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Obstetric Fistula: Epidemiological, Social and Therapeutic Aspects: Prospective Study of 196 Patients Admitted to the ZINDER Mother and Child Health Centre (CSME)

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Open Journal of Urology 2024年第2期14卷 95-103页

作者： maazou halidou Ousmane Manzo Zalika Lankoande Abdoulaye Kodo Harissou Adamou Oumarou Habou Abdoulaye Idrissa Tassiou Ibrahim Nafiou Idi Soumana Amadou Department of Surgery University André Salifou Zinder Niger National Reference Center for Genital Fistulas Care Niamey Niger

Introduction: Obstetric fistula (OF) is an abnormal communication between the genital and urinary tracts and/or associated with a recto-vaginal communication resulting from prolonged dystocic delivery. It is a frequent pathology in underdeveloped countries. In Zinder no study has been carried out on obstetric fistula. The aim of this study was to evaluate the epidemiological, social impact and therapeutic aspects of obstetric fistula at the CSME of Zinder. Patient and Method: This was a descriptive cross-sectional study of obstetric fistula care at CSME during the period of (January 2018 to June 2020). Results: A total of 196 cases were collected over 30 months. This represents an annual incidence of 78.4 fistulas. The median age of the patients was 18.63 years, and more than 65% were over 20 years old. One hundred and ninety-one patients (97.45%) did not attend school, and 56.12% (n = 110) lived in polygamous households. One hundred and fifty-one women (n = 151), 77.04% had full assistance from their husband during the first four (4) months of the pathology. Twenty-four (12.24%) had been notified of repudiation. Obstetrical risk of dystocia was found in 39.79% (n = 78) of the patients, of whom 24.49% (n = 48) had a focused antenatal consultation (CPNR). The labour lasted more than 24 hours in 100%. The majority of women are multiparous and 60% had at least 2 pregnancies. vesicovaginal fistula is the main pathological type with 86.23%. Fistulas were closed in 83.16% and 68.87% exited without urine loss. Conclusion: Obstetric fistula is a devastating disease affecting girls and young women in Niger, as in other countries in Africa and Asia. It is a major concern worldwide and is a social tragedy because it is disabling and depressing.

关键词： Obstetric Fistula Epidemiology CSME Zinder

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Adult Urological Cancers at Zinder National Hospital

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Open Journal of Urology 2024年第5期14卷 267-276页

作者： halidou maazou Manzo M. S. Ousmane Chaibou Soumana Abdoulaye Kodo Idrissa Seriba Abdoulrazak R. H. Zakou Soumana Amadou Department of Urology University of Zinder Zinder Niger Department of Urologie University of Niamey Niamey Niger Department of Mé dicale Oncology National H&#244pital of Zinder Zinder Niger Department of Anatomy Pathology Universit&#233 of Zinder Zinder Niger

The aim of this study was to present the epidemiological, clinical and therapeutic aspects of adult urological cancers in the department of urology at Zinder National Hospital. Patients and Methods: This was a cross-sectional study of adult primary urologic cancers during the period of January 2019 to December 2023. Data were obtained from the record of patients admitted to urology, and the medical oncology department. The parameters studied were;frequency, age, sex, urogenital distribution, anatomopathological type, and therapeutic aspects. Data were recorded on Excel 2013 and analyzed with Epi-info version 7.2.5. Results: Epidemiology: About 289 cancers were diagnosed through 6017 consultations during the period, corresponding to 4.80% of urological pathologies: prostate cancer (n = 221;76.47%), bladder cancer (n = 46;15.92%), kidney cancer (n = 13;04.5%), testis cancer (n = 09;03.11%). Median age of patients was 50.42 years. Prostate cancer: was Adenocarcinoma in 100% (n = 221) with Gleason scores > 7 (77.83%) and prostatique specific antigen (PSA) > 20 ng/ml in 90.04%. Extension evaluation 134 cases (60.63%). Treatment was chirurgical castration in (62.44%) and resistance to castration appeared between 8 and 11 months. Hospital mortality for prostate cancer was 16.29%. Bladder cancer was found in 46 cases with Sex ratio 7/1. Cystoscopy was performed for all. Histology revealed squamous cell carcinoma (n = 41;89.13%), and (n = 5;10.87%) urothelial. Endoscopic resection performed (n = 14;30.43%). Kidney cancers were 13 cases (10 men, 03 women). Nephrectomy was performed in (n = 8;61.54%) cases and Histology revealed renal cell cancer in 76.92%. Testicular cancers were diag 09 cases. History of cryptorchidism was found in 4 cases, 4-year infertility in 3 cases. Orchidectomy was done in all cases. Chemotherapy in 3 cases. Conclusion: urological cancers are frequent, dominated by prostate cancer. The endemicity of bilharziasis has increased squamous cell carcinoma. T

