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Min Suek Kim(김민석),Ji Young Kim(김지영),Ji Yeong Kwak(곽지영),Keum Seok Kang(강금석) 한국해안해양공학회 2015 한국해안해양공학회 논문집 Vol.27 No.5
서남해 해상풍력 실증단지 건설의 기초단계로 실증단지 예정부지에서 해상작업가능시간을 산정하고 분석하였다. 활용 자료로는 해모수 기상타워의 해양 및 기상자료와 기상청 수치모델 자료이다. 해상작업이 가능한 파고와 풍속 기준을 선정하고 기준별 작업시간을 산정한 결과 계절적으로는 고파랑이 지나가는 겨울의 작업시간이 봄, 가을보다 적은 것으로 나타났고 여름의 경우 작업시간이 가장 많은 것으로 나타났다. 그러나 월별로는 7,9월보다 5,6,8월에 가장 많은 작업시간이 나타났다. 그리고 파고1.5 m와 풍속 8 m/s 이상의 기상조건에서는 파고와 풍속이 증가하더라도 작업시간은 크게 변하지 않는 것을 확인할 수 있었다. As a preparation process for successful establishment of demonstration offshore wind farm, analyses have been made for working time at the construction site where working time is defined as the time available for marine operation to take place under given weather conditions. Data used are hourly wave and wind data from met mast, HeMOSU-1, and 3 hour numerical model data from Korea Meteorological Administration (KMA). Seasonal results show the minimum working time during winter and moderate during autumn and spring. The most working time was seen during summer on average. Monthly analyses show the most working time in May, June, and August which was higher than the working time in July and September. Working time reaches at steady state and no significant change was seen above wave height of 1.5 m and wind speed of 8 m/s.
증례 : 신장 ; 빠른 체중 감량 후 발생된 급성 신정맥 혈전증과 폐 혈전색전증
김세란 ( Sei Rhan Kim ),이민정 ( Min Jeong Lee ),곽지영 ( Ji Yeong Kwak ),이승경 ( Seung Kyung Lee ),신규태 ( Gyu Tae Shin ),김흥수 ( Heung Soo Kim ),박인휘 ( In Whee Park ) 대한내과학회 2012 대한내과학회지 Vol.83 No.4
Renal vein thrombosis (RVT) is rare and primarily observed in children with severe dehydration or in adults in a hypercoagulable state. This diagnosis is rarely considered when it occurs in adults. We report a case of a young man who had weight loss of 8 kg in 2 weeks accompanied by dehydration with excessive exercise, and he developed a right RVT with a pulmonary thromboembolism. The man had a 3-year history of essential hypertension and was admitted to the hospital because of severe right-flank pain. A RVT and pulmonary thromboemboli were visualized by computed tomography. No abnormal results were observed on coagulation tests, and no evidence of malignancy was found. We concluded that the RVT and pulmonary thromboembolism were induced by dehydration. Even though the patient was an adult, rapid weight loss with dehydration may cause RVT and unusual thromboembolic events must be suspected to avoid a delay in the diagnosis. (Korean J Med 2012;83:510-513)
전신홍반루푸스 환자에서 Corticosteroids 복용 중에 B형 간염이 활성화한 1예
곽지영 외 중앙대학교 의과대학 의과학연구소 2011 中央醫大誌 Vol.36 No.3/4
Hepatitis B virus (HBV) infection is endemic in Asia and reactivation of HBV is a well recognized complication in infected patients who undergo cytotoxic chemotherapy for cancer and immunosuppressive therapy. Since immunosuppressant can facilitate viral replication and lead to reactivation of HBV, the management of systemic lupus erythematosus (SLE) patients who are HBsAg-positive presents a clinical challenge. We report here on a 29-year old female with SLE and HBsAg positivity who presented hepatitic flare during corticosteroid treatment only. HBsAg carriers who receive cytotoxic or immunosuppressive therapy are at considerable risk of reactivation of HBV infection. Antiviral prophylaxis is clinically efficacious as primary prophylaxis to prevent HBV reactivation. Risk factors allowing patient stratification for HBV reactivation include foremost the HBV DNA level before initiation of immunosuppresive treatment, including corticosteroids. Monitoring for development of acute flare of HBV should be performed by serial measurement of HBV DNA and liver enzymes regularly.
Choi, Yong-Woo;Kim, Sun-Mi;Jin, Xiong-Jie;Kwak, Ji-Yeong;Jung, Ju-Yang;Mun, Jun-II;Lim, Hong-Seok 중앙대학교 의과대학 의과학연구소 2012 中央醫大誌 Vol.37 No.1/2
The use of drug eluting stent (DES) has been increased in recent years because of its ability to inhibit neointimal proliferation. However, it may affect the normal healing process of the vessel wall after vascular injury and may be associated with coronary artery aneurysm formation in rare cases. We report a case of angiographic spontaneous resolution of coronary aneurysm developed after implantation of sirolimus-eluting coronary stent at the left anterior descending artery, diagonal branch, and left circumflex artery. But, there was discrepancy between intravascular ultrasound (IVUS) and coronary angiographic findings. IVUS demonstrated no significant shrinkage of maximal external elastic membrane (EEM) compared to earlier examination but echogenic tissue was filled in the free space between the stent and EEM at the stented segments where the angiographic resolution of the aneurysm occurred. We found out that an angiographic resolution of coronary aneurysm does not always guarantee real shrinkage of vessel wall, and fill-up of aneurismal space with thrombus or tissue could be an important mechanism of spontaneous resolution of DES related coronary aneurysm. Optimal treatment could be decided based on longer-term follow-up of patients which provide more accurate characterization of the consequences of DES-related aneurysm.