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반코마이신 내성 장구균 감염에 대한 quinupristin-dalfopristin 치료 경험
추은주,최상호,조영환,정선미,김백남,김남중,김미나,김양수,우준희,류지소 대한화학요법학회 2002 대한화학요법학회지 Vol.20 No.1
VRE 감염이 중환자에서 급속히 증가하고 있으나 이에 대한 확실한 치료제가 없어 새로운 항생제에 대한 활발한 연구가 있는데 그 중 하나가 quinupristin/dalfopristin이고, 저자들은 중증 환자들의 VRE 감염에 대해 quinupristin/dalfopristin를 투여하여 치료한 임상적 경험을 하였기에 문헌고찰과 함께 보고하는 바이다. Vancomycin-resistant enterococci (VRE) was first recognized in 1992 in Korea. VRE infection have been increasingly reported in immunosuppressed patients over the past decade and have become one of major nosocomial pathogens. Clinicians carings for patients with VRE infections face severe constraints in the selection of treatment. Quinupristin/dalfopristin is active in vitro againt vancomycin-resistant E. faecium (VREF), with a MIC_(90) of 1.0㎍/mL. We studied the clinical efficacy and safety of this agent in the treatment of VREF infection. Patients were included if they had signs and symptoms of active infection including bacteremia, intra-abdominal infection, and wound infection. A total of 13 patients with VREF infection were enrolled. A favorable clinical response (cure or improvement) occured in 10 of 11 evaluable patients. The only adverse events related to quinupristin/dalfopristin were arthralgia and myalgia, which occurred in 2 of 13 patients. These results suggest that quinupristin/dalfopristin is effective and safe as treatment for VREF infections in critically ill patients with serious underlying conditions.
Baek, Chul Seoung,Cho, Kye Hong,Ahn, Ji-Whan The Korean Ceramic Society 2014 한국세라믹학회지 Vol.51 No.2
Precipitated calcium carbonate(PCC) inorganic fillers for plastic offera higher replacement ratio with improved mechanical properties than any other inorganic fillers. Due to its secure economic feasibility, its fields of application areexpanding. For optimized PCC grain size and polymer replacement ratio, it is good to maintain at least $0.035{\mu}m$ grains and keep double the grain size of distance between particles, depending on the molecular weight and volume replacement rate of the polymer. PCC has unique characteristics, ie, with smaller grain size, dispersibility decreases, and if grain size is not homogenous, polymer cracking occurs. The maximum replacement ratio of PCC is approximately 30%, but in the range of 10 - 15% it produces the highest mechanical strength. When mixed with a biodegradable plastic like starch, it also improves initial environmental degradability.
백강현,윤기영,최호정,정성목,이영원,조성환,박성준 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2011 動物醫科學硏究誌 Vol.18 No.1
Fine needle aspiration(FNA) cytology is considered as the diagnostic technique of choice in the assessment of swellen lymph nodes. The aim of this study is to determine the indication and diagnostic method of FNA of lymph node lesions performed at Veterinary Medicine Teaching Hospital of Chungnam National University. The records of 16 patients which had undergone FNA during the study period were retrieved. The cytological results were classified as lymphadenitis, lymphoid hyperplasia and lymphoma. Lymphoma cases were classified as B-cell origin and T-cell by immunophenotyping. The result of the FNA cytological diagnosis showed that nine (56%) of the patients were lymphoma, five (31%) of the patients were lymphoid hyperplasia and two (13%) of the patients were lymphadenitis.
