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서국희,손현균,최상섭,이미경,이중서,최인근,방현숙,연병길 大韓神經精神醫學會 2001 신경정신의학 Vol.40 No.5
연구목적 : DSM-Ⅲ-R의 개정판이라기 보다는 새로운 진단 기준으로 간주될 정도였던 DSM-Ⅳ의 출현은 정신장애의 진단분류체계에 매우 큰 영향을 미쳤다. DSM-Ⅳ의 변화를 반영하여 정신과적 진단을 내릴 수 있도록 DIS-Ⅲ를 개정하여 DIS-Ⅳ가 개발되었다. 본 연구는 국내에서의 정신의학적 연구를 더욱 활성화하고 활발하게 국제 공동연구가 이루어질 수 있도록 DIS-Ⅳ 한국어판을 개발하고 이를 표준화하는 데 그 목적이 있다. 방 법 : 번역 위원회에서 번역, 역번역, 어의적 정확성 확인, 한국어 용법에 맞도록 수정한 후 예비 연구를 거쳐 한국어판 DIS-Ⅳ가 완성되었다. 의과대학생 4명에게 Washington University DIS-Ⅳ training course와 동일한 내용과 방법으로 교육을 실시하였다. 두 명의 조사요원들이 한 환자를 DIS-Ⅳ를 사용하여 동시에 검사한 후의 진단을 비교하여 검사자간 신뢰도를 측정하고, 정신과 의사가 독립적으로 DIS-Ⅳ를 사용하여 검사한 후의 진단과 비교하여 절차 타당도를 평가하였다. 조사 대상은 2000년 1월부터 8월까지 2개 대학 병원 정신과 및 국립감호정신병원에서 치료중이던 환자 124명이었다. 결 과 : 평가자간 신뢰도의 kappa값 평균은 0.74였다. 양극성 Ⅰ장애, 범불안장애, 우울장애, 강박장애, 반항장애, 동통장애, 병적 도박, 외상후 스트레스 장애, 특정공포증 및 대부분의 물질 사용 혹은 관련 장애의 kappa값이 0.7 이상이었다. 정신과 의사의 진단과 조사요원의 진단의 일치도를 비교한 절차 타당도를 살펴보면 다음과 같다. 전체적인 sensitivity는 67.6%, specificity는 98.3%, kappa 값은 0.69이었다. 물질 사용 장애 및 물질 관련 장애의 SE는 79%, SP는 98.6%, kappa 값은 0.77이었다. 이를 제외한 나머지 정신 장애의 SE는 60.5%, SP는 98%, kappa 값은 0.64이었다. 본연구의 결과는 Robins 등에 의해 최초로 보고된 DIS의 신뢰도 및 타당도와 거의 비슷한 수준이었다. 결 론: 한국어판 DIS-Ⅳ가 높은 신뢰도와 타당도를 지닌 것으로 생각된다. 이 도구를 통해 물질 사용 및 관련 장애를 타당도와 신뢰도 높게 진단할 수 있다는 점이 매우 중요하다. 향후 정신장애의 진단 능력을 향상시키고 임상연구를 활성화하고 국제적인 학술적 교류를 늘리는데 일조할 수 있을 것이다. Objective : Appearance of DSM-Ⅳ has influenced greatly on the nosological classification of mental disorder, not considered as revised one of DSM-Ⅲ-R but a new criteria. DIS-Ⅳ has been developed after revision of DIS-Ⅲ in consideration of various changes in DSM-Ⅳ. This study is to develop and validate the DIS-Ⅳ, Korean version to activate Korean psychiatric research much more and to modivate more frequent international collaborative study. Method : Translation committee produced DIS-Ⅳ, Korean version through all the procedures of translation, back-translation, confirmation of retained original meaning of the English version, adaptation to Korean linguistic usage and preliminary study. Four medical students were trained during DIS-Ⅳ training course that retained the same contents and methods as of Washington University. Inter-rater reliability was measured by comparison between two diagnoses made from two interviewer who rated one patient at the same time. Procedural validity was measured by comparison between lay-interviewer's diagnosis and psychiatrist's diagnosis which were made after independent DIS-Ⅳ using interview. Subjects were 124 patients who were being treated at two University Hospital and National Forensic Psychiatric Hospital between January, 2000 and August, 2000. Results : Average kappa value of inter-rater reliability was 0.74. Diagnoses showing over 0.7 in kappa value were bipolar I disorder, generalized anxiety disorder, depressive disorder, obsessive-compulsive disorder, oppositional defiant disorder, pain disorder, pathological gambling, post-traumatic stress disorder, specific phobia and almost all substance use disorder or substance-related disorder. Procedural validity, that compared lay-interviewer's diagnosis and psychiatrist's diagnosis, were as follows: For all diagnoses, sensitivity, specificity and kappa were 67.6%, 98.3% and 0.69. For diagnoses of substance use disorder or substance- related disorder, sensitivity, specificity and kappa were 79%, 98% and 0.77. For other diagnoses except substance use disorder or substance- related disorder, sensitivity, specificity and kappa were 60.5%, 98% and 0.64. This results are almost at the same level as that of Robins and her colleagues who tirst reported reliability and validity of DIS. Conclusion : We think that DIS-Ⅳ, Korean version has higher reliability and validity. It is very important that diagnoses of substance use disorder and substance-related disorder can be made reliably and validly by this instrument. We expect that it can help to improve diagnosability of mental disorder, activate clinical research and increase international scientific communication.
