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Prevalence and Risk Factors of Peripheral Artery Disease in a Group of Apparently Healthy Young Cameroonians: A Cross-Sectional Study

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World Journal of Cardiovascular Diseases 2018年第2期8卷 111-122页

作者： Félicité Kamdem Yacouba Njankouo Mapoure Ba Hamadou Fanny Souksouna Ahmadou musa Jingi Caroline Kenmegne Fernando Kemta Lekpa Jaff Fenkeu Kweban Gisèlei Mandy Jean Pierre Nda Mefo’o Henry Luma Marie Solange Doualla Internal Medicine Service Douala General Hospital Douala Cameroon Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon Chemical Pathology Laboratory Douala General Hospital Douala Cameroon

Background: The?burden of peripheral artery disease (PAD) is not well known among apparently healthy people in Africa. Aim: To determine the prevalence and associated risk factors of PAD in a group of blood donors seen at the Douala General Hospital—Cameroon. Methods: Between 1st November 2015 and 30th April 2016, we carried out a cross-sectional study. Participants were consenting adults of both sexes, aged ≥ 21 years who presented for blood donation, and were tested HIV negative. We collected socio-demographic data and their past history. We carried out a physical examination and measured their Ankle-Brachial Index (ABI). We defined PAD as an ABI Results: We recruited 103 participants, 55.4% males. The mean age was 33 ± 10 years. The mean ABI on left and right leg was 1.04 ± 0.1 and 1.02 ± 0.1respectively. ABI was higher in males than females both legs (p 0.05). PAD was seen in 11 (10.7%) participants. This was higher in females than males (3.6% versus 19.2%, p = 0.026). Among those with PAD, 8 (72.7%) were asymptomatic (Males: 100% versus Females: 66%, p = 0.9). After adjusting for age and gender, sedentary lifestyle (aOR: 7.14, [95% CI: 1.38 - 33.3], p = 0.019), and female gender (aOR: 6.2, [95% CI: 1.26 - 30.5], p = 0.025) were significantly associated with PAD. Conclusion: The prevalence of PAD was high in this group of HIV negative blood donors, most of whom were asymptomatic. This was associated with females, and a sedentary lifestyle.

关键词： Peripheral Artery Disease ABI Prevalence Risk Factors Douala

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河南特色美食包装分析与绿色通道

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丝网印刷 2022年第17期 52-54页

作者：赛姆萨王嘉宝郑州工商学院

从河南夏邑地域文化出发,分析特色美食桶子鸡的食品包装优势,利用传统工艺及文化元素的色彩、形象包装设计,为地方食品绿色通道的传播和发展做出贡献。

关键词：包装设计地方美食文化元素

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老年糖尿病病人应激性高血糖与胸腔镜下肺切除术后肺部并发症的关系

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实用老年医学 2022年第5期36卷 433-436页

作者：陈紫璇 Sara musa Abdalla Elamin 朱琳佳查天明许斯洋桂波张扬南京医科大学第一附属医院麻醉与围术期医学科江苏省南京市210029 江苏省省级机关医院麻醉科江苏省南京市210024

目的探讨老年糖尿病病人应激性高血糖(stress hyperglycemia,SH)与胸腔镜下肺切除术后肺部并发症(postoperative pulmonary complications,PPCs)的关系。方法回顾性选择2017年1月至2020年7月在我院行择期胸腔镜下肺切除术的老年糖尿病病... 详细信息

目的探讨老年糖尿病病人应激性高血糖(stress hyperglycemia,SH)与胸腔镜下肺切除术后肺部并发症(postoperative pulmonary complications,PPCs)的关系。方法回顾性选择2017年1月至2020年7月在我院行择期胸腔镜下肺切除术的老年糖尿病病人367例,收集病人一般资料、合并症、医师组别、术中液体出入量、手术时长及肌酐、Hb、白细胞、HbA1c、血糖水平等。采用应激性高血糖比率(stress hyperglycemia ratio,SHR)评估SH强度。采用多因素Logistic回归分析病人发生PPCs的危险因素。结果162例(44.1%)老年糖尿病病人发生PPCs(并发症组)。与无并发症组相比,并发症组病人入院时FPG、术日动脉FPG水平以及入院时SHR显著升高(P<0.05)。多因素Logistic回归分析显示,术日动脉FPG水平与入院时SHR是老年糖尿病病人胸腔镜下肺切除术后发生PPCs的独立危险因素。结论术日动脉FPG水平以及入院时SHR是老年糖尿病病人胸腔镜下肺切除术后发生PPCs的独立危险因素。

