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- 저자 : 이종균(Jong (검색결과 163 건)
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이종균(Jong Kyun Lee),이풍렬(Poong Lyul Rhee),이준혁(Joon Hyeok Lee),이규택(Kyu Taek Lee),최성호(Seong Ho Choi),노재형(Jae Hyung Noh),김재준(Jae Jun Kim),고광철(Kwang Cheol Ko),백승운(Seung Woon Paik),이종철(Jong Chul Rhee) 대한소화기학회 1997 대한소화기학회지 Vol.29 No.1
N/A Backgroud/Aims: For many years, it has been thought that gallstone disease was relatively rare and pigment stone was prevalent in Korea. But a few recent studies showed that 60-70% of gallbladder stones in Korea were cholesterol stone. This study was designed to obtain a prevalence and risk factors for gallstone in Korea. Methods: A total of 5,126 persons undergoing routine health screening enrolled in this study. All persons were given a questionnaire about smoking habits, alcoho] consumption, parity, and present illness along with its history of management. Height and body weight were checked. They were examined using ultrasonography and hiochemical test such as lipid profiles and fasting blood glucose. Gallstone disease was defined as the presence of posteriorly shadowing, echogenic, movable structures within the gallbladder as determined by ultrasonography and a history of previous cholecystectomy due to gallstones. Chi-square test and stepwise logistic regression analysis assessed the risk factors for gallstone disease. Results: The prevalence of gallstone disease in Korean adults(above 20 years old) was 4.7% in men and 5.2% in women. The age-standardized prevalence was 3.1% and 3.4% respectively. Gallstone disease was more frequent in the older age groups(6.6% in the sixth decade, 12.2% in the seventh decade, and 20.4% in the eighth decade). Age, obesity, hypertriglyceridemia, and diabetes were risk factors for gallstone disease. Smoking, alcohol consumption, parity, and hypercholesterolemia including LDL-C did not differ significantly between persons with and without gallstone disease. Conclusions: The prevalence of gallstone in Korean adults are 3.1% in men and 3.4% in women. The risk factors for gallstone are age, obesity, hypertriglyceridemia, and diabetes. Further studies will be needed about the prevalence of gallstone disease in general population according to the composition of gallstone.(Korean J Gastroenterol 1997; 29:85-92)
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이종균(Lee Jong-Kyun),박성무(Park Sung-Moo) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(구조계)
The main material of wooden structures is wood, can be obtained easily in nature and higher strength per unit weight as well as eco-friendly and process of the manufacture has been superb. A weak point is Knots, while, cross grain, vermin by insects, fire and strength degradation due to fatigue and corrosion by deterioration. especially the deterioration of the wooden structure must be accompanied by appropriate conservation measures, because it is most the cultural assets. Conservation of wooden structure as possible, reuse the original repair itself, the consideration of the cultural value of attending to the basic principle is to maintain a archetype. Accordingly, the physical and chemical combined methods using a synthetic resins is emerging. A study on conservation methods using synthetic resins is only a short time. So former studies was the aspect of pure science to conserve, it is not that improvement of capacity using synthetic resins in wooden structures. Therefore, this study will confirm the possibility of usability in practice and an effect of reinforcement in compressive element possessed rectangular section. The results of the experiment, the compressive element with rectangular section rather than the direction of radiation in the direction of tangent reinforcement is more effective and less ratio of reinforcement is more effective. It is also effective on the total length of the element and adequate reinforcement is more efficient than new element.
