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Survey of Patient Knowledge, Attitudes and Practices Regarding ENT Pathologies in a Tertiary Health Care Facility in West Africa

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International Journal of Otolaryngology and Head & Neck Surgery 2021年第3期10卷 164-172页

作者： diallo Alpha Oumar diallo Oumar Raphiou Fadegnon Sé nami Hé lé na diallo mamadou aliou Dabo Ismaë l Sinayoko Alimou ENT & CFS Department Ignace Deen National Hospital Conakry Guinea Department of Odontostomatology and Maxillofacial Surgery Donka National Hospital Conakry Guinea ENT & CFS Department Donka National Hospital Conakry Guinea

The ENT pathologies are not well known to the populations of our developing countries. This lack of knowledge leads certain subjects to have attitudes and practices that favor their occurrence and/or their aggravation. The objective of this study was to assess the knowledge and describe the attitudes and practices of patients facing ENT pathologies at the Conakry Hospital and University Center (CHU). This was a prospective, descriptive study lasting six months (June-November 2018). Among the 1410 patients who had consulted in the department during the study period, 1102 had participated in the survey, or 78.16% of cases. The mean age of the patients was 39.3 ± 17.3 years, predominantly female, for a sex ratio of 0.75. The majority of patients were of university education (41.02%) and civil servants (38.66%) represented the dominant socio-professional layer. Rhino-sinusitis (30.85%) and ear infections (20.14%) were the most common pathologies. Almost a third (32.85%) of respondents had no knowledge of behaviors harmful to ENT health. More than half (52.45%) of the patients did not know of any factors favoring the occurrence of ENT pathologies. The therapeutic orientation had been made towards modern medicine in 63.52% against 4.54% for traditional medicine. The choice of self-medication concerned 31.94% of patients. This survey showed that patients have limited knowledge of ENT pathologies as well as the attitudes and practices likely to favor their occurrence. However, a multicenter study involving a larger proportion of patients will confirm these data.

关键词： Knowledge Attitudes Practices ENT Conakry

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HIV合并结核感染的流行病学特征和相关影响因素

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中国医师杂志 2011年第1期13卷 1-4页

作者： diallo M A 陈霞郑煜煌谌资何艳周华英贺梅郑力文姚运海中南大学湘雅二医院艾滋病研究室长沙410011

目的研究人类免疫缺陷病毒（humam immunodenciency virus，HIV）感染者中合并结核（tuberculosis，TB）感染的流行病学特征和相关影响因素。方法对1139例HIV感染者或艾滋病（AIDS）病人，用统一的调查表了解其流行病学一般情况，行痰... 详细信息

目的研究人类免疫缺陷病毒（humam immunodenciency virus，HIV）感染者中合并结核（tuberculosis，TB）感染的流行病学特征和相关影响因素。方法对1139例HIV感染者或艾滋病（AIDS）病人，用统一的调查表了解其流行病学一般情况，行痰涂片、X光胸片检查、PPD皮试、TB抗体以及血沉等检测，部分病人做了痰培养或病理检查。对1023例结核病人进行HIV抗体检测，用SPSS软件对不同因素对HIV合并TB感染或TB合并HIV感染的影响情况进行相关性分析。结果本组HIV合并TB的感染率为25．20％；静脉吸毒传播的HIV感染者合并的TB发病率明显高于性传播的HIV感染者（33．62％vs18．61％，）（χ2=31．63，P〈0．01），CD4^＋T细胞计数≤200个／μl的AIDS病人其TB发病率明显高于其它组（35．93％VS23．55％，χ2=11．42，P〈0．01；35．93％vs21．80％，χ2=42．37，P〈0．01）。住院TB患者中HIV抗体的检出率为1．56％。不同年龄组和不同职业的结核患者其抗HIV检出率差异无统计学意义（P〉0．05）；有吸烟史或其它慢性肺部疾病史的结核患者中HIV的检出率比无该类病史的患者更高。结论本组HIV合并TB感染率25．20％，静脉吸毒传播者和CD4^＋T细胞〈200个／μl的HIV—AIDS合并结核感染的发病率较高。有吸烟史或肺部感染史的结核患者，HIV抗体的检出率较高。

关键词： HIV 获得性免疫缺陷综合征/并发症/流行病学结核/并发症/流行病学

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Oral Lesions Observed in Tobacco Consumers: Socio-Demographical and Clinical Aspects in the Prefectures of Kankan and Siguiri Republic of Guinea

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Open Journal of Stomatology 2021年第11期11卷 443-450页