김병국(Byeong-Guk Kim),오진우(Jin-Woo Oh),최영하(Young-Ha Choi),윤석주(Suck-Ju Yoon),김동선(Dong-Sun Kim),한종규(Jong-Kyu Han) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
This paper presents the performance and emissions characteristics of a small spark-ignited gasoline engine. The engine used in this paper is a single cylinder, diaphragm carburetor, two-stroke, air-cooled 26㏄ SI engine for brush cutter. We measured the RPM, torque, fuel consumption and HC, CO, NOX emissions according to the dynamometer load at W.O.T. position. The results showed that the excess air ratio and rpm were decreased, torque was increased at increasing loads, HC and CO emissions were increased at decreasing excess air factor.
서국희(Guk-Hee Suh),신형직(Hyong Jik Shin),함봉진(Bong Jin Hahm),조성진(Seong-Jin Cho),이동우(Dong-Woo Lee),최인근(Ihn-Geun Choi),손현균(Hyeon Gyun Son),연병길(Byeong Kil Yeon) 대한노인정신의학회 1999 노인정신의학 Vol.3 No.2
Objective : This study was to estimate the prevalence of and identify the predisposing risk factors of delirium and to determine the effect of delirium on the prognosis, especially death in burn patients. Method : The study was completed by thorough examination of medical records, with additional confirmation, of the 245 patients who were admitted to the Burn ICU in Burn treatment center of Hangang Sacred Heart Hospital during last one year (Jan. 1. 1998-Dec. 31. 1998). Delirium was retrospectively diagnosed according to DSM-IV. Only when disturbance of consciousness and attention, cognitive dysfunction –especially disorientation–, or perceptual disturbance were observed, diagnosis of delirium were given. Final outcome such as death was discriminated through examination of medical records or question to those who knew the patient. Result : One year prevalence of delirium in burn patients is 34.4%. Statistically significant predisposing risk factors of delirium were five;Age 65 and over (OR=45.51, 95% CI : 6.07-341.11), burn size over 60% of total body surface (OR=6.48, 95% CI : 3.16-13.28), current psychiatric disorder (OR=6.81, 95% CI : 1.42-32.57), current medical disease (OR=3.00, 95% CI : 1.40-6.45), alcohol abuse (OR=3.17, 95% CI : 1.07-9.43) Statistically significant deathrelated risk factors were three;burn size over 60% of total body surface (OR=4.58, 95% CI : 2.00-10.46), delirium (OR=2.94, 95% CI : 1.25-6.94), current psychiatric disorder (OR=4.09,95% CI : 1.05-15.87). Aging is not the death-related factor in this study. Conclusion : Three factors, such as delirium, organic brain damage, and burn size over 60% of total body surface may predict higher risk of death in burn patients.
