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뇌하수체 종양 제거술 시행 후 뒤늦게 발생한 횡문근 융해증과 동반된 중추성 열
장제혁,최규남,김일환,노은지,김윤정,유충헌,고정해,박봉수,김태균,권민정,이순희,박정현 인제대학교 2008 仁濟醫學 Vol.29 No.-
Body temperature is controlled by thermoregulatory center of the hypothalamus. We report a case of 24 years old man with central fever. He was subjected to a partial excision of pituitary tumor compressing optic chiasm four years ago. He has received hormonal therapy for panhypothyroidism after removal of pituitary tumor. And He received gamma knife operation for partially contrast-enhancing masses in suprasellar and both hypothalamic areas that is probably postoperatively remnant or recurrent tumor of pituitary adenoma. One year after gamma knife operation, he presented with a febrile syndrome of unknown origin including rhabdomyolysis. All usual investigations proved negative. We diagnosed him as central fever with rhabdomyolysis. He received medical ICU care with cooling bed, ice pack. And his symptom improved. Postoperative hyperthermia may result following resection of the pituitary tumor. When central fever is suspected taking note of past history, a quick recognition of course of fever can help reduce the using of unnecessary antibiotics and hospital stay.
공분산구조분석법을 활용한 통행수단, 활동 및 통행행태에 대한 인과성 평가
장태연,김대영,김정호,권진영 전북대학교 공학연구원 ( 구 전북대학교 공업기술연구소 ) 2002 工學硏究 Vol.33 No.-
Activities done by individual are usually classified into obligatory and discretionary ones. Simple or complex trip pattern is performed as these activities are linked and various travel modes are used. Individuals try to link several trips as a type of chain to save transportation resources such as travel distance or time, which consequently produces complex trip pattern. These changes in urban transportation environment and less studies on activity-based characteristics make difficult to forecast trips resulting from trip linkage behavior. The purpose of study is to analyze possible causal relationships among activities, travel mode choices and travel patterns, assuming that they are directly influenced by individual or household attributes. Two kinds of models are established to achieve this purpose. One is the allocation model for mode choice for activities by three stage least square estimation method under the restricted conditions. The other is covariance structure model(LISREL) to analyze direct and indirect effect among attributes. As a result, the allocation of travel modes is mainly influenced by variables such as gender, education level, marriage, and children under 13 years old. In LISREL, it is shown that those variables well explain an exogenous personal attributes and only family income do an exogenous household attributes. While trip pattern attributes is well reflected by travel mode attributes, it is less reflected by activity attributes.
항진균물질을 생산하는 Streptomyces fimbriatus AF21-3의 분리 및 동정
장주현,김정완,이우윤,윤영준,이경림,김승곤,이태수 인천대학교 2000 基礎科學論文集 Vol.11 No.1
Actinomycetes were isolated from soil to find new antibiotics. An active antimicrobial compound was isolated from the culture filtrate of Actinomycetes AF 21-3. The Actinomycetes strain which showed strong antifungal activity against Candida tropicalis and Microsporum gypseum was identified as Streptomyces fimbriatus and named as Streptomyces fimbriatus AF 21-3.
장태원,김윤규,윤동영,이창희,홍영습,신해림,정갑열,김준연 大韓産業醫學會 2001 대한직업환경의학회지 Vol.13 No.4
Objectives : This study was carried out to suggest preventive methods for hypertension in cold-exposed workers. Methods : In 11 refs·iteration industries, 68 workers working in refrigerated areas more than one time per day were selected as the exposed group, and 68 workers not exposed to cold were selected as the control group. We interviewed the subjects with a questionnaire covering occupational history, and conducted clinical and laboratory tests including measurements of blood pressure and core temperature. Results : The systolic blood pressure in the exposed group(130.0±13.3 mmHg) was significantly higher than that recorded In the control group(118.3±12.1 mmHg), as was the diastolic blood pressure in the exposed group(82.7±8.5 mmHg) versus the control group(77.4±8.7 mmHg). The core temperature in the exposed group(36.1±0.7℃) was significantly lower than that experienced in the control group (36.4±0.5℃). In logistic regression analysis, age, cold exposure severity and milk intake were significant variables, with odds ratios of 5.204(95 % CI 1.440∼18.812), 2.674(95 % CI 1.080∼6.618), and 0.364(95 % Cl 0.141∼0.942) , respectively. Conclusions : Our study suggests that cold-exposed workers have higher a higher risk of hypertension, and that their core temperature is lower. Risk factors affecting hyper-tension of cold-exposed workers include age, cold exposure severity and milk intake. For the prevention of hypertension, cold-exposed workers should minimize cold-exposure time as much as possible.
