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김은희,김철규,이순교,김순덕,이혜옥,권정순,이경미,이민미,심순미,유용만,신종식,강은희,이상일,김병식,오성태,육정환,박수길 한국의료QA학회 2003 한국의료질향상학회지 Vol.10 No.2
Background : Gastric cancer is the most common malignant tumor in Korea. surgical operation is one of the major treatment modalities for gastric cancer patients. Therefore, gastrectomy is one of the most common procedures in General Surgery. There were variation in length of hospital stay and medical treatment for gastrectomy between three surgeons at Asan Medical Center. Clinical pathways have received considerable attention as a tool for recucing the medical practice variation, increasing the efficiency of care process, and improving the quality of care. The aim of this study was to evaluate the effect of a clinical pathway for gastrectomy in gastric cancer patients. Methods : The clinical pathway for gastrectomy was developed and implemented by a multidisciplinary group in Asan Medical Center. A computerized clinical pathway program was developed and revised after a pilot test. A total of 145 patients underwent gastrectomy by three surgeons at Asan Medical Center. We compared the length of hospital stay, patient satisfaction, and unplanned readmission rate between the pre-pathway group(n=67) and the post-pathway group(n=78). We also investigated the degree of satisfaction among the physicians and nurses who were main end-users of the clinical pathway. Results : The clinical pathway was applied to all target patients. The average length of hospital stay was shortened from 12.7days to 10.6days(p<0.01). The degree of patient satisfaction with the care process changed from 90.3% to 89.2% after the implementation of the clinical pathway, but the difference was of satistically significant(p=0.761). Unplanned readmission rate was 2.9% in the pre-pathway group. More than 90% of physicians and nurses answered that the clinical pathway had been a useful tool in their medical practice. Conclusions : The findings of the study demonstrated that implementation of the clinical pathway for gastrectomy produced substantial reduction in the length of hospital stay while improving the quality of patient outcomes. The computerized clinical pathway program can be used as one of the powerful patient management tools for reducing the practice variations and increasing the efficiency of care process in Korea hospital settings.
배미경 계명대학교 생활과학연구소 2001 科學論集 Vol.27 No.-
This study examine changes in economy status of retailers with self-employed and provide policy analysis for enhancing their market competition. Discount store such as E-mart, become more popular and having more market power compare to small business, and department store. However, the number of employee in retail industry, especially in small business, has grown under the economy depress because the entrance of market is much easier than larger company. To support the economic growth of Daegu, policy makers need to support those retailers with self-employed by relating a kind of education program and financial sources. The results of study leads us to suggest the ways how those small business families can survive in future and give the motives to develop new marketing strategies.
연령이 다른 흰쥐에 있어 칼슘의 섭취수준이 체내 지질함량과 효소활성에 미치는 영향
최미경 동아시아식생활학회 1998 동아시아식생활학회지 Vol.8 No.1
The purpose of this study was to investigate the effect of calcium intake on lipid contents and enzyme activities in rats of different ages. Lipid levels in serum and liver and GOT, CPK and LDH activities in serum were compared in rats of different ages(4 weeks and 10 months) that were fed various levels of calcium (50, 100, 200% of requirement) for 3 weeks. Body weight gain and feed efficiency ratio were significantly higher in young rats than in adults. Serum calcium level was increased by elevation of calcium intake levels in young rats. With increasing dietary calcium levels, serum cholesterol and triglyceride levels were decreased. Liver phospholipid and triglyceride levels in the high-calcium group were significantly lower than those in other groups. Serum GOT and LDH activities of adults were significantly higher in low-calcium group than those in adequate/high-calcium groups. However, serum CPK activity of adults was significantly higher in high-calcium group than that in low/adequate-calcium groups. The results of this study suggest that adequate calcium intake may have protective effects on the alteration of lipid and enzyme activity in rats.
