Digital Commons Network^™

Factors Associated With Mortality Among Hospitalized Adults With Covid-19 Pneumonia At A Private Tertiary Hospital In Tanzania: A Retrospective Cohort Study, Nadeem Kassam, Eric Aghan, Omar Aziz, Hanifa Mbithe, Kamran Hamid, Reena Shah, Salim Surani, James Orwa, Samina Somji

Internal Medicine, East Africa

Background: The emergence of the novel coronavirus disease 2019 (COVID-19) has caused millions of deaths worldwide. There has been paucity of data for hospitalized African patients suffering from COVID-19. This study aimed to identify factors associated with in-hospital mortality in patients suffering from COVID-19 in Tanzania.

Methods: This was a single center, retrospective, observational cohort study in adult patients hospitalized with confirmed COVID-19 infection. Demographics, clinical pattern, laboratory and radiological investigations associated with increased odds of mortality were analyzed.

Results: Of the 157 patients, 107 (68.1%) patients survived and 50 (31.8%) died. Mortality was highest in patients …

Prevalence Of Spine Surgery Navigation Techniques And Availability In Africa: A Cross-Sectional Study, Ulrick Sidney Kanmounye, Yvan Zolo, Faith C Robertson, Nourou Dine Adeniran Bankole, Kantenga Dieu Merci Kabulo, Jeff M Ntalaja, Juma Magogo, Ahmed Negida, Nqobile Thango, Ignatius Esene, Brenton Pennicooke, Camilo A Molina

Open Access Publications

Background: Africa has a large burden of spine pathology but has limited and insufficient infrastructure to manage these spine disorders. Therefore, we conducted this e-survey to assess the prevalence and identify the determinants of the availability of spine surgery navigation techniques in Africa.

Materials and methods: A two-part questionnaire was disseminated amongst African neurological and orthopedic surgery consultants and trainees from January 24 to February 23, 2021. The Chi-Square, Fisher Exact, and Kruskal-Wallis tests were used to evaluate bivariable relationships, and a p-value <0.05 was considered statistically significant.

Results: We had 113 respondents from all regions of Africa. Most (86.7 %) participants who practiced or …

Perceptions Of Surgeons On Surgical Antibiotic Prophylaxis Use At An Urban Tertiary Hospital In Tanzania, Elizabeth Mmari, Eunice Pallangyo, Authar Ali, Dereck A. Kaale, Isaac Mawalla, Muzdalfat Abeid

General Surgery, East Africa

Background: Surgical Site Infections are a major cause of morbidity and mortality among operated patients. In spite of the accessibility of universal and national guidelines for surgical prophylaxis, recent studies surveying the present routine of prophylaxis have demonstrated overutilization of a wide range antibacterial medication for a single patient. Few studies have shown qualitatively factors influencing this and perceptions of surgeons on surgical antibiotic prophylaxis use. Unfortunately, none of these studies have been done in Tanzania.

Objective: To describe the perceptions of surgeons on surgical antibiotic prophylaxis use at an urban tertiary hospital.

Methods: A qualitative study …

Maternal Health Care Professionals’ Experiences And Views On The Use Of Obstetric Ultrasound In Rwanda: A Cross-Sectional Study, Ingrid Mogren, Joseph Ntaganira, Jean Paul Semasaka Sengoma, Sophia Holmlund, Rhonda Small, Lan Pham Thi, Hussein Kidanto, Matilda Ngarina, Cecilia Bergström, Kristina Edvardsson

Obstetrics and Gynaecology, East Africa

Background: This study, undertaken in Rwanda, aimed to investigate health professionals’ experiences and views on the following topics: current clinical guidelines for ultrasound from second trimester at the clinic, regional and national levels, and adherence to clinical guidelines; medically indicated ultrasound examinations; non-medical use of ultrasound including ultrasounds on maternal request; commercialisation of ultrasound; the value of ultrasound in relation to other clinical examinations in pregnancy; and ultrasound and medicalisation of pregnancy.