关键词：老年人糖尿病应激性高血糖胸腔镜下肺切除术肺部并发症

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The Advent of Wide Bandgap Green-Synthesized Copper Zinc Tin Sulfide Nanoparticles for Applications in Optical and Electronic Devices

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Journal of Materials Science and Chemical Engineering 2023年第3期11卷 22-33页

作者： Opeyemi S. Akanbi Haruna A. Usman Gbemi F. Abass Kehinde E. Oni Akinsanmi S. Ige Bola P. Odunaro Idowu J. Ojo Julius A. Oladejo Halimat O. Ajani Adnan musa Joshua Ajao Department of Pure and Applied Physics Ladoke Akintola University of Technology Ogbomosho Nigeria Department of Mechanical Engineering Jigawa State Polytechnic Dutse Nigeria Department of Materials Science and Engineering Hohai University Nanjing China Department of Mechanical Engineering Ekiti State University Ado Ekiti Nigeria Department of Materials Science and Engineering University of Colorado Boulder Boulder USA Department of Chemical Engineering Ladoke Akintola University of Technology Ogbomoso Nigeria Department of Mechanical Engineering Federal University of Technology Akure Nigeria Department of Biotechnology and Genetics Russian State Agrarian University Moscow Russia

Power-electronic devices are widely used in various applications, such as voltage and frequency control for transmitting and converting electric power. As these devices are becoming increasingly important, there is a need to reduce their losses and improve their performance to reduce electric power consumption. Current power semiconductor devices, such as inverters, are made of silicon (Si), but the performance of these Si power devices is reaching its limit due to physical properties and energy bandgap. To address this issue, recent developments in wide bandgap (WBG) semiconductor materials, such as silicon carbide (SiC) and gallium nitride (GaN), offer the potential for a new generation of power semiconductor devices that can perform significantly better than silicon-based devices. In this research, a green synthesized copper-zinc-tin-sulfide (CZTS) nanoparticle is proposed as a new WBG semiconductor material that could be used for optical and electronic devices. Its synthesis, consisting of the production methods and materials used, is discussed. The characterization is also discussed, and further research is recommended in the later sections to enable the continual advancement of this technology.

关键词： Wide Bandgap Semiconductor Semiconductor Electronic Device Power Device Optical Device CZTS

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Pediatric Non-Hodgkin Lymphoma: A Retrospective 7-Year Experience in Children &Adolescents with Non-Hodgkin Lymphoma Treated in King Fahad Medical City (KFMC)

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Journal of Cancer Therapy 2015年第4期6卷 299-314页

作者： Nahla Ali Mobark Suha A. Tashkandi Wafa Al Shakweer Khalid Al Saidi Suha A. Fataftah Mohammed M. Al Nemer Awatif Alanazi Mohammed Rayis Walid Ballourah Othman Mosleh Zaheer Ullah Fahad El Manjomi musa Al Harbi Department of Pediatric Hematology and Oncology Comprehensive Cancer Centre KFMC Riyadh Saudi Arabia Department of Cytogenetic and Molecular Cytogenetic Laboratory KFMC Riyadh Saudi Arabia Department of Anatomical Pathology KFMC Riyadh Saudi Arabia

Background: Non-Hodgkin’s lymphoma is an aggressive malignant disease in children and adolescents. Although it is the fourth most common malignancy in Saudi children as reported in Saudi cancer registry, less information is available about pediatric Non-Hodgkin lymphoma and its outcome in Saudi Arabia. Study Objectives: To provide demographic data, disease characteristics, treatment protocol, toxicity and outcome of treatment in children & adolescents with Non-Hodgkin’s lymphoma treated at KFMC. This study will form base line for future studies about pediatric Non-Hodgkin’s lymphoma in KFMC, which may help to improve outcome for children with cancer in Saudi Arabia. Study Patients and Method: We retrospectively analyzed 28 children and adolescents diagnosed to have Non-Hodgkin’s lymphoma at KFMC between December 2006 and December 2013, followed-up through June 2014. Results: Of the 28 patients, 10 (35.7%) girls and 18 (64.3%) boys, the male-to-female ratio was 1.8;1. The median age at time of diagnosis was 6.4 years old (range 2.0 to 13.0 years old). The majority of patients (64.3%) were aged between 5 and 12 years old. Burkitt’s lymphoma BL/BLL was the most common pathological subtype (60.7%), and DLBCL was the second most common subtype (21.4%). Abdominal and Retroperitoneal involvement was the most common primary site (78.6%) including the ileocaecal region. Most of the children presented with advanced Stage III and IV (75%), Cytogenetic study which screens specifically for the t (8;14) (q24;q32) a characteristic genetic feature of Burkitt’s Lymphoma was obtained from 21 patients, variant rearrangement was observed in 3/21 samples and complex chromosomes karyotype in addition to IGH/MYC rearrangement was observed in 2/21 samples. Those patients presented with very aggressive lymphoma and combined BM and CNS involvement. We use the French-American-British Mature B-Cell Lymphoma 96 Protocol (FAB LMB 96) for treatment fornewly diagnosed Mature B-Cell type NHL and hi