关键词： Urologic Cancers Epidemiology Histology Zinder

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鼻内镜下综合治疗慢性泪囊炎

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北方药学 2014年第10期11卷 76-78页

作者：石尧机庞永明李辉赵杰 S.ALHOUDA CHITOU ALLASSANE maazou halidou ISSA ANGO 中华人民共和国援非尼日尔医疗队广西北海市人民医院耳鼻咽喉科北海536000 非洲尼日尔共和国马拉迪医院

目的:观察鼻内镜下三种不同方法治疗慢性泪囊炎所需的手术时间、出血量及效果。方法:98例慢性泪囊炎分为三组,A组28例(31眼)在鼻内镜下应用膨胀海绵行鼻腔泪囊吻合造口术(置管),B组33例(35眼)鼻内镜下应用银夹、膨胀海绵行鼻腔泪囊造口... 详细信息

目的:观察鼻内镜下三种不同方法治疗慢性泪囊炎所需的手术时间、出血量及效果。方法:98例慢性泪囊炎分为三组,A组28例(31眼)在鼻内镜下应用膨胀海绵行鼻腔泪囊吻合造口术(置管),B组33例(35眼)鼻内镜下应用银夹、膨胀海绵行鼻腔泪囊造口术(不置管),C组37例(40眼)在鼻内镜下联合应用眼光导纤维、电刀、丝裂霉素C(mitomycin C,MMC)、耳脑胶及明胶海绵行鼻腔泪囊造口术(不置管),三组所需的手术时间、出血量及疗效进行对比分析。结果:平均手术时间、平均出血量及有效率(6个月、12个月)分别是A组、B组、C组。结论:鼻内镜下联合应用内光导纤维引导,电刀、丝裂霉素c和耳脑胶及明胶海绵行鼻腔泪囊造口术,能减少手术时间,出血少,疗效好、复发率低,是一种操作简单、安全可靠、经济、快速、实用、疗效好的方法。

关键词：鼻内窥镜慢性泪囊炎泪囊鼻腔造口术光导纤维耳脑胶

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西部非洲巨大甲状腺肿的诊治研究

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中外医学研究 2012年第14期10卷 13-16页

作者：石尧机赵杰叶小武 S.ALHOUDA CHITOU ALLASSANE maazou halidou ISSA ANGO 彭定军姚立平吴海峰肖静中华人民共和国援非尼日尔医疗队非洲尼日尔共和国马拉迪医院北海市人民医院广西北海536000

目的:探讨简陋条件下西非巨大甲状腺肿诊断、手术麻醉、解剖方法、手术技巧,减少出血、术后颈部不适和瘢痕。预防和减少喉上神经、喉返神经和甲状旁腺的损伤及术后呼吸困难。方法:回顾性分析2008年11月-2011年11月75例巨大甲状腺肿手术... 详细信息

