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이춘근,( Eun Sun Kim ),( Sang Hoon Lee ),( Yeon Joo Lee ),( Jong Sun Park ),( Ho Il Yoon ),( Jae Ho Lee ),( Choon-taek Lee ),( Young-jae Cho ) 대한결핵 및 호흡기학회 2017 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.124 No.0
Background: Traditionally, simple chest x-ray (CXR) is the most frequent radiologic investigation performed on patients in intensive care unit (ICU) even though its questionable clinical value. Instead, the frequency of computed tomography (CT) has remarkably increased, however, there are also critical risks of CT, such as patient’s safety during transportation and contrast dye induced nephropathy, especially in patients with acute respiratory failure. We investigated the clinical benefits and risks of CT for acute respiratory failure. Methods: We retrospectively reviewed 81 CT cases of 48 patients from December 2015 to February 2017. We defined the clinical benefits as CT would change the clinical management or would exclude possible diagnosis and the clinical risks as there was no clinical management change after CT but patients had increased oxygen demand or increased critical medications during transportation, also occurrence of acute kidney injury. Results: There were 55 (67%) cases of clinical benefits in 81 CT (change the management: 25, exclusion of the possible diagnosis: 27, continue the management: 3) The ratio of change the management to no clinical management change was 25:26. On the other hands, there were 27 (32.1%) cases of clinical risks. There were 68 transportations for 81 CT, in which transport problem occurred 3. Acute kidney injury also occurred 3 of 57 CT using contrast. Conclusions: The real clinical values of CT would be considered in ICU patients with acute respiratory failure weighting their benefits and risks.
이춘근,( Eun Young Heo ),( Deog Kyeom Kim ),( Hee Soon Chung ),( Jung-kyu Lee ) 대한결핵 및 호흡기학회 2018 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.126 No.-
Background: Corticosteroids have been used as adjunctive therapy in patients with sepsis, but, there are limited data on its role in treatment of patients with severe acute respiratory infection (SARI). We aimed to evaluate clinical effect of systemic corticosteroids on treatment outcome in patients with SARI. Methods: We conducted a retrospective study for adult patients who met the criteria of SARI and admitted to a tertiary care hospital in South Korea. Prescription status of adjunctive steroid therapy and clinical outcomes of SARI were reviewed. Primary outcome was in-hospital mortality according to steroid therapy. Secondary endpoints were intensive care unit (ICU) mortality and hospital/ICU length of stay (LOS). Results: From Jul 2016 to Dec 2016, of 270 patients hospitalized with SARI, 101 patients (37.4%) received the steroid therapy. Patients finally diagnosed as pneumonia was 246 (91.1%), and the most common cause of steroid use was acute exacerbation of chronic obstructive pulmonary disease (21.9%). The mean duration of steroid use was 7 days, and the mean dose was 47.5 mg/day as a methylprednisolone equivalent. Steroid user group showed significantly lower in-hospital mortality (HR, 0.75; 95% CI, 0.58-0.97, P=0.027) and shorter hospital LOS (β±SE, -2.68±0.90; P<0.003) compared with non-steroid user group. ICU mortality and LOS did not differ according to the steroid use. Conclusions: In patients with SARI, the adjunctive use of systemic corticosteroid significantly reduced in-hospital mortality and hospital LOS.
이춘근,황유진,박제권,Lee, Choon Geun,Hwang, You Jin,Park, Jae Kweon 한국해양바이오학회 2014 한국해양바이오학회지 Vol.6 No.2
This study was investigated the antimicrobial activity of glutaraldehyde cross-linked glucosamine. Glutaraldehyde was used as a cross-linker which specifically combines an amine-group of molecules. To optimize the mixing ratio of glutaraldehyde and glucosamine, mixing ratio was set up 1:1, 2:1, 3:1 and 0.5:1 in molarity, respectively. The optimum mixing ratio of glucosamine and glutaraldehyde was found to be 3:1 using thin layer chromatography based on the production of complex. Glucosamine-glutaraldehyde cross-linked complex (Ggcc) revealed significant antimicrobial activity toward PWG than F1, both microbial strains were isolated from porcine semen as antibiotics resistance bacteria (ARB). These results clearly demonstrate that Ggcc has potential bactericidal activity toward ARB in porcine semen.
이춘근,Lee, Chun-Geun 한국과학기술정보연구원 2002 지식정보인프라 Vol.11 No.-
본 글에서는 90년대 북한의 전반적인 학술활동 추세를 간단히 살펴본 후, "기술혁신"을 중심으로 각 산업분야별, 기관별 논문투고 동향을 상세히 분석한다. 이를 통해 90년대 북한의 산업동향과 연구계 동향을 살펴보고 우리에게 주는 시사점과 정책대안을 간단히 모색한다.
이춘근,Lee Choon-Geun 한국공학교육학회 1998 공학교육연구 Vol.1 No.1
This thesis examined the main revolution trend of Chinese engineering education system which is closely related to the demand of the industrial world. The reasons for which China tried to revolutionize engineering education were as follows ; firstly, the lack of high-qualified and professionalized man power in the industrial world. Secondly, the rupture in the age structure and thirdly, graduate students' insufficient ability to adapt to the industrial companies. These situation had been influenced by professional education after the fashion of the Soviet Union and the Cultural Revolution. Thus, since 1980s, government have extended man power supply through various ways and maintained equilibrium between supply and demand within the industrial world. Also, government began to retrian the existing engineers, magnify the regular number in college students of science and engineering and treat an experienced man favorably in graduate schools. The State Education Commission leaded in searching for the ways to train engineers and testing the master of engineering training system. As an essay at reform, many attempts will be tried ; bringing-up excellent students, the system of multi-degrees, field work, bachelor-master integration management, the system of master and doctor by thesis, strengthening educational-industrial cooperation, experimental school, adult school, and local school. Until 21c to come, this trend will be accelerated on. 산업계 수요에 따른 중국 공학교육의 주요 개혁 동향들을 고찰하였다. 중국 공학교육 개혁의 추진 배경은 소련식의 전문교육과 문화대혁명의 영향으로 산업계의 고급 기술자가 부족하고 연령상의 단절이 있으며 졸업생들의 현장 적응력이 부족했기 때문이었다. 이에 따라 80년대부터 다양한 경로를 통해 산업계 수요에 맞는 신규 인력의 공급을 확대하고 기존의 산업계 기술자를 재교육하기 시작하였다. 이공계 대학의 입학 정원이 크게 증가하였고 대학원 입시에서 실무 경험자를 우대하는 정책을 실시하였다. 국가 교육위원회 주도로 산업계 수요에 맞는 고급 기술자의 양성 경로를 탐색하고, 이를 토대로 산학 협동의 공정석사 양성 방안을 실험하였다. 공과대학의 주요 개혁 동향으로는 우수학생의 양성, 복수 학위 제도, 현장 실습 강화, 학. 석사 통합 운영, 논문 석. 박사 제도, 산학 협동 인력 양성, 실험 대학, 성인 대학, 지방분교의 운영 등이 있다. 21세기를 앞두고 이러한 개혁 동향이 더욱 가속될 것이다.