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      • KCI등재

        Simultaneous Assessment of Left Ventricular Function and Coronary Artery Anatomy by Third-generation Dual-source Computed Tomography Using a Low Radiation Dose

        이지원,Kyung Jin Nam,김진유,정연주,이지원,So Min Park,Soo Jin Lim,추기석 한국심초음파학회 2020 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.28 No.1

        BACKGROUND: To assess left ventricular function and coronary artery simultaneously by third-generation dual-source computed tomography (CT) using a low radiation dose. METHODS: A total of 48 patients (36 men, 12 women; mean age 57.0 ± 9.5 years) who underwent both electrocardiography-gated cardiac CT angiography (CCTA) using 70–90 kVp and echocardiography were included in this retrospective study. The correlation between left ventricular end-diastolic volume (LVEDV), left ventricular end-systolic volume (LVESV), and left ventricular ejection fraction (LVEF) measured using CCTA and echocardiography was determined. The quality of coronary artery images was analyzed using a 4-point scale (1, excellent; 4, poor). The effective radiation dose of CCTA was calculated. RESULTS: Mean heart rate during the CT examination was 59.9 ± 9.9 bpm (range 38–79) and the body mass index of 48 patients was 24.5 ± 2.6 kg/m2 (range 17.0–29.4). LVEDV, LVESV, and LVEF measured using CCTA and echocardiography demonstrated a fair to moderate correlation (Pearson correlation coefficient: r = 0.395, p = 0.005 for LVEDV; r = 0.509. p < 0.001 for LVESV; r = 0.551, p < 0.001 for LVEF). Average image quality score of coronary arteries was 1.0 ± 0.1 (range 1–2). A total of 99.0% (783 of 791) of segments had an excellent image quality score, and 1.0% (8 of 791) of segments had a good score. Mean effective radiation dose was 2.2 ± 0.7 mSv. CONCLUSIONS: Third-generation dual-source CT using a low tube voltage simultaneously provides information regarding LV function and coronary artery disease at a low radiation dose. It can serve as an alternative option for functional assessment, particularly when other imaging modalities are inadequate.

      • KCI등재

        Predictive Value of Cardiac Magnetic Resonance Imaging-Derived Myocardial Strain for Poor Outcomes in Patients with Acute Myocarditis

        이지원,정연주,이지원,이남경,이혜원,김진유,최범성,추기석 대한영상의학회 2017 Korean Journal of Radiology Vol.18 No.4

        Objective: To evaluate the utility of cardiovascular magnetic resonance (CMR)-derived myocardial strain measurement for the prediction of poor outcomes in patients with acute myocarditis. Materials and Methods: We retrospectively analyzed data from 37 patients with acute myocarditis who underwent CMR. Left ventricular (LV) size, LV mass index, ejection fraction and presence of myocardial late gadolinium enhancement (LGE) were analyzed. LV circumferential strain (EccSAX), radial strain (ErrSAX) from mid-ventricular level short-axis cine views and LV longitudinal strain (EllLV), radial strain (ErrLax) measurements from 2-chamber long-axis views were obtained. In total, 31 of 37 patients (83.8%) underwent follow-up echocardiography. The primary outcome was major adverse cardiovascular event (MACE). Incomplete LV functional recovery was a secondary outcome. Results: During an average follow-up of 41 months, 11 of 37 patients (29.7%) experienced MACE. Multivariable Cox proportional hazard regression analysis, which included LV mass index, LV ejection fraction, the presence of LGE, EccSAX, ErrSAX, EllLV, and ErrLax values, indicated that the presence of LGE (hazard ratio, 42.88; p = 0.014), together with ErrLax (hazard ratio, 0.77 per 1%, p = 0.004), was a significant predictor of MACE. Kaplan-Meier analysis demonstrated worse outcomes in patient with LGE and an ErrLax value ≤ 9.48%. Multivariable backward regression analysis revealed that ErrLax values were the only significant predictors of LV functional recovery (hazard ratio, 0.54 per 1%; p = 0.042). Conclusion: CMR-derived ErrLax values can predict poor outcomes, both MACE and incomplete LV functional recovery, in patients with acute myocarditis, while LGE is only a predictor of MACE.

