera Ait. and Boscia senegalensis (Pers.). The distribution of this flora and the structure of the ligneous plants are linked to the topography. In the lowlands, the flora is more diversified and the ligneous plants reach their optimum level of development compared with the higher relief areas. In the lowlands, there are a few woody species which, in the past, were indicative of better climatic conditions. These are Anogeissus leiocarpus (DC.), Commiphora africana (A. Rich.), Feretia apodanthera Del., Loeseneriella africana (A. Smith), Mitragyna inermis (Willd.) and Sclerocarya birrea (A. Rich). It is important that their reintroduction into reforestation projects takes account of their edaphic preference.

关键词： Woody Plants Distribution Topography Ferlo Senegal

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