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이양규,김중근,추장식,한병철,진승범,양상기,송창섭,신미경 대한내분비학회 1994 Endocrinology and metabolism Vol.9 No.1
We experienced a case of aldosterone and cortisol secreting adrenal adenoma associated with pregnancy in a 23 year old female patient. The patient complained of severe thoraco-lumbar pain, weight gain, sweating, anxiety, and mild abdominal discomfort. On physical findings, hypertension, tachycardia, facial plethora, moon face, buffalo hump and truncal obesity were found. Laboratory findings showed hypernateremia and hipokalemia. Endocrine tests included decreased renin and P·ACTH, increased aldesterone, cortisol and 24 hr urine free cortisol, and not suppressed Dexamethasone supression test. Abdomial CT scan demonstrated 4×3.5×3㎝ sized, well encapsulated mass, not associated with central necrosis or metastasis. Unilateral total adrenalectomy was performed and confirmed to benign adrenal (J Kor Soc Endocrinol 9: 39∼45, 1994)
비당뇨성 말기신부전환자에서 복막투석 중 발생한 고혈당증 및 고삼투압증후군 1 예
김윤석,이양규,김중근,추장식,서상렬 대한내과학회 1995 대한내과학회지 Vol.48 No.1
In non-diabetic end-stage renal disease patients, blood glucose concentrations have not significantly changed over time on CAPD. But hypergycemia and hyperosmolality may develop with the use of hypertonic dextrose solutions for peritoneal dialysis. Hyperglycemia without ketosis can cause coma, convulsions, shock, or death. Severe disturbances in brain function are a consequence of the high collection of glucose in the extracellular fluids resulting in intracellular dehydration. A 54-year-old male, non-diabetic end-stage renal disease patient, who had been taken CAPD for 16 months, was hospitalized because of drowsy mental state. He used 4.25% glucose solution for peritoneal dialysis 3 times in a day because of edema. He revealed hyperglycemia and hyperosmolality. Serum glucose level and osmolality returned to normal after injection of normal saline and insulin.
LCC분석을 통한 궤도도상구조의 적정 유지관리수준 선정에 관한 연구
안국(An Kook),이호열(Lee Ho-Yeol),추장식(Chu Jang-Sik),박미연(Park Mi-yun),임종권(Lim Jong-kwon) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
Several research institutes including KISTEC and KRRI etc., recently, have studied maintenance activities and performance, in order to determine proper maintenance level and maintenance cost of rail tracks. But it may extremely difficult to make a decision in maintenance matters of concrete track and ballast containing other sub-components. For these reasons, this study investigate variables related to current maintenance, essential maintenance, and preventive maintenance. It is intended to suggest estimation method of proper maintenance cost maximizing rail track performance. It is stated that proposed approach may be very useful to make a decision of proper maintenance level. Typical section of rail track is applied for calculation of life cycle cost according to each maintenance strategy. A proper profile for maintenance is determined minimum life cycle cost.
빈혈을 동반한 만성신부전에서 Recombinant Human Erythropoietin 의 효과
이경생(Kyoung Saeng Lee),이인생(In Saeng Lee),한수용(Su Yong Han),추장식(Jang Sik Choo),서상렬(Sang Yeol Suh),송창섭(Chang Sup Song) 대한내과학회 1993 대한내과학회지 Vol.45 No.1
N/A Background: Anemia is a major complication of chronic renal failure. Recombinant human erythropoietin (rhuEPO) has proven to be a highly effective treatment for the anemia of end-stage renal disease. Methods: We administered rhuEPO to 15 anemic patients of end-stage renal disease who were undergoing hemodialysis. Recombinant human erythropoietin was given intravenously twice a week after dialysis. Transfusion requirements, hemoglobin, hematocrit, reticulocyte, ferrokinetics, BUN, creatinine, electrolytes and adverse reactions were monitored. Results: 1) In 15 patients treated for 8 weeks, hemoglobin level increased from initial mean (±SD) 6.4±0.64 g/dl to 8.6±0.69g/df (p<0.01). Hematocrit level increased from initial mean 18.9±1.79% to 25.2±3.36% (p<0.01). Reticulocyte level increased from initial mean 1.2±0.93% to 2.1±1.02% (p<0.01). 2) Serum iron level decreased from initial mean 128.3±98.54 ㎍/dl to 95.4±75.41 ㎍/dl (p<0.01) and ferritin level decreased from initial 1454.3±732.52±52 ng/dl to 1213.5±534.43 ng/dl (p<0.05). 3) There were no significant differences in the serum levels of BUN, creatinine, Na K and phosphorus before and after the treatment. 4) Adverse reactions of rhuEPO were observed in 2 patients. One was occlusion of arteriovenous fistula and the other was severe itching sensation. 5) The patients were transfused 1.6 pints of packed red cell per month before the treatment, but they no longer needed transfusion after the treatment. Conclusion: These results suggest that recombinant human erythropoietin is safe and may eliminate the need for transfusion in anemic patients of end-stage renal disease.