作者： diallo Oumar Raphiou Conde Alhassane diallo Ibrahim Balde mamadou aliou Department of Odontostomatology and Maxillofacial Surgery Donka National Hospital Conakry Guinea Center for Research and Valorization of Medicinal Plants Conakry Guinea

Introduction: Oral lesions observed in Chewing Tobacco (CT) consumers are histological alterations caused by direct contact with the tissues of the oral cavity. The objectives of this study were to determine the socio-demographic status of consumers and describe the clinical characteristics of the oral lesions observed. Material and Method: It was a descriptive cross-sectional study lasting 12 months (January 2017 to January 2018), in the prefectures of Kankan and Siguiri as a framework. Individuals who use chewing tobacco and whose oral examination revealed oral lesions were included in this study. Results: The frequency of oral lesions induced by the consumption of chewing tobacco was 90%. Dental pain was the most cited reason for using CT by respondents, i.e., 25.41%. The most concerned age group was that of 50 - 64 years or 23.81 with a male predominance of 84.13% (n = 53). A number of 61 respondents came from rural areas. Farmers were the predominant socio-professional group, i.e., 63.49% (n = 40). In 60.32% (n = 38) of respondents, the duration of CT consumption was greater than 10 years. Black villous tongues followed by neoplastic ulcerations were the most common oral lesions with 32 (50.79%) and 14 (22.22%) cases, respectively. The site of the lesion was the tongue in 47 consumers (74.61%) and in the lower vestibule in 15 users (23.80%). Among the oral diseases, mylolysis was the most common, i.e., 95.24% (n = 60). In 82.54% of cases (n = 52), Simplified Oral Hygiene Index (SOHI) was low and in 12.70% (n = 8) of respondents, SOHI was good. Conclusion: Chewing tobacco predisposes to a high risk of damage to the oral cavity and the development of potentially malignant lesions. In addition, it exerts some detrimental effects on the teeth and adjacent structures.

关键词： Chewing Tobacco Oral Lesions Socio-demographic Clinical Guinea

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Role of Nrf2 in chronic liver disease

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World Journal of Gastroenterology 2014年第36期20卷 13079-13087页

作者： Wei Tang Yong-Fang Jiang Murugavel Ponnusamy mamadou diallo Liver Diseases Research Center The Second Xiangya Hospital Central South University Department of Medicine Rhode Island Hospital and Alpert Medical School of Brown University Providence RI 02903 United States Department of Immunology and Infectious Diseases Harvard School of Public Health Harvard UniversityBoston MA 02115-6018 United States

Nuclear erythroid 2-related factor 2(Nrf2) is a central regulator of antioxidative response elements-mediated gene expression. It has a significant role in adaptive responses to oxidative stress by interacting with the antioxidant response element, which induces the expression of a variety of downstream targets aimed at cytoprotection. Previous studies suggested oxidative stress and associated damage could represent a common link between different forms of diseases. Oxidative stress has been implicated in various liver diseases, including viral hepatitis, nonalcoholic fatty liver disease/steatohepatitis, alcoholic liver disease and drug-induced liver injury. Nrf2 activation is initiated by oxidative or electrophilic stress, and aids in the detoxification and elimination of potentially harmful exogenous chemicals and their metabolites. The expression of Nrf2 has been observed throughout human tissue, with high expression in detoxification organs, especially the liver. Thus, Nrf2 may serve as a major regulator of several cellular defense associated pathways by which hepatic cells combat oxidative stress. We review the relevant literature concerning the crucial role of Nrf2 and its signaling pathways against oxidative stress to protect hepatic cell from oxidative damage during development of common chronic liver diseases. We also review the use of Nrf2 as a therapeutic target to prevent and treat liver diseases.

关键词： Nuclear erythroid 2-related factor 2 Chronic liver disease Oxidative stress Reactive oxygen species Hepatic injury Hepatic protection

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Photoassisted Ozonation of Red Cationic X-GRL Dyeing Wastewater Treatment

Photoassisted Ozonation of Red Cationic X-GRL Dyeing Wastewa...