目的:探讨简陋条件下西非巨大甲状腺肿诊断、手术麻醉、解剖方法、手术技巧,减少出血、术后颈部不适和瘢痕。预防和减少喉上神经、喉返神经和甲状旁腺的损伤及术后呼吸困难。方法:回顾性分析2008年11月-2011年11月75例巨大甲状腺肿手术切除患者的临床资料。结果:3年来共治疗巨大甲状腺肿75例,74例治愈,死亡1例。住院5～14d,切口Ⅰ/甲71例,Ⅰ/乙4例,无一例出现术后出血需再手术。抽搐、甲亢危象4例,呼吸困难4例,声嘶4例,呛咳2例。3例发生术后暂时性声嘶,术后1～3个月恢复正常。结论:西非巨大甲状腺肿物采用手术治疗可行。详细询问病史、细致的体格检查及常规的超声检查对巨大甲状腺肿物的性质鉴别仍是简单可行的诊断措施。全麻加气管插管、不断颈前肌群、先摘除瘤体、囊内切除腺体、靠下极结扎甲状腺上动脉、不解剖喉返神经、囊内结扎甲状腺下血管等方法在西非是治疗巨大甲状腺肿较好的方式,具有损伤率低、并发症少、出血少、手术时间短及住院天数少等优点。

关键词：巨大甲状腺肿手术治疗

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Co^2＋含量对CoAl-LDHs焙烧产物结构、组成及其生长碳纳米管的影响

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无机化学学报 2008年第6期24卷 886-891页

作者： halidou I.Hima 项顼张璐李峰 David G.Evans 北京化工大学化工资源有效利用国家重点实验室北京100029

采用成核晶化隔离法将Co2+引入层状双金属氢氧化物(LDHs),得到了含不同Co2+/Al3+物质的量的比为1∶1,2∶1,3∶1的二元钴铝碳酸根型LDHs(CoAl-LDHs)。通过X射线衍射(XRD)、透射电镜(TEM)、扫描电镜-能量散射谱(SEM-EDS)、拉曼光谱(Raman... 详细信息

采用成核晶化隔离法将Co2+引入层状双金属氢氧化物(LDHs),得到了含不同Co2+/Al3+物质的量的比为1∶1,2∶1,3∶1的二元钴铝碳酸根型LDHs(CoAl-LDHs)。通过X射线衍射(XRD)、透射电镜(TEM)、扫描电镜-能量散射谱(SEM-EDS)、拉曼光谱(Raman)、程序升温还原(TPR)及X射线光电子能谱(XPS)等方法对CoAl-LDHs焙烧产物的结构、组成及其化学气相沉积(CCVD)催化生长多壁碳纳米管(CNTs)进行了研究。结果表明:CoAl-LDHs前体中钴的含量可以明显改变焙烧产物的组成分布和还原性能,并最终影响CNTs的生长,其中以nCo2+/nAl3+比为2/1的LDHs作为催化剂前体可以得到管径均匀和石墨化程度高的CNTs,这与还原得到的纳米活性Co颗粒均匀分散有关。

关键词：层状双金属氢氧化物碳纳米管催化钴

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The Social Responsibility and Practice of An Industrial Mining Enterprise——A Case Study of AREVA in Niger

The Social Responsibility and Practice of An Industrial Mini...

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作者： halidou Doudou Ali 华中师范大学

