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유병철(Byung-Chul You),조인희(In-Hee Cho) 한국엔터테인먼트산업학회 2014 한국엔터테인먼트산업학회 학술대회 논문집 Vol.2014 No.5
본 연구의 목적은 뉴스 특보가 보도전문채널의 시청률 변화에 어떤 영향을 미치는지를 알아보는 것이다. 분석을 위해 세월호 침몰 사고 기간의 뉴스Y(연합뉴스TV) 뉴스 특보 시청률를 분석했다. 사고 이전과 사고 이후 특보 체제, 종일 특보 이후로 기간을 설정해 비교분석했다. 연구 결과 특보 이후 시청률이 증가했고, ‘특보-특보 후’를 제외하곤 모두 통계적으로 유의한 차이가 있었다. 시청자 층에서도 젊고, 고소득, 고학력 시청자들의 시청률이 높아졌다. 탐색적으로 홈페이지 PV(page view)를 분석한 결과 ‘특보 전-특보’ 기간의 차이가 나타났다 The object of this study is to analyze how breaking news reports effect the broadcaster"s rating. In order to get this analysis, this study drew a comparison and analyzed "News Y"(Yonhapnews TV)"s special reports, during the Sewol ferry disaster. News Y"s rating was caompared before covering the Sewol ferry disaster after the covering these reports and analyzed the channel rating. This study concluded that News Y"s rating was increased after covering the disater. Special news reports were a great factor to program rating in the news channel.
Proteome alteration in human colon cancer cells by the treatment of HangAmDan-B
김경희,Byung-Rok Park,Chong-Kwan Cho,Yeon-Weol Lee,Eun-Jin Cho,Sung-Chul Yea,유병철,유화승 한국바이오칩학회 2011 BioChip Journal Vol.5 No.2
Korean traditional medicine, HangAmDan (HAD) was developed in 1996 for anti-tumor purpose, and has shown positive results in clinical case studies. Recently, HAD has been recently modified as HAD-B to increase therapeutic effects. Our present study focused on the effect of HAD-B on proteome alteration in human colon cancer cells with highly aggressive invasiveness. Before the proteome assessment, invasiveness of 4 human colon cancer cell lines, SNU-407, SNU-C4, LoVo, and DLD-1 have been determined. Among cell lines tested, DLD-1 showed higher invasiveness, and was selected for investigating proteome affected by HAD-B. HAD-B reduced invasiveness of DLD-1, but it did not lead to either synergistic effect with 5-fluorouracil or apoptosis. Phosphorylation of eukaryotic initiation factor 4E (eIF-4E) binding protein 1 (4EBP1) and mammalian target of rapamycin (mTOR) in DLD-1 was increased by HAD-B treatment whereas level of AKT phosphorylation was reduced. Furthermore, expression of eIF-5A-2 and the balance between tissue inhibitor of metalloproteinases-1 (TIMP-1) and matrix metalloproteinase 9 (MMP9) were deranged in DLD-1 after treatment of HAD-B. In conclusion, overall results from our proteome assessment may provide useful information on how HAD-B suppresses proliferation and invasion of human colon cancer cells.
