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만성신부전 환자에서 심근 troponin I와 T 및 CK-MB의 진단적 의의
윤정이(Jung E Yun),이형철(Hyung Cheol Lee),이준상(June Sang Lee),박규용(Kyu Yong Park),박대균(Dae Kyun Park),구자룡(Ja Ryong Goo),김형직(Hyung Jik Kim),김근호(Gheun Ho Kim),전노원(Rho Won Chun),채동완(Dong Wan Chae),노정우(Jung Woo N 대한내과학회 2000 대한내과학회지 Vol.58 No.2
Background : Nonspecific elevations of CK-MB, cTnT have been well known in patients with chronic renal failure(CRF) on maintenance hemodialysis. It has been suggested that recently developed cTnI seldom shows nonspecific elevations in these patients. Status of CRF patients can be divided into three groups: predialysis group, hemodialysis group and peritoneal dialysis group. Until now, most researchers have studied CK-MB, cTnT and cTnI only in CRF patients receiving maintenance hemodialysis. No previous studies have ever compared the differences of the nonspecific positivity of CK-MB, cTnT and cTnI according to the different status of CRF patients. Methods : Nonspecific positive ratios of cTnI, cTnT, & CK-MB in were evaluated 20 predialysis patients, 13 CAPD patients and 20 hemodialysis patients. No one had had any evidence of myocardial ischemia during the previous 3 months before the study entry. The predialysis group was again divided into two groups according to the cut off level of serum creatinine of 3.0 mg/dl. Authors also compared the nonspecific positive ratios of cTnI, cTnT, CK-MB between diabetic CRF group and non diabetic CRF group. The sensitivity, specificity and false positive ratios of each enzymes were examined on and 6 hours after arrival in 21 CRF patients who visited the emergency room with the complaint of chest pain. Results : 1) There were no nonspecific significant elevations of cTnI in CRF patients regardless of the status of CRF. But there were significant nonspecific elevations of CK-MB, cTnT in them. It was more marked in cTnT especially with the cut-off value of 0.1 ng/ml. 2) Nonspecific positive ratios of cTnT was significantly increased in diabetic CRF patients. 3) The sensitivity and specificity of cTnI were 100% and 93.3% each, which were significantly higher than those of CK-MB(83.3%, 66.7%) & cTnT(66.7%, 53.3%). Conclusion : In CRF patients, the nonspecific positive ratios of CK-MB, cTnT were higher than that of cTnI, and only cTnI did show significant specific elevations in all the CRF patients with acute myocardial infarction. It is likely that the status of CRF patients, dialysis mode, the sampling time point would not give significant changes in the nonspecific positive ratios of CK-MB, cTnT and cTnI.(Korean J Med 58:204-212, 2000)
윤정이 ( Jeong E Yun ),곽은주 ( Eun Joo Kwak ),남정자 ( Jung Ja Nam ),김혜련 ( Hye Ryun Kim ),최호순 ( Ho Soon Choi ),배상철 ( Sang Cheol Bae ) 대한류마티스학회 2001 대한류마티스학회지 Vol.8 No.4
Objective: Based on the data of National Health and Nutrition Survey (NHNS), which was conducted by Ministry of Health and Welfare in 1998, we analyzed nutritional status among arthritis patients in Korea. Method: Nutrition survey was performed through interview which was subdivided to food intake survey, frequency of food intake survey, and dietary habits survey. Nutrient intake was calculated from the recall of food ingested in previous 1-day. Overall, 1,025 patients with arthritis and 2,773 normal controls recorded a detailed dietary history. Information collected was analyzed for intake of energy, fats, protein, carbohydrate, vitamins and minerals, which was then statistically compared between the arthritis patients and the control group. Results: In patients with arthritis, body mass index (BMI) was significantly greater than in control in both men and women. Patients with arthritis ingested significantly less energy from fat and more energy from carbohydrates. They ingested less dietary intakes of the following nutrients: protein, fat, carbohydrates, calcium, iron, vitamin A, B1, B2, and niacin. Especially, the intake of calcium and vitamin B2 were only about 60% of the Reference Daily Intake (RDI). Deficiency of calcium intake was predominantly revealed in all age groups, even in normal controls. Female patients with arthritis seemed to take less dietary intake than male. Conclusion: Using these national data, we showed that the deficiency of calcium intake was revealed in our population, and female patient with arthritis had a tendency to ingest less nutrient intake.
