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제지공정 Short Circulation의 동특성 해석
전준석,여영구,김영곤,강홍,Jeon, Jun-Seok,Yeo, Young-Gu,Kim, Young-Gon,Kang, Hong 한국펄프종이공학회 2003 펄프.종이기술 Vol.35 No.4
Analysis of the elements affecting short circulation in highly integrated paper mills and identification of the interactions among these elements are very important tasks to prevent operational perturbations such as web breaks. In the present work a dynamic model for the short circulation is developed to analyze tuning methods for the outputs to follow set points during grade change operations. Steady state operation data are used to investigate dynamic characteristics of responses for input changes.
제 2형 당뇨병 환자에서 발생한 미세변화 신증후군 3례
전준석 ( Jun Seok Jeon ),이정은 ( Jung Eun Lee ),이진희 ( Jin Hee Lee ),정병호 ( Byeong Ho Jeong ),조아진 ( A Jin Cho ),권기영 ( Gee Young Kwon ),허우성 ( Woo Seong Huh ),김윤구 ( Yoon Goo Kim ),김대중 ( Dae Joong Kim ),오하영 ( H 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.1
Diabetic nephropathy is a common and serious complication of diabetes characterized by persistent proteinuria, hypertension and a progressive decline of renal function. However, non-diabetic renal disease can be present in diabetic patients and differential diagnosis of treatable disease is important. Minimal change nephrotic syndrome is characterized by normal light microscopic finding and effacement of foot process in electron microscope, but foot process effacement is not specific and it can be present in the glomeruli of the most glomerulopathy including diabetic nephropathy. Therefore, pathologic diagnosis of minimal change nephrotic syndrome combined with diabetic nephropathy is very difficult. However, we could exclude other glomerulopathy and diagnose minimal change nephrotic syndrome by clinical features in three type 2 diabetic patients with diabetic nephropathy and have successfully treated with corticosteroid.
다양한 체육활동참여가 아동들의 신체활동태도에 미치는 영향
오경록(Oh Kyung-Rok),전준석(Jeon Joon-Seok),최준재(Choi Jun-Jae) 한국체육과학회 2008 한국체육과학회지 Vol.17 No.2
The purpose of this study was to investigate what attitude toward physical activityin elementary school students have affirmative and maintain their interest in physical activities and help them lead a cheerful school life. Surveyed group were divided into school sports, movement education, and club sports participation. A questionnaire developed by Schutz, Smoll, Carre and Mosher(1985) on the CATPA(children's attitudes toward physical activity inventory) inventory was used for this study. The following conclusions were drawn : The movement education and club sports show affirmative toward physical activity in attitude for healthy body and fitness development better than that of group with school physical education participation. The movement education and club sports show affirmative toward physical activity in attitude for social development better than that of group with school physical education participation. The movement education, club sports, and school physical education show not toward physical activity in attitude for continual social relation.
심부정맥혈전증이 동반된 Churg-Strauss 증후군
정승민 ( Seung Min Chung ),이진희 ( Jin Hee Lee ),전준석 ( Jun Seok Jeon ),조아진 ( A Jin Cho ),정윤진 ( Yun Jin Jeung ),이병재 ( Byeoung Jae Lee ),최동철 ( Dong Chull Choi ),김태은 ( Tae Eun Kim ) 대한천식알레르기학회 2011 천식 및 알레르기 Vol.31 No.2
