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RISS 인기검색어
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- 저자 : 안은준 ( Eun Jun Ahn ) (검색결과 6 건)
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양윤정 ( Yun Jeong Yang ),안은준 ( Eun Jun Ahn ),고희정 ( Hee Jeong Go ),정영주 ( Young Ju Jeong ),조성남 ( Sung Nam Cho ),김종덕 ( Jong Duk Kim ) 전북대학교 의과학연구소 2004 全北醫大論文集 Vol.28 No.1
이 임상분석의 목적은 자궁경부무력증을 지닌 환자에 있어 응급 자궁경부봉축술이 임신의 연장과 주산기 유병율에 미치는 영향을 밝히는데 있다. 응급 자궁경부봉축술 후 평균임신 유지기간은 76.9±49.6일 이었다. 분만 시 평균 임신 주 수는 31.0±7.2이었으며 평균 출생체중은 1,737±965gm이었다. 23명의 임신부 중 19명이 신생아를 분만하였고, 이중 3명의 신생아가 신생아기에 사망하였다. 주산기 생 존률은 69.9%였고 신생아 생존률운 84.2%였다. 총괄하여 응급 자궁경부봉축술의 성공률은 69.9%(16/23)이었다. 이번 연구를 통하여, 양막의 돌출과 진행된 자궁경부 개대가 동반된 임신부들에게 있어 응급 자궁경부봉축술은 임신기간의 연장과 더불어 주산기 예후를 증진시킬 수 있었다. Objective: The aim of this clinical evaluation was to identify the effect of emergency cervical cerclage on prolonging pregnancy and perinatal morbidity in patient with cervical incompetence. Methods: From April 1994 to February 2003, twenty-three patients receiving emergency cervical cerclage at our department were retrospectively analyzed. At the time of emergency cerclage, the mean gestational age of the patients was 20.2±3.4 weeks. These patients were compared with thirty patients underwent elective cervical cercalge in the same period and place. Results: The mean maintaining period of pregnancy after emergency cerclage was 76.9±49.6 days. The mean gestational age at delivery was 31.0±7.2 weeks and the mean birth weight was 1,737±965 gm. Nineteen of twenty-three pregnant women delivered viable infant but three infants died during the neonatal period. Perinatal survival rate was 69.9%, and neonatal survival rate was 84.2%. Overall the success rate of emergency cerclage was 69.9%(16/23). Conclusion: From this study, it suggested that emergency cerclage in patient with presence of bulging membrane and advanced cervical dilation can achieve prolonging pregnancy and improving perinatal outcome.
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호르몬 대체요법시 사용된 약제에 따른 혈중 지질대사 및 골밀도의 변화
김현영 ( Hyun Young Kim ),김성욱 ( Sung Yk Kim ),안은준 ( Eun Jun Ahn ),류철희 ( Chul Hee Rheu ),김종덕 ( Jong Duk Kim ) 전북대학교 의과학연구소 2005 全北醫大論文集 Vol.29 No.2
Objective: This study was to evaluate the effect of hormone replacement therapy on lipid metabolism and bone mineral density through estrogen, cyclic estrogen/progesterone combination and Tibolone. Method : 204 postmenopausal women were divided into 3 groups; hysterectomized women were treated with 0.625mg conjugated equine estrogens only/day (n=50), nonhysterecomized women were treated with 2mg estradiol valerate(E2)/day and 1mg cyproterone acetate(CPA)/day for 12 of each 28 days (n=130), or Tibolone 2,5mg/day(n=24). The effects on lipid profile and bone mineral density were evaluated at baseline and after 12, 24, 36 and 48 months of treatment. Results : Conjugated equine estrogen reduced significantly the serum LDL cholesterol levels and increased triglycerides, E2/CPA increased significantly the serum HDL cholesterol levels and serum total cholesterol levels were increased in both group without significance. Tibolone reduced markedly not only the serum total cholesterol levels, HDL cholesterol levels, and triglyceride levels, but also increased mildly the serum LDL cholesterol levels. There was no significant difference between femoral neck BMD through 48 months of therapy in the three groups, but E2/CPA increased significantly the lumbar spine BMD through 48 month of therapy. Conclusion : Each of conjugated equine estrogen, E2/CPA or Tibolone induced a different mixed changes on the lipid profile. The reduction in HDL cholesterol induced by Tibolone may be able to be offset by the substantial falls in triglycerides, total cholesterol.
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이상규,김한중,이기원,김영유,안은준 公州大學校 基礎科學硏究所 2004 自然科學硏究 Vol.11 No.-
다양한 양극산화 조건에서 다공질규소를 제작하여 에탄올 기체에 반응 시켰을 때 나타나는 감지 특성을 조사하였다. 그 결과 다음과 같은 사실을 얻었다. 첫째, 다공질규소에 에탄올 기체를 노출시켰을 때 전류가 규칙적으로 증가하는 감지 특성이 나타났다. 둘째, 다공질규소층의 두께가 약 2000㎚일때, 에탄올 기체에 대해 가장 빠른 감지 속도가 나타났다. 셋째, 다공질규소 표면에 알루미늄을 증착 시킬 경우 좀 더 안정적인 감지 특성이 나타났다. In this paper, porous silicon layers was fabricated under various conditions and the current response properties when the gas-sensing device exposed to ethanol gas were investigated. The results are as follows : Firstly, when a porous silicon layer was exposed to ethanol gas for a certain period, its current response showed regular properties. Secondly, when a thickness of porous silicon layer was about 2000㎚, its current response properties shows a more rapid response. Thirdly, when an Al was deposited on porous silicon layer, the current response properties shows a more stable.
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이기원,박선화,김영유,안은준 公州大學校 基礎科學硏究所 2004 自然科學硏究 Vol.11 No.-
본 연구에서는 다공질규소의 온도를 상온에서부터 10K까지 감소시키면서 PL스펙트럼을 측정하여 PL의 온도의존성을 관찰하였다. 그 결과를 Lee가 제안한 세 가지 발광원인에 대한 에너지띠구조 모형을 도입하여 해석하였다. 그 결과 다공질규소 PL의 온도의존성은 Lee가 제안한 세 가지 발광원인이 규소화합물에 의한 발광, 계면에서의 발광, 양자구속효과에 의한 발광이라고 할 때 만족하게 설명되었다. In this research, we investigated temperature dependence of photoluminescence characteristics of porous silicon in temperature ranges from room temperature to 10K. the results, we analyzed it introduce electronic band structures suggest by Lee et al. It is about that three different luminescence origins. From results, we found that temperature dependence of porous silicon photoluminescence were explained properly when electronic band structure of three different luminescence origins is based on the chemical model and the interface region model and the quantum confinement model.
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