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허은정,이종철,이용직,박창률,Heo, Eun-Jeong,Lee, Jong-Cheol,Lee, Yong-Jik,Park, Chang-Ryul 대한기관식도과학회 2009 大韓氣管食道科學會誌 Vol.15 No.1
Tracheal rupture is infrequently reported, but it is considered to be fatal condition. The most common cause of tracheal rupture is neck injury, but, rarely reported after tracheal intubation. We report a 49-year old woman with dyspnea presenting tracheal rupture after endotracheal intubation. It is detected that tracheal rupture with herniation of esophagus at the level of T1 spine by computed tomography and bronchoscopy. We had a successful repair by suturing between tracheal and esophageal wall. The patient was followed up without any complication.
원저 : 소시지에서 real-time PCR법에 의한 Listeria monocytogenes의 정량적 검출을 위한 standard curve구축
허은정 ( Eun Jeong Heo ),신효진 ( Hyo JIn Shin ),문진산 ( Jin San Moon ),박현정 ( Hyun Jeong Park ),김영조 ( Young Jo Kim ),김지호 ( Ji Ho Kim ),위성환 ( Sung Hwan Wee ) 한국수의공중보건학회 2010 예방수의학회지 Vol.34 No.4
We constructed a standard curve to quantify Listeria monocytogenes in ready-to-eat product, especially sausage samples, using real-time PCR. A standard curve was generated using serially diluted L. monocytogenes cells in distilled water. When cells were artificially inoculated in 10 g of sausage samples in 90㎖buffered peptone water, the cell concentration of range was approximately 1.0×108 to 100 CFU/㎖. The standard curve of the serially diluted cells was linear for at least seven orders of magnitude from 103 to 109 CFU/㎖of L. monocytogenes. When cells were diluted in sausages, the linearity range was from 104 to 108 CFU/㎖. The correlation coefficient (R2) of diluted cells was 0.9888 and the slope of the curve was -2.6621. The coefficient and slope of inoculated samples were 0.9916 and -2.747, respectively. The R2 value for serially diluted L. monocytogenes and artificially contaminated sausage samples were acceptable. The approach described in this study represents the potency of the quantification of L. monocytogenes in sausage samples by quantitative real-time PCR. It can be used in monitoring the presence and persistence of this pathogen in sausages.
허은정 ( Eun Jeong Heo ),조명환 ( Myeonghwan Cho ) 한국환경경제학회·한국자원경제학회(구 한국환경경제학회) 2020 자원·환경경제연구 Vol.29 No.1
본 연구는 한국의 천연가스시장에 경쟁을 도입하는 정책이 사회후생에 미치는 영향을 이론적으로 분석하였다. 기존의 독점기업은 천연가스의 저장/운송을 위한 필수설비를 보유하고 있으나, 경쟁도입을 위해 신규기업 진입 시 필수설비를 공유해야 하는 의무를 지게 되었다. 독점기업이 천연가스의 가격과 필수설비 접속료를 자유롭게 설정할 수 있는 경우, 신규기업의 진입은 사회후생을 증가시킬 뿐만 아니라 독점기업의 이윤도 증가시킨다. 그러나 정부가 가격규제를 시행하는 경우, 설비 운용비용에 대한 정보의 비대칭성이 있는지의 여부에 따라 사회후생이 결정된다. 정부가 완전한 정보를 가지고 있는 경우에는 사회후생을 극대화하는 선택을 쉽게유도할수 있으나, 그렇지 않은 경우 정부는 불완전한 정보를 바탕으로 가격규제를 시행하게 된다. 본 연구에서는 정부와 기업들의 의사결정을 베이지안 게임을 통해 분석하여, 완전 베이지안 균형 아래서 독점기업이 공개하는 정보의 양에 따라 사회후생이 어떻게 변화하는지 살펴보았다. We introduce a simple theoretical model to analyze the welfare impact of a competition policy in the natural gas market in South Korea. An incumbent monopolistic firm currently owns essential facilities, but the competition policy mandates that the firm provide open access to any entrant firm, charging an access fee. When no regulation is imposed on the fee pricing, this policy increases social welfare as well as the profit of the incumbent firm. When the pricing is regulated, however, social welfare depends on whether there is information asymmetry between the government and the firm regarding the operating cost of the facilities. If the government has complete information, social welfare can be maximized by choosing the optimal prices. Otherwise, the government has to set the prices based on the information that the firm delivers. We formulate a Bayesian game to analyze this case and identify a set of perfect Bayesian equilibria to compare social welfare.
국내 도축장 돼지에서의 브루셀라증에 대한 혈청학적 조사
허은정 ( Eun Jeong Heo ),김종완 ( Jong Wan Kim ),조동희 ( Dong Hee Cho ),남향미 ( Hyang Mi Nam ),조윤상 ( Yun Sang Cho ),황인영 ( In Yeong Hwang ),강성일 ( Sung Il Kang ),정석찬 ( Suk Chan Jung ),문진산 ( Jin San Moon ),위성환 ( S 한국수의공중보건학회 2010 예방수의학회지 Vol.34 No.3
For the screening of Brucella antibodies in pig, 2,140 pig serum samples were collected from six slaughter house in Korea between 2006 and 2007. The Rose Bengal test (RBT) and serum agglutination test (SAT) were used for initial screening for specific antibodies to Brucella, and competitive enzyme-linked immunosorbent assay (C-ELISA) was used for confirmation of presence of serum antibody for Brucella. Overall, 575 (26.9%) samples resulted in seropositive in RBT. In SAT, 50 (2.3%) and 10 (0.5%) samples showed suspicious positive and positive reaction, respectively, however, all sera tested in this study showed a negative reaction in C-ELISA. SAT and C-ELISA might be applicable as a tool for screening of swine brucellosis.