关键词： Non-Hodgkin Lymphoma Disease Patients Children and Adolescents

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T Lymphocyte Subpopulations in Normal Pregnancies and Those Complicated by Eclampsia in Kaduna State, Nigeria

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Open Journal of Immunology 2016年第3期6卷 93-100页

作者： J. M. Banda B. O. P. musa G. C. Onyemelukwe S. O. Shittu A. A. Babadoko A. G. Bakari A. I. Mamman A. Sarkin-Pawa Surajudeen A. Junaid Department of Chemical Pathology and Immunology Barau DikkoTeaching Hospital Kaduna State University Kaduna Nigeria Department of Medicine Immunology Unit Ahmadu Bello University Teaching Hospital Zaria Nigeria Department of Obstetrics and Gynaecology Ahmadu Bello University Zaria Nigeria Department of Haematology and Blood Transfusion Services Ahmadu Bello University Zaria Nigeria Department of Virology Federal College of Veterinary and Medical Laboratory Technology National Veterinary Research Institute Vom Nigeria

Background: Eclampsia, the occurrence of generalized convulsion(s) in association with signs of preeclampsia [PE] (hypertension and proteinuria) in pregnancy has remained a significant public threat in Nigeria, contributing to maternal and perinatal morbidity and mortality. This study was a comparative cross-sectional study conducted in some selected hospitals in Kaduna State, between April 2014 and November 2015. Subjects and Methods: Blood (3 mls) was collected into an ethylenediaminetetraaccetic acid (EDTA) vacutainer tube from third trimester women diagnosed with eclampsia (EC;n = 38) and healthy pregnant controls (PC;n = 38)—age and parity matched and healthy non-pregnant controls (NPC;n = 38)—age matched. T Cell subpopulations and Complete Blood Count levels were measured by Sysmex, Auto blood analyzer and flow cytometry respectively. Participants with smear positive malaria, seropositive for human immunodeficiency virus (HIV), any other clinical infection or refused consent were excluded from this study. Data obtained were analyzed using analysis of variance (ANOVA) and Post Hoc test. A p-value of less than 0.05 was considered to be significant. Result: Overall, results showed a depressed (mean ± Standard deviation (SD): CD3+ T cell (65.6 ± 15.5%;1225.5 ± 401.5 cell/μL), CD4+ T cell (36.1 ± 8.7%;657.1 ± 189.9 cell/μL), and a low CD4/CD8 value in women with EC (1.4 ± 0.5) and PC (1.5 ± 0.3) compared to NPC (1.9 ± 0.6) control (p < 05), while the total white blood cell count, and differential percentage neutrophils count were noted to be elevated among the eclamptic women (9.8 ± 4.9 × 109/L;70.3 ± 12.0%) compared to PC (6.9 ± 3.6 × 109/L;64.6 ± 8.1%) and NPC (5.6 ± 2.0 × 109/L;48.5 ± 10.7%), p < 0.05. Conclusion: Eclampsia was associated with significantly depressed CD3+ and CD4+ T lymphocyte, and increased percentage differential neutrophil counts.

关键词： Eclampsia Preeclampsia Pregnancy T Cell Subpopulations

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Effect of Preoperative Dutasteride on Bleeding Related to Transurethral Resection of Prostate in Patients with Benign Prostatic Hyperplasia

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Journal of Biosciences and Medicines 2019年第5期7卷 157-169页

作者： Md. Mostafiger Rahman Fatema-Tuj Johura Md. Amanur Rasul Abul Kalam Mohammed musa Bhuiyan Mohammad Ibrahim Ali Md. Sazzad Hossain Md. Kamrul Islam A. K. M. Shahidur Rahman Fahad Al Shatil Ashrafee Department of Urology Prime Medical College Rangpur Bangladesh Department of Pharmacology Prime Medical College Rangpur Bangladesh Department of Urology Dhaka Medical College Dhaka Bangladesh Department of Urology Dhaka Medical College Hospital (DMCH) Dhaka Bangladesh Apollo Hospital Ltd. Ghulsan Dhaka Bangladesh Zilla-Sadar Hospital Hobigong Bangladesh Department of Nephrology Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka Bangladesh