学位级别：硕士

According to the propounded of the evolutionist theory of the firm,it is their"know-how" and their "organizational skills" that differentiate *** identity of the company is reflected in the image of the company that is perceived by its environment and that the company can be influenced by its actions of communication and public *** company is expanding the sphere of two parties to whom it must report its partners to the whole society:it is said that the company becomes a *** citizenship translates into interventions in different socio-cultural areas and talk about Corporate Social ***,this essentially theoretical part has been devoted to the need for Corporate Social Responsibility and its implementation within business management *** research first focused on the genesis and evolution of the concept of corporate social *** achieve this,the researcher first identified the issues,risks and benefits of implementing of social *** first Part of this dissertation has reviewed most of the literature about corporate social *** constituted the part that provided theoretical clarifications on the theme of Corporate Social Responsibility（CSR）.The research presented its genesis,its evolution,a consensual definition,its approach by the stakeholders,its instruments of implementation and control,its fields of application,its stakes and risks,and its advantages in a context of *** researcher has also developed the involvement and role of international bodies in anchoring socially responsible approaches within the daily practices and activities of *** second part of this thesis is mainly focused on the empirical study the researcher conducted of the AREVA group in the form of questionnaires,which traces the path that followed throughout our research,from the constitution of our sample to the results,which fully describes the approach taken in the collection,anal

关键词：工业矿业企业社会责任竞争优势战略目标

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Adoption of Solar Pumping Systems by Vegetable Farmers in Niayes Agro-Ecological Zone of Senegal: Adoption as a Sequential Process

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Journal of Power and Energy Engineering 2024年第9期12卷 19-36页

作者： Abou Abdoulaye Sow Papa Yona Boubacar Mane Mamma Sawaneh halidou Kafando Department of Agriculture and Environment Science University of The Gambia Kanifing The Gambia Department of Economic and Management Sciences Gaston Berger University Saint-Louis Senegal

This article examines the determinants of the adoption of solar pumping systems (PV) by vegetable farmers in the Niayes area of Senegal. To measure the determinants, we used a sequential logit model to translate the adoption process from becoming aware of solar pumping systems to testing them, i.e. using them at least once, and then continuing to use them over time. The results show that the main variables affecting awareness of the use of solar pumping systems (PV) are age, marital status, experience, access to credit, the farmer’s knowledge of climate change, the farmer’s origin in the Thiès region and length of time in the Niayes area. The first use of PVs is influenced by factors such as the size of the plot, the distance of the plot from the main road or from the market. Finally, the decision to adopt or continue use is influenced by gender, experience, household size and access to credit. Surprisingly, access to credit does not affect the first use of solar pumping systems, but plays a key role in their continued use.

关键词： Solar Pumping Systems Adoption Vegetable Cultivation Niayes (Senegal)

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Physico-Chemical and Isotopic (¹⁸O, ²H and ³H) Characterization of the Upper Dallol Maouri Watershed (Niger)

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Open Journal of Geology 2022年第8期12卷 613-639页

作者： Abdoul Hayou Habi Hamani Mahaman Moustapha Adamou Issoufou Sandao halidou Alassane Hado Faculty of Agronomy Abdou Moumouny University Niamey Niger Faculty of Science and Technics Abdou Moumouny University Niamey Niger

Dallol Maouri is one of the fossil valleys on the left bank of the Niger River. Its watershed drains water from valleys in the Tahoua and Dosso regions of Niger. The watercourse is not continuous and has areas of surface water accumulation (ponds) and areas of spreading and infiltration. The surface water potential in this area is limited, with most of the ponds having a temporary to the semi-permanent regime. Groundwater resources are, therefore, the main sources of withdrawal for human food, agriculture, and livestock. Climate change through the variation in rainfall, the often-anarchic multiplication of catchment works (wells and boreholes) and agricultural activities can have impacts on the qualitative and quantitative evolution of surface and groundwater. The objective of this study is to characterize the surface and underground water of the upper dallol Maouri through the physicochemical parameters of the water and the use of the isotopes of the water molecule (18O, 2H and 3H). A total of 53 water samples were analyzed at the laboratory of the Regional Directorate of Hydraulics and Sanitation of Tillabéri (Niger) for chemical parameters and 73 samples were analyzed at the Radio Analysis and Environment Laboratory (LRAE) of the National School of Engineers of Sfax (ENIS) of Tunis for isotopy. The water of the ponds is characterized by three types of facies: calcium bicarbonate, calcium and magnesium bicarbonate, and calcium nitrate chloride. The groundwater is 75% of the chloride-nitrate-calcium facies and the CT3/CT2 groundwater is calcium and magnesium bicarbonate. The results of the stable isotopes made it possible to highlight the presence of four distinct water groups: ponds characterized by highly evaporated water, the sheets of Continental Terminal 1 and 2 (CT1 and CT2) with an isotopic cachet of old water, the water table consisting of a two-layer system in the southwestern part of the area. The water is not very mineral