일부 서울지역 여대생의 체질량지수에 따른 영양섭취 실태조사
최미경,최선혜 동아시아식생활학회 1998 동아시아식생활학회지 Vol.8 No.3
The purpose of this study was to evaluate the nutrient and food intake status in underweight female college students living in Seoul. 126 underweight(BMI <20) and 74 normal weight(20≤ BMI<25) students were asked for their daily food intake and eating habits by using 3-day food records and questionnaire. We analyzed the amounts of the nutrient intakes and food groups as the subjects. The mean of height and weight were 162.1㎝ and 49.0㎏ in underweight and 160.6㎝and 54.9㎏ in normal weight subjects. The mean energy, iron, and vitamin A intakes among the students were smaller than RDA for Koreans. The mean calcium(p<0.01), sodium(p<0.05), and vitamin B₂(p<0.05) intakes in underweight subjects were significantly higher than those in normal weight subjects. Total food intakes of underweight and normal weight students were 1235.8g and 1078.1g, respectively. The mean of the pulse group in the underweight was significantly higher than that in normal group(p<0.01). Frequently consumed food or dish items of the subjects were Kimchi, cooked rice, and milk. In the relation between BMI and dietary factors, the BMI was found to have a significant negative correlation with calcium intake(p<0.05), pulse intake(p<0.01) and eating habit score(p<0.01). Eating habit scores about quantity of food and lipid intake showed a significant difference between underweight and normal students.
梁美暻 건국대학교 중원인문연구소 1998 중원인문논총 Vol.18 No.-
This study explores the distinctive significance of the education based on face-to-face relationship between teacher and learner. Advances in telecommunications technology have greatly expanded the possibilities for improving the quality of learning. However, the prediction that the hypermedia would successfully replace the role of the teacher is somewhat dangerous. We become enammored with the sight of our own information: collected, stored, compressed, retrieved, transported, and returned back to us. We can be seduced into thinking that through this act alone, we have accomplished meaningful communication. But the nature of 'knowledge' is totally different with that of the 'information'. Because of the discriminative characteristics of the knowledge, such as structuredness, subjectiveness, and tacit aspects, the growth of the knowledge needs the personal relationship between teacher and learner. Teaching via face-to-face relationship is superior to others in respect that it can impart 'judgement' abilities in conjunction with conbeying 'information'. Futher, it can contribute more relevantly to the structural change of learner's experience owing to dynamic and personal communication.
김경신,김오남,이선미 全南大學校家政科學硏究所 1995 生活科學硏究 Vol.5 No.-
The purposes of this article are to find the general trends of unmarried men and women's mate selection conditions, to estimate the differences according to related variables and to analyze the effects of significant variables influencing on mate selection. The samples were selected from the unmarried 164 men and 235 women living in Kwang-ju. The major findings are as follows; 1. All scores of mate selection conditions were higher than medium. Especially in desirable spouse conditions, women's were higher than men's. Move valued spouse conditions were women's apperance, health, family background in men and all conditions in women. Women desired more similar and interactional conditions than men. 2. External and internal conditions were significantly different from age, work in men and age, father's and mother's age in women. Homogeneous and interactional conditions were significantly different from sex role attitude, premarital sexual experience in men and age, education, work, father's age, love necessity of marriage, sex role attitude, premarital sexual experience in women. 3. External and internal conditions were influenced by work in men and mother's and father's age in women. Homogeneous conditions were influenced by premarital sexual experience, necessity of marriage in men and age, premarital sexual experi-ence, necessity of marriage in women. Interactional conditions were influenced by sex role attitude, father's age in men and sex role attitude, education, work in women.