콩 단백질/펙틴/몬모릴로나이트 나노복합 필름의 특성 및 산소 투과도 연구
정세환,김성철,조규순,신용섭,장상희,홍기헌,이태진,신부영 嶺南大學校 工業技術硏究所 2004 工業技術硏究所論文集 Vol.32 No.2
In this study, Mechanical property, thermal property, watervapor, and oxygen permeability of biodegradable Soy protein/Pectin-montmorillonite nanocomposite, prepared with Na^(+)-MMT, have been studied. X-ray diffraction and TEM experiments an polymer/silicate composite samples demonstrated that the intercalation of polymer chains leads to increase in the spacing between silicate layers. In addition, it were found that the intercalated Soy protein/Pectin/montmorillonite nanocomposite were prepared. It was found that the addition of only a small of clay was enough to improve the thermal stability and mechanical property of Soy protein/Pectin/montmorillonite nanocomposite. watervapor of Soy protein/Pectin/montmorillonite nanocomposite was generally lower than that of Soy protein/Pectin. oxygen permeability of Soy protein/Pectin/montmorillonite nanocomposite was generally lower than that of Soy protein/Pectin.
비엔나협약규정 신호체계와 우리나라 신호체계에 관한 비교연구
장건영,이정윤,김진태,장명순 東亞大學校 建設技術硏究所 2004 硏究論文集 Vol.27 No.2
20세기 말 국제사회는 정치 경제적인 교류 · 협력의 증가에 따른 국제 경제활동 빛 여가활동범위의 확대로 국가간 방문교류가 증가했다. 1968년 국제연합 (UN, United Nation)은 국제도로교통을 활성화하고 도로안전의 증진을 위하여 도로교통에 관한 국제협약인 도로교통협약(Convention on Road Traffic)과 표지 및 신호체계협약(Convention on Road Signs and Signals)을 선포하였다 2002년 10월 기준으로 표지 벚 신호체계협약에는 50개국이 가입하였고 도로교통협약에는 60개국이 가입한 상태이다. 국내에서는 도로교통에 관한 이 국제협약이 ‘비엔나협약’이라고 통칭되고 있으며 1968년에 버엔나협약 제정시 승인 서명만 했을 뿐 비엔나협약에 가입하지 않았다. 이에 본 연구에서는 비엔나협약의 신호체계와 극내 신호체계를 비교하여 (1) 그 차이점을 분석하고, (2) 비엔나협약 표지 빛 신호체계협약 가업을 가정시 유발되는 문제점에 대한 개선사항에 대해 분석하고자 하였다. 분석결과 차량 신호등의 형태 및 가변형 가변등의 형태 녹색등 황색등 적색등의 동일 색의 화살표시등으로의 교체 가능성 여부, 녹색등화 적색등화 황색등화의 의미, 적색등화 점멸의 의미, 화살표시등의 등화, 녹색등과 적색 및 황색등과의 동시 등화 운용여부 등에서 차이점이 있는 것으로 분석되었다. 또한 비엔나협약 표지 및 신호체계협약 가업을 가정시 유발되는 문제점에 대한 개선사항으로는 (1) 도로교통법의 적색신호 및 황색신호 시 우회전허용 또는 비보호 우회전 허용에 관한 내용의 검토, (2) 국내에 현재 운영중언 4색등의 사용을 금하고 직진 및 좌회전 두 개의 전용 신호등으로 구분한 신호등 재설치 및 이에 따른 국내 지역제어기 교체 검토 빛 새로운 지역제어기의 운영 소프트웨어 개발 검토, (3) 가변형 가변등의 가변차로 전환 신호기의 교체 검토, (4) 도로교통법에서의 적색신호등의 점멸에 관한 내용의 검토, (5)도로교통법에 화살표시등에 대한 법규정 신설에 관련된 내용 검토 및 현장에서 운영되고 있는 하향 황색 화살표시의 방향을 상향으로 전환에 관한 검토, (6) 도로교통법에 자전거 전용신호등에 대한 법규정 신설에 관련된 내용 검토, (7) 비엔나협약 표지 및 신호체계협약에 따라 수정되는 신호체계에 대한 기존 운전자 재교육의 필요성 검토가 필요한 것으로 분석되었다.