Methods: A cross-sectional design was adopted. Health professionals providing antenatal care and delivery services to pregnant women in 108 health facilities were invited to complete a survey, which …

Effect Of Lowering Tube Potential And Increase Iodine Concentration Of Contrast Medium On Radiation Dose And Image Quality In Computed Tomography Pulmonary Angiography Procedure: A Phantom Study, Justin E. Ngaile, Peter K. Msaki, Evarist M. Kahuluda, Furaha M. Chuma, Jerome M. Mwimanzi, Ahmed Jusabani

Imaging & Diagnostic Radiology, East Africa

The aim of the study was to examine the effect of lowering tube potential and increase iodine concentration on image quality and radiation dose in computed tomography pulmonary angiography procedure. The pulmonary arteries were simulated by three syringes. The syringes were filled with 1:10 diluted solutions of 300 mg, 350 mg and 370 mg of iodine per millilitre concentration in three water-filled phantoms simulating thin, intermediate and thick patients. The phantoms were scanned at 80 kVp, 110 kVp and 130 kVp and 0.6 second rotation time using a 16 slice computed tomography (CT) scanner. The tube current was either fixed …

Teaching In The Age Of Covid-19—1 Year Later, Sahar D. Sattarzadeh

Education Studies Faculty publications

No abstract provided.

Assessment Of The Impacts Of Climate Variability On Hydropower Generation: A Case Study Of The New Pangani Falls, Tanzania, Dativa Byarufu

Tanzania Journal of Engineering and Technology (TJET)

Climate change poses potential impacts on hydropower generation either positively by increasing or negatively by decreasing river flow. This study assessed the impacts of climate variability on hydropower with a focus on the New Pangani Falls in Tanzania. Rainfall and temperature time series data from 1980-2014 were analyzed in relation to river discharge and associated impacts to hydropower generation. The Man-Kendall test was used to detect trend in both annual and seasonal time series. The results showed a negative trend in annual rainfall with Z= -2.41 at α = 0.05 and the slope Q = -0.964. Seasonal trend analysis showed …

Rheological Properties Of Aged Crude Hard Wood Pyrolysis Oil, Divina D. Kaombe

Tanzania Journal of Engineering and Technology (TJET)

Upon storage of the pyrolysis oil, aging reactions may initiate phase separation and change of the rheological properties. These changes lead to unfavourable fuel characteristics in handling, transportation and applications. Efforts have been made for alleviation including methods on how to avoid these aging effects and development of equipment capable of handling aged pyrolysis liquids with unfavourable fuel characteristics. Therefore, the aim of this study was to explore the rheological properties of phase separated pyrolysis liquid fuel. Two batches of a well – stored poplar wood pyrolysis oils were used for the investigation; one batch was diluted with water to …

Performance Of Calcium Chloride- Ammonia Adsorption Refrigeration System, Michael John

Tanzania Journal of Engineering and Technology (TJET)

An experimental study on the performance of calcium chloride-ammonia adsorption system is described. A single bed water cooled condenser adsorption refrigerator prototype, which utilises calcium chloride-ammonia pair has been developed and tested in the laboratory. Experiments have been conducted for desorption temperatures of 100 °C with desorption time varying from 1 to 4 hours. An electric tape heater and a timer were used to perform the experiments. The adsorption temperature profile, adsorption rate and prototype performance have been analysed and discussed. The tested heating and desorption temperature of 100 °C and heating and desorption time of 1 to 4 hours …

Prediction Of Uniaxial Compressive Strength Of Granite Rock Samples Of Lugoba Quarry Using Rebound Hammer Test, Moses Kongola, Karim Baruti

Tanzania Journal of Engineering and Technology (TJET)

