Park, Miok;Yang, Eunjin;Lee, Mimi;Cho, Sung-Hyun;Shim, Miyoung;Lee, Soon Haeng
Journal of Korean Critical Care Nursing
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v.14
no.2
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pp.1-11
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2021
Purpose : The aim of this study was to propose appropriate nurse staffing of adult intensive care units considering patients' nursing care needs according to the Workload Management System for Critical Care Nurses (WMSCN). Methods : In a cross-sectional survey conducted in September 2017, 1,786 patients' WMSCN scores, surveys from 2,145 nurses, and administrative data from 118 units in 41 hospitals were analyzed. The means (standard deviations) of the aforementioned scores and nursing hours per patient day were presented. Nurse-to-patient ratios and nurse-to bed ratios for staffing to meet patients' nursing care needs were calculated. Results : The mean WMSCN scores were 109.50±17.17 in tertiary hospitals and 96.38±19.26 in general hospitals. Nursing hours per patient day were 12.47±2.80 in tertiary hospitals and 11.01±2.45 in general hospitals. Nursing hours per patient day correlated with WMSCN scores. Nurse-to-bed ratios required for the provision of ICU nursing care ranged from 1: 0.36 to 1: 0.48. Conclusion : Our findings provide evidence that current ICU nurse staffing is insufficient for meeting patients' nursing care needs. We suggest adjusting the legal standards for adequate nurse staffing considering these needs.
The Journal of Asian Finance, Economics and Business
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v.4
no.3
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pp.85-94
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2017
The paper examines critical factors affecting consumer behavioral intentions in accepting online health communication through social networking sites. Unlike recent research under this topic, the paper assimilates some components of service quality dimensions and consumer behavior theories. The paper employs factor analysis and structural equation modelling analysis with latent variables to identify critical factors from the survey data collected from Korean consumers. The results of the study identifies three major constructs: consumer needs for health information, the perceived value of tangible attributes of health information providers, and the perceived value of intangible attributes of health information providers. The results show that consumer needs for health information and the tangible and intangible attributes of health information providers should be considered as important antecedents of accepting online health communication through social networking sites. The findings suggest that the success of online health communication via social networking sites largely depends on the tangible and intangible attributes of health information providers.
Needs fulfillment is one of the most critical concepts in defining and managing an Institutional Household (IH). Though most major studies in the field have emphasized the importance of needs fulfillment, few studies have focused on the concrete concept and/or strategy for needs fulfillment. This study delved into elaborated concepts and management strategies for needs fulfillment in IH. First, the paper redefined the concept of customers' needs for IH by contrasting the basic needs as a human being with those provided by the family and the employees' needs within IH. The paper dimensionalized the needs and matched them with specific management aspects of IH. Based on the refined concepts of needs, the second part of the paper dealt with the management strategies for needs fulfillment in IH. Needs fulfillment management strategies were discussed in three aspects: needs assessment, needs fulfillment program performance, and program evaluation. Finally, the authors discussed how needs fulfillment management discussed in this paper could be applied to the curriculum development for educating and licensing IH Managers.
