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Search Results: 1 - 10 of 4241 matches for " Emmanuel Barima Agyemang Prempeh "
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Stress among Nursing and Midwifery Students Offering a Top-Up Module in the University of Health and Allied Health Sciences, Ho  [PDF]
Francis Wadga-Mieza Yankey, Dominic Agyei Dankwah, Lily Adu-Aboagye, Anthony Asempah, Emmanuel Barima Agyemang Prempeh, Samuel Forkuo, Gifty Aba Doe
Open Access Library Journal (OALib Journal) , 2017, DOI: 10.4236/oalib.1103318
Abstract:
Previous studies have posited that students studying in medical-related fields are particularly susceptible to high levels of academic stress with implication for both psychological and physical health. This study set in the environment of a newly established public university in Ghana, seeks to evaluate the levels and component stress among students offering nursing and midwifery in the top-up module in the University of Health and Allied Science, Ho. In descriptive study using a modified version of the pre-validated College Undergraduate Stress Scale, 315 second and third year Midwifery 82 (26.03%), Nursing 155 (49.21%) and Public Health Nursing 78 (24.76%) students obtaining bachelors degree in top-up module were surveyed for this study. Among the total study population, 109 (34.60%) experienced high stress level, 106 (33.65%) experienced moderate stress level and 100 (31.75%) experienced less stress level. Stress levels were higher among the female participants. Participants with children under 13 years and female participants with breastfeeding babies showed higher levels of stress. A majority of students in the sandwich top-up bachelor degree programme experience moderate to high stress mostly due to curriculum overload. Therefore, innovative means should be sought to lessen the level of stress among this category of students. For example, pre-recorded video lectures could be incorporated into the module to lessen the overload in school work.
Alcohol Consumption Is Associated with Hypogonadism and Decreased Sexual Function in Ghanaian Diabetics  [PDF]
Huseini Alidu, William K. B. A. Owiredu, Nafiu Amidu, Christian Kofi Gyasi-Sarpong, Peter Paul Mwinsanga Dapare, Ahmed Tijani Bawah, Arnold Togiwe Luuse, Emmanuel Barima Agyemang Prempeh
Advances in Sexual Medicine (ASM) , 2017, DOI: 10.4236/asm.2017.73009
Abstract: Introduction: Alcohol usage has largely been seen as a risk factor for the development of sexual dysfunction as well as erectile dysfunction. Others have reported that prolonged alcohol usage and abuse is compatible with normal sexual function in the absence of endocrinological problems as well as hepatic dysfunction. About seventy five (75) percent of alcoholics have various sexual difficulties with improvements in sexual functions occurring after treatment of alcoholism and psychosexual therapy. It is evident from the various reports over the years that mild and occasional alcohol usage is not as much implicated in the causation of SD and its other forms as heavy, addictive or dependent alcohol usage. Alcohol usage has also long been linked to hypogonadism, testicular atrophy as well as leydig cell toxicity. Alcohol induced hypogonadism has been reported to resolve after withdrawal of alcohol use. Since both diabetes and alcohol usage have been strongly associated with both hypogonadism and sexual dysfunction, it is logical to expect that diabetics who frequently consume alcohol will have a worsened hypogonadal state and sexual function. This research therefore seeks to provide evidence of an association between alcohol consumption in diabetics and a worsened sexual dysfunction in comparison to diabetics who did not consume alcohol. Methods: Type II diabetic patients attending the Diabetic Clinic at the Maamobi General Hospital between the periods of January 2010 and March 2011 were consecutively recruited for this study. Diabetics with other known endocrinological diseases and physical disabilities were excluded from the study. Sexual function was assessed using the GRISS-M. Early morning fasting samples were used in lipid and testosterone profile assays. Results: Study participants who consumed alcohol recorded higher levels of triglycerides and LDL-Cholesterol. They also recorded significantly lower levels of bioavailable testosterone. Furthermore they also recorded higher scores for impotence, premature ejaculation, non-sensuality and infrequency but lower scores for avoidance and were about six times more likely to be infrequent in their sexual activity in comparison with those who did not consume alcohol. Conclusion: Alcohol consumption among diabetic males is associated with hypogonadism and has an impact on several domains of male sexual function. Diabetic males should be advised to avoid alcohol abuse in order to facilitate the management of diabetes associated sexual
Performance Evaluation and Measurements of 3G Mobile Communication Networks: A Case Study  [PDF]
Kwame Agyeman-Prempeh Agyekum, Eric T. Tchao, Emmanuel Affum
World Journal of Engineering and Technology (WJET) , 2015, DOI: 10.4236/wjet.2015.34018
Abstract: Communication networks have undergone rapid developments in the past few decades in many Sub-Saharan African countries. The increasing number of subscribers and demand for greater variety of services in these countries make it difficult for network operators to provide the service varieties subscribers want while maintaining acceptable levels of quality of service. This paper analyzes the radio network of cellular networks in terms of traffic distribution over the existing number of communication channels using MATLAB/Simulink. A scale-free user network, which takes into account user behavior in a realistic physical network, has been used to model a more realistic cause for call blockings in a typical cellular network deployment under a Sub-Saharan environment. Peak recorded traffic distribution was observed to have overwhelmed the existing number of channels provided by the network operators for some cells eventually leading to increase in call drop rates. This high call blocking probability was attributed to poor network monitoring by the network operators to match the ever changing traffic intensities.