알쯔하이머병의 행동적 정신병리 평가척도 한국어판 (BEHAVE-AD-K)의 신뢰도 및 증상군별 점수 분석
서국희(Guk-Hee Suh),손현균(Hyun Gyun Son),신형주(Hyongju Shin),김인명(In-Myoung Kim),홍상의(Sangeui Hong),박종한(Jonghan Park),최인근(Ihn-Geun Choi),김상국(Sang Kook Kim),연병길(Byeong Kil Yeon) 대한노인정신의학회 2001 노인정신의학 Vol.5 No.1
Objective:The aims of this study were to (1) validate the inter-rater reliability of the BEHAVE-AD, Korean version, to (2) analyze the quantitative relationship between severity of Alzheimer's disease (AD) and mean scores on each of the BEHAVE-AD categories and mean total BEHAVE-AD score. Design:Cross-sectional study of geriatric patients with AD evaluated at a mental hospital for the elderly. Sample:Fifty-two consecutive patients diagnosed with probable Alzheimer's disease (AD) according to NINCDS-ADRDA diagnostic criteria. Results:In reliability study, significant correlations were obtained for all BEHAVE-AD symptoms category scores and for mean total BEHAVE-AD scores. Analysis of BEHAVE-AD scores as a function of disease severity demonstrated a non-linear relationship between severity of behavioral symptoms and the global and cognitive advance of AD. Score analysis of the BEHAVE-AD indicates that these behavioral disturbances become most severe in the moderate and moderately severe stages of AD. Conclusion:All the results proved the cross-cultural validity and reliability of the BEHAVEAD, Korean version. Furthermore, these results have implications for the methodology of pharmacological trials of putative cognitive enhancer compounds in AD.
Kim, Byeong-Keuk,Kim, Jung-Sun,Ko, Young-Guk,Choi, Donghoon,Jang, Yangsoo,Hong, Myeong-Ki Kluwer Academic Publishers 2012 INTERNATIONAL JOURNAL OF CARDIOVASCULAR IMAGING Vol.28 No.6
<P>Minimal data have been published on the correlation between angiographic late loss (LL) and incomplete neointimal coverage of struts after drug-eluting stent (DES) implantation. Therefore, we evaluated the relationship between angiographic LL and the percentage of uncovered struts on follow-up optical coherence tomography (OCT) images, in all cross-sections of the lesions. From the OCT registry database, 219 lesions without restenosis after DES implantation were divided into tertiles based on angiographic LL: tertile I (LL 0.26 mm), tertile II (0.26 < LL < 0.59 mm), and tertile III (0.59 mm). Lesions with the percentage of uncovered struts in the highest quartile (75th percentile; >6.0%) were defined as highly uncovered; in an independent analysis, lesions without any uncovered strut(s) were defined as completely covered. Higher percentages of uncovered struts were observed in tertile I than in both tertile II and III (10.3 12.8% vs. 4.2 7.4% vs. 2.4 5.1%, respectively; P < 0.001 for I vs. II and I vs. III). Angiographic LL correlated significantly with the percentage of uncovered struts on OCT (r = -0.340, P < 0.001). The best cut-off values of angiographic LL to predict highly uncovered and completely covered lesions were 0.29 mm (area under curves [AUC] = 0.723, P < 0.001) and 0.61 mm (AUC = 0.692, P < 0.001), respectively. Angiographic LL inversely and significantly correlated with the percentage of uncovered struts on OCT after DES implantation.</P>
Kim, Byeong-Keuk,Kim, Jung-Sun,Oh, Changmyung,Ko, Young-Guk,Choi, Donghoon,Jang, Yangsoo,Hong, Myeong-Ki Foundation for Advances in Medicine and Science [e 2011 Clinical cardiology Vol.34 No.2
<P>There are no sufficient data to evaluate the relationship between high-sensitivity C-reactive protein (hs-CRP) and uncovered stent struts on optical coherence tomography (OCT) after drug-eluting stent (DES) implantation.</P>
오일공급 방식에 따른 2행정 소형원동기의 성능특성 비교
김병국(Byeong-Guk Kim),최영하(Young-Ha Choi),오진우(Jin-Woo Oh),이동근(Dong-Geun Lee),윤석주(Suck-Ju Yoon),김동선(Dong-Sun Kim),한종규(Jong-Kyu Han) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
This paper presents the performance and characteristics of small spark-ignited small 2-stroke engine. A single cylinder, two-stroke, air cooled 23㏄ SI engine for brush-cutter was used in this study. For the performance of the engine, rpm, torque, fuel consumption and lubricate oil consumption were measured, and also HC, CO, NOx emissions and excess air ratio according to throat open ratio under two lubrication method were measured and analyzed. The results showed that maximum of engine rpm is nearly same in both methods and also, torque, power is similar. exhaust emissions tend to decrease with throat open ratio