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김연수(Y . S . Kim),이중건(J . G . Lee),정윤철(Y . C . Jung),이진학(J . H . Lee),최영진(Y . J . Choi),안규리(C . Ahn),한진석(J . S . Han),김성권(S . Kim),김병국(B . K . Kim),이정상(J . S . Lee),이현순(H . S . Lee) 대한내과학회 1994 대한내과학회지 Vol.46 No.2
Castlemam's disease is an asymptomatic and benign lymph node hyperplasia which is frequently manifested as mediastinal mass in over 70% of cases. Amyloidosis is rarely associated with Castleman's disease. Recently we experienced a patient with nephrotic syndrome due to renal amyloidosis who had been previously diagnosed as Castleman's disease of retroperitoneal lymph node enlargement. A 47-year old woman was admitted because of generalized edema and chest tightness. Five months ago she diagnosed as Castlman's disease-plasma cell type, of retroperitoneal lymph node enlargement. The patient was followed up through outpatient department without any specific medication. Physical examination showed pale conjunctivae, palpable mass on epigastric area and pretibial pitting edema. The hemoglobin, leukocyte count and erythrocyte sedimentation rate were 96 g/L, 5.9×109/L and 127 mm/hour, respectively. The blood urea nitogen was 3.6 mmol/L and creatinine was 88 umol/L. The urinalysis showed 3 positive for albumin. Twentyfour hour urine contained 16.6 grams of protein. A computerized tomographic (CT) scan of the abdomen disclosed multiple lymph node enlargement at mesentery. Percutaneous needle biopsy of kidney showed massive infiltration of pale pinkish amorphous material in the glomerular tuft forming large nodules. Ultrastructural examination exhibited heavy deposition of amyloid fibrils in the mesangium and perpendicular to glomerular basement membrane. Polarizing microscopy with Congo-red stain revealed prominent yellow green birefringence in glomeruli, tubules and interstitium.
신동맥분지협착에 의한 신혈관성고혈압 예에서 캅토프릴투여후 99mTc - DMSA 신 스캔
양원석(W . S . Yang),김연수(Y . S . Kim),엄재호(J . H . Earm),김상은(S . E . Kim),이동수(D . S . Lee),한진석(J . S . Han),정준기(J . K . Chung),김성권(S . K . Kim),이명철(M . C . Lee),이정상(J . S . Lee),고창순(C . S . Koh) 대한핵의학회 1990 핵의학 분자영상 Vol.24 No.2
N/A Radionuclide renal scintigraphies were performed in a 24-year-old man with right renal artery branch stenosis. Captopril enhanced Tc-99m-DTPA renal scintigraphy revealed no abnormal finding in the right kidney But, Tc-99m-DMSA renal scintigraphy showed regional cortical photon deficient area corresponding to the area supplied by the stenotic branch artery. The defect size increased in captopril enhanced Tc-99m-DMSA renal scintigrphy and nearly disappeared after successful transluminal renal angioplasty. This case suggests that the captopril enhanced Tc-99m- DMSA renal scintigraphy may be a useful method in the evaluation of renovascular hypertension, especially due to branch renal srtery stenosis.
