• 대한방사선협회지
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• 제27권2호
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• pp.175-180
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• 2001

Ⅰ. Background and Objectives : Recently the percutaneous transradial approach for coronary angiography and angioplasty has been using. When the radial artery as a graft for coronary artery bypass surgery was used, pantency increased. Many examination and

• 한국경영과학회지
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• 제28권4호
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• pp.155-189
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• 2003

In this research, the comprehensive evaluation model of IS(information systems) for public sectors is theoretically constructed through reviewing and integrating previous IS evaluation-related research. This model is hypothesized to consist of five sectors(System Sector, User Sector, Organization and Management Sector, Resource Management Sector and Strategic Contribution Sector), ten evaluation items belonging to these five evaluation sectors, and sixty two evaluation indices for these ten evaluation items. The results of empirical analyses to test the validity of the research model show that the evaluation sectors turn out to be the same ones as proposed in the hypothetical model. The evaluation items(System Quality, Information Quality, Service Quality) in System Sector proves to be consistent with the hypothetical model. However, in case of User Sector, two evaluation items(Perceived Usefulness and User Satisfaction) which are included in the hypothetical model are found to be merged into one item(User Satisfaction). And, it is shown that four evaluation items such as the Efficiency of Internal Process, Customer Satisfaction, Organizational Innovation, and the Degree of Informatization competence improvement are included in Organization and Management Sector, differently from the research model in which the items, Organizational innovation and the Degree of Informatization competence improvement, are not divided. As a final result, sixty two evaluation indices that comprise all the evaluation items belonging to five sectors are found to be reduced to fifty seven ones through factor analyses, criterion-related validity tests and reliability analyses.

• 한국콘텐츠학회논문지
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• 제20권4호
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• pp.111-123
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• 2020

제품 디자인개발 과정에서 사용성과 포용성을 확보하는 것은 매우 중요하다. 이를 위한 제품의 사용성과 포용성 평가방법으로 케임브리지 대학 엔지니어링 디자인 센터의 교수인 Simon Keates와 P. John Clarkson에 의해 Exclusion Calculation이 개발된 바 있다. 그러나 실제 제품의 평가에서 Exclusion Calculation의 효용성에 대한 연구가 부족하다. 이에 본 연구는 Exclusion Calculation을 사용하여 전기다리미을 평가하는 실험을 사례 연구로 진행하여 결과의 유용성, 정확성 및 평가항목의 직관성 3가지 측면에서 장단점을 평가하여 Exclusion Calculation의 효용성을 고찰하였다. 실험 연구에서, 11명의 디자이너가 Exclusion Calculation으로 제품을 평가한 후 Exclusion Calculation중 14개 평가항목의 직관성을 평가했다. 제품 평가 결과에 따라 Exclusion Calculation 평가 결과의 유용성을 판단하고, 표준편차를 이용하여 Exclusion Calculation 평가 결과의 정확성을 분석했다. 본 연구결과 첫째, Exclusion Calculation의 평가결과는 디자이너가 제품의 물리적 특징과 관련된 사용성 문제 및 문제의 보편성을 발견하도록 도울 수 있지만, 제품 사용 논리성 측면의 문제를 발견할 수는 없다. 둘째, Exclusion Calculation 평가 척도 기준이 모호하기 때문에 평가 결과의 정확성이 낮다. 평가항목은 전체적으로 평가 판단의 난이도가 낮지만, 인지능력과 관련된 평가항목은 직관성이 약하다는 것을 알 수 있었다.