关键词： Dallol Maouri Physicochemistry Isotopy Ponds Groundwater Continental Terminal

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Covariant Prolongation Structure, Conservation Laws and Soliton Solutions of the Gross-Pitaevskii Equation in the Bose-Einstein Condensate

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Journal of Applied Mathematics and Physics 2017年第7期5卷 1411-1423页

作者： Souleymanou Abbagari Hamadou halidou Thomas B. Bouetou Timoleon C. Kofane Department of Basic Science Law and Humanities Institute of Mines and Petroleum Industries University of Maroua Maroua Cameroon Laboratory of Mechanics Materials and Structures Department of physics University of Yaounde I Yaounde Cameroon National Advanced School of Engineering University of Yaounde I Yaounde Cameroon Centre d’Excellence en Technologies de l’Information et de la Communication (CETIC) University of Yaounde I Yaounde Cameroon

In this paper, we investigate the Gross-Pitaevskii (GP) equation which describes the propagation of an electron plasma wave packet with a large wavelength and small amplitude in a medium with a parabolic density and constant interactional damping by the Covariant Prolongation Structure Theory. As a result, we obtain general forms of Lax-Pair representations. In addition, some hidden structural symmetries that govern the dynamics of the GP equation such as SL(2,R), SL(2,C), Virasoro algebra, SU(1,1) and SU(2) are unearthed. Using the Riccati form of the linear eigenvalue problem, infinite number of conservation laws of the GP equation is explicitly constructed and the exact analytical soliton solutions are obtained by employing the simple and straightforward Hirota’s bilinear method.

关键词： Gross-Pitaevskii Equation Covariant Prolongation Structure Theory Hidden Structural Symmetries Hirota’s Bilinear Method

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Hydrodynamic Characterization of the Water Table of the Upper Dallol Maouri Basin (Niger)

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Open Journal of Modern Hydrology 2023年第2期13卷 77-93页

作者： Habi Hamani Abdoul-Hayou Adamou Mahaman Moustapha Sandao Issoufou Alassane Hado halidou Faculty of Agronomy Abdou Moumouni University of Niamey Niamey Niger Faculty of Sciences and Technics Abdou Moumouni University of Niamey Niamey Niger

The Dallol Maouri is a valley of an ancient tributary of the Niger River. The groundwater in this area of the upper Dallol Maouri is little known because of the weakness of the data. The purpose of this study is to make a hydrodynamic characterization of the water table of the upper dallol Maouri by piezometric approach. A piezometric monitoring network made up of 65 points (54 wells and 11 piezometers) was set up. Six (6) piezometric measurement campaigns were carried out from June 2018 to June 2021. The piezometric survey is carried out once every six months: in January and June corresponding respectively to the high and low water period. The results show that the water table is multi-layered in places with a combination of alluvial and Continental Terminal 3 (CT3) aquifers, or perched aquifers and inferoflux aquifers around permanent ponds. The flow direction of the Continental Terminal 3 (CT3) aquifer is mainly North-East/South-West. The piezometric levels are around 219 m (in the South-West part) and 281 m (in the North-East part). The hydraulic gradient varies from 0.018‰ to 1.83‰. The recharge zones are located in the outcrop zone of the aquifer and in the valleys. A lack of recharge is observed on the plateaus despite the presence of numerous permanent ponds. The recharge coefficient in 2020 is estimated at 25% of the total rainfall recorded.

关键词： Aquifer Piezometry Pond Recharge Isotopic

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