한경호,윤연미,양한춘 여수대학교 1998 論文集 Vol.13 No.2
전라남도 광양만 묘도 주변의 연안어장에서 1997년 2월부터 12월까지 6회에 걸쳐 소형 저인망을 이용하여 어획물을 채집하여 魚類 군집의 종조성 및 양적변동을 조사하였다. 채집된 어류는 총 8目 38科 56屬 66種 21,541개체, 175,330g 으로 농어目(Perciformes), 쏨뱅이目(Scorpaeniformes) 및 가자미목(Pleuronectiformes) 어류가 총 50種으로 전체 출현종수의 75.8%를 차지하였으며, 科別로는 망둑어科() 어류가 8種 出現하여 가장 많았다. 총 66種의 어류중 개체수는 주둥치(Leiognathus ruchalis), 전어(Konosirus punctatus), 멸치(Engraulis japonicus), 준치(Ilisha elongata), 실양태(Repomucenus valencinnei), 보구치(Argyrosomus argentatus), 및 청멸(Thryssa kammalensis)의 7種이 전 개체수의 95.4%를 차지하여 우점종으로 나타났다. 生體量은주둥치, 전어, 꼼치(Liparis tanakai), 숭어(Mugil cephalus), 준치, 보구치, 문절망둑(Acanthogobius flavimanus), 멸치, 쥐노래미(Hexagrammos otakii) 및 실양태의 順으로 이들 10種이 全生體量의 86.1%를 차지하여 우점하였다. 출현 개체수와 생체량은 고수온기인 봄과 여름에 높게 나타났으며, 저수온기의 가을과 겨울에 낮게 나타나 수온과 밀접한 관계가 있었다. 월별 출현종수는 수온이 낮은 2월과 높은 8월에 각 19種과 20種이 出現하여 적었고, 수온이 상승하기 시작한 4월에 37種으로 가장 많았다. 종다양도지수는 0.460∼1.833으로 2월에 가장 높았으며, 6월에 낮았다. 주요 魚種의 出現頻度는 주둥치, 전어, 준치 및 실양태가 年中 出現하여 본 해역에 우점하는 주거종으로 나타났다. To determine seasonal fluctuations in abundance and species composition, fish samples were collected by a bottom trawl from February to December 1997 off Myo-do in Kwangyang Bay. A total of 21,541 fishes were sampled and indentified into 66 species, 38 families and 8 orders. Of the eight orders, Perciformes, Scorpaniformes and Pleuronectiformes accounted for approximately 75.8% of the fish fauna in this area. Gobiidae was dominant representing 8 species. Of 66 species identified, Leiognathus nuchalis, Konosirus punctatus, Engraulis japonicus, Ilisha elongata, Repomucenus valenciennei, Argyrosomus argentatus and Thryssa kammalensis accounted for 95.4% of the individuals collected. Leiognathus nuchalis, Konosirus punctatus, Liparis tanakai, Mugil cephalus, Ilisha elongata, Argyrosomus argentus, Acanthogobius flavimanus, Engraulis japonicus, Hexagramus otakii and Repomucenus valenciennei constituted 88.1% of the total biomass. Fish fauna in both number and biomass were higher in spring and summer, than other in autumn and winter. A peak abundance of total fishes occurred in April: the following abundance July: the lowest abundance in February. The number of species showed some significant seasonal variations however, a larger number of individuals and greater biomass was observed from July to August than October to the next February.
이경원,김은미,권민철,김용,이재열,박홍준 동아대학교 기초과학연구소 2000 基礎科學硏究論文集 Vol.17 No.1
본 연구에서는 emitter와 collector 사이의 간격과 current density 대 electric field (J-K)특성을 초점으로 카본나노튜브의 전계방출 특성을 조사하였다. 카본 소스로 CH4, 촉매 및 희석가스로서 NH3를 사용하고 HFCVD를 이용하여 실리콘 위에 카본나노튜브를 성장하였다. 나노튜브의 지름이 20-40nm이고 길이는 15㎛이다. I-V곡선에서 onset voltage는 Vons=3.36V/㎛이고, 2.5V/㎛ 의 전기장에서 8mA/cm2이상의 높은 전류밀도 특성을 보였다. Fowler-Nordheim 그래프를 그려서 팁의 특성을 나타내는 β값을 계산하였다. We report the field emission properties of carbon nanotube, focusing on current density versus electric field (J-F) characteristics and the spacing between the emitter and collector. We grow carbon nanotubes on sillicon using hot-fillament chemical vapor deposition, using CH4 gas as the carbon source and NH3 gas as the catalyst and dilution gas. Nanotubes are distributed from 20 to 40nm in diameter and 15㎛ long. Onset field of the field emission is 3.36V/㎛ and the current density is 8mA/cm2 at an electric field of 2.5V/㎛. A Fowler-Nordheim plot was made. Field enhancement factor β is calculated.