Purpose - The aim of this study was to analyze the educational needs of distribution company salespeople in core competencies for convergence and their general perception of convergence education. Furthermore, this study provides basic data on core competencies for convergence needed by them. Research design, data, and methodology - A survey was conducted on 104 distribution company salespeople who worked near Seoul, Korea to analyze the perceptions of their educational needs in core competencies for convergence education, according to their socio-demographic characteristics. The socio-demographic characteristics were gender, age, workplace size, education background, work experience and business category. The questionnaire consisted of demographic factors (7 questions), general perception of convergence education (5 questions), perception of importance of core competency for distribution company salespeople (9 questions), and current perception of distribution company salespeople on core competency of convergence workers (9 questions). Park et al.(2014)'s categorization of convergence core competencies was used: Cognitive convergence (creative thinking, critical thinking and understanding of convergence knowledge), convergence performance (problem solving, communications, collaboration and application of convergence tools) and attitude toward convergence (empathy and responsibility). Data was collected through an independent sample of t-tests and a one-way analysis of variance and the Borich Needs Assessment Model was used to identify the educational needs of distribution company salespeople in the core competencies of convergence education. Results- The results show that the subjects recognized the need for convergence education to be high among the general perceptions. The perception scores for workers of different backgrounds only varied according to the size of the business. Moreover, the results of the educational needs analysis and the ranks of the required core competencies of convergence workers by the subjects were as follows: 1. convergence knowledge understanding competency, 2. creative thinking competency, 3. convergence tool application competency, 3. communications competency, 4. problem solving competency, 5. collaboration competency, 6. critical thinking competency, 7. empathy competency, 8. responsibility competency. Conclusions - This study highlights the necessity of developing university curriculum that can nurture the core competencies of conversion education reflecting distribution company salespeople's requests as well as cultivating qualified convergence workers required by distribution company workers.
Proceedings of the Korean Society for Technology of Plasticity Conference
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2003.10a
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pp.291-295
/
2003
The occurrence of ductile fracture is the working limit of many metal forming processes. It is necessary to predict the criteria and to apply the condition in a process design. Over the years. the way for clarifying conditions have been studied and presented. However such a way needs lots of experiments and analysis. In this study, in order to determine the critical damage value of a used material Cu 4N, it was performed a tensile test and FEM analysis by using DEFORM 2D. For applying the obtained critical damage value it was also performed a upsetting test by using DEFORM 2D. The way of determining a critical damage value which is presented in this study will make possible to find easily it which is one of the working limit factor. And the way of determining a critical damage value will make possible to find in multi-pass drawing process.
The Transactions of The Korean Institute of Electrical Engineers
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v.58
no.3
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pp.502-508
/
2009
The method to determine the operating current of HTS magnets needs to be different from that of LTS magnets. This paper presented estimation of the critical current of pancake windings. The pancake windings can be excited by a single power source or by multiple power sources. Critical currents were determined by using field dependent E-J relation. For the better estimation of the critical current, a new method to define the magnetic field of the HTS wire has been proposed. Calculated critical currents of pancake windings were compared with measured ones of the HTS BSCCO magnet consisting of 10 pancake windings. According to the test results, the estimated critical currents of pancake windings agreed well with that of measured ones. Effects of the single and multiple power source excitation on the critical currents have been also examined.
Journal of Advanced Marine Engineering and Technology
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v.18
no.2
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pp.113-121
/
1994
Since two oil shocks in 1970s, all of engine makers have persevered in their efforts to reduce specific fuel consumption and to increase engine power rate as much as possible in marine diesel engines. As a result, the maximum pressure in cylinders of these engines has been continuously increased. It causes direct axial vibration. The axial stiffness of crank shaft is low compared to old types of engine models by increasing the stroke/bore ratio and its major critical speed might occur within engine operation range. An axial damper, therefore, needs to be installed in order to reduce the axial vibration amplitude of the crankshaft. Usually the main critical speed of axial vibration for the propulsion shafting system with a 4-8 cylinder engine exists near the maximum continuous revolution(MCR). In this case, when the damping coefficient of the damper is increased within the allowance of the structural strength, its stiffness coefficient is also increased. Therefore, the main critical speed of axial vibration can be moved beyond the MCR. It has the same function as a conventional detuner. However, in the case of a 9-12 cylinder engine, the main critical speed of axial vibration for the propulsion shafting system exists below the MCR and thus the critical speed cannot be moved beyond the MCR by using an axial damper. In this case, the damping coefficient of an axial damper should be adjusted by considering the range of engine revolution, the location and vibration amplitude of the critical speed, the fore and aft vibration of the hull super structure. It needs to clarify the dynamic characteristics of the axial vibration damper to control the axial vibration appropriately. Therefore authors suggest the calculation method to analyse the dynamic characteristics of axial vibration damper. To confirm the calculation method proposed in this paper, it is applied to the propulsion shafting system of the actual ships and satisfactory results are obtained.