Background: Transurethral resection of prostate (TURP) is the gold standard in the surgical treatment of symptomatic benign prostatic hyperplasia (BPH). Blood loss is one of the most common complications of TURP. Objective: To evaluate the effect of preoperative dutasteride on bleeding related to TURP in patients with BPH. Materials and Methods: This prospective interventional study was done in the department of urology, Dhaka Medical College Hospital, Dhaka, Bangladesh during the period of July 2016 to June 2017. A total of 70 cases of BPH planned for TURP were included in this study according to the statistical calculation. Patients were randomly allocated to control group A (TURP without dutasteride) and dutasteride group B (TURP with dutasteride). Each group consisted of 35 patients. Group B patients were treated with dutasteride 0.5 mg/day for 4 weeks before TURP. The main outcome of blood loss was evaluated in terms of reduction in serum hemoglobin (Hb) and hematocrit (Hct) levels, which were measured before and 24 hours after surgery. Data were analyzed and compared by statistical tests. Results: Comparison of outcome between groups shows that there was a significant difference in term of pre-post operative change of hemoglobin and hematocrit levels in the control group A compared to the dutasteride group B (Hb = 2.96 ± 0.80 gm/dl vs. 1.81 ± 0.71 gm/dl, respectively, p = 0.001;Hct = 11.20% ± 2.12% vs. 6.07% ± 2.02%, respectively, p = 0.02). A significant lower mean blood loss was observed in the dutasteride group compared to the control group. Conclusion: Preoperative dutasteride therapy reduces blood loss related to TURP in patients with BPH. This therapy can be practiced to reduce surgical bleeding associated with TURP.

关键词： Benign Prostatic Hyperplasia (BPH) Dutasteride Transurethral Resection of Prostate (TURP)

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科尔沁沙地不同土地利用类型土壤入渗特征比较研究

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水土保持通报 2022年第4期42卷 90-98页

作者：印家旺阿拉木萨苏宇航蒋绍妍中国科学院沈阳应用生态研究所辽宁沈阳110016 中国科学院大学北京100049 辽宁生态工程职业学院辽宁沈阳110101

[目的]探究科尔沁沙地不同土地利用类型土壤入渗特征的差异,为干旱—半干旱区包气带水分与物质运移等相关研究提供科学参考。[方法]利用双环入渗仪野外实测和室内土壤物理性质分析相结合的方法,研究了科尔沁沙地具有代表性的8种土地利... 详细信息

[目的]探究科尔沁沙地不同土地利用类型土壤入渗特征的差异,为干旱—半干旱区包气带水分与物质运移等相关研究提供科学参考。[方法]利用双环入渗仪野外实测和室内土壤物理性质分析相结合的方法,研究了科尔沁沙地具有代表性的8种土地利用类型(樟子松林地、小叶锦鸡儿林地、白柠条林地、撂荒草地、草甸草地、疏林草地、玉米农田以及裸沙地)土壤入渗特征及其影响因素,同时采用Kastiakov模型、Horton模型、Philip模型和G-P综合模型对其水分入渗过程进行了拟合,比较其拟合优度。[结果](1)不同土地利用类型土壤入渗特征存在显著差异,初始入渗率变化范围为1.595~12.020 mm/min,由大到小依次为:裸沙地>白柠条林地>玉米农田>樟子松林地>小叶锦鸡儿林地>草甸草地>撂荒草地>疏林草地;15 min入渗率变化范围为0.617~3.690 mm/min,由大到小依次为:裸沙地>白柠条林地>樟子松林地>小叶锦鸡儿林地>玉米农田>撂荒草地>草甸草地>疏林草地;土壤稳定入渗率变化范围为0.576~3.495 mm/min,由大到小依次为:裸沙地>白柠条林地>玉米农田>小叶锦鸡儿林地>樟子松林地>撂荒草地>草甸草地>疏林草地;(2)不同土地利用类型入渗率与土壤容重、细砂含量呈极显著负相关,与中砂含量呈极显著正相关;稳定入渗率与非毛管孔隙度呈显著正相关;(3)各模型对科尔沁沙地土壤入渗过程的拟合优度依次为:Horton模型>G-P综合模型>Kastiakov模型>Philip模型,其中Horton模型决定系数最高且相对误差最小,能更准确地模拟科尔沁沙地土壤入渗的实际情况。[结论]科尔沁沙地不同土地利用类型土壤入渗特征存在差异,土壤性质对其入渗特征影响显著;Horton模型在科尔沁沙地拟合度较高,可应用此模型来估算水分入渗过程。

