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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.
洪淳德,金鍾國 慶北大學校 1982 論文集 Vol.33 No.-
A Thermophilic bacterium which produced proteolytic enzyme potently was isolated through the nightsoil composting process. Culture conditions for protease production, purification of protease and some properties of purified enzyme were investigated. Results are as follows. Optimal temperature and moisture content for production of protease by this strain was 50℃, 60%, respectively. The quantity of enzyme produced by this strain was maximized in 24 hours culture. When cultural fluid was spurified by ammonium sulfate precipitation, dialysis. DEAE-cellulose and CM-cellulose, purification resulted in 218.2 fold increase in the specific activity with a recovery of 10.32% of original activity. The Km value for this enzyme was 12.2mg/ml. Optimal pH and temperature for enzyme activity were 9.0, 60℃, respectively, and the enzyme was most stable at pH 8. Of various metal salts, CuCl_2 promoted the enzyme activity to 21.6%, whereas HgCl_2 inhibited it to 86%. Theatment of EDTA showed no effect on enzyme activity, and this strain was similar to Bacillus licheniformis.
Periapical cemental dysplsia의 진단에 대한 치험례
이순영,이찬영,노병덕 大韓齒科保存學會 2005 Restorative Dentistry & Endodontics Vol.30 No.1
Periapical cemental dysplasia(PCD) is a condition most commonly seen in the mandibular incisor region. Radiographically it passes through the three phases(osteolytic stage, intermediate stage, and mature stage). At osteolytic stage, the lesion is similar to features associated with granuloma or cyst that arise following pulpal necrosis. So, it is important to confirm the vitality of the pulp to diagnosis. In this case, it is difficult to confirm the vitality of involved tooth because the tooth was covered with PFG bridge. And it is unusual that the PCD lesion at mandibular incisors has occurred at first and the lesion of mandibular canine and mandibular premolar were occurred afterward. 치근단 백악질 이형성증은 대부분 하악 전치부에서 발생하는 병소로 시간의 흐름에 따라 3단계의 독특한 방사선 사진상의 변화 양상을 보인다 (방사선 투과성기, 혼합기, 방사선 불투과성기). 특별히 1단계인 방사선 투과성기의 방사선 사진 상의 양상은 치수 괴사로 인해 발생하는 치근단 육종이나 치근단낭과 매우 유사하다. 따라서 이를 감별하기 위해서는 정기적인 방사선 사진 검사와 함께 치수의 생활력을 검사가 매우 중요하다고 할 수 있다. 하지만 본 증례에서는 해당 부위의 치아가 PFG bridge로 수복되어 있는 치수 생확력 검사를 정확하게 할 수 없었다. 또한 병소가 처음에는 하악 전치부에 발생하였으나 뒤이어 하악 견치와 소구치부에서도 연달아 발생한 특이한 소견을 보였다.
임덕순 釜山敎育大學 1970 부산교육대학 논문집 Vol.6 No.2
At the Seoul Seminar of Social Studies Teaching, September 1969, a pronouncement that the Concrete teaching methods based upon the combination of professional disciplines and instructional studies had to be developed was upheld by a member of the seminar. To meet this pronouncement and to equilibriate unbalanced outputs of studies of teaching contents are aims of this study. Twenty eights methods(approaches) derived from the "frame of reference" of areal and topical aspects in elementany school geopraphy curriculum are categorized and described according to the E. B. Wesley's mechanism of arrangement as follows: 1. Methods based upon the approach to social realities. a. methods based upon field work (1) School-yard approach (2) Neighborhood approach (3) Community-study approach (4) Excursion method (5) Journey method b. Methods based upon indoor work (1) Documentary approach (2) Graphic-representation method (3) Specimen approach (4) Vicarious-learning approach 2. Methods based upon organization of materials. a. Expanding-environment approach b. Sample-study approach c. Comparative-study approach d. Historical approach e. Current-geographical approach 3. Methods based upon teacher purpose a. Model training b. Memoriter study c. Reinforcemental-process approach 4. Methods based upon pupil purpose a. Inquiry method b. Socialized recitation C. Dramatized method 5. Methods based upon the degree of independence of thought a. Inductive approach 6. Methods based upon physical senses a. Picture-study approach b. Musical approach 7. Methods associated with basic concepts of geography a. Man-land approach b. Topical approach c. Systematic approach d. Factual approach e. System-analysis approach Each method has advantages and weakness in the different teaching-learning situations. Geography teachers must try to direct students to the fundamentals and key points of geography and to develop geographic contents from simple examples to complex and various knowledges. These are the general and meaningful cautions in teaching of geography. It is valuable for the teachrs and researchers to have many repertories of methods. The future studies of this field ought to be oriented to more theoritical, concept-centered, mathematical, inquiring, and discipline-centered methods or approaches. The author expects many critiques to this paper of geographers and professional students of geognaphy teaching.