Rebound hammer test is widely used as an indirect measure of uniaxial compressive strength for engineering materials such as concrete, soil, and rock in both civil and mining engineering works. In quarries, uniaxial compressive strength is a crucial parameter in the analysis of geotechnical problems involving rock stability and rock blasting design. This study aims at establishing the empirical models of uniaxial compressive strength fits on rebound hammer number that can be used to predict uniaxial compressive strength of granitic rock at Lugoba Quarry. Data for direct uniaxial compressive strength were obtained from uniaxial compressive strength test carried out on …

Prediction Of Four-Days Soaked California Bearing Ratio (Cbr) Values From Soil Index Properties, Pascal Ambrose, Siya P. Rimoy Dr

Tanzania Journal of Engineering and Technology (TJET)

California Bearing Ratio (CBR) laboratory testing is the conventional method for determining soaked strengths of pavement subgrades. The test requires careful preparation of soil samples followed by four days of water soaking before penetrating the samples using a standard plunger at prescribed rates to set depths. When the number of samples becomes large the determination of soaked CBR values becomes cumbersome as the test is laborious and time consuming. This study aimed at establishing an alternative way of determining soaked CBR by developing a model that would be used for estimating soaked CBR of fine- and coarse- grained soils without …

Socio-Technical Perspective For Electronic Tax Information System In Tanzania, Lucas Ngowi, Ellen Kalinga

Tanzania Journal of Engineering and Technology (TJET)

Socio-technical systems theory has rarely been used by system architects in setting up computing systems. However, the role of socio-technical concepts in computing, which is becoming social in nature, has made the concepts more relevant and commercial. Tax information systems are examples of such systems because they are influenced by external variables such as the political environment, technological trends, and social environment, introducing complexity in their deployment and determining the type of e-services and their delivery to a diverse group of people. It was observed that in Tanzania there is resistance, reluctance and minimal use of electronic tax system because …

Seroprevalence Of Hepatitis B Virus Infection, Anti-Hcv Antibodies And Hiv And Knowledge Among People Who Use Drugs Attending Methadone Therapy Clinic In Tanzania; A Cross-Sectional Study, Semvua B. Kilonzo, Daniel L W Gunda, David C. Majinge, Hyasinta Jaka, Paulina M. Manyiri, Fredrick Kalokola, Grahame Mtui, Elichilia R. Shao, Fatma Bakshi, Alex Stephano

Faculty of Health Sciences, East Africa

Background

Methadone therapy clinics have been recently introduced in Tanzania, aiming at reducing risk behaviors and infection rates of viral hepatitis and HIV among people who use drugs. The objective of this study was to estimate the prevalence, associated factors and knowledge level of these conditions among people who use drugs attending a methadone clinic in Tanzania.

Methods

We enrolled 253 People who using drugs receiving Methadone therapy. Clinical data was retrospectively collected from the medical records and face-to face interviews were conducted to determine the behavioral risk factors and respondents’ knowledge on viral hepatitis and HIV.

Results

An overall …

Prospective Teacher Educators' Knowledge Development Through The Creation Of Multimedia Case Studies Of Practice, Crispin Ojwang

Dissertations - ALL

Despite the importance of teacher educators in influencing the quality of teacher education and by extension, the teacher quality, teacher educator preparation and professional development has received little attention from researchers and its pedagogical knowledge domain is often generalized from that of teachers. This study therefore explored the knowledge development of prospective teacher educators through creating multimedia case studies of practice. The study was based on the analysis of data collected previously through a teacher development experiment with eighteen prospective teacher educators during a two-semester course for doctoral students in several teacher education programs. I adopted Cochran-Smith and Lytle's theorizing …

Undergraduate Female Student-Leaders In Higher Education: Leadership Identity And Development In Tanzania, Cecilia Swai, Ikupa Moses