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作者： diallo mamadou DA? 浙江大学

学位级别：硕士

学位论文的主要内容及创新点：印染(阳离子红X-GRL)废水的特点是高的色度，高pH值和有机污染物质集中，从而造成景观质量变差。世界印染工业的高速发展带动了对印染废水处理的研究。然而，众所周知，印染(阳离子红X-GRL)废水... 详细信息

学位论文的主要内容及创新点：印染(阳离子红X-GRL)废水的特点是高的色度，高pH值和有机污染物质集中，从而造成景观质量变差。世界印染工业的高速发展带动了对印染废水处理的研究。然而，众所周知，印染(阳离子红X-GRL)废水很难被传统的处理方式(比如物化和生化方法)处理。臭氧氧化方法将会有助于在染工业方面保护环境和重复使用水。应用臭氧处理，虽然有很多优点，但是对许多难降解有机物却很难做到完全去除!尽管鼓励将O和UV结合起来。在这篇论文中，我们研究了这个高级氧化技术，以期达到处理的最优化，。研究了反应条件的影响：温度，时间，pH，色度，CODcr，BOD和反应机理被调查。实验的结果显示，作为一种深度处理的方式，臭氧对废水的氧化、除色以及循环使用都是非常有效的。将UV和臭氧结合起来，结果表明是很有效的。研究了臭氧+UV对印染(阳离子红X-GRL)废水的氧化处理情况。在相同的实验条件下，将这些系统的氧化产物和产量与臭氧氧化的产物和产量进行比较。臭氧氧化使得COD降解速度提高(在pH3下)。臭氧+UV体系对COD和BOD的降解都有很大的提高，这说明它是最好的氧化方式。无论是什么废水，氧化体系(脱色)与臭氧氧化本身比较。不同的动力学叁数也决定到对於被应用的氧化系统的废水反应度的量。 C，O=30mg/L，kobs=9743,66exp(-32610／RT)[HO]0.023(S) C，O=50mg／L，kobs=5024,53exp(-32610／RT)[HO]0.023(S) C，O=80mg／L kobs=3687.01exp(-32610／RT)[HO)0.023(S)

关键词：染料臭氧氧化废水处理技术研究阳离子红X-GRL 脱色反应动力学和反应机制涂颜色

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Sustainable Management of Biodegradable Waste in Guinea: Effect of Compost on Eggplant and Chilli Crop Yields Pepper

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Agricultural Sciences 2024年第9期15卷 1009-1017页

作者： mamadou Yaya Baldé mamadou aliou diallo Mariama Barry Dian Foula diallo mamadouba Bangaly Camara Nyankoï Soropogui Institut de Recherche Environnementale de Guine (IREG) Conakry Guinea Department of Chemistry Gamal Abdel Nasser University of Conakry Conakry Guinea

The fight against insalubrity in large urban and peri-urban agglomerations is a major challenge in developing countries. This problem is compounded by that of sustainable waste management mechanisms. Indeed, the current waste collection system in Guinea has proved inadequate, as moving garbage from point “A” to point “B” is tantamount to “moving the problem”. The aim of this experimental work is to demonstrate the cost-effectiveness and benefits of sustainable waste management. As part of this drive to valorize biodegradable waste, the Waste Management Research Center has undertaken a series of activities ranging from composting organic waste to testing compost on certain crop varieties. An experimental field of 8024 m2 was laid out and treated with 1500 Kg of fine compost in doses ranging from 2.5 to 5 T/ha. Two crop varieties, eggplant and chili, were tested. Compost application increased production yields: 15 to 21 tonnes of eggplant and 10.4 to 11.1 tonnes of chili per hectare. Growth rates compared with usual yields varied from 50% to 64% and from 11% to 17% for eggplant and chili, respectively. This study resulted in an optimum compost dose of 2.5 T/ha for this phase.

关键词： Sustainable Waste Management Compost Eggplant Chilli Yield IREG CREGED

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Cervicofacial Cystic Lymphangiomas and Review of the Literature: About 2 Cases at Donka National Hospital

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International Journal of Otolaryngology and Head & Neck Surgery 2022年第6期11卷 292-299页

作者： Abdoulaye Keïta Ibrahima diallo Mamady Fofana Sayon Kourouma mamadou Mouctar Ramata diallo mamadou aliou diallo Sory Sacko Mohamed Casimir Kaman Department of ENT-HNS Donka University Hospital Conakry Republic of Guinea Department of ENT-HNS Kankan Regional Hospital Kankan Republic of Guinea Department of ENT-HNS Camp Samory Touré Conakry Republic of Guinea Department of ENT-HNS Mamou Regional Hospital Mamou Republic of Guinea

In this retrospective study, conducted over 7 years (2009-2016) at the ENT and Head and Neck Surgery Department of the Donka National Hospital, we report 2 cases of cervicofacial cystic lymphangiomas. They were a 28-month-old girl and a 2-year-old boy. The symptomatology was noted after their birth. Dyspnea and dysphagia were found in the boy. They had a satisfactory general condition. ENT examination noted a cystic-like tumor syndrome. Imaging showed evidence of a cystic lymphangioma of the cervicofacial region. Pathological examination confirmed the diagnosis. All patients underwent exeresis cervicotomy. We found adhesion of the lymphangioma cyst to the internal jugular vein in the children. The boy presented a paralysis of the chin branch of the facial nerve after the surgery. We did not find any tumor recurrence. However, cystic cervicofacial lymphangiomas are a particular aspect of surgical pathology in children in Africa. In spite of the advent of sclerosing products, surgery remains for us the treatment of choice.