洪淳德,金鍾國 慶北大學校 1981 論文集 Vol.31 No.-
大邱地域의 공업단지 및 하천의 폐수와 汚泥로 부터 Pb, Zn, Hg에 내성을 갖는 균주를 분리하여 이들 균주를 동정한 결과 Pb, Zn, Hg내성군주 (H-1, H-2, H-3)는 각각 Staphylococcus aureus, Bacillus alvei, Pseudomonas mendocina 혹은 그 類綠菌으로 추정되었다. Pb, Zn은 500ug/㎖ 농도까지는 生育에 영향이 없었으나 그 이상의 濃度에서는 生育이 지연되었으며 Zn의 경우는 1000ug/㎖ 농도에서 5시간 以後부터 증식이 可能하였다. Hg내성균주는 100ug/㎖ 濃度에서도 현저하게 生育이 지연되었다. 또 이들 각균은 1800ug/㎖의 pb, 1100ug/㎖의 Zn, 400ug/㎖의 Hg까지 生育이 가능한 균주로서 Pb 또는 Zn 100ug/㎖의 농도에서 24시간(30℃) 배양한 건조균체에 각각 154.1㎎의 Pb, 70.5㎎의 Zn이 축적되었다. Three resistant strains against Lead, Zink, and Mercury were screened from amongst the microorganisms isolated from the sewage of Taegu industrial area and Dalseochen, which were identified as a Staphylococcus aureus, Bacillus alvei, Pseudomonas mendocina, respectively. The tolerant strains against Pb or Zn respond well in the 500ug/㎖ of Pb or Zn, but the growth was highly decreased in the higher concentrations. The Zn tolerant strain took 5 hours as a lag phage at 1000ug/㎖. The growth of Hg tolerant strain markedly decreased in 100ug/㎖ of Hg. Each of these strains could tolerate the concentration of 1800ug/㎖ of Pb, 1100ug/㎖ of Zn and 400ug/㎖ of Hg. 154.1㎎/g Pb and 70.5㎎/g Zn could be recovered from each of the tolerant strains dried at 105 C, 24 hours after culturing in the media containing 100ug/㎖ of Pb or Zn at 30℃ for 24 hours.
Bacillus licheniformis에 의한 Alkaline Phosphatase의 生成 및 그 酸素의 特性
洪淳德,河相哲 慶北大學校 1984 論文集 Vol.37 No.-
Optimum culture condition of Bacillus licheniformis for the production of alkaline phosphatase and some properties of the partially purified enzyme were investigated. The production of alkaline phosphatase was at best when the culture medium contained 0.2% fructose, 1.5% neopeptone, 0.2% (NH_4)_2SO_4, 0.2mM K_3PO_4, and 10mM MgCl_2 at a initial pH of 9.0. The enzyme was purivied by ammonium sullfate fractionation and DEAE-cellulose chromatography. The specific activity at the partially purified enzyme was 250 times higher than that of the crude extract and the yield was 10%. The enzyme showed a optium pH of 9.0 and was stable in the range of 8.0-9.5. It had a optimum temperature of 60℃ and was also thermostable retaining 85% of it's activity when exposed to 60℃ for 30 min. The enzyme activity was promoted in the presence of Mg^++ and Co^++ but inhibited in the presence of Hg^++. Km value of the enzyme was determined to 0.1 mM with p-nitrophenylphosphate at pH 9.0
광합성 세균에 대한 연구 : II. 야생형 Rhodos pirillum rubrum에 의한 수용성 색소의 생산
오덕철,이현순 제주대학교 1984 논문집 Vol.17 No.-
1. Korean strain of wild type of Rhodospirillum rubrum excretes water-soluble pigments into the medium when grown anaerobically under light. 2. The absorption spectrum of the supernatant medium shows peaks at 392.5 (main peak), 500,535 mp together with shoulders at 370, 555 mp. 3. Water-soluble pigments show pinkish-orange fluorescence under short-wave ultraviolet light. 4. The optical density of the supernatant medium increases markedly with time when aerated under dark, room temperature. 5. The culture of R. rubrum shows no distinct differences in the excretion of water-soluble pigments when cultured in orthophosphate or pyrophosphate medium as inorganic phosphate source. 6. It is postulated that the water-soluble pigments excreted by the wild type of R rubrum are mixture of a few kinds of porphyrins.
