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임채문,박관,권강훈,정만표 대구대학교 과학기술연구소 1998 科學技術硏究 Vol.5 No.4
In this study, the crosswalk at Hayaong-Yungchun arterial located in Kyungbuk province were chosen as the subject, and the reaction patterns of drivers were analyzed by the survey of the approach velocity of cars, know-reaction time and the geometric structure of crosswalk, and the substitute about the installation of pre-traffic signal at moderate distance for the prevention of the disturbing zone (dilemma zone, option zone) to drivers' pass-stop decision at the yellow-signal-situation was presented. The results are summarized as follows 1. The know-reaction time which is applied to the calculation of the yellow signal time is 1 second in korea generally, but the average time was 1.67 second and the standard variation was 0.38 second at 95 samples of the analyzing area. 2. The comparison between the calculation formula of the yellow signal time which is used in korea and the actual time has 1 second difference.
제2형 당뇨병 외래 환자의 비만도에 따른 미세혈관합병증
이성규,조남한,김현만,이관우,정윤석,채봉남,김윤정,이미덕,노혜림,홍은경,조현경 대한당뇨병학회 2000 Diabetes and Metabolism Journal Vol.24 No.1
Background: Korean type 2 diabetic patients who are frequently non-obese, may be genetically different from Western type 2 diabetics who are frequently obese. Therefore, the diabetic complications of type 2 diabetes mellitus in Korea may be also different from those of Western countries. Until now, most studies reported in Korea did not analyse the microvascular complications of type 2 diabetes mellitus according to obesity, and also the criteria in the diagnosis of microvascular complications were different in each study. We investigated the microvascular complications and its relationship with obesity, in type 2 diabetic patients visiting an outpatient clinic. Methods: The study subjects were type 2 diabetic patients visiting an outpatient clinic of Ajou University Hospital. We selected patients participating in a 75 g oral glucose tolerance test, retrospectively. Type 2 diabetes was diagnosed according to the WHO/NDDG classification of diabetes. Biochemical studies including lipid profile, plasma insulin and C-peptide levels were done. Anthropometric measurements were performed. Based on BMI (㎏/㎡), the patients were divided into the following groups: the lean group, when the BMI was less than 20 ㎏/㎡ the ideal body weight (IBW) group, if the BMI was between 20 ㎏/㎡ and 25 ㎏/㎡ in women and 20 ㎏/㎡ and 27 ㎏/㎡ in men; and the obese group, when the BMI was $gt;25 ㎏/㎡ in women and $gt;27 ㎏/㎡ in men. Results: 1. Neuropathy (45.2%) was the most frequent among the microvascular complications, and the frequency of retinopathy was 15.1%, and that of nephropathy was 4.9%. Within 5 years of diabetes duration, the frequency of neuropathy, retinopathy, and nephropathy was 43.2%, 11.8%, and 2.9%, respectively. 2. Glycosylated hemoglobin (HbA_(1c)) and fasting blood glucose levels were not different among the three groups. Beta cell function{Δ (insulin 30min - insulin Omin)/Δ(glucose 30min - glucose 0min)} was the highest in the obese group. However, beta cell function(ΔI/ΔG) divided by the basal insulin level, considered insulin resistance, was not different among the three groups. 3. Within 5 years of diabetes duration, retinopathy tended to be the most frequent in the lean group, whereas neuropathy tended to be the most frequent in the obese group, and body mass index influenced the retinopathy and neuropathy, statistically significantly. Conclusion: Diabetic neuropathy was the most frequent among microvascular complications of type 2 diabetes mellitus in our study subjects. At the time of presentation within 5 years of diabetes duration, the lean group of type 2 diabetics had a tendency of the more frequent retinopathy, the obese group had a tendency of the more frequent neuropathy. These results suggest that type 2 diabetes mellitus in Korea is also not a single disease entity, as in Western countries and is a heterogenous group of disorders with a diversity of microvascular complications. However, the more studies about this will be required.
사강호흡율이 증가된 환자에서 기관내 가스주입법(Tracheal Gas Insufflation)이 가스교환에 미치는 효과와 그 결정인자
임채만 ( Chae Man Lim ),정복현 ( Bok Hyun Jung ),고윤석 ( Youn Suck Koh ),이상도 ( Sang Do Lee ),김우성 ( Woo Sung Kim ),박평환 ( Pyung Hwan Park ),김동순 ( Dong Soon Kim ),김원동 ( Won Dong Kim ) 대한결핵 및 호흡기학회 1997 Tuberculosis and Respiratory Diseases Vol.44 No.1
패혈증환자에서 APACHE 3 Scoring System의 예후적 가치
임채만 ( Chae Man Lim ),이재균 ( Jae Kyun Lee ),이성순 ( Sung Soon Lee ),고윤석 ( Youn Suck Koh ),김우성 ( Woo Sung Kim ),김동순 ( Dong Soon Kim ),김원동 ( Won Dong Kim ),박평환 ( Pyung Hwan Park ),최종무 ( Jong Moo Choi ) 대한결핵 및 호흡기학회 1995 Tuberculosis and Respiratory Diseases Vol.42 No.6