Minsung Cho,Hyeok-Hee Lee,Jang-Hyun Baek,Kyu Sun Yum,Min Kim,Jang-Whan Bae,Seung-Jun Lee,Byeong-Keuk Kim,Young Ah Kim,JiHyun Yang,Dong Wook Kim,Young Dae Kim,Haeyong Pak,Kyung Won Kim,Sohee Park,Seng 한국역학회 2024 Epidemiology and Health Vol.46 No.-
OBJECTIVES: The escalating burden of cardiovascular disease (CVD) is a critical public health issue worldwide. CVD, especially acute myocardial infarction (AMI) and stroke, is the leading contributor to morbidity and mortality in Korea. We aimed to develop algorithms for identifying AMI and stroke events from the National Health Insurance Service (NHIS) database and validate these algorithms through medical record review. METHODS: We first established a concept and definition of “hospitalization episode,” taking into account the unique features of health claims-based NHIS database. We then developed first and recurrent event identification algorithms, separately for AMI and stroke, to determine whether each hospitalization episode represents a true incident case of AMI or stroke. Finally, we assessed our algorithms’ accuracy by calculating their positive predictive values (PPVs) based on medical records of algorithm-identified events. RESULTS: We developed identification algorithms for both AMI and stroke. To validate them, we conducted retrospective review of medical records for 3,140 algorithm-identified events (1,399 AMI and 1,741 stroke events) across 24 hospitals throughout Korea. The overall PPVs for the first and recurrent AMI events were around 92% and 78%, respectively, while those for the first and recurrent stroke events were around 88% and 81%, respectively. CONCLUSIONS: We successfully developed algorithms for identifying AMI and stroke events. The algorithms demonstrated high accuracy, with PPVs of approximately 90% for first events and 80% for recurrent events. These findings indicate that our algorithms hold promise as an instrumental tool for the consistent and reliable production of national CVD statistics in Korea.
Application Services of USN and Smart phones
김진환(Jin-Whan Kim),조재현(Jae-Hyun Cho),김광백(Kwang-Baek Kim) 한국컴퓨터정보학회 2012 한국컴퓨터정보학회 학술발표논문집 Vol.20 No.2
USN(Ubiquitous Sensor Network) technology is going to enhance important elements in the ubiquitous society including quality of life, industry, productivity, convenience, stability and transparency. Various services using USN and smart phones have been developed and more widely used. This paper discusses various application services.
결절성 황색종 , 편평 확색종 , 수장선상 황색종을 동반한 제 IIb형 과지질단백혈증 1 예
김진백,박준홍,황규왕,조문균,송무현,김완수 대한피부과학회 2002 大韓皮膚科學會誌 Vol.40 No.1
We report a case of type IIb hyperlipoproteinemia associated with xanthoma tuberosum, xanthoma planum and xanthoma striatum. Serum lipoprotein electrophoresis showed increased beta fraction and pre- beta fraction, suggesting type IIb hyperlipoproteinemia.
A Study on an Advanced Evaluation Method for Dynamic Signature Verification System
Kim, Jin-Whan,Cho, Jae-Hyun,Kim, Kwang-Baek The Korea Institute of Information and Commucation 2010 Journal of information and communication convergen Vol.8 No.2
This paper is a research on an evaluating method for the dynamic signature verification system. It is described about various factors such as error rate, the size of signature verification engine, the size of the characteristic vectors of a signature, the ability to distinguish similar signatures, the processing speed of signature verification and so on. This study identifies factors to consider in evaluating signature verification systems comprehensively and objectively without an officially approved signature database, examines the meaning of each of the factors, and proposes criteria for evaluating and analyzing the factors.
백철승(Chul-Seoung Baek),서준형(Jun-Hyung Seo),조진상(Jin-Sang Cho),안지환(Ji-Whan Ahn),조계홍(Kye-Hong Cho) 한국세라믹학회 2019 세라미스트 Vol.22 No.2
The possibility of economic exchange with North Korea is increasing, but there is still a shortage of information of cement industry, which occupies the largest proportion of North Korean construction material industry. Therefore, this study researched the status of cement production facility management using satellite photographs of 16 cement factories in North Korea, and examined the operating status of North Korean cement industry by observing smoke discharged from the chimneys of the cement production facilities. When the satellite photographs were analyzed, it was observed that the monthly stack fog ratio of the North Korean cement factories was 55% in 2016, 60% in 2017 and nearly 65% in 2018. This demonstrates that the average operating ratio has been increasing continuously. However, the operation rate of the five major cement factories reaches the limit, actual cement production is estimated to have maintained the previous level or small increased.