獨島의 政治地理學的 考察 : 그의 所屬과 機能에 대하여
任德淳 釜山敎育大學 1972 부산교육대학 논문집 Vol.8 No.1
The aims of this article are to find out the political geographical validities of Dok-Do ialands' belonging to Korea and to discuss the functions, practical and potential, of the islands. The belonging of the islands to Korea is reasonable because its distance to Ullung-Do island, the nearest inhabited one of Korea, is shorter than that to Oki island, the nearest inhabited one of Japan. Judgment of the belonging of an island from the distance not to mainlands but to the nearest inhabited islands of the two states concerned is right in the viewpoint of human geography. And more, the relationships or interactions between two given points faced most nearly each other may be more deeply linked than the others. This theory is generally accepted. In the case of Dok-Do islands, the relationships or interactions between Ullung-Do island and Dok-Do islands have been frequent through ages, and even present days this is true as well. The belonging to Korea is also reasonable because the sea in the vicinity of Dok-Do islands and the islands itself are the historic waters and the historic islands respectively of Koreans. The historic waters and the historic islands should belong to the state which have taken the possession of history in his people's activities on that waters and islands. This is a commonsense in political geography. Dok-Do islands itself has several functions, practical and potential, for Korea and his vicinal states. The islands can be a wonderful base on the East Sea (Sea of Japan) for fishery, and may be a point d'appui for widening political power of a state, Korea or Japan. The islands also has a big symbolic meaning for Korea, and has a lot of values for being used as a strategic forward base or a strategic air base. These potentialities can be realized by the strong national power (technology and wealth) of the state concerned. In the aspects of transportation and trade, the islands is possible to conform his function of nodal point in East Sea. A habour in Dok-Do islands can easily be connected those of Japan and U. S. S. R. And finally the islands can be determined as a territorial (or earth) base in demarcation of jurisdictional limits on East Sea. Therefore, the question of populating of inhabitants is worth being gradually considered by the Korean government.
박순덕,박명숙 한국 가정과 교육 학회 1999 한국가정과교육학회지 Vol.11 No.2
The purposes of this study are (1)to research the purchasing, comsumption and disposing skill of adolescents and related variables and (2)to provided some information about the consumer education program and policy for adolescents. The survey of this study was conducted using questionnaires. The data used in this study included 649 adolescents in Phohang. The statistics used for data analysis were frequency distribution, moan, standard deviation, analysis of variance(ANOVA) with Scheffe'-test, T-test. Multiple Regression Analysis, using the SPSS Win program. The results of this research were as follows : 1) Purchasing skill was different significantly according to sex, grade, mother's educational level, the degree of keeping an account book, the degree of checking after using the pocket money, interest on the contents related with consumer's daily life and communication about consumption with their friends and parents. Consumption skill was different significantly according try grade, amount of pocket money, the degree of keeping an account book, the degree of checking after using the pocket money. interest on the contents related with consumer's daily life and communication about consumption with their parents. Disposing skill was different significantly according to grade form of school amount of pocket money, the degree of keeping an account book, the degree of checking after using the pocket money, interest on the contents related with consumer's daily life and communication a bout consumption with their parents. 2) The most influential variable elf purchasing, consumption & disposing skill was communication about consumption with their parents' and 'the interest on the contents related with consumer's daily life' respectively.
황덕순 全南大學校家政科學硏究所 1995 生活科學硏究 Vol.5 No.-
This study aims to investigate the price distresses of urban households and to search the influencial variables on the price distresses for suggesting desirable overcoming ways. 531 households in Kwangju were analyzed and some statistical methods were used to test. Respondents felt price distresses in subjectively more than in objectively more than in objectively. Some related variables were revealed as significant.