Churg-Strauss syndrome (CSS) is a rare multi-system vasculitis. Patients with CSS are at greater risk of venous thromboembolic events. However, venous thrombosis is rarely reported in patients with CSS in Korea. We report 1 patient with CSS who experienced deep vein thrombosis. A 27-year-old man was admitted to our hospital due to fever, cough, skin rash on both lower extremities, and right leg edema. He was diagnosed with CSS based on a history of asthma, peripheral eosinophilia, transient pulmonary infiltrates on chest radiograph, and extravascular eosinophils in the skin biopsy specimens. After steroid pulse therapy and the first cycle of intravenous pulse cyclophosphamide therapy, right leg edema did not resolve. Venous ultrasonography and CT angiography detected deep vein thrombosis involving the right common iliac, femoral and calf veins. The patient received both anticoagulation therapy and intravenous pulse cyclophosphamide therapy. After 6 months of anticoagulation therapy and the 9 cycles of intravenous pulse cyclophosphamide therapy, deep vein thrombosis completely resolved. (Korean J Asthma Allergy Clin Immunol 2011;31:148-152)
증례 : 호흡기 ; 색전술로 치료한 폐동맥 가성동맥류 1예
정병호 ( Byeong Ho Jeong ),이진희 ( Jin Hee Lee ),전준석 ( Jun Seok Jeon ),조아진 ( A Jin Cho ),송재욱 ( Jae Uk Song ),신성욱 ( Sung Wook Shin ),서지영 ( Gee Young Suh ) 대한내과학회 2011 대한내과학회지 Vol.80 No.2S
폐동맥 가성동맥류는 패혈성 폐렴의 드문 합병증으로 발생할 수 있으며 대량객혈로 이어질 위험성이 높아 치명적일 수 있다. 대량객혈을 동반한 폐동맥 가성동맥류의 치료는 색전술 또는 수술이지만, 색전술 시행 후 폐동맥 가성동맥류의 경과는 보고된 적이 없었다. 저자는 59세 남자가 패혈성 폐렴에서 회복 중 대량객혈을 하여 흉부 전산화단층촬영을 시행하였고, 폐동맥 가성동맥류를 발견하여 폐동맥 색전술로 치료하였다. 이후 외래 추적도중 시행한 단순흉부촬영상에서 색전물질에 의한 방사선 비투과성 병변은 수개월에 걸쳐 서서히 작아졌다. 결국, 색전술 후 14개월째 시행한 흉부 전산화단층촬영에서 폐동맥 가성동맥류와 색전물질이 완전히 사라졌음을 관찰하였다. Pulmonary artery pseudoaneurysm (PAP) is a rare complication of septic pneumonia. It is potentially fatal because of the risk of massive hemoptysis. Treatment of PAP involving massive hemoptysis is by embolization or surgery. However, the progression of PAP after embolization has not been reported. A 59-year-old male who was recovering from septic pneumonia experienced massive hemoptysis. Computed tomography (CT) revealed PAP of the right pulmonary artery with surrounding consolidation, suggesting active hemorrhage. The patient was successfully treated with embolization of the right pulmonary artery. During outpatient follow-up, the amount of radiopaque embolized material gradually decreased on chest radiography. At 14 months after embolization, both the PAP and embolized material had disappeared on chest CT. (Korean J Med 2011;80:S214-S219)
이진희 ( Jin Hee Lee ),민병훈 ( Byung Hoon Min ),이준행 ( Jun Haeng Lee ),전준석 ( Jun Seok Jeon ),정승민 ( Seung Min Chung ),정병호 ( Byeong Ho Jeong ),김경미 ( Kyoung Mee Kim ) 대한내과학회 2011 대한내과학회지 Vol.81 No.4
Heterotopic pancreas is a tissue histologically similar to normal pancreatic tissue found in a location other than the usual place, and having no anatomic or vascular connection with the pancreas itself. Heterotopic pancreas is usually asymptomatic and found incidentally. However, it can cause problems such as abdominal pain, melena, anemia, and severe bleeding. We report a case of a 29-year-old woman with obscure gastrointestinal bleeding caused by heterotopic pancreas located in Meckel`s diverticulum. Gastroduodenoscopy and colonoscopy showed no bleeding focus. By capsule endoscopy and double balloon enteroscopy, a bleeding focus was suspected in the ileum. The patient received a laparoscopic resection of the Meckel`s diverticulum. Pathologic examination revealed heterotopic pancreatic tissue within the muscular layer of the diverticulum. The patient recovered well without further bleeding. (Korean J Med 2011;81:492-495)
김정옥 ( Jung Ok Kim ),김은정 ( Eun Jung Kim ),민신영 ( Shin Young Min ),박윤경 ( Yun Gyoung Park ),조아진 ( A Jin Cho,Jun ),전준석 ( Seok Jeon ),김준수 ( June Soo Kim ) 대한내과학회 2011 대한내과학회지 Vol.81 No.2
We report the case of a 52-year-old man who had two syncopal episodes associated with coughing. Other than essential hypertension, he had no organic disease of the heart or lungs. Transient complete atrioventricular block following coughing was detected by electrocardiographic telemonitoring while resting. During that time, the patient experienced near-syncope similar to his previous syncopal episodes. He was treated successfully with permanent pacemaker implantation. (Korean J Med 2011;81:241-244)