Modified Heyman packing performed with small number of Simon-Norman catheters
Jen? Pálv?lgyi,Kofi Agyemang-Prempeh
Journal of Contemporary Brachytherapy , 2010,
Abstract: Purpose: Modified Heyman packing method, performed usually with 6-11 flexible catheters is one out of many brachytherapy treatments. We described the insertion and dose planning method, with the use of 4-6 Simon-Norman catheters positioned to the fundus uteri, which is the most frequent source of the endometrial cancer.Material and methods: We investigated the dose distribution of the main classes of regular catheter insertions with Simon-Norman applicators using dose profiles, obtained in lateral and axial direction at the fundus, and compared with the dose distribution of the Y-shaped catheter arrangements.Results: The insertions with five and six Simon-Norman catheters produced higher dose at the fundus uteri, compared with the Y-shaped applicator.Conclusions: Insertions performed with small number of catheters permits to perform dosimetry optimisation foreach treatment fraction.
A Single Centre Experience with Phenotype Dependent Perioperative Chemotherapy for Primary Breast Cancer  [PDF]
Tamás Kullmann, Kofi Agyemang-Prempeh, Adél Ambrus, Gabriella Herodek, Balázs Hillier, Károly Kocsis, Ilona Laszip, Mária Mák, Tamás Pintér, István Sip?cz
Journal of Cancer Therapy (JCT) , 2019, DOI: 10.4236/jct.2019.101002
Abstract: Background: Standard adjuvant or neo-adjuvant chemotherapy of primary breast cancers consists of docetaxel and the combination of anthracyclin-cyclophosphamide in two steps. According to international literature, the neo-adjuvant treatment of triple negative tumours by the combination of docetaxel-carboplatin allows a high rate of pathological complete remission and the adjuvant treatment of small, node negative HER2+ tumours by the combination of paclitaxel-trastuzumab allows a negligible recurrence rate together with a very good tolerance. Methods: Our aim was the retrospective analysis of the alternative chemotherapy regimens in our patient population. Results: The neo-adjuvant docetaxel-carboplatin allowed a 55% pathological complete remission rate among 20 patients. With the adjuvant paclitaxel-trastuzumab, we did not notice any recurrence among 5 patients at a median follow-up of 18 months. Conclusion: Our results correspond to the literature data. The spread of the protocols in the clinical practice is proposed.
DBU-GAC型CO2吸附剂性能研究
周宏仓,肖旭,何都良,Nana,Agyemang,Prempeh,章文斌,谢文杰,徐露
中国电机工程学报 , 2011,
Abstract: 为了实现烟气CO2的低成本、高效捕集,研究负载1,8-二氮杂二环[5,4,0]十一碳-7-烯(1,8-diazabicyclo[5,4,0]undec-7-ene,DBU)的颗粒活性炭(granularactivatedcarbon,GAC)吸附剂对CO2捕集性能。DBU负载率越高,吸附剂比表面积、总孔容积和微孔容积越小,平均孔径与负载率呈明显的负相关性;Langmuir模型是拟合DBU在GAC上吸附行为拟合优度最佳的模型,DBU在GAC上单分子层吸附要多于多分子层吸附;DBU-GAC吸附剂在低于140℃时具有良好的热稳定性,DBU能抑制吸附剂水分蒸发,有利于DBU与CO2耗水反应;DBU溶液对CO2具有很高的捕集效率,是常用一乙醇胺–甲基二乙醇胺(monoethanolamine-methyl-diethanolamine,MEA-MDEA)复合胺溶液的2.6~3.3倍;GAC负载适量DBU对模拟烟气CO2具有良好的捕集效率,消除膜封效应能提高DBU-GAC吸附剂对CO2的吸附容量。
Testosterone and Its Bioactive Components Are Associated with Libido and the Metabolic Syndrome in Men  [PDF]
H. Alidu, N. Amidu, W. K. B. A. Owiredu, C. K. Gyasi-Sarpong, A. T. Bawah, P. P. M. Dapare, E. B. Agyemang Prempeh
Advances in Sexual Medicine (ASM) , 2017, DOI: 10.4236/asm.2017.72008
Abstract: Background: Some evidence has shown that the prevalence of hypoactive sexual desire and erectile dysfunction (ED) is associated with testosterone levels whilst higher levels of testosterone have been reported to increase the frequency of intercourse. Available evidence points towards an etiologic role for hypogonadism in the causation of diabetes, metabolic syndrome (Mets) and sexual dysfunction (SD) even though the exact pathophysiological linkage is yet to be fully elucidated. This study therefore sought to evaluate the impact of testosterone as well as its bioactive components on both the MetS and SD. Method: Diabetic men engaged in a stable heterosexual relationship for at least 2 years were recruited for this study. Participants were at least 18 years and provided an informed and signed consent to partake in this study. Fasting blood samples were taken from the participants for biochemical and hormonal assay. The participants were then evaluated using the Golombok Rust Inventory of Sexual Satisfaction for males (GRISS-M). Metabolic syndrome was assessed using the NCEP-ATP III, IDF and WHO criteria. All data analyses were performed