关键词： Cystic Lymphangioma Management Literature Review African Setting

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Influence of anthropic and eco-hydrological factors on the floristic diversity of the herbaceous vegetation around the temporary ponds in Ferlo,northern Senegal

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Journal of Plant Ecology 2022年第1期15卷 26-38页

作者： Ndiabou Faye Aly diallo Moustapha BassimbéSagna Jean Luc Peiry Papa Saliou Sarr aliou Guisse Département de Biologie Végétale UniversitéCheikh Anta DiopDakarSenegal IRL3189 Environment SantéSociétésCentre National de la Recherche Scientifiques(CNRS)ParisFrance IRL3189 Environnement SantéSociétésUniversitéCheikh Anta DiopDakarSenegal Observatoire international Hommes Milieux-OHMi Tessekere UniversitéCheikh Anta DiopDakarSenegal Observatoire international Hommes Milieux-OHMi Tessekere Centre National de la Recherche Scientifique(CNRS)ParisFrance Departement d’Agroforesterie UniversitéAssane Seck de ZiguinchorZinguinchorSenegal Département de Géographie Universitéde Clermont FerrandClermont-FerrandFrance Japan International Research Center for Agricultural Sciences(JIRCAS) TsukubaIbarakiJapan

Temporary ponds play substantial roles in preserving biodiversity in the *** study investigated the influence of anthropic and eco-hydrological factors on the plant diversity around two grazed ponds and one ungrazed pond in Ferlo,northern *** phytoecological transects were established per *** each transect,homogenous herbaceous vegetation units were identified and characterized(herbaceous cover,exposure,soil texture,soil moisture and pH,average height and slope).The herbaceous flora comprised 55 species,41 genera and 22 families across the three *** of the Poaceae,particularly Eragrostis tremula and Enteropogon prieurii,mostly colonized the grazed ponds,while the ungrazed pond favored other families’species such as Achyranthes sp.,Commelina forsskaolii,Corchorus *** Shannon’s diversity index(H′)of Wendu Marodi(ungrazed pond)was slightly higher(4.9 bits)than that of Belel Lougal and Belel Sow(grazed ponds)with 4.8 and 4.5 bits,*** equitability indices were relatively high in the three ponds(0.85,0.83 and 0.78).Eco-ecological factors distinguished four species’groupings:a Tribulus terrestris grouping colonizing the constraining and over-grazed zones,a Digitaria horizontalis grouping,and Chloris barbata grouping found in the transition zones,and an Achyranthes aspera grouping in the wetlands,where woody plants were strongly present and the anthropic action *** study highlighted the importance of maintaining a landscape mosaic of ungrazed or semi-protected ponds and grazed ponds to preserve the herbaceous floristic diversity in the center of Ferlo(Senegal)and the Sahel in general.

关键词： ponds Ferlo grazing herbaceous vegetation transect

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Oesophageal Mycosis: Epidemiological and Clinical Aspects and Risk Factors for Occurrence in the Digestive Endoscopy Unit of the Donka National Hospital, Conakry CHU

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Open Journal of Gastroenterology 2024年第2期14卷 31-40页

作者： diallo mamadou Sarifou Youssouf Oumarou Yaogo Abdoulatif diallo Kadiatou diallo Djéinabou Wann Thierno Amadou Bah mamadou Lamine Yaya Diakhaby mamadou Kanté mamadou aliou Sylla Djibril Hepato-Gastroenterology Department of the Donka National Hospital Conakry Guinea Faculty of Health Sciences and Techniques Gamal Abdel Nasser University Conakry Guinea Centre Hospitalier Universitaire Communautaire de Bangui Internal Medicine Department Bangui République Centrafricaine Hepato-Gastroenterology Department Angré University Hospital Abidjan Ivory Coast Department of Internal Medicine Donka National Hospital Conakry Guinea

