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전신성 홍반성 루푸스 환자에서 대장천공을 유발한 거대세포바이러스 대장염
오승일 ( Seung Il Oh ),이오영 ( Oh Young Lee ),오광택 ( Kwang Taek Oh ),이재형 ( Jae Hyung Lee ),박재홍 ( Jae Hong Park ),엄완식 ( Wan Sik Uhm ),이혜순 ( Hye Soon Lee ),김태환 ( Tae Hwan Kim ),전재범 ( Jae Bum Jun ),정성수 ( Sung 대한류마티스학회 2003 대한류마티스학회지 Vol.10 No.1
Cytomegalovirus (CMV) infection is a common human viral infection, affecting 40% to 100% of normal adult, especially in the immune compromised patients. CMV infection can produce variable gastrointestinal (GI) diseases in healthy adults, but can cause severe life-threatening illness involving many organs, including lung, retina, central nervous system, liver and GI tract in immunocompromised host. We experienced CMV colitis with colon perforation in a SLE patient during low dose steroid and azathioprine therapy, and she recovered after medical treatment without surgical interventions. A 33-year-old woman was diagnosed as SLE 7 years ago and treated with low dose, immunosuppressive therapy during 6 years. She complained of a severe abdominal pain and hematochezia. She was diagnosed as CMV colitis with colon perforation by pathologic, immunologic and image studies. After medical treatment, such as intravascular ganciclovir, there was progressive medical improvement, but has been a recurrent CMV colitis with lower GI bleeding.
정원재(Won-Jae Jung),박민혁(Min-Hyeok Park),최진규(Jin-Kyu Choi),남광식(Kwang-Sik Nam),조상(Zhao Shang),이재형(Jae-Hyung Lee),이석순(Seok-Soon Lee) 한국기계가공학회 2014 한국기계가공학회지 Vol.13 No.4
Roll forming technology has a problem in that it depends only on experience without accurate data in the actual field. To solve this problem, it is necessary to procure accurate data during the roll forming process. To this end, we determined the operating force and the material thickness by implementing several changes to those variables during an experiment. This study compares the FEA results and experimental results. Experimental results were used for the basic data of the design. The FEA results show that the roll forming machine is operating accurately and safely. And, a comparison of the results shows that the design of the automatic roll forming machine is operating in the right way. This design of an automatic roll forming machine will be helpful for many areas of the industry.