겨우살이의 급여가 육계의 생산성 및 혈액 특성에 미치는 영향
김지혁,김동욱,강근호,장병귀,유동조,나재천,김상호,이덕수,서옥석,최강덕,김성권,이규호,Kim, J.H.,Kim, D.W.,Kang, K.H.,Jang, B.G.,Yu, D.J.,Na, J.C.,Kim, S.H.,Lee, D.S.,Suh, O.S.,Choi, K.D.,Kim, S.K.,Lee, K.H. 한국가금학회 2007 韓國家禽學會誌 Vol.34 No.2
본 연구는 한국산 참나무 겨우살이를 육계에 급여하였을 때 생산성 및 혈액 특성에 미치는 영향을 구명하기 위해 실시하였다. 1일령 Ross 수평아리를 4처리 4반복, 반복당 30수씩 총 480수를 공시하였고, 실험 설계는 무항생제 사료, 항생제 첨가 사료, 겨우살이 0.5% 및 1.0% 처리구로 나누어 총 49일간 사육하였다. 실험 전 기간 처리구간에 사료 섭취량과 일당 증체량에 있어서는 유의차가 없었다. 실험 종료시 공장의 길이에 있어서 겨우살이 1.0% 처리구가 다른 처리구에 비해 증가하는 경향이나 유의하게 증가하였다(P<0.05). 실험 35일째, 맹장내 살모넬라 균수는 겨우살이를 급여함으로써 유의하게 감소하였다(P<0.05). 겨우살이 처리구에서는 대조구(+)에 비해 림프구와 단핵구의 수가 증가하는 경향 또는 유의하게 증가하였다(P<0.05). 따라서, 겨우살이의 사료 내 첨가급여는 육계에서 생산성 및 혈액 성상에 아무런 부정적인 영향을 미치지 않아 항생제 대체 물질로서의 이용 가능성이 있을 것으로 사료된다. The objectives of this study were to examine the effects of Korean mistletoe (KM) on performance and blood characteristics in broiler chickens. A total of four hundred eighty, 1-d-old male broiler chicks (Ross) were divided into 4 groups with 4 replicates of 30 birds each. The treatments were NC (antibiotics-free diet), PC (NC diet added antibiotics), 0.5% KM (NC diet added 0.5% of KM) and 1.0% KM (NC diet added 1.0% of KM), and the birds were raised for 49 days. There were no significant differences in feed intake and body weight gain among treatments. On d 49, the relative length of jejunum in 1.0% KM tended to be increased or significantly (P<0.05) increased compare to those of other groups. On d 35, the colony forming unit of Salmonella spp. of ceca significantly (P<0.05) decreased by feeding KM. The counts of lymphocyte of KM significantly (P<0.05) increased compare to those of the PC.
김성권 ( S G Kim ),시차자 ( C J See ),김경애 ( K A Kim ),김의종 ( E J Kim ),석종성 ( J S Suk ) 대한임상검사과학회 1992 대한임상검사과학회지(KJCLS) Vol.24 No.1
Vitek system, a fully automated in vitro testing system designed for identification and antimicrobial susceptibility test of microorganisms was introduced to The Seoul National University Hospital in 1985. Principal advantages of using this system are rapid identification of microorganisms and rapid reporting of the minimal inhibitory concentration values. Using Vitek system, 248 isolates from culture requested blood specimen in our hospital from April 11. 1991 to August 31. 1991 were identified and minimal inhibitory concentration test were performed. We summarized the data and obtained results as below. 1. 52.3% of catalase +, Gram ( +) cocci, 75% of catalase(-), Gram(+) cocci, 74.8% of Gram (-) glucose fermenters and 57.1% of glucose nonf ermenters were identified within 9 hour. 2. Mic values of 87.6% of Gram ( +) cocci ( catalase +,- ) and 86.6% of Gram ( - ) rods (glucose fermenters and nonfermenters) were obtained within 9 hour. 3. 32.5% of isolated organisms were reported within the test performed day by using Vitek system.
랜덤 포리스트를 이용한 비제어 급성 출혈성 쇼크의 흰쥐에서의 생존 예측
최준열,김성권,구정모,김덕원,Choi, J.Y.,Kim, S.K.,Koo, J.M.,Kim, D.W. 대한의용생체공학회 2012 의공학회지 Vol.33 No.3
Hemorrhagic shock is a primary cause of deaths resulting from injury in the world. Although many studies have tried to diagnose accurately hemorrhagic shock in the early stage, such attempts were not successful due to compensatory mechanisms of humans. The objective of this study was to construct a survival prediction model of rats in acute hemorrhagic shock using a random forest (RF) model. Heart rate (HR), mean arterial pressure (MAP), respiration rate (RR), lactate concentration (LC), and peripheral perfusion (PP) measured in rats were used as input variables for the RF model and its performance was compared with that of a logistic regression (LR) model. Before constructing the models, we performed 5-fold cross validation for RF variable selection, and forward stepwise variable selection for the LR model to examine which variables were important for the models. For the LR model, sensitivity, specificity, accuracy, and area under the receiver operating characteristic curve (ROC-AUC) were 0.83, 0.95, 0.88, and 0.96, respectively. For the RF models, sensitivity, specificity, accuracy, and AUC were 0.97, 0.95, 0.96, and 0.99, respectively. In conclusion, the RF model was superior to the LR model for survival prediction in the rat model.