• Pediatric Infection and Vaccine
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• 제23권2호
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• pp.117-127
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• 2016

목적: 2000년부터 식품의약품안전처 주관 하에 국내 주요 백신의 안전성과 면역원성에 대한 임상평가 자료를 확보하기 위한 백신 평가 연구를 시작하였다. 본 연구는 백신의 면역원성, 효능, 효과, 안전성 및 다른 평가분야에 대해 수행된 연구 및 보고서들을 고찰하여 각 백신 별 유용성 평가 자료를 찾아 분석하고자 하였다. 방법: 지난 2000년부터 2014년까지 여러 연구자들에 의해 "백신 유용성 평가" 과제가 수행되었다. 백신 유용성 평가 자료들의 결과 및 성과들을 고찰하여 향후 국내 백신 정책에 활용할 수 있는 가능성을 분석하였다. 각 백신은 백신 평가 영역에 따라 자료를 분석하고 체계화하였다. 결과: 2000년부터 2014년까지 주요 백신에 대해 총 83개의 연구과제가 수행되었다. 각 백신 별로는 BCG 8개, DTaP/Td 14개, 폴리오 1개, Hib 5개, 폐구균 3개, 인플루엔자 11개, A형 간염 3개, MMR 11개, 수두 11개, 일본뇌염 16개였다. 평가 영역은 안전성, 면역원성, 면역도, 면역지속능, 효능평가, 효과평가, 유효성 평가기술, 품질평가 및 기타로 나누어 분석하였다. 결론: 우리나라에서 수행된 백신 유용성 평가 연구를 통해 유용한 자료가 도출되어 향후 국내 백신 평가 사업, 백신 정책 수립 및 대중/전문가 교육에 필요한 기초자료로 활용될 수 있을 것이다.

• 간호행정학회지
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• 제16권2호
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• pp.152-161
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• 2010

Purpose: The aim of this project was to develop a patient safety-focused inservice education program for surgical nurse and to test the effects of this program. Methods: Methodological designs for instruments development, a pretest-posttest and a posttest design were employed. After the education, nurses' satisfaction, confidence, usefulness and application of 137 nurses were evaluated at 15 surgical units of a tertiary teaching hospital in Seoul, Korea. The education contents are 6 skill areas (infusion pump use, suction, chest tube drainage, oxygen administration, nebulizer use, insulin administration) and medication knowledge. Teaching methods were lecture, instructor demonstration, and 1:1 skill test. Descriptive statistics, Wilcoxon test, Spearman's correlation and Stepwise regression were used. Results: Satisfaction scores for skills and medication education were 4.00-4.21 (out of 5), The more performance frequency in 6 skills, the higher score in confidence as well as in usefulness and application, and the higher satisfaction with the program, the higher score in usefulness, application, confidence, and medication knowledge. Medication knowledge improved after the education (Z=-7,757, p<.001). Significant predictors of skill confidence were application of skills in job performance, medication confidence, and career in present unit. Conclusion: The results of this study suggest that systematic and continuous inservice education will improve patient safety by promoting nursing quality.

• Perspectives in Nursing Science
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• 제11권2호
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• pp.123-131
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• 2014

Purpose: The purposes of this study were to assess the efficacy and usefulness of the career ladder program in a hospital and to evaluate nurses' satisfaction with the program. Methods: The study was conducted using a survey consisting of 14 questions on the appropriateness, necessity and usefulness of the career ladder program. The data were gathered from 403 nurses in a hospital. We assessed differences in responses according to the participants' workplace, age, educational background, marital status, experience (total years and years at current working place). We analyzed the data using SPSS/WIN 12.0. Results: Nurses acknowledged that the career ladder program is necessary and profitable within the nursing field, but they worried about the appropriateness of the nurse's role at each career level and rationality of the portfolio. The study also identified nurses' characteristics that were significant factors in explaining nurses' satisfaction with the career ladder program. Finally, we identified complaints and improvements for the program. Conclusion: We assessed differences in attitude towards the career ladder program according to nurses' characteristics.

• 비파괴검사학회지
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• 제20권3호
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• pp.221-230
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• 2000

콘크리트 비파괴검사법인 충격공진법의 유용성과 적용 한계를 살펴보기 위하여 실험 및 이론적 연구를 수행하였다. 실험적 연구를 위하여, 다양한 개재물이 포함된 콘크리트 슬래브 공시체를 제작한 후 충격공진법을 적용하여 개재물의 존재 및 매실 위치를 찾아보았다. 공시체들 중 몇 경우에는 개재물의 위치를 정확하게 검출할 수 있었으나, 나머지의 경우에는 검출하지 못하였다. 후자의 경우에 있어서 그 실패 원인을 규명하고, 나아가 본 기법의 유용성을 결정하는 주요 인자들을 알아보기 위하여 유한요소 해석을 수행하였다. 본 연구는 충격공진법의 물리적 이해 증진과 향후 발전에 기여할 것이다.