유영순,조은희,유병철,정귀원,엄상화,김성준,전진호,Yoo, Young-Soon,Cho, Eun-Hi,Yu, Byung-Chul,Jeong, Ki-Won,Urm, Sang-Hwa,Kim, Sung-Jun,Chun, Jin-Ho 대한예방의학회 2001 예방의학회지 Vol.34 No.1
Objectives : To gather information about the factors which influence the interest and intention of admission into charging nursing hones for the elderly(CNH), as these homes represent an important method for resolving the problems related to the rapid population aging occurring in Korea. Methods : A face-to-face interview survey was carried out with 320(men 159, women 165) patients over 60 years old who were admitted at 2 university hospitals and 5 general hospitals in the Busan area between December 1998 and March 1999. Data were analyzed through t-test, ANOVA, correlation and multiple regression analysis. Results : The mean age and years of education of the study population was 67.0 and 7.7 years, and the types of chronic degenerative disease included musculoskeletal disorders(20.1%), cerebrovascular disease(17.1%), and diabetes(14.3%). The major forms of household living arrangement prior to admission were elderly alone(22.6%), and elderly couple(33.5%), while about half of them(55.5%) didn't want to live with their children id the future. Almost half were paying medication fees by themselves(46.6%). The level of actual intention of admission$(3.07{\pm}1.39)$ into a CNH was lower than that of interest$(3.22{\pm}1.33)$(p<0.01). Multiple analysis revealed that the intention of admission increased with decreasing number of future supportive persons$(\beta=-0.107)$, lower level of activity in daily life$(\beta=-0.447)$, and longer years of education$(\beta=-0.447)$ with 32.7% of $R^2$. As for the factors which determined the admission into a CNH, the fee and facilities were considered to be most important, and professional nursing and physician's care were the most desired services. In nomenclature, they preferred 'elderly hospital' or 'elderly health center' to CNH. Conclusions : Interest in CNH is increasing recently, but existing studies about patient experiences in CHN are still limited. This study may form a basis for future examinations of the needs and uses for CNH. Active financial support and public information are considered by the authors to be important factors for the induction of welfare services for the elderly, though CNH.
간세포암종의 간절제술 후 p53 과발현의 예후에 미치는 영향
성창옥 ( Chang Okh Sung ),유병철 ( Byung Chul Yoo ),고광철 ( Kwang Cheol Koh ),조재원 ( Jae Won Cho ),박철근 ( Cheol Keun Park ) 대한소화기학회 2005 대한소화기학회지 Vol.45 No.6
Background/Aims: p53 mutation is the most common genetic abnormality in human cancers. However, although it has been reported that p53 overexpression in hepatocellular carcinoma (HCC) is associated with the aggressive behavior of tumor, the prognostic sig
중증외상환자에서 TRISS를 활용한 예방가능 중증외상사망률 지표: PARK Index
박찬용 ( Chan Yong Park ),유병철 ( Byung Chul Yu ),김호현 ( Ho Hyun Kim ),황정주 ( Jung Joo Hwang ),이정남 ( Jung Nam Lee ),조현민 ( Hyun Min Cho ),박한나 ( Han Na Park ) 대한외상학회 2015 大韓外傷學會誌 Vol.28 No.3
Purpose: To calculate Preventable Trauma Death Rate (PTDR), Trauma and Injury Severity Score (TRISS) is the most utilized evaluation index of the trauma centers in South Korea. However, this method may have greater variation due to the small number of the denominator in each trauma center. Therefore, we would like to develop new indicators that can be used easily on quality improvement activities by increasing the denominator. Methods: The medical records of 1005 major trauma (ISS >15) patients who visited 2 regional trauma center (A center and B center) in 2014 were analyzed retrospectively. PTDR and PARK Index (Preventable Major Trauma Death Rate, PMTDR) were calculated in 731 patients with inclusion criteria. We invented PARK Index to minimize the variation of preventability of trauma death. In PTDR the denominator is all number of deaths, and in PARK Index the denominator is number of all patients who have survival probability (Ps) larger than 0.25. Numerator is the number of deaths from patients who have Ps larger than 0.25. Results: The size of denominator was 40 in A center, 49 in B center, and overall 89 in PTDR. The size of denominator was significantly increased, and 287 (7.2-fold) in A center, 422 (8.6-fold) in B center, and overall 709 (8.0-fold) in PARK Index. PARK Index was 12.9% in A center, 8.3% in B center, and overall 10.2%. Conclusion: PARK Index is calculated as a rate of mortality from all major trauma patients who have Ps larger than 0.25. PARK Index obtain an effect that denominator is increased 8.0-fold than PTDR. Therefore PARK Index is able to compensate for greater disadvantage of PTDR. PARK Index is expected to be helpful in implementing evaluation of mortality outcome and to be a new index that can be applied to a trauma center quality improvement activity. [ J Trauma Inj 2015; 28: 115-122 ]