윤정한(Jeong-Han Yun),김우년(Woon-Nyon Kim),서정택(Jung-Taek Seo) 한국정보보호학회 2012 情報保護學會誌 Vol.22 No.5
제어시스템에 대한 사이버테러는 사회적, 경제적으로 큰 혼란을 발생시킬 수 있기 때문에 최근 제어시스템은 사이버테러의 제 1목표로 부각되고 있다. 이에 발맞추어 제어시스템 보안을 위한 연구 및 제품 출시가 많이 이루어지고 있다. 특히 제어시스템 가용성에 영향을 주지 않을 수 있는 제어시스템 네트워크 보안기술이 그 중심에 있다고 하겠다. 본 논문에서는 제어시스템 네트워크 보안에 대한 연구 및 제품의 동향을 살펴본다. 그리고 앞으로 제어시스템 네트워크 보안기술 연구시 필요한 사항들을 짚어본다.
양측 액와 유방 접근 내시경 갑상선 절제술에 대한 5년간의 분석
박윤철(Yun Chul Park),유영재(Young Jae Ryu),조진성(Jin Seong Cho),윤정한(Jung Han Yoon),박민호(Min Ho Park) 대한갑상선-내분비외과학회 2015 The Koreran journal of Endocrine Surgery Vol.15 No.2
Purpose: We investigated the efficacy and safety of endoscopic thyroidectomy using bilateral axillo-breast approach (BABA) by analyzing short term surgical outcomes. Methods: We retrospectively evaluated 355 patients who underwent BABA endoscopic thyroidectomy between August 2006 and December 2011 at Chonnam National University Hospital and Hwasun Chonnam National University Hospital. The age, sex, clinical and pathologic characteristics of tumors, extent of operation, conversion rate to open thyroidectomy, operation time, hospital stay, thyroglobulin levels after thyroidectomy, recurrence, and complications were analyzed retrospectively. Results: The mean age of the patients was 35 years. The 355 patients comprised 345 females (97.2%) and 10 males (2.8%). The benign tumor was 37 cases (10.4%) and the malignant tumor was 318 cases (89.6%). 28 patients (75.7%) of the benign tumor underwent lobectomy. In malignant tumor, 159 patients (50.0%) underwent lobectomy and 152 patients (47.8%) underwent total thyroidectomy. Mean operation time was 121.1±49.9 minutes, and mean hospital days were 3.4±1.1 days. 21 (6.0%) transient hypocalcemia and 7 (2.0%) permanent hypocalcemia were occurred. The transient voice change occurred in 5 patients (1.4%), but nobody suffered from the permanent recurrent laryngeal nerve injury. 4 patients of recurrent (1.3%) papillary thyroid carcinoma were treated by surgery. Conclusion: Compare to open thyroidectomy with long term follow up studies, BABA endoscopic thyroidectomy is a useful treatment option for both benign and malignant thyroid tumor.
Endothelin-1에 의한 phospholipase C 활성화와 세포내 Ca2+ 이동에 미치는 protein kinase 들의 효과
조중형(Jung Hyung Cho),김현준(Hyun Jun Kim),이윤혜(Yun Hye Lee),박진형(Jin Hyoung Park),장용운(Youn Un Jang),이승준(Seung June Lee),이준한(June Han Lee),윤정이(Jeong Yi Yoon),김창종(Chang Jong Kim),심상수(Sang Soo Sim) 대한약학회 2000 약학회지 Vol.44 No.2
To investigate the effects of protein kinases on endothelin-l-induced phospholipase C activation and Ca2+ mobilization in Rat-2 fibroblast, we measured the formation of inositol phosphates and intracellular Ca2+ concentration with [3H]inositol and Fura-2/AM, respectively. Endothelin-1 dose-dependently activated phospholipase C and increased intracellular Ca2+ concentration. Protein kinase C activator, PMA, significantly inhibited both phospholipase C activity and Ca2+ mobilization induced by endothelin-1. Tyrosine kinase inhibitor, genistein, inhibited both. On the other hand, cyclic nucleotide (cAMP and cGMP) did not have any influence on the signaling pathway of phospholipase C-Ca2+ mobilization induced by endothelin-1. These results suggest that protein kinase C and tyrosine kinase counteract on the signaling pathway of phospholipase C-Ca2+ mobilization induced by endothelin-1 in Rat-2 fibroblast.