关键词：科尔沁沙地不同土地利用类型水分入渗入渗模型模型拟合

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Epidemiology, Clinical Presentations and In-Hospital Mortality of Venous Thromboembolism at the Douala General Hospital: A Cross-Sectional Study in Cameroon, Sub-Saharan Africa

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World Journal of Cardiovascular Diseases 2018年第2期8卷 123-132页

作者： Félicité Kamdem Bertrand Hugo Mbatchou Ngahane Ba Hamadou Agborbessong Mongyui Marie Solange Doualla Ahmadou musa Jingi Anastase Dzudie Yves Monkam Henri Ngote Sidick Mouliom Caroline Kenmegne Jaff Kweban Fenkeu Romuald Hentchoya Albert Kana Aminata Coulibaly Henry Luma Internal Medicine Service Douala General Hospital Douala Cameroon Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon Intensive Care Unit Douala General Hospital Douala Cameroon

Background: Venous thromboembolism (VTE) is a major cause of morbidity and mortality worldwide. It is also the most common complication in hospitalized patients. Aims:?To?study the in-hospital prevalence of VTE, describe the socio-demographic characteristics of patients, determine the frequency of risk factors, describe the clinical presentations, and determine the short term outcome of VTE in hospitalized patients in a low-income tertiary hospital setting.?Methods: We carried out a cross-sectional descriptive retrospective study over a period of 6 years and 4 months (January 2008 to April 2014) in the Douala General Hospital—Cameroon. Patients were cases of confirmed venous thromboembolic disease (VTE).?Results: A total of 78 case files were retained for this study, giving an in-hospital prevalence of 4.4 per 1000 admissions. There were 42 (53.8%) males and 36 (46.1%) females. Their ages ranged from 18 to 89 years (median: 53 years, [IQR: 40?-?61]).?There were 37 (47.4%) cases of Deep Vein Thrombosis (DVT), 31 (39.7%) cases of Pulmonary Embolism (PE), and 10 (12.8%) cases of PE associated with DVT (12.8%). The main risk factors were obesity (44.9%), hypertension (37.2%), immobility (20.5%), and long-haul travel (17.9%). The most frequent clinical presentations in PE were dyspnea (80.5%) and chest pain (65.9%). There were 8 (10%) in-hospital deaths. Conclusion: About twelve cases of VTE are seen yearly at the DGH, with an in-hospital mortality of ten percent. Obesity and hypertension were the main risk factors, with dyspnea and chest pain being the main clinical manifestations in PE, and lower limb swelling the main symptom in DVT.

关键词： Epidemiology Clinical Presentation Mortality Venous Thromboembolism Cameroon Sub-Saharan Africa

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苏丹Nuba山脉北缘Jebel Dumbier碱性-碳酸岩杂岩体的岩石成因与地质意义

苏丹Nuba山脉北缘Jebel Dumbier碱性-碳酸岩杂岩体的岩石成因与地...

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中国矿物岩石地球化学学会第九次全国会员代表大会暨第16届学术年会

作者：王连训马昌前 Mushaal A.S.musa Mohammmed I.M.Abdallsamed 中国地质大学地球科学学院苏丹科尔多凡大学理学院地质系

非造山的环状碱性杂岩是苏丹共和国境内四大地质单元之一。位于Nuba山脉北侧的Jebel Dumbier碱性杂岩体是其境内最早被识别出含火成碳酸岩的杂岩体(El Sharkawi&El Raba’a,1973)。Jebel Dum bier岩体呈北东向延伸,出露面积约8 km,主体... 详细信息

非造山的环状碱性杂岩是苏丹共和国境内四大地质单元之一。位于Nuba山脉北侧的Jebel Dumbier碱性杂岩体是其境内最早被识别出含火成碳酸岩的杂岩体(El Sharkawi&El Raba’a,1973)。Jebel Dum bier岩体呈北东向延伸,出露面积约8 km,主体由2种岩石类型组成,即霓霞正长岩和碱长正长岩。在岩体东北部分布着若干条火成碳酸岩脉。与其伴生的还有大量北东走向的萤石

关键词：正长岩杂岩体矿物结构暗色微粒包体地球化学特征

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