유영진,엄상화,이종태,유병철,정귀옥,조규일,배기택,Yu, Yeong-Jin,Ohm, Sang-Hwa,Lee, Jong-Tae,Yu, Byung-Chul,Jung, Kui-Oak,Cho, Kyu-Il,Pai, Ki-Tack 대한예방의학회 1995 Journal of Preventive Medicine and Public Health Vol.28 No.3
Chromium is one of the representative toxic substance by occupational exposure which damage the mucosa of respiratory tract including nasal septal perforation. The aim of this study is to evaluate the effect of chromium exposure on olfactory function and to obtain the fundamental information about chromium exposure. The authors performed olfactory function test, laboratory tests and questionnaire interview on the subject of three groups, that is, two exposed groups and one nonexposed group from May 1 to June 30, 1994. Exposed group 1 was 15 male workers without nasal septal perforation, exposed group 2 was 15 male workers with nasal septal perforation among 103 workers in 22 chromium plating factories, and nonexposed group was 15 male medical students. The gathered informations were histories of chromium exposure, habits of smoking and alcohol drinking, the concentrations of chromium in serum and urine, and asparate aminotransferase(AST), alanine aminotransferase(ALT), gamma-glutamyl transferase, etc. Olfactory function was checked by T and T olfectometer using phenyl ethyl alcohol(material A), methyl cyclopentenolone(material B), iso-valeric acid(material C), $\gamma$-undecalactone(material D), skatole(material E) and the results were expressed by detection threshold(DT) and recognition threshold(RT). There was a significant difference between exposed groups and nonexposed group in A, B, C, D, E substances by DT and in A, B, C, D substances by RT(P<0.01). The degree of olfactory dysfunction was highest in the exposed group 2 and lowest in the nonexposed group in all five substances by DT and it was same in A B, D substances RT and the difference of RT and DT. As summary, olfactory dysfunction by chromium exposure was recognized and the degree of olfactory dysfunction was higher in the exposed group with nasal septal perforation. Therefore, it would be helpful to apply olfactory function test for the early detection of olfactory dysfunction, and this test would be considered as the basic tool within workers' compensation system.
가천대학교 길병원 권역외상센터 3개년 내원 환자 및 치료 경험 분석(2011~2013)
윤용철 ( Yong Cheol Yoon ),이정남 ( Jung Nam Lee ),정민 ( Min Chung ),전양빈 ( Yang Bin Jeon ),박재정 ( Jae Jeong Park ),유병철 ( Byung Chul Yu ),이길재 ( Gil Jae Lee ),조현진 ( Hyun Jin Cho ),마대성 ( Dae Sung Ma ),이민아 ( Min 대한외상학회 2014 大韓外傷學會誌 Vol.27 No.4
Purpose: The first regional trauma center selected in Korea was the Gachon University Gil hospital regional trauma center; expectation on its role has been high because of its location in the Seoul metropolitan region. To determine if those expectations are being met, we analyzed the patients visiting the center and their treatment experiences for the past 3 years in order to propose a standard for the operation of a trauma center. Methods: The visiting route, visiting methods, performance of emergency surgery, the ward and the length of stay, the injury mechanism, the injury severity score (ISS), the department that managed the surgery, and the cause of death were analyzed for 367 patients visiting the center from its establishment in June 2011 through December 2013. Results: The mean age of the patients was 47 years (285 male and 82 female patients). A total of 187 patients directly visited the center whereas 180 were transferred to the center. Traffic accidents comprised the majority of injury mechanisms, and 178 patients underwent emergency surgery. The mean length of stay per patient was 11 days for those in the ICU and 27 days for those in a general ward. These patients occupied 4 beds in the ICU and 10 beds in the general ward per day. A total of 1.21 surgeries were performed per patient, and the mean number of surgeries performed per day was 0.49. The mean ISS was 15.91, and 183 patients (50%) had an ISS of ≥16. Thirty-one patients died; they had a mean ISS of 28.42. The most frequent cause of death was multi-organ failure. The mean number of treatment consultations during a patient’s stay was 6.32. Forty-five patients (13%) were discharged from the center, and 291 (79%) were transferred to another hospital. Conclusion: A systematic approach to establishing a treatment model for trauma patients, including injury mechanism, multidisciplinary treatment, and trauma surgeon intervention, is required for treating trauma patients. [ J Trauma Inj 2014; 27: 170-7 ]