Introduction: Oesophageal mycosis (OM) is one of the most common opportunistic infections in patients infected with HIV (Human Immunodeficiency Virus). However, this condition is increasingly observed in immunocompetent subjects. The aim of this study was to determine the endoscopic prevalence, clinical characteristics and risk factors for the occurrence of oesophageal mycosis in our department. Patients and Method: This was a prospective cross-sectional study of all patients who underwent oeso-gastroduodenal fibroscopy during the period from 1st January to 31st December 2022, i.e. one year, at the digestive endoscopy unit of the hepato-gastroenterology department of the Donka CHU national hospital in Conakry. All patients found to have oesophageal mycosis by FOGD were included. The endoscopy was performed using appropriate equipment: A Fujinon 4400 video endoscopy column;Three Fujinon EG 590 video gastroscopes;A hoover;Data were collected using a pre-established survey form and analysed using Epi info software version 6.0.4;Pearson’s Chi2 test as a test of independence and the exact 5% threshold ficher test. Results: Out of 1343 upper gastrointestinal endoscopies performed, 107 cases of oesophageal mycosis were found, representing a prevalence of 7.96%. The mean age was 40 years, with a male predominance of 55.42%. The sex ratio M/F was 1.24. The 45 and over age group was the most affected, with a prevalence of 40.43%, followed by the [35 - 45] age group, with a prevalence of 22.43%. Clinical symptoms were dominated by epigastralgia in 74.76% of cases, followed by odynophagia in 37.38% of cases, nausea and vomiting in 28.03% of cases, and pyrosis in 26.16% of cases. Oesophageal mycosis without oesophagitis was the most common endoscopic finding in 70% of cases. The main associated endoscopic lesions were erythemato-erosive and congestive gastropathy in 28.03% of cases, peptic oesophagitis (9.34%) and gastric ulcer (5.60%). The main risk factor

关键词： Endoscopy CHU Conakry Risk Factors Immunosuppression Oesophageal Mycosis

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Evaluation of the “Helicobacter pylori” Eradication Rate by Bismuth Quadritherapy or Concomitant Quadritherapy in Black Africans

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Open Journal of Gastroenterology 2024年第3期14卷 69-79页

作者： diallo mamadou Sarifou Youssouf Oumarou Yaogo Abdoulatif diallo Kadiatou diallo Djenabou Wann Thierno Amadou Bah mamadou Lamine Yaya diallo Ahmed Tidiane Diakhaby mamadou Kanté mamadou aliou Sylla Djibril Hepato-Gastroenterology Department of the Donka National Hospital CHU Conakry Guinea Faculty of Health Sciences and Techniques Gamal Abdel Nasser University Conakry Guinea Internal Medicine Department Centre Hospitalier Universitaire Communautaire de Bangui Bangui Central African Republic Hepato Gastroenterology Department Angré University Hospital Abidjan Ivory Coast Department of Internal Medicine Donka National Hospital CHU Conakry Guinea

Introduction: Gastric infection by “Helicobacter pylori” remains a topical issue due to the evolving scientific data concerning its pathophysiology, the diseases and pathologies concerned, which now extend beyond the gastric or digestive sphere, and the treatment methods faced with the development of antibiotic resistance. Diagnosis of infection involves two inseparable aspects: identification of the bacterium itself and identification of the endoscopic and histological lesions caused by the bacterium. Objective: To evaluate the rate of eradication of Helicobacter pylori infection by bismuth quadruple therapy and concomitant treatment. Patients and methods: This was a prospective, cross-sectional, analytical study of all outpatients in the hepato-gastroenterology department during the study period from 1 January 2022 to 30 November 2023. All patients had undergone oeso-gastroduodenal fibroscopy and the diagnosis was made by histological examination of the gastric biopsy. Results: Our 113 patients comprised 68 men and 46 women. The sex ratio was 1.48 in favour of men. The mean age of our patients was 40.28 years, with extremes of 13 and 80 years. The clinical signs that prompted oeso-gastroduodenal fibroscopy were as follows: epigastralgia (69.91%), dyspepsia (14.16%), vomiting (7.08%), gastro-oesophageal reflux (6.19%) and altered general condition with weight loss (2.65%). The endoscopic lesions were: gastropathy (antral, fundic and diffuse: antro-fundial) (69.02%), bulbar ulcer (6.19%), gastric ulcer (5.31%). Helicobacter pylori infection was associated with chronic gastritis in all our patients;it was mild in 50%, moderate in 41% and severe in 9%. The eradication rate of Helicobacter pylori according to the treatment protocol used was 92.30% for bismuth quadruple therapy and 94.12% for concomitant quadruple therapy. Conclusion: The eradication rate of Helicobacter pylori in our study was 92.30% and 94.12% respectively for bismuth quadritherapy and concomitant the

关键词： “Helicobacter pylori” Eradication Quadritherapy Antibiotics Conakry

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