Browsing by Author "Alemu, Tsion"

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    Determinants of cardiothoracic surgery outcomes among patients underwent cardiothoracic surgery at Tikur Anbessa Specialized Hospital in Addis Ababa, Ethiopia, 2021
    (Addis Ababa University, 2021-07) Getahun, Hewan; Tsige, Yosief (Ass. Prof); Alemu, Tsion
    Background: Associated diseases and risk factors are the major causes of postoperative complications after cardiothoracic surgery. Outcome of Cardiothoracic surgery is generally associated with high incidence of myocardial, neurological, renal dysfunction, bleeding, surgical site infection which account up to 10% mortality depending on age, sex, comorbidity, preoperative medication and reoperation. Objective: To assess the determinants of cardiothoracic surgery outcomes at Tikur Anbessa Specialized Hospital Addis Ababa Ethiopia. Methodology: A retrospective institutional based cross-sectional study design was conducted among 323 randomly selected patient records. Systematic random sampling technique was used to select medical records. Data was gathered from the medical records of cardiothoracic patients registered during the past five years (from November 2015- November 2020) using a pretested checklist. Result: Male participants were found to be involved more than female participants. The following were final predictors of cardiothoracic surgery outcomes. Ages between 18 and 28, 1.398 times more likely to develop poor outcomes postoperative compared to the rest age groups. [AOR=1.398, 95% CI=1.179-1.656]. Patients with chronic pulmonary disease are 1.713 times more likely to develop poor outcomes as compared to patients with other comorbidities and no known comorbidities [AOR=1.713, 95% CI=1.041-2.818]. And patients whose duration of surgery is 2-3hrs 2.306 times more likely to develop poor outcomes postoperative as compared to 3-4hrs duration of surgery [AOR=2.306 95% CI=1.241-4.283]. Personal habits, waiting time for surgery since admission lost their significance. Conclusion: In this study age, comorbidities (chronic pulmonary disease), and duration of surgery were factors associated with the outcomes. Further investigation during perioperative period like adjusting medications, chest physiotherapies, preoperative and postoperative patient care in order to reduce the poor outcomes.
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    lCT Utilization of Medium-sized Business Organizations: The Case of Selected Business Organizations in Addis Ababa.
    (Addis Ababa University, 2015-06) Alemu, Tsion; Lencho, Negeri (PhD)
    The major objective of the study was to investigate leT utilization level of selected medium sized business organizations located in Addis Ababa. Specifically, the study attempted to analyze how the se lected organi zations use leT in their core business activities and identify the opportunities and challenges of incorporating leT in business activities. The study appli ed qualitative method whereby semi structured in-depth interview and text analysis were used as data collection instruments. The study applied tlu·ee models: the adoption ladder model, the Nolan's 6th stage of IT/IS and the transporter model as a theoretical framework that depicts the utilization level of the businessorgani zations. The organizations were selected tlu·ough purposive sampling method, that was based the definition of medium sized businesses formulated by an international information technology research company named Gartner. The data obtained from the in-depth interview were analyzed qualitatively, in an approach that begins with a profile of theselected organization and continues with the analysis of the data gathered about the specific organization. In the study, the data which were gathered through document analysis were used as a describing feature of the major appl ications used by the selected organizations. By applying the above methods of data collection and organi zation the research answered four basic research questions. The findings of the study revealed that medium-sized business organizations struggle with various problems of adopting leT opportunities as a result of the lack of skill and training, internet service provider and leT appl ications. The findings of the study showed that except one organization the medium-sized businesses do not apply any aspect of e-commerce. In add ition, the study has also revealed that the selected businesses internal and external communication flow takes place through the faci lities of leT. The study concludes that medium-sized organizations utilize different information exchange and business activity enhancer software, but faces problems such as employees' lack of the appropriate culture and knowledge of le T as a barrier to effecti ve ly utili zing le T in the work activity of business organizations. Based on the findings of the study, the researcher has forwarded recommendations on how busihess organizations can better utilize leT to improve their performance.