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조기목적지향치료(Early Goal Directed Therapy, EGDT) 적용 환자의 예후 예측 도구로서 중증도 점수체계의 효율 평가
윤인기,김선욱,유제성,박유석,박인철,정태녕 대한응급의학회 2010 大韓應急醫學會誌 Vol.21 No.5
Purpose: Mortality in emergency department sepsis (MEDS), sepsis-related organ failure assessment (SOFA),multiple organ dysfunction score (MODS), and serum lactate levels have shown their efficacy in the early detection of patients with a bad prognosis. However, those studies did not consider differences in treatment protocols and could not rule out the interference of these differences in treatment modalities. Hence, we aimed to assess the performance of MEDS, MODS, SOFA, and serum lactate levels for predicting a bad prognosis in patients scheduled for identical, standardized treatment protocols, EGDT. Methods: Medical records of patients who visited a tertiary level teaching hospital and were enrolled in an EGDT program between October 2009 and May 2010, were retrospectively reviewed. MEDS, SOFA, and MODS scores were calculated and recorded along with serum lactate levels. Receiver operating characteristics (ROC) curves of those predictors of mortality were plotted, Bivariate correlation analyses with overall lengths of admission and ICU lengths of stay were done for surviving patients. Results: None of the diagnostic methods (serum lactate level, MEDS, SOFA, MODS) showed a significant difference on ROC analysis (p=0.819, 0.506, 0.811, 0.873,respectively). Bivariate correlation analyses of MEDS,SOFA, MODS and overall lengths of admission showed significant results (p=0.048, 0.018, and 0.003, respectively. Pearson correlation coefficients were, 0.263, 0.312, and 0.381). Only MEDS showed a significant correlation with intensive care unit (ICU) length of stay (p=0.032, Pearson correlation coefficient = 0.332). Conclusion: Neither MEDS, SOFA, MODS, nor serum lactate level can predict mortality in EGDT-enrolled patients. MEDS may be correlated with ICU length of stay.
설계 환경 하에서 도어모듈의 슬램해석 및 해석 자동화에 대한 연구
전인기(In Ki Jun),최재민(Jaemin Choi),윤정업(Jeongup Yoon),김현우(Hyunwoo Kim),김창호(Changho Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
Recently, a CAD/CAE integrated system has been developed and it has been available to conduct CAE analysis based on the geometry. In the car developing process, always designer should control the geometrical parameters about the shape and the size to obtain the optimal solution, the CAE module based on the CAD system allows a designer can parameterize the shape and the size design factors and take the result rapidly just as changing the geometry and solving the update CAE model on that CAD system. In this paper, the slam analysis of door module was conducted using a CAD/CAE integrated system. The shape and size factors of door module are parameterized and the analysis models are generated automatically and solved as the DOE plan.