using the SPSS software, version 11.0 systat, Inc. Germany and GraphPad Prism, version 5.0, San Diego California, USA. Results: The mean total, free and bioavailable testosterone as well as SHBG recorded among the participants was 7.10 ± 1.23 ng/ml, 0.10 ± 0.01 ng/ml, 7.01 ± 1.41 ng/ml and 4.33 ± 1.12 nmol/l respectively. Subjects with the MetS showed significantly lower SHBG levels in comparison with subjects without the MetS. Participants with raised triglyceride levels showed significantly lower levels of total, free and bioavailable testosterone when compared to participant without raised triglycerides. Participants with problems of avoidance and infrequency of sexual activity showed significantly lower levels of total, free and bioavailable testosterone when compared to participants without avoidance or infrequency problems. The +SD/+MetS group recorded the lowest SHBG levels. Conclusion: Testosterone and its bioactive components are associated with male libido as well as the metabolic syndrome. Low levels of free and bioavailable testosterone are true determinants of the MetS in men.
Analgesic activity of crude aqueous extract of the root bark of zanthoxylum xanthoxyloides
ABA Prempeh
Ghana Medical Journal , 2008,
Abstract: Objective: The analgesic activity of crude aqueous extract of the root bark of Zanthoxylum xanthozyloides was studied in mice and rats with the view to verifying the claim in folklore medicine that the extract has analgesic activity. Method: The extract was obtained by Soxhlet extraction and rotatory evaporation, followed by freezedrying. Groups of rats and mice were, respectively, assigned randomly to treatment groups. The animals received three different treatments orally: 0.9% saline (control), the extract (400mg/kg and 800mg/kg for mice; 1000mg/kg and 2000mg/kg for rats) and indomethacin (5mg/kg and 10mg/kg for mice; 10mg/kg and 20mg/kg for rats). Each group of animals was rotated through the entire treatment groups such that each animal served as control as well as received all the treatments. The hot-plate and paw-pressure methods were used to study pain perception in the treated animals. Analysis of variance was used as the statistical test. Results: In both methods, the extract and indomethacin caused dose-dependent elevation in pain threshold. At the peak of activity, 400mg/kg and 800mg/kg extract caused 74% and 95% increase in the reaction time respectively whilst 5mg/kg and 10mg/kg indomethacin gave 97% and 116% increment respectively. Similarly, 1000mg/kg and 2000mg/kg extract caused 65% and 84% increase in pain threshold whilst 10mg/kg and 20mg/kg indomethacin caused 95% and 113% increment respectively. Conclusion: It was concluded that the extract induced analgesia, probably, by inhibiting prostaglandin production, just as did indomethacin.
The Influence of R&D on Economic Development in the West African Sub-Region  [PDF]
Ayamba Emmanuel Caesar, Haibo Chen, Thomas Bilaliib Udimal, Andrew Osei-Agyemang
Open Journal of Social Sciences (JSS) , 2018, DOI: 10.4236/jss.2018.63015
Abstract:
The purpose of this paper was to study the influence of R&D (which included capital, labour and human capital) on economic development in the West African sub-region. However, due to unavailability of data to cover these variables, proxies were used to represent the independent variables. The proxies used were gross fixed capital formation, GDP per person employed, government expenditure on tertiary education as a percentage of GDP and gross enrolment ratio of both sexes to represent capital, labour, R&D and human capital respectively. The study covered all the 15 member-states of the Economic Commission of West African States (ECOWAS). The study covered a period of 2001-2014. The Generalised Least Squares (GLS) method of estimation was adopted with a panel dataset. The findings revealed that the variables had positive impact on the economy while R&D did influence GDP per capital significantly though weakly positive.
Generalizations of Some Inequalities for the $p$-Gamma, $q$-Gamma and $k$-Gamma Functions
Kwara Nantomah,Edward Prempeh
Mathematics , 2015,
Abstract: In this paper, we present and prove some generalizations of some inequalities for the $p$-Gamma, $q$-Gamma and $k$-Gamma functions. Our approach makes use of the series representations of the psi, $p$-psi, $q$-psi and $k$-psi functions.
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