      • KCI등재

        담화 자료를 기반으로 하는 중국어 연구 현황과 과제 - 영⋅미권 학술지를 중심으로

        이지원 한국중국어문학회 2018 中國文學 Vol.95 No.-

        본 연구는 최근 10년 간 영⋅미권 학술지에 발표된 담화 자료를 중심으로 하는 중국어 연구에서 나타나는 특징을 다각적인 측면에서 고찰하고자 한다. 이를 통하여 국내 중국어학계가 주목할 만한 점이 있는지 살펴보고 향후 나아가야 할 방향을 제시하고자 한다. This study aims to investigate the characteristics of Chinese language researches based on the discourse data published in the academic journals from England and America for the past decade. Recently, Chinese language-related researches in Britain and the United States have focused on diverse types of spoken discourses, breaking away from conventional written discourse-oriented studies. In the studies based on Chinese discourse data, the corpus mostly developed by individuals is usually used. In fact, the public one developed by colleges or research institutes for general public has been rarely utilized. In linguistic analysis based on Chinese discourse data, the mixed research methods which adopt at least two different research approaches focusing on the data regarding the native speakers who use Mandarin Chinese reveal the highest percentage. In order for Chinese-language academic studies in the Republic of Korea to properly respond to research changes which have recently been detected in England and America, it is needed to facilitate spoken discourse data-based studies by developing and utilizing large-scale spoken discourse corpus. Furthermore, it is required to promote pluridisciplinary convergence studies through cooperation between Chinese linguistics and other academic fields.

      • KCI등재

        비정상 자궁 출혈의 한의학적 치료에 대한 국내 연구 동향 분석

        이지원,김동철 대한한방부인과학회 2022 大韓韓方婦人科學會誌 Vol.35 No.3

        Objectives: This study was performed to analyze the domestic study trends on abnormal uterine bleeding treated with Korean medicine. Methods: We searched the studies of abnormal uterine bleeding treated with Korean medicine via searching four Korean web databases. After that, we analyzed 15 studies which were selected according to the selection and exclusion criteria. Results: All 15 selected studies were case reports, and the total number of patients included was 33. Herbal medicine was used in all patients, and Igwiseungyang-tang-gami and Jeonsaenghwalhyol-tang-gami were the most commonly used. Other Korean medicine treatment such as acupuncture and moxibustion were performed. Acupuncture point most frequently used in acupuncture treatment were 三陰交 (SP6), 太衝 (LR3), 合谷 (LI4), and in moxibustion treatment were 關元 (CV4), 中脘 (CV12), 氣海 (CV6). In all studies, uterine bleeding was reduced after treatment. Conclusions: This study shows that Korean medicine could be helpful in treating abnormal uterine bleeding. In order to increase the basis for clinical use in the future, high quality of additional studies should be conducted.

      • KCI등재

        Multinational Products for Consumer-Driven Global Sourcing Strategies

        이지원,Jae-Young OH,Eunji OH,신민석 한국유통과학회 2019 유통과학연구 Vol.17 No.8

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

        Purpose - This study aims to proposes a conceptual framework to segment multi-national products based on a Chinese consumer’s perception of multi-national products, to find the role of consumer ethnocentrism (CET) in country of origin (COO) effects for Chinese, and to figure out how different dimension of CET Effects on purchase intention developed market and home country. Research design, data and methodology – This study selected a 2×2×2 factorial design for the hypothesis test based on the product category × combination of manufactured type × Ethnocentrism level. This study distinguishes products between luxury (Burberry) and non-luxury (Nike) products and choose combination of manufactured type (Spain vs India/ Spain vs China) in order to perform comparative studies. A total of 223 Chinese participated in the experiment. After being exposed to each scenario, participants were asked to respond to questions about brand preference and purchase intention Results – Regarding to luxury made in developed country, it is worth that exposing COO information to low level of ethnocentrism consumers. Regarding to non-luxury product made in emerging country, it makes it worse when COO information to high level of ethnocentrism consumers. Lastly, regarding to non-luxury product, patriotic consumers prefer to purchase product made in home country.

