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최정태,안무업,안희철,최영미,정재봉,서정열,유기철,이삼우,박석현,조준휘,김성환,김아진,송근정 대한응급의학회 2001 대한응급의학회지 Vol.12 No.4
Purpose : This study was conducted to develop field triage, transportation, distribution, and prehospital care at a fire disaster by analyzing the victims of the fore that broke out at a bar in Incheon. Method : We analyzed the cases of the victims of a fire in Incheon in Oct. 1999. We determined the primary care hospital, the arrival time, the burn size, the outcome, and the injury type from the medical records, the concerned organ records, and interviews with concerned persons. Result : The total number of victims was 137: 56 prehospital deaths, 1 hospital death, and 80 survivals. The Pearson correlation coefficient between the burn size and the severity was -0.175. There were 121(89.6%) cases of inhalation injury, 59 (43.7%) cases of flame burns, 66 (48.9%) cases of hypoxic brain damage, and 16 (11.9%) cases involving other types of injury. Conclusion : The causes of death of the fire victims were inhalation injury and hypoxic brain damage due to CO poisoning and other toxic inhalants. We propose the use of a simple triage and rapid treatment(START) system and a reassessment the delayed category in fire disasters.
광센서 조광제어시스템의 성능향상을 위한 조광용 전자식안정기 성능평가 연구
최안섭,정봉근 대한건축학회 2003 대한건축학회논문집 Vol.19 No.8
The daylight responsive dimming system, which uses daylight and automatically adjusts the light output of electric lighting according to the amount of daylight coming into the indoor luminous flux, a controller (including a control program) for initial calibration and dimming control of the system, and dimming electronic ballast for dimming electric lighting. This research has intended to improve accuracy of system performance by indicating the correlation between control voltage of a dimming electronic ballast and the resulting light output. The commercially available dimming electronic ballasts were tested. Then, through regression processes, the best-fitted equations were derived and compared to experiment results. The ratios of power consumption from different dimming level of electric lighting were measured. Based on such information, energy saving can be estimated when daylight responsive dimming system is applied.
20km와 150km의 도로싸이클 주행이 혈중 렙틴, 지질과 호르몬 수준에 미치는 영향
최용어,권봉안,오재근,김범수,조준용,김문희 한국체육대학교 체육과학연구소 2000 韓國體育大學校附屬 體育科學硏究所論文集 Vol.19 No.1
Serum leptin, glucose, lipid profiles (free fatty acid, triglyceride, total cholesterol) were determined in two groups of subjects undergoing long and short strenous cycle race, 8 men who fasted overnight and then pedaled 20km cycle race and 8 men, 150km cycle race, respectively, Blood samples were collected before race, immediately after cessation of race and 2hr, 6hr after the end of race period. Cyclist pedaling 20km cycle race and cyclist pedaling 150km cycle race showed no statistical differences in leptin level. After 6hr of rest, leptin concentrations were gradually decreased but showed no statistical different in both groups. Epinephrine (p〈.01) and norepinephrine (p〈.001) concentration in comparison to pre-race levels were increased significantly. But insulin concentration in comparison to pre-race levels were decreased significantly (p〈.001). Glucose (p〈.01), free fatty acid (p〈.001), cholesterol (p〈.001) and triglyceride (p〈.01) were increased immediately after cessation of race in both groups.
무정자증 환자에 있어서 고환내 Leydig 세포의 변화에 관한 초미세형태학적 연구
기근홍,문현준,최봉남 朝鮮大學校 附設 醫學硏究所 1993 The Medical Journal of Chosun University Vol.18 No.1
The Leydig cells are identified in a peritubular boundary area of the testicular interstitium. These cells are differentiated in situ from myoid cells within the boundary layer and invaded into the interstitial tissue at puberty. The materials for study consisits of twenty cases of azospermia with cryptorchidism confirmed by sperm analysis at Chosun University Hospital. All cases were performed by hematoxylineosin stain and PAS stain for detection of Leydig cells, and ultrastructural abservation for change of cytoplasmic organelles in azospermic patients. The results obtained are follows. The leydig cells in the interstitial tissue of azospermic testis forming large clusters and showing hypertrophic change. Within the cytoplasm, numerous dilated endoplasmic reticulum, disrrupted mitochondria and osmiophilic round bodies are seen. A few myoid cells within the boundary layer are hypertrophied and show an intermediate pattern between myoid cells and Leydig cells. There are unusual cells, either single or clusters, within the thickened boundary layer. They can be identified as Leydig cells similar to the ordinary Leydig cells in the interstitial tissue. This findings indicated that ordinary function of Leydig cells are intact, but it is thought that the decreased function may be due to damage of the testis in cryptorchidism.