허은정 (Heo Eun Jeong),이병준 (Yi Byung Jun) 한국문화교육학회 2022 문화예술교육연구 Vol.17 No.6
The purposes of this study are to domestic research trend of North Korean culture & arts education and suggest the following direction of research. The analysis of research trend was applied by qualitative content analysis and it divided and examined 25 academic paper and 52 theses on North Korean culture & arts education from 2001 to 2020 by research period, research field, research method, and research subject. First, this researcher intends to define operationally 'North Korean culture & arts education' as a super ordinate concept of artistic education fulfilled in a dimension of national policy commonly in the South and the North of Korea because of the differences of their terms. According to the results of the research, first, quantitative results of the research are clearly shown by two nations' reconciliation and tension atmosphere by research period. Second, far more studies on music education were conducted by research field. Third, the most analyses were conducted on content analysis based on documents by research method and recently, various research methods such as in-depth interview, individual interview, survey, etc. are tried. Forth, researches on elementary schools and middle schools are similarly conducted relatively and there are also studies on higher education and special education by research object. Fifth, there are the most researches on common education in regular curriculum by research subject. Finally, this researcher suggested the direction of the following researches through the qualitative content analysis on North Korean culture & arts education. This research is significant as it examined research trend of North Korean culture & arts education, that was not studied until now. 본 연구는 북한 문화예술교육에 관련된 국내 연구동향을 분석하여 향후 연구 방향을 제시하는 데 목적을 둔다. 연구동향 분석은 질적 내용분석을 적용하여 2001년부터 2020년까지 북한 문화예술교육에 관한 학술논문 25편과 학위논문 52편을 중심으로 연구시기별, 연구분야별, 연구방법별, 연구주제별로 구분하여 살펴보았다. 우선 남한과 북한의 용어의 차이로 인하여 남북한 공통적으로 국가 정책 차원에서 이루어지고 있는 예술 관련 교육의 상위개념으로써 ‘북한 문화예술교육’이라고 조작적으로 정의하고자 한다. 연구결과에 따르면 첫째, 연구시기별로는 남북 간의 화해와 긴장 분위기에 따라 연구의 양적인 변화가 확연히 드러난다. 둘째, 연구분야별로는 음악교육이 월등히 연구가 많이 이루어졌다. 셋째, 연구방법별로는 문헌을 기반으로 한 내용 분석이 대부분이었으며, 최근 들어 심층면담, 개별인터뷰, 설문조사 등 다양한 연구방법이 시도되고 있다. 넷째, 연구대상별로는 소학교, 중학교에 대한 연구가 비교적 비슷하게 이루어졌으며, 이외에 고등교육, 특수교육에 대한 연구도 이루어지고 있다. 다섯째, 연구주제별로는 정규교육과정 중 보통교육에 대한 연구가 가장 많이 이루어졌다. 제언사항으로는 평생교육 차원에서의 북한 문화예술교육에 대한 연구, 다양한 장르에 대한 연구, 심층면담이나 사례연구 등의 질적연구가 필요하며, 북한의 문화예술 대중화 정책이 갖는 의의가 통일 이후의 문화예술교육의 발전적 지향점으로 논의로 이어져야 함을 제시하였다.
외과계 중환자에서의 초기 정맥영양공급의 현황 분석과 열량대단백비의 임상적 의의
허은정 ( Eun Jeong Heo ),박가영 ( Ka Young Park ),전수정 ( Su Jeong Jeon ),남궁형욱 ( Hyungwook Namgung ),이은숙 ( Eun Sook Lee ),송인애 ( In Ae Song ) 한국정맥경장영양학회 2015 한국정맥경장영양학회지 Vol.7 No.3
Purpose: Surgical critically ill patients require adequate nutrition support and the American Society for Parenteral and Enteral Nutrition (A.S.P.E.N.) guidelines recommend low non-protein calorie: nitrogen ratio (NPC:N ratio, 70∼100) for critically ill pateints. In this study, we assess the current use of early parenteral nutrition of surgical critically ill patients and analyze the clinical significance of NPC:N. Methods: This is a retrospective study of critically ill adult patients who remained in the intensive care unit (ICU) for over 3 days and could not receive enteral nutrition for the first 7 days. Data on parenteral intake of patients were collected from electronic medical records. Association of NPC:N scores with clinical outcome (length of ICU stay, length; of hospital stay, duration of ventilation, and mortality) were analyzed using Pearson correlation and multiple regression. Results: The study included 72 cases, average parenteral calorie intake was 14.6 kcal/kg/day and protein intake was 0.5 g/kg/day. We assessed the NPC:N scores to determine the patients’ NPC:N for the first 7 days in ICU close to the A.S.P.E.N guidelines. NPC:N scores showed weak negative correlation with length of hospital stay and duration of mechanical ventilation (r=-0.259, P=0.028; r=-0.495, P=0.001). Multiple regression adjusted with APACHE (Acute Physiology and Chronic Health Evaluation) II score, age, and body mass index showed correlation of higher NPC:N score with decreased length of hospital stay and shorter duration of ventilation (P=0.0001, P=0.035, respectively). However, length of ICU stay and mortality within 60 days showed no significant correlation with NPC:N scores. Conclusion: Parenteral calories and protein intakes of critically ill patients in ICU were lower in comparison to A.S.P.E.N. recommendation in this study. Low NPC:N scores might be related to shorter length of hospital stay, duration of mechanical ventilation. Consultation of a nutritional support team could have a positive effect in providing appropriate nutrition support.