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한국 사회복지지출의 변화 패턴과 항상성에 관한 탐색적 연구
이종균 ( Jong Kyun Lee ),조한진 ( Han Jin Jo ) 한국사회복지정책학회 2015 사회복지정책 Vol.42 No.1
본 연구는 한국이 국가체계의 불안정기에 조절과정을 통해 사회복지지출의 변화를 산출하여 안정을 추구하는 항상성을 설명하고자 하였다. 즉, 사회복지지출이 역동적으로 변화되어 국가체계의 균형을 유지하는 항상성의 자율조절 패턴을 분석하는데 그 목적이 있다. 분석 결과는 다음과 같다. 첫째, 단속점과 분포 패턴의 검증 결과, 사회복지지출의 변화에 있어서 34년 동안 수차례의 단속점을 볼수 있었고, 분포 패턴도 파동 패턴의 진동 추세를 보였다. 둘째, 정규성 검증 결과, 쌍봉 분포가 나타났으며 검증 기준에 따라 몇 차례의 이상치가 나타났다. 셋째, 점증성 검증 결과, 비점증적 변화 비율이 매우 높게 나타났다. 이러한 결과는 국가체계가 안정기에는 사회복지지출의 점증적 변화 패턴을 산출하고 위기상황에서는 역동적 조절과정을 통해 급격한 비점증적 변화 패턴을 평상시처럼 산출하면서 점증적 변화를 오히려 간헐적이고 예외적으로 산출하여 안정 상태를 유지한다는 것으로, 이러한 과정이 우연하거나 일시적 현상이 아니라 항상성의 변화 과정이라는 것을 보여주는 것이다. 이에 한국의 사회복지지출 패턴도 지난 34년간 항상성의 자율조절 패턴이었다고 할 수 있다. This study tried to explain homeostasis by which Korea sought stability by producing the change of social welfare expenditure through a regulating process in an unstable period of national system. The purpose of this study was to analyze the self-regulating pattern of homeostasis by which the balance of national system was maintained through a dynamic change of social welfare expenditure. Followings are the results of analysis. First, punctuation test showed that there were several times of punctuation for 34 years concerning the change of social welfare expenditure. Distribution pattern test showed the vibrational tendency of wave pattern. Second, normality test showed a bimodal distribution and several times of outlier according to test standards. Lastly, incremental test showed a very high rate of non-incremental change. These results show that the national system yields an incremental change pattern of social welfare expenditure at the period of stability, while in crisis the system maintains a stable state by yielding a drastic non-incremental change pattern as usual through a dynamic regulating process and by yielding an incremental change rather intermittently and exceptionally. This is not an accidental nor a transient phenomenon, but the change process in homeostasis. Therefore, the social welfare expenditure pattern in Korea can be seen as a self-regulating pattern of homeostasis for the last 34 years.
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이종균 ( Jong Kyun Lee ) 대한내과학회 2011 대한내과학회지 Vol.81 No.2
Antiplatelet drugs are associated with gastro-intestinal bleedings. Aspirin is one of most popular medicines for cardiovascular diseases. Endoscopic sphincterotomy (EST) has a high procedural risk of bleeding. However, there has been no evidence-based study about taking aspirin before and after EST. There are controversies in the guidelines from American Society for Gastrointestinal Endoscopy, British Society of Gastroenterology, and Japan Gastroenterological Endoscopy Society. Continuous intake of aspirin before EST is recommended in Western guidelines. To the contrary, 3 to 7 days cessation of aspirin before EST is needed according to Japan guidelines. Until a well-organized study make definite evidence, personalized approach is prudent to decide to stop or continue to take aspirin before and after EST. (Korean J Med 2011;81:190-192)
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이종균 ( Jong Kyun Lee ) 대한소화기학회 2007 대한소화기학회지 Vol.51 No.2
Pancreatic cancer has an extremely poor prognosis mainly because the diagnosis is made late. Therefore, screening and early diagnosis are essential ways to improve the patient`s survival. There is no cost-effective screening method in general population because pancreatic cancer is relatively uncommon. Some patients belonging to high-risk groups such as hereditary pancreatic cancer, familial pancreatic caner kindred, new-onset diabetes in eldery patients, can be targets of secondary screening. To date, multi-detector CT is the standard method for proper diagnosis of pancreatic cancer. EUS play roles for identifying small lesion and cytologic examination. Other modalities like endoscopic retrograde cholangiopancreatography (ERCP), MRI/MRCP, positron emission tomography (PET), or laparoscopy, can be used selectively for the diagnosis and assessment of resectability (Korean J Gastroenterol 2008;51:84-88)
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