대학생의 기본 심폐소생술 교육 평가 : 간호과와 비간호과를 대상으로
이정은,고봉연,이인모,최근명,박신일,안홍기 한국응급구조학회 2003 한국응급구조학회지 Vol.7 No.1
The purpose of this study was to evaluate the accuracy of CPR skills and the satisfaction of CPR Training targeted for college students. Also, this study made comparative study of nursing students and non-nursing students. The sample consisted of 248 students(132 nursing students, 116 non-nursing students). CPR Training was designed by two components which were a lecture and demonstration by one professor and individual practice 표 instructors. As tool of measurement estimation satisfaction of CPR Training questionnaires were developed based on educated contents. The accuracy of CPR skills were checked by SkillReporter CPR training manikin. Collected data were computerized and analyzed by SPSS-WIN program. The results were as follows : 1. The skills of CPR were cardiac compression 92.79 times/min, correct cardiac compression rate 90.85%, ventilation 9.93 times/min. correct ventilation rate 79.34%. 2. The mean of the accuracy of CPR skills were 2.94(SD .87). 3. When errors were analyzed, the highest item was stomach distension(51.2%) of ventilation skills and too little(70.6%) of cardiac compression skills. 4. The mean of the satisfaction of CPR training were 2.87(SD .17), the highest item of the satisfaction of CPR Training was practice. 5. We found significant statistical differences based on the accuracy and the error, non-nursing students were high in correct cardiac compression per minute(t=3.615, p=0...) and ventilation too much(t=4.292, p=.000), nursing students were high in correct ventilation rate(t=-3.885, p=.000) and cardiac compression too shallow) t=-2.842, p=.005).
New Faunistic Data of Tortricinae (Lepidoptera, Tortricidae) for the North Korean Fauna
Bong-Kyu Byun,Bong-Woo Lee,Kwan-Ho Bae,Jun-Keun Choi,Ha Yong Choi 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.10
The first record of the subfamily Tortricinae from North Korea was reported by Zhu (1969), comprising 17 species. Later Park and Byun (1991) added 11 species of the subfamily. And Park and Razowski (1991) added 16 species of the tribe Tortricini. Jaros et al. (1992) reported 11 species of Tortricinae from North Korea, based on the material Czech Academy of Sciences, Prague, Czech Republic(CAS). Byun et al. (1998) enumerated 350 species of Korean Tortricidae, citing 63 species of Tortricinae and 40 species of Olethreutinae from North Korea. Later Razowski (1999) provided a list of Korean Tortricidae with 176 of North Korea. Despite these studies, much of the North Korean Tortricidae deposited in the HNHM remained unstudied. Recently the first author examined the totricid material in the HNHM and reported 7 newly recorded species from North Korea (Byun et al., 2007). In the present study, we provide the faunistic information for ten species of Tortricinae, including their localities. This study was carried out under the support of Korea National Arboretum and Korea Forestry Research Institute.
Choi, Seok-Keun,Rhee, Bong-Arm,Park, Bong-Jin,Lim, Young-Jin The Korean Neurosurgical Society 2008 Journal of Korean neurosurgical society Vol.44 No.6
Hemifacial spasm induced by intracranial aneurysm is a rare clinical condition. A 45-year-old male patient presented with a 3-year history of progressive involuntary twitching movement on right face. On radiological study, a dilated vascular lesion compressing the brain stem was found at the junction of vertebral artery and posterior inferior cerebellar artery. On operative field, we found the posterior inferior cerebellar artery and the fusiform aneurysm compressing root exit zone of facial nerve. Microvascular decompression was performed and the facial symptom was relieved without complications.