Journal of Humanities and Social Sciences

This study investigated the development of leadership identity among six female undergraduate student-leaders in higher learning institutions (HLIs). Based on the hexagon and motivation to lead theories, the study focused on personal knowledge, beliefs and actions that female undergraduate student-leaders attach to their leadership identities. Furthermore, the study explored the perceived leadership motivational factors for female student-leaders in HLIs. The study employed a phenomenological interpretive approach to investigate the lived-experiences of female student-leaders related to their leadership identities and developments in three HLIs. The study noted that there are important roles played by parents, peers, teachers and religious institutions in …

Student-Mothers’ Experiences In Tanzania’S Higher Education Institutions: Motivational Factors And Challenges, Fortunatha Mathias Matiba, Sarah Ezekiel Kisanga

Journal of Humanities and Social Sciences

This paper reports the findings on motivational factors and challenges that student-mothers face in Tanzania’s HEIs (HEIs). Specifically, the study set out to establish factors for female students’ plans to become mothers while in universities. It also explored the challenges these student mothers faced. Sixteen (16) student-mothers took part in semi-structured interviews. Thematic analysis facilitated data analysis. The study found that most of the student-mothers did not envisage having children while studying. The factors that influenced them to become mothers while studying included: ongoing university policies that allow female students to have children, assured support, health and age factors, religious …

Trends And Causes Of Socio-Economic Inequality In Teenage Pregnancy And Childbearing In Tanzania, Magashi Joseph, Asela Miho

Journal of Humanities and Social Sciences

The paper analyses the trends and causes of socioeconomic inequalities in teenage pregnancy and childbearing in Tanzania using the 2004/05, 2009/10 and 2015/16 Tanzania Demographic and Health Survey (TDHS) data. The analysis of trends and causes of socioeconomic-inequality uses a representative sample of 7,450 teenagers who were pregnant or had a child during the survey. Teenagers were obtained from a multi-stage sampling technique. Erreygers Index (EI) and its decomposition are used in the analyses. The EI indicates a significant increase in the magnitude of inequalities in teenage pregnancy and childbearing over time. Further, there exists a pro-poor inequality in teenage …

How Does Gardening Activities Fit Into The Lives And Gendered Responsibilities Of Women? The Case Of Vegetable Cultivation In Morogoro Municipality, Betty David Mntambo

Journal of Humanities and Social Sciences

This study explored how gardening activities fit into the lives and gendered responsibilities of female gardeners. The specific objectives were to understand how a woman allocates her time to fit into domestic and gardening activities; how domestic work affect the participation of women in gardening activities; as well as the implications of the struggle to balance domestic and gardening activities. The study was conducted among female gardeners who cultivate and sell leafy vegetables in Morogoro Municipality. The study adopted a descriptive qualitative approach, whereby snowball sampling was used to select 17 female gardeners cultivating in open spaces. In-depth interviews and …

Gender Differences And Consumer Purchase-Decision: The Moderating Effect Of Income Levels Among Mall-Consumers In Dar Es Salaam - Tanzania, Winnrose Elifuraha Mmari, Isaac Kazungu

Journal of Humanities and Social Sciences

The field of gender has recently gained acceptability across the globe. While the concept of gender development has been widely studied, the link between gender attributes, income and consumer purchase-decision at the market place requires an extensive assessment. This work explores how income level moderates the relationship between gender differences and consumer purchase-decision. A cross sectional research design was adopted and data were collected from 218 sampled consumers across 11 retail stores in Dar es Salaam, Tanzania. Structural equation modelling (SEM) was used to test the conceptual framework. Findings revealed a moderating effect of income in the relationship between gender …

Female Access To, And Control Over, Resources In Tanzania: The Case Of Migrants Maasai Women In Dar Es Salaam City And Bagamoyo District, Elizabeth Lulu Genda

Journal of Humanities and Social Sciences

This paper examines female access to, and control over, resources in Tanzania. Specifically, the objectives were to identify resources owned by Maasai at family level; examine women access to, and control over, resources after migration; and assess women’s ability to sell resources in their families. The paper emanated from a mixed method of cross-sectional study conducted in Dar es Salaam city and Bagamoyo District to a sample of 230 obtained through systematic and purposive sampling, respectively. The sample was drawn from six (6) wards in Dar es Salaam and two (2) wards in Bagamoyo. Quantitative and qualitative data were collected …