      • KCI등재
      • KCI등재

        건축법상 의제되는 법률규정 위반사항의 사후적 발견에 따른 제재 가능성 검토 - 제주지방법원 2017고단1785 판결을 중심으로 -

        이지원 제주대학교 법과정책연구원 2019 法과 政策 Vol.25 No.2

        The evasion of the law is an illegal. It is necessary to prevent the illegal development like these evasion of the law problem. Because the National Land Planning Act and the Jeju Special Self-Governing Province Urban Planning Ordinance, which are established by the necessity of comprehensive and systematic development of the whole land. So it is it is necessary to prevent the illegal development and it is a natural sanction as long as the Homeland Planning Act persists. Accordingly Counted approval and permit has defect then it affect to Canceling the main decision, Building Permits. It can be positively reviewed in light of the public interest role of the National Land Planning Act. In connection with the application of the penal provisions subject Case is 2017go-dan1785 which is the first trial and it said the result of the administrative disposition such as the building permit leads to the development of the natural green area and the environment is destroyed so worried about the side effect, it will be regulated by administrative procedure not the Criminal procedure. But If you carefully examine the violations of individual laws and regulations, these Judgment Result are difficult to understand. To induce and more effective a legitimate administrative act, Administrative sanctions and the penalty provisions should work together. 법의 잠탈(潛脫)・탈법(脫法)행위는 곧 위법행위이다. 국지적인 일부개발보다는 전체 토지를 종합적이고 체계적으로 개발할 필요성에 의하여 제정된 「국토의 계획 및 이용에 관한 법률」과 「제주특별자치도 설치 및 국제자유도시 조성을 위한 특별법」의 위임을 받아 제정된 「제주특별자치도 도시계획 조례」는 제주특별자치도의 특수성을 반영하여 용도지역에서 하고자 하는 행위의 종류에 따라 가능한 개발행위 면적을 제한하고 있다. 이런 면적 제한규정을 잠탈(潛脫) 하는 편법적인 개발을 방지하는 것은 「국토의 계획 및 이용에 관한 법률」이 존속하는 한 당연한 행정과 사법(司法)의 의무인 것이다. 한편 주된 행정행위인 건축허가를 함에 있어 의제되는 법률행위인 개발행위허가에 하자가 있음을 이유로 하여 건축허가를 취소하는 것은 「국토의 계획 및 이용에 관한 법률」이 갖는 공익적 역할에 비추어 적극적으로 검토될 수 있다. 때문에 이와 연계되는 벌칙규정의 적용과 관련하여서도 적극적인 검토가 필요하다 할 것이다. 대상판결은 건축허가 등 행정처분의 결과가 자연녹지지역의 난개발로 이어져 환경이 파괴되는 등 부작용이 우려된다면 이를 사후에 허가취소 하는 등 행정적인 절차에 의해 규제를 할 것이지 형사처벌까지 할 사안은 아니라고 판시하였다. 하지만 개별 법규의 위반으로 인한 벌칙규정 해당성에 대하여 면밀하게 검토하여 보면 대상판결의 이러한 결론은 납득하기 어려운 측면이 있다. 특히 다양한 수법의 각종 위반의 행태를 모두 나열하여 정할 수 없는 입법의 한계를 고려한다면 구체적 사안에 대한 법적평가에 있어서는 각종 법규가 벌칙규정을 정한 공익보호 측면의 입법목적을 고려하여야 할 것이다. 일단 한 번 훼손되면 다시 회복되기 어려운 난개발을 미연(未然)에 방지하고 국토를 적정하게 이용하도록 지도・감독하여 적법한 행정행위로 유도하는 것은 법규가 정하는 행정 제재와 함께 벌칙규정도 실효성 있게 작용할 때 보다 더 효과를 발휘할 것이므로 적극적 판단이 필요하다.

      • KCI등재

        SRU 프로토콜을 이용한 접근점제어 시스템의 구축과 활용에 관한 연구

        이지원,김태수 한국정보관리학회 2005 정보관리학회지 Vol.22 No.1

        This study proposes a national cooperative model of access point control, that enables local systems to utilize national access point control record, without creating their own authority records. In order to applying this model, a client/server system is developed using SRU (Search and Retrieve URL Service) protocol. The suggested access point control system will be a cost-effective and time-saving model for the local system, and will be more flexible and extensible with concept of access point control, XML record format and SRU protocol. 이 연구에서는 접근점제어를 위한 국가적인 협력 모형을 전제로, 자관의 전거레코드를 별도로 구축운영하면서 서지레코드와 연결하는 방안 대신, 기 구축된 국가 접근점제어 레코드를 자관의 서지레코드와 바로 연계하여 활용할 수 있는 방안을 제시하였다. 이를 위하여 ZING(Z39.50 International: Next Generation)의 SRU (Search and Retrieve URL Service) 프로토콜을 적용하여 클라이언트/서버 시스템을 구축하였다. 이 연구에서 구축한 접근점제어 시스템은 로컬기관 전거제어 시스템 구축에 소요되는 비용과 시간을 절감할 수 있으며, 전거형 선정을 배제한 접근점제어 레코드의 이용, XML 레코드 형식 및 SRU 프로토콜의 도입을 통하여 기존 전거제어 협력 모형에 비해 보다 편리하고 융통성있게 활용될 수 있을 것이다.

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