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1996년 춘계학술대회 학술퀴즈 : 다발성 임파절 이상증을 동반한 비대칭적 폐 간질성 병변
이경상 ( Kyung Sang Lee ),양석철 ( Suck Chul Yang ),윤호주 ( Ho Joo Yoon ),신동호 ( Dong Ho Shin ),박성수 ( Sung Soo Park ),이정희 ( Jung Hee Lee ),김혁 ( Hyuk Kim ),최요원 ( Yo Won Choi ),전석철 ( Seok Chol Jeon ) 대한결핵 및 호흡기학회 1996 Tuberculosis and Respiratory Diseases Vol.43 No.4
만성 간질환에서의 ICG - Rmax 와 Thallium - 201 Test per Rectum ( Sunt Index ) 의 임상적 의의
이경상(Kyung Sang Lee),황선호(Seon Ho Hwang),함준수(Joon Soo Hahm),이종철(Jong Chul Rhee),기춘석(Choon Suhk Kee),박경남(Kyung Nam Park),이민호(Min Ho Lee),정화순(Wha Soon Chung),조석신(Seok Shin Cho),이재원(Jae Won Lee) 대한내과학회 1994 대한내과학회지 Vol.46 No.1
N/A Objectives: Thallium-201 test per rectum (shunt index) and ICG-Rmax have been used for studying the portosystemic shunt and the functional reserve of liver. The clinical values of shunt index and ICG-Rmax in pateints with chronic liver disease were evaluated using the data obtained in 74patients. Methods: 0.5mCi thallium-201 was administered per rectum to 37 patients witchronic active hepatitis (CAH) and 37Patients with liver cirrhosis, and the heart to liver uptake ratio was taken at 20min. ICG-Rmax was also taken using Paumgartner`s method. We used simple linear regression and ANOVA methods for the correlation between ICG Rmax and shunt index. Results: 1) The mean shunt index was 0.251±0. 140 in CAH group and 0.565±0.351 in cirrhosis group (P<0,005). 2) The mean ICG-Rmax was 1.720±l.320 (mg/kg/ min) in CAH group and 0.867±0.625 in cirrhosis group (P<0 005). 3) There was no significant correlation between ICG- Rmax and shunt index in CAH group (P=0.358). 4) Correlation between ICG-Rmax and shunt index was significant in cirrhosis group (P=0,001; R-square= 0 321; 1/ICG-Rmax=2 64 * shunt index+0.49) Conclusions: Thallium-201 scintigraphy per rectum and ICG-Rmax may be useful in diagnosis of chronic liver diseases, especially differentiating CAH from cirrhosis. These study will help us to predict the prognosis of chronic liver diseases and give us more information for the treatment of chronic liver diseases.
PSCAD/EMTDC를 이용한 측정기반의 부하모델링 연구
이경상(Kyung-Sang Lee),박래준(Rae-Jun Park),송경빈(Kyung-Bin Song) 대한전기학회 2011 전기학회논문지 Vol.60 No.6
To supply electrical power with high quality, the power system must be optimized in many ways such as planning, control and management. In order to optimize the power system, the analysis of the power system is necessary. The elements of the power system require an accurate model to analysis of the power system. The components of the power systems such as generators, transformers and transmission lines have been studied and researched a lot in their modeling and very sophisticated models have been proposed. However, in case of load in-depth studies on the exact model are required. In this paper, measurement-based load modeling method using real-time measured data is proposed in various methods to reflect the characteristics of the load. To prove the validity of the proposed method, PSCAD/EMTDC program is used to configure the power system and measurement data according to the various failures are used to study on load modeling.
유관 상피내암(DCIS)에 대한 임상적, 병리학적 분석 및 생물학적 표지자들의 발현과 예후인자들과의 관계
강성수(Sung Soo Kang),고승상(Seung Sang Ko),조백현(Back Hyun Jo),허민희(Min Hee Hur),이해경(Hae Kyung Lee),이성공(Sung Kong Lee),전이경(Yi Kyeong Chun),김의정(Yee Jeong Kim),이경상(Kyung Sang Lee),홍성란(Sung Ran Hong),이지현(Jee Hyu 대한외과학회 2003 Annals of Surgical Treatment and Research(ASRT) Vol.64 No.4
경도인지장애에서 성별에 따라 교육 성취도가 영역별 인지기능에 미치는 영향
이춘수(Chunsoo Lee),명우재(Woojae Myung),이경상(Kyung Sang Lee),이준노(Jun Ro Lee),강효신(Hyo Shin Kang),임신원(Shin Won Lim),나덕렬(Duk L. Na),김성윤(Seong Yoon Kim),이재홍(Jae-Hong Lee),한설희(Seol-Heui Han),최성혜(Seong Hye Choi) 대한노인정신의학회 2016 노인정신의학 Vol.20 No.2
Objective:This study aimed to find the sex differences of the way how educational attainment influence on cognitive function in the mild cognitive impairment patients. Methods:A total of 1,704 patients were recruited from a large hospital-based multi-center cohort. Cognitive subdomains were evaluated using the Seoul Neuropsychological Screening Battery-Dementia version. We employed multiple linear regression analysis to compare the score of cognitive subdomains between the groups with high versus low educational attainment based on the high school graduate. Interaction between educational attainment and sex was also included in the analysis Results:High and low educational attainment group had 41.2% and 58.8% of patients in the study population. In the multiple regression analysis, score of all cognitive subdomains were significantly higher in the high educational attainment group. The score of attention, language, and visuospatial function were also significantly affected by interaction between educational attainment and sex. Conclusion:In the female patients, educational attainment showed higher influence on the attention, language, and visuospatial function score.
임라주(Ra Joo Lim),이경상(Kyung Sang Lee),이숙현(Suok Hyun Lee),윤찬석(Chan Seok Yoon),고승상(Seung Sang Ko),허민희(Min Hee Hur),이해경(Hae Kyung Lee),홍성란(Sung Ran Hong),이지현(Ji Hyun Lee),강성수(Sung Soo Kang) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.79 No.4
Purpose: This study was conducted to evaluate the outcome of central lumpectomy for breast conservation including nipple-areolar resection and postoperative radiation therapy in patients with central breast cancers. Methods: 19 patients with central breast cancers, aged 39 to 72 years, operated on from May 2004 to March 2010 were identified. Recurrence, survival, and cosmesis were analyzed. Treatment was undertaken as complete excision of the nipple-areolar complex (NAC), followed by external radiation to the whole breast and tumor bed. The mean follow-up period was 37.9 (1 to 71) months. Results: At pathology, 13 had invasive ductal carcinoma; 5 had ductal carcinoma in situ. 1 had neuroendocrine cancer. Only 1 had atypical ductal hyperplasia at resection margin; the remaining 18 were free margins. The mean tumor size was 1.6 ㎝ (range, 0.8∼4 ㎝) and the distance from the nipple was 0∼1 ㎝. 37.5% had positive axillary nodes. Adjuvant chemotherapy was given for 12 patients, followed by radiation therapy. All 15 patients, who were hormone receptor positive, were given tamoxifen or aromatase inhibitors. With a mean follow up of 37.9 months, all 19 patients are alive and free of disease. Cosmetic results ranged from good to excellent in 18 (94.7%) patients, as judged by both the patients and the surgeons. Conclusion: Although this study needs further evaluation and long-term follow up, subareolar or central breast cancers can be successfully treated with breast conserving therapy using nipple-areolar resection and postoperative radiation therapy, along with acceptable cosmesis.