Purpose : This study aimed to determine whether the Korean Patient Classification System for Neonatal Care Nurses (KPCSN) properly measures neonatal intensive care needs and to compare the scale's results with those of the Workload Management System for Critical Care Nurses (WMSCN). Methods : Data were collected from the medical records of 157 patients who were admitted to the NICU of a university hospital, in D city. Two types of patient classification systems were applied to investigate the total points and distributions to investigate the total points and distributions by categories and compare relationships and classification groups between two scales. Finally, the score distribution among the classification groups was analyzed when the KPCSN was applied. Results : Scores on the KPCSN for the feeding, monitoring, and measure categories were 19.16±15.40, 16.88±3.52, and 9.13±4.78, respectively. Classification group distribution of the KPCSN was as follows : 1.9% for the first group, 24.2% for the second group, 58% for the third group, and 15.9% for the fourth group. The classification group distribution of the WMSCN was as follows: 35.7% for the third group, 61.1% for the fourth group, and 3.2% for the fifth group. Finally, the scores by categories were analyzed according to KPCSN classification group, and the characteristics of the patients' nursing needs were identified for each classification group. Conclusion : Results of this study indicate that the KPCSN effectively measures feeding needs, which account for many nursing activities in neonatal intensive care. Comparisons between the KPCSN and WMSCN classification group scores and distribution ratios verified the correlation and significance of nursing requirements.
Purpose : The aim of this integrative review was to describe communication experiences and needs among the critically ill with an artificial airway and evaluate relevant intervention studies. Methods : Using the method employed by Whittemore and Knafl (2005), we searched for papers on PubMed, CINAHL, and Web of Science published from January 1, 2015 to September 25, 2020. A total of 26 papers (11 descriptive studies, 15 experimental ones) were identified and evaluated. Results : Communication experiences while having an artificial airway, identified either by patients' recall or direct observation, were predominantly negative. However, positive experiences were reported in patients with improvements in physical conditions and functions. Patients' communication needs were diverse, encompassing physical, psycho-emotional, social, spiritual, and medical issues. Interventions tested included alternative and augmentative communication strategies, communication intervention packages, and voice restorative devices. Physical, psychosocial, and communication-related patient outcomes were evaluated using various methods including self-report surveys, interviews, and observations. Conclusions : The findings from this review represent the state of science regarding communication of the critically ill whose vocal abilities are inhibited by the presence of an artificial airway. Future studies with rigorous experimental designs and measures are warranted to better understand and support the complex needs of this highly vulnerable patient population.
Purpose: The purpose of this study was to develop a Critical Pathway for Uterine Artery Embolization patients. Method: There were 6 steps that were taken. Step 1 was selecting a diagnosis, and Step 2 was organizing a development team consisting of 7 experts. Step 3 analyzed the medical records, and Step 4 drew up a preliminary Critical Pathway. Step 5 tested the clinical validity of the preliminary Critical Pathway, and Step 6 developed the final Critical Pathway. Result: The contents of the medical practices observed in the medical records were investigated in seven areas: monitoring/assessment, treatment, medication, diet, activity, consults, and education/discharge plan; and a total of 73 items was identified. The validity of the 73 items was examined by a group of specialists. 68 items were adopted, 4 items revised, 1 item removed, and 1 item was added. Using the results, a preliminary Critical Pathway was drawn up. According to the results from examining the clinical validity of the preliminary Critical Pathway with five patients for five weeks, 3 items which showed discrepancy were revised and another 3 items were added. Then, the final Critical Pathway was completed. Conclusion: This Critical Pathway needs to be clinically applied and continuously to measure its effects in terms of the length of stay, cost.effectiveness, and the patients' and staffs' satisfaction.
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