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포항지역에서 발생한 무균성 뇌막염 환아의 역학적 양상 연구 : 1997~2002
김석헌,배순호,정해관,정철,이선주,고준태,김문규,정은영,Kim, Seog Heon,Cheong, Hae-Kwan,Jung, Cheoll,Lee, Seonju,Ko, Joon Tae,Kim, Moon Kyu,Jeoung, Eun Young,Bae, Sun Ho 대한소아감염학회 2003 Pediatric Infection and Vaccine Vol.10 No.2
목 적 : 1997년부터 2002년까지 6년 동안 포항지역에서 발생한 무균성 뇌막염의 역학적 양상을 연도별로 비교하고 누적발생률을 확인하여 추후 무균성 뇌막염의 전파양상 규명과 예방에 기초자료를 제공하기 위해 본 연구를 시행하였다. 방 법 : 1997년부터 2002년까지 포항지역 3개 종합병원에 무균성 뇌막염으로 1일 이상 입원한 15세미만 환아 중 소아과 전문의와 전공의의 의무기록지 검토를 통해 확인된 1,750명을 대상으로 역학적 발생양상을 조사하고, 누적발생률을 산출하였다. 결 과 : 전산기록으로 확인한 환아의 95.2%(1,750명 : 남아 1,078명, 여아 672명)를 무균성 뇌막염으로 확인하였다. 6개년도 모두 남아가 여아보다 많았으며(1.6 : 1), 1997년에 464명이 발생한 이후 발생수가 감소하였다가 2000년 이후 다시 증가하여 2002년 648명으로 가장 많이 발생하였다. 발생월별 분포는 6월이 31.3%로 가장 많았으며, 5월부터 8월까지 4개월간 집중적으로 발생하여 전체 발생의 84.2%를 차지하였다. 증상 발현일부터 입원까지 걸린 기간은 0일에서 35일까지 다양하였으며, 평균 $4.19{\pm}2.96$(중앙값 3일)일이 소요되었다. 5일 이내가 1,417명(81.0%)을 차지하였다. 증상발현 당일 입원한 경우는 3명(0.2%)에 불과하여 증상이 진행된 후에 병원을 방문하는 것으로 확인되었다. 환아의 연령을 3단계로 구분하여 각 연도별로 인구 10만명당 누적발생률을 조사한 결과 각 연도마다 다발 연령군이 상이한 결과를 보였으며, 매년 특정 연령군 대에 환아가 집중하지 않는 것으로 확인되었다. 결 론 : 1997년부터 2002년까지 포항지역 3개 종합병원에서 입원 치료받은 무균성 뇌막염 환아의 역학적 양상을 조사하였다. 포항지역의 무균성 뇌막염 환아가 매년 지속적으로 보고되고 있으므로 원인을 규명하고 장기적인 예방대책을 수립하기 위한 연구가 계속되어야 할 것이다. Purpose : This study was performed to investigate the epidemiologic feature of aseptic meningitis in Pohang city for 6 years from 1997 to 2002. Methods : We reviewed the clinical records of 1,839(1,138 male and 701 female) aseptic meningitis patients who had been admitted to 3 general hospitals in Pohang city from 1997 to 2002. Results : 1,750 cases(1,078 male and 672 female) were selected as aseptic meningitis by reviewing clinical records. The ratio of male to female was 1.6 : 1. Aseptic meningitis occured in children of all age groups, and the prevalent age group was different by year. The most common developed month was June(31.3%), and 84.2% of cases were focused from May to August. The time from the initial manifestation to hospital admission was $4.19{\pm}2.96$ (median 3 days). Conclusion : We were performed to investigate the epidemiologic feature of clinical records of Aseptic meningitis pediatric patients who had been admitted and treated to 3 General hospitals in Pohang city from 1997 to 2002. We have to keep up Our study for consideration of the basic of Aseptic meningitis epidemiology and long term control is necessary to prevention the impact of Aseptic meningitis because Aseptic meningitis pediatric patients were continuously recorded by Epidemiological annual report in Pohang city.
김석헌(Kim Seok-Heon),김형인(Kim Hyung-In),정성윤(Jung Sung-Youn),김한도(Kim Han-do),박재현(Park Jaehyun) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
Recently, a high speed rail consists of many train coaches and power cars. For keeping the reliable train communication system with train coaches and power cars, train uses the OSI model(Open Systems Interconnection Basic Reference Model) and KTX(Korea Train eXpress) only uses the Physical to Transport layer of OSI model. This paper describes the analysis of CLNP(Connectionless Network Protocol) and ES-IS(End System to Intermediate System) protocols used in KTX for the network layer. CLNP is used to end data to other system and ES-IS protocol is used to route and send information between end systems and intermediate systems. Also this paper presents the protocol parsing program and implementation of Network layer.
김석헌(Seok-Heon Kim),김선영(Seon-Young Kim),배경렬(Kyung-Yeol Bae),김성완(Seong-Wan Kim),김재민(Jae-Min Kim),신일선(ll-Seon Shin),윤진상(Jin-Sang Yoon) 대한생물치료정신의학회 2012 생물치료정신의학 Vol.18 No.2
Background and Aims:Relatively few studies have explored the quality of life(QOL) in mild cognitive impairment (MCI) and Alzheimer’s disease(AD). This study aimed to compare the QOL in MCI with that in AD. Methods:24 normal controls, 29 mild MCI patients, 20 AD patients, and their caregivers participated. QOL was assessed using the Korean version of QOL-AD(KQOL-AD). Korean version-Mini Mental State Examination(K-MMSE), Activities of Daily Living(ADL), Clinical Dementia Rating(CDR), and Neuropsychiatric Inventory(NPI) were also used to assess the participants. Results:Both patient and caregiver-reported QOL scores of AD group were lower than those of MCI and control groups. However, there were no significant differences among the three groups in QOL(p=0.069, p=0.058). Patientreported QOL scores of all participants showed were significant negative correlations with ADL scores and NPI scores, but not with K-MMSE scores(r=-0.316, p=0.009 ; r=-0.349, p=0.010 ; and r=0.094, p=0.430). Caregiverreported QOL scores of all participants showed significant negative correlations with ADL scores and NPI scores, but not with K-MMSE scores(r=-0.369, p=0.015 ; r=-0.413, p=0.007 ; and r=0.147, p=0.341). Conclusion:Both patient-reported and caregiver-reported QOL scores of AD patients were not significantly different from those of MCI patients and normal controls. NPI and ADL scores were negatively associated with QOL, while K-MMSE scores were not. Thus, therapeutic strategies for behavioral and psychological symptoms of MCI and AD will be need to improve patient QOL.
김석헌(Seok-Heon Kim),한재문(Jae-Mun Han),박탄세(Tan-Se Park),조용기(Yong-Gee Cho) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.5
In this paper a simulator for Integrated Onboard Signalling System(IOSS) will be presented and illustrated. IOSS which is integrated with there signalling systems such as ERTMS/ETCS Level 1 ATP(Automatic Train Protection), ATC(Automatic Train Control) and ATS(Automatic Train Stop) is a signalling system for HEMU-400X(Highspeed Electric Multiple Unit - 400㎞/h eXperiment). HEMU-400X is under development as the next generation high-speed train in Korea. Before conducting a trial run of HEMU-400X with IOSS, we must carry out functional test of IOSS. The simulator is suggested in this paper for testing and verification of IOSS. The simulator can help to test all function of IOSS although a real train and trackside equipments are not existed. Also the simulator can make a fault in trackside equipment intentionally. In that scenario, we can figure out how IOSS handle emergency situations.