• Journal of Korean Neurosurgical Society
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• 제30권10호
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• pp.1182-1186
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• 2001

Objectives : MR fluid-attenuated inversion recovery(FLAIR) image uses paired long inversion time and relaxation time that nulls the signal from CSF. With nulling of the CSF long echo time readout could be used to increase T2-weighting, hence improving the conspicuousness of most tissue lesions without the deleterious effects of CSF artifact seen on T2 weighted sequence. We examed the usefulness of FALIR image in the diagnosis of mild head injury. Methods : A total of 38 patients with mild head injury were examined by FLAIR image. We compared those images with CT scan and T1, T2-weighted images. Careful observation of MR images were done by two well-trained neuroradiologists. Each image was compared for conspicuousness and detectability of traumatic lesions might have shown abnormal signal intensities. The Wilcoxon signed ranks test was used for statistical evaluation. Results : The FLAIR image was significantly more sensitive than those of other images(p<0.001). T2 FFE(Fast Field Echo) image was more useful for detection of small petechial hemorrhages. Conclusion : FLAIR image is considered to be more sensitive than those of conventional MR images in the evaluation of mild head injuries.

• 대한기관식도과학회지
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• 제4권1호
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• pp.43-51
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• 1998

Background： Three-dementional imaging with spiral CT(3D spiral CT) is a well established imaging modality which has been investigated in various clinical settings. However the 3D spiral CT in upper airway disease is rarely reported and its results are still obscure. Objectives： To access the usefulness of 3D spiral CT imaging in patients with upper airway diseases. Materials and Methods We performed 3D spiral CT in fourteen patients In whom upper airway diseases were clinically suspected. Nine of these patients had upper airway stenosis, two had laryngeal cartilage fracture, and three had laryngo-hypopharyngeal cancer. For evaluation of location and extent of the lesions, we compared the findings of 3D imaging with those of air tracheogram, conventional 2D CT images, endoscopic and operative findings. Results： In case of stenosis, 3D spiral CT provide significant useful information, particularly the site and length of the stenotic segment. But, it was difficult to define the fracture of the laryngeal framework and to detect the cartilagenous invasion by head and neck cancer using the 3D imaging. Conclusion : The 3D spiral CT was an useful adjunctive method to assess some kind of upper airway disease but not in others. So, we should compare the findings of 3D images with those of other diagnostic tools for accurate diagnosis of the upper airway disease.

• Annals of Clinical Neurophysiology
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• 제14권1호
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• pp.25-28
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• 2012

Background: Bell's palsy is the most common disease of cranial nerve. While most electrodiagnostic tests can detect the abnormality of facial nerve several days later in Bell's palsy, blink reflex usually reveals the abnormality earlier than other tests. Therefore, we investigated the diagnostic usefulness of blink reflex in the early stage of Bell's palsy. Methods: We performed a prospective investigation in patients with facial palsy. We enrolled patients with Bell's palsy who were evaluated within 7 days of symptom onset and excluded patients with secondary causes of facial palsy. We analyzed the findings of blink reflex according to age, sex, evaluation time, and severity of facial palsy. Results: Of 320 consecutive patients with facial palsy, a total of 204 patients were enrolled. Blink reflex was normal for 10 patients and abnormal for 194 patients. The time interval between the symptom onset and the evaluation time was not associated with the result of blink reflex, but House-Brackmann grade was significantly related to the result of blink reflex (P<0.001). Patients with mild Bell's palsy often showed normal blink reflex. Conclusions: Our study shows that blink reflex is useful diagnostic test regardless of evaluation timing in the early stage of Bell's palsy, although it could be normal in patients with mild Bell's palsy.