Understanding Gender Inequalities In Households: Anecdotal Encounters By Practitioners In Kenya And Tanzania, Nancy Njiraini, Amina N. Kamando

Journal of Humanities and Social Sciences

Women in developing countries face several challenges related to gender inequality through experiences in limited access to education, labour market, and finances. Deep rooted social and cultural practices often devalue the notion of being a woman, and create limitations for women’s life opportunities and personal empowerment. The overall objective of this paper is to reflect on ways of effectively engaging with informal settlement communities in Kenya and Tanzania, in a way that elicits information that is useful to the community and to research. The paper is part of a larger research project targeted at couples living in a household as …

Privacy, Confidentiality And Anonymity: Understandings From People Who Inject Drugs Enrolled In A Study Of Social Networks And Hiv Risk., Roberto Abadie, Celia Fisher, Kirk Dombrowski

Department of Sociology: Faculty Publications

No abstract provided.

Methods Of Educating Nursing Students On Proper Handwashing To Enhance Infection Control During The Covid Pandemic, Yulanda King

Doctor of Nursing Practice Projects

Background: Medical professionals have commonly been urged to use soap and water to sanitize their hands to prevent contamination and disease transmission. However, thorough handwashing requires a couple of minutes to clean hands thoroughly. Considering that health professionals must sanitize their hands' multiply times during a day, handwashing consumes a significant amount of time away from bedside care. Time spent away from patients may also result in a substantial decrease in the quality of healthcare services provided by the medical institution.

Purpose: This project evaluates the current policy and procedure for appropriate use of handwashing versus hand sanitizer in the …

Translation And Validation Of Training Needs Analysis Questionnaire Among Reproductive, Maternal And Newborn Health Workers In Tanzania, Tumbwene Mwansisya, Columba Mbekenga, Kahabi Isangula, Loveluck Mwasha, Eunice Pallangyo, Grace Edwards, James Orwa, Michaela Mantel, Micheal Mugerwa, Leonard Subi, Secilia Mrema, David Siso, Edna Selestine, Marleen Temmerman

School of Nursing & Midwifery, East Africa

Background: Continuous professional development (CPD) has been reported to enhance healthcare workers’ knowledge and skills, improve retention and recruitment, improve the quality of patient care, and reduce patient mortality. Therefore, validated training needs assessment tools are important to facilitate the design of effective CPD programs.

Methods: A cross-sectional survey was conducted using self-administered questionnaires. Participants were healthcare workers in reproductive, maternal, and neonatal health (RMNH) from seven hospitals, 12 health centers, and 17 dispensaries in eight districts of Mwanza Region, Tanzania. The training needs analysis (TNA) tool that was used for data collection was adapted and translated into …

Knowledge And Practices Of Mothers About Diarrhea In Children Under Three Years Old In Heevi Pediatric Teaching Hospital In Duhok City, Omed S. Saadallah, Gulistan A. Saido

Polytechnic Journal

Background and Objectives: Diarrheal disease is the second important reason of death in children under 5 years old and is responsible for killing around 760,000 children every year. Diarrhea can last for several days and it can leave the body without the water and salts that are necessary for survival. Most people who die from diarrhea actually die from severe dehydration and fluid loss. The aim of this study is to assess the relationship between mother’s knowledge and their practice about diarrhea in children mother’s knowledge and their practice about diarrhea in children less than 3 years old in Heevi …

Overview: Politics And Technology Converge: Case Studies On The Effects Of Regulatory Reform On Vsat Adoption In Developing Countries, Emmanuel Adugu, Kwasi Boateng, D. Flournoy, Eric Gavua, Wencelous Kaswoswe, Miao Zhang

Online Journal of Space Communication

Developing countries are actively implementing satellite data networks, and have undertaken policy reforms to facilitate such networks. This research examines how regulatory changes have resulted in the removal of barriers relating to the deployment of access technologies and growth in connectivity, especially in VSAT installations for low cost Internet access. In addition, this research seeks to identify the socio-economic impact of emerging data network applications in government, business, health and education. In some cases, government offices have been the driver of change; in other cases, businesses have been the ones to initiate and press these developments forward.