산란사료 내 석회석에 대한 고막조개 패분의 부분 대체 급여가 산란후기의 난 생산성 및 난각질에 미치는 영향
박태순,유선종,김성권,안병기,강창원,ark T. S.P,Ryu S. J.,Kim S. K.,Ahn B. K.,Kang C. W. 한국가금학회 2004 韓國家禽學會誌 Vol.31 No.3
본 실험은 산란계의 칼슘 공급원으로서 국내산 고막조개패분(GAS)을 석회석과 대체하여 산란후기의 난각질에 미치는 영향을 조사하고, 부존 원료의 사료 자원화 가능성을 시험하기 위한 목적으로 수행하였다. 54주령 Hy-Line Brown Variety 산란계 암탉 200수를 공시하였고, Ca 3.6% 수준의 실험사료(Control)에 유사한 입자도의 GAS를 1%, 2% 및 3% 수준으로 석회석과 대체하여 첨가한 실험사료(GAS 1%, GAS 2% 및 GAS 3%)를 6주간 급여하였다. In vitro 용해도는 석회석에 비해 GAS에서 유의하게 낮은 것으로 나타났다(P < 0.05). 사료섭취량 및 난 생산성에서는 처리간에 통계적인 유의성이 있는 차이는 발견되지 않았다. GAS의 대체 수준이 증가함에 따라 주별 난각 강도 및 난각 두께가 증가하는 경향을 나타내었고, 전체 실험기간의 평균 난각 강도 및 두께의 결과에서는 처리간에 유의한 차이가 인정되었다(P < 0.05). 경골 파쇄 강도에서는 처리간에 큰 차이가 없었으나, 경골 내 회분 함량은 GAS 3% 급여구가 대조구에 비해 유의하게 높은 수치를 나타내었다. 혈청 내 Ca 및 P의 농도는 처리간에 큰 차이를 보이지 않았다. 본 실험의 결과로부터 산란사료내 석회석을 국내산 고막조개 패분으로 대체 급여를 통해 산란후기 난각질의 긍정적인 개선 효과를 기대할 수 있으며, 산란계 사료에서 Ca 공급원으로서 부존 자원의 효율적인 활용이 가능한 것으로 판단되었다. This experiment was conducted to examine the dietary effects of local granular ark shell(GAS) replacing limestone on egg shell quality in aged hens. A total of 200 Hy-Line Brown layers of 54-weeks-old were allotted into four treatments with five replications each. They were fed control(limestone only) 1% GAS, 2% GAS and 3% GAS diets for 6 weeks. GAS was substituted for coarse-type limestone at 0, 1, 2 or 3% of diet on weight basis. Particle sizes of limestone and GAS were within the ranges of 2~4 mm in diameters. In vitro HCl solubility of GAS was significantly lower(6.27 vs. 7.90%) compared to that of limestone(p < 0.05). The dietary treatment did not affect feed intake and egg production rate of the birds. Egg shell strength and thickness tended to be improved for birds fed the diets containing higher levels of GAS. The average egg shell strength and thickness of 2 or 3% GAS groups were significantly greater than those of the control (P < 0.05). The Tibial ash content of birds from 3% GAS group increased significantly as compared to that of the control. Tibial breaking strength, however, was not affected by the dietary treatment. Serum Ca and P contents of the birds were also not different among the dietary treatments. In conclusion, locally prepared GAS can be used as a calcium source in aged layer diet.