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제주도에서 브루셀라에 의해 발생한 특발성 세균성 복막염
허상택,조유경,김영리,이근화,윤지완,고관수,박미연,최영실 대한감염학회 2007 감염과 화학요법 Vol.39 No.1
Spontaneous bacterial peritonitis is the common infectious disease in liver cirrhosis patients with a fever. Brucellosis is a rare cause of bacterial peritonitis. A case indigenous to a citizen of Jeju, he ate a raw veal of cow four times in last 2 months prior to admission. The gram-negative bacilli were isolated from blood and peritoneal fluid cultures. He was confirmed brucellosis by serologic work- ups. This isolate was confirmed as Brucella abortus by using PCR amplification of 16S ribosomal RNA (rRNA) and omp2. This is the first case of bruellosis that was diagnosed spontaneous bacterial peritonitis in liver cirrhosis patient among native korean citizens. Successful treatment was obtained by using a regimen of doxycycline and gentamicin. Brucella should be suspected as a cause of spontaneous bacterial peritonitis in cirrhotic patients with no response to standard spontaneous bacterial peritonitis treatments. 브루셀라증은 전 세계적으로 발생하는 인수공통 전염병중의 하나로, 국내에서도 해마다 환자가 증가하고 있는 상황이다. 본 증례는 간경화 환자에서 환자의 잘못된 지식을 바탕으로 소 태아 육회를 섭취한 이후 복수와 발열을 주소로 내원한 환자이다. 상기 과거력이 환자의 질환과의 직접적인 연관성을 밝히기는 어려우나 환자의 진단을 추정하는데 도움이 되었으며, 이러한 가능성을 배제하기 위해서라도 국내 유통에 있어서 좀더 적극적인 대체가 필요하다 하겠다. 상기 환자는 브루셀라에 의해 발생한 특발성 세균성 복막염 환자로 제주도에서 발생한 내국인의 첫 증례이기에 문헌 고찰과 함께 보고하는 바이다.
방사선 조사가 배양된 조골세포의 apoptosis와 세포주기의 변화 및 석회화 결절 형성에 미치는 영향에 관한 연구
이영미,최항문,허민석,이삼선,최순철,박태원 대한구강악안면방사선학회 2000 Imaging Science in Dentistry Vol.30 No.3
Purpose : The study was aimed to detect the induction of apoptosis, cell cycle arrest and calcified nodule formation after irradiation on primarily cultured osteoblasts. Materials and Methods : Using rat calvarial osteoblasts, the effects of irradiation on apoptosis, cell cycle arrest, and calcified nodule formation were studied. The single irradiation of 10 and 20 Gy was done with 5.38 Gy/min dose rate using the 137Cs cell irradiator at 4th and 14th day of culture. Apoptosis induction and cell cycle arrest were assayed by the flowcytomtry at 1,2,3, and 4 days after irradiation. The formation of calcified nodules was observed by alizarin red staining at 1,3,10,14 days after irradiation at 4th day of culture, and at 1,4,5 days after irradiation at 14th day of culture. Results : Apoptosis was not induced by 10 or 20 Gy independent of irradiation and culture period. Irradiation did not induced Gl arrest in post-irradiated ostedblasts. After irradiation at 4th-day of culture, G2 arrest was induced but it was not statistically significant after irradiation at 14th-day of culture. In the case of irradiated cells at 4th day of culture, calcified nodules were not formed and at 14th-day of culture after irradiation, calcified nodule formation did not affected. Conclusion : Taken together, these results suggest that Irradiation at the dose of 10-20 Gy would not affect apoptosis induction of osteoblasts. Cell cycle and calcified nodule formation were influenced by the level of differentiation of osteblasts. (Korean J Oral Maxillofac Radiol 2000; 30: 189-198)
김영건,김병호,성자원,이기천,허승식,이종선,정현용,이헌영 충남대학교 의과대학 지역사회의학연구소 1991 충남의대잡지 Vol.18 No.2
From January 1987 to October 1991, we performed 14,333 cases of upper gastrointestinal endoscopy and diagnosed 527 cases with U.G.I polyp. We assesed these 527 cases and obtained following results: 1) The overall incidence of U.G.I. polyps was 3.6%, and there was no sexual difference. The peak incidence was in 6th decades(32.4%). 2) The U.G.I. polyps were located chiefly at stomach(415 cases, 78.7%), among which antrum occupied antrum 43.5%, body 24.0% and funds 5.1%. And the others were esophagus(6.5%) and duodenum(12.3%). 3) The size of U.G.I. polyp was below 1cm in 72.3%, from 1cm to 1.9cm in 20.7% and above 2cm in 7.0%. According to Yamada' classification, type Ⅰ, Ⅱ, Ⅲ and Ⅳ was 31.9%, 51.3%, 13.7% and 3.0%. 4) Histological nature of U.I.G. polyp were hyperplastic polyp(85.8%), adenomatous polyps(9.3%), carcinomatous polyps(3.3%) and etc. The size of neoplastic polyp such as adenomatous polyps(mean 1.0±0.7cm) and carcinomatous polyps(niean 2.0±1.8) were larger man hyperplastic polyp(mean 0.6±0.4) (p<0.05) 5) The gastric polyps were associated with peptic ulcer(7.5%), gastric cancer(3.2%), other malignancy(3.5%), hepatobiliary disease(5.5%), post subtotal gastrectomy(5.5%). And others(75%) werenot associated with specific disease.
김영건,육은주,성자원,허승식,송민호 충남대학교 의과대학 지역사회의학연구소 1992 충남의대잡지 Vol.19 No.2
We observed clinical features in 43 patients with acute metabolic complications of diabetes mellitus, diabetic ketoacidosis 36 cases and hyperosmolar nonketotic coma 7 cases who were diagnosed and treated in Chunangnam National University Hospital from Jan. 1988 to Dec. 1992. The range of age of the patients with diabetic ketoacidosis was from 2nd decade to 9th decade. The diabetic ketocacidosis was most frequent in the 4th decade(22.2%). But the range of patients with hyperosmolar nonketotic coma was from 6th decade to 9th decade and that compications was most frequent in 6th decade. There were no significant sex difference in the groups of acute metabolic complications. The altered consciousness was the most common complaints both groups of diabetic ketoacidosis and hyperosmolar nonketotic coma. Omission of insulin therapy, infection, and fasting were the most common precipitating factors for the development of diabetic ketoacidosis and hyperosmolar nonketotic coma. Only 3(8.3%) out of 36 patients with diabetic ketoacidosis were presented as the initial manifestations of diabetes mellitus. The mortality rates of the patients with diabetic ketoacidosis and hyperosmolar nonketotic coma 5.6% and 28.6%, respectively.
태양광 발전전력을 입력으로한 DC/DC 컨버터의 일정출력제어
조용길,허태원,신동률,조광승,우정인 東亞大學校 大學院 2000 大學院論文集 Vol.25 No.-
In this paper, it is proposed to constant power control of solar power system. The solar power system has disadvantage that low power density and variable power output. Proposed strategy is controled by DC/DC converter using phase shift PWM and I-PD type control applying type 1 digital system. The validity of proposed control strategy is verified from simulations results using PSIM.