Expired Carbon Dioxide During Newborn Resuscitation As Predictor Of Outcome, Kari Holte, Hege Ersdal, Claus Klingenberg, Joar Eilevstjønn, Hein Stigum, Samwel Jatosh, Hussein Kidanto, Ketil Størdal

Faculty of Health Sciences, East Africa

Aim:

To explore and compare expired CO2 (ECO2) and heart rate (HR), during newborn resuscitation with bag-mask ventilation, as predictors of 24-h outcome.

Methods:

Observational study from March 2013 to June 2017 in a rural Tanzanian hospital. Side-stream measures of ECO2, ventilation parameters, HR, clinical information, and 24-h outcome were recorded in live born bag-mask ventilated newborns with initial HR < 120 bpm. We analysed the data using logistic regression models and compared areas under the receiver operating curves (AUC) for ECO2 and HR within three selected time intervals after onset of ventilation (0-30 s, 30.1-60 s and 60.1-300 s).

Results:

Among 434 included newborns (median birth weight 3100 g), 378 were alive at 24 h, 56 had died. Both ECO2 and HR were independently significant predictors of 24-h outcome, with no differences in AUCs. In the first 60 s …

Spontaneous Fetal Reduction In Triplets And Prolongation Of Twin Pregnancy For 111 Days As An Outpatient: A Case Report, Davis Rubagumya,, Munawar Kaguta, Ernie Mdachi, Muzdalfat Abeid, Hussein Kidanto

Faculty of Health Sciences, East Africa

Background:

Multiple gestation has been on the rise because of advancement in assisted reproductive technology. Triplet pregnancy is associated with fetal loss and preterm birth as its major complications. Spontaneous triplet pregnancy is rare. In the case of fetal loss, delayed interval delivery has been used to achieve delivery of the retained fetuses. There is no common approach to delayed interval delivery. Case A 31-year-old East African lady with spontaneous triplet pregnancy presented to our institution at gestation age of 19 weeks with features of threatened miscarriage. One fetus was miscarried, and delayed interval delivery was done as an …

Strategic Capabilities And Success Of Food-Processing Firms In Tanzania, Esther Ishengoma, Goodluck Charles, Lettice Rutashobya

Business Management Review

This article identifies firms ' strategic capabilities in the food-processing industry and establishes the extent to which they influence firms ' success. Based on multinomial regression results drawn from the survey of 105 food-processing firms in Tanzania, it is evident that the leadership and vision of owner-managers was the most significant strategic capability irrespective of the firms ' degree of success. The results also indicate that applying superior technology, the owner-managers ' experience and level of education, engaging highly skilled and specialised employees, and the ability to access capital and sustain market growth were significant in distinguishing successful from poor …

User Participation Approach To Key Attributes Of E-Government Implementation In Developing Countries: A Case Of Tanzania, Sumaya M. Kagoya, Ulingeta O.L. Mbamba

Business Management Review

Many nations have adopted Information and Communication Technologies in a bid to involve citizens in electronic participation with its associated copious benefits mostly witnessed in developed countries. Despite the fact that innumerable scholars have explored numerous factors influencing e-government implementation, less have examined the influence of user-participation attributes and top management support in successful implementation of e-government in developing countries like Tanzania. Therefore, to bridge this knowledge gap, this study assessed key attributes for e-government implementation success in Tanzania from a user-participation perspective. Explicitly, it assessed e-government success using user-participation attributes, top management support, ICT infrastructure and IS attributes. Quantitative …