서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)

김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1

In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.

위절제술 환자의 표준진료지침 개발 및 적용 효과

김은희,김철규,이순교,김순덕,이혜옥,권정순,이경미,이민미,심순미,유용만,신종식,강은희,이상일,김병식,오성태,육정환,박수길 한국의료QA학회 2003 한국의료질향상학회지 Vol.10 No.2

Background : Gastric cancer is the most common malignant tumor in Korea. surgical operation is one of the major treatment modalities for gastric cancer patients. Therefore, gastrectomy is one of the most common procedures in General Surgery. There were variation in length of hospital stay and medical treatment for gastrectomy between three surgeons at Asan Medical Center. Clinical pathways have received considerable attention as a tool for recucing the medical practice variation, increasing the efficiency of care process, and improving the quality of care. The aim of this study was to evaluate the effect of a clinical pathway for gastrectomy in gastric cancer patients. Methods : The clinical pathway for gastrectomy was developed and implemented by a multidisciplinary group in Asan Medical Center. A computerized clinical pathway program was developed and revised after a pilot test. A total of 145 patients underwent gastrectomy by three surgeons at Asan Medical Center. We compared the length of hospital stay, patient satisfaction, and unplanned readmission rate between the pre-pathway group(n=67) and the post-pathway group(n=78). We also investigated the degree of satisfaction among the physicians and nurses who were main end-users of the clinical pathway. Results : The clinical pathway was applied to all target patients. The average length of hospital stay was shortened from 12.7days to 10.6days(p<0.01). The degree of patient satisfaction with the care process changed from 90.3% to 89.2% after the implementation of the clinical pathway, but the difference was of satistically significant(p=0.761). Unplanned readmission rate was 2.9% in the pre-pathway group. More than 90% of physicians and nurses answered that the clinical pathway had been a useful tool in their medical practice. Conclusions : The findings of the study demonstrated that implementation of the clinical pathway for gastrectomy produced substantial reduction in the length of hospital stay while improving the quality of patient outcomes. The computerized clinical pathway program can be used as one of the powerful patient management tools for reducing the practice variations and increasing the efficiency of care process in Korea hospital settings.

ZnO:In 가스 감지막의 특성 및 응용

김영범,박종아,김진해,김권태,김정규,마대영,박기철 경상대학교 생산기술연구소 2001 工學硏究院論文集 Vol.1 No.-

The microsensors to detect NH3 gas were fabricated by continous deposition of In film by evaporation and ZnO film by rf magnetron sputtering onto the Si3N4 diaphragm that was prepared by MEMS technology. The sensors were heat-treated to dope In into the ZnO thin film. The electrical characteristics of sensitive films were studied as a function of heat-temperature by 4-point probing method and electrometer. The dependence of the sensitivity, selectivity and time response of sensor on heat-treatment temperature was investigated. The microsensor heat-treated at 400℃ that 3000 A ZnO:In film was chosen as gas sensitive film, showed the highest sensitivity 23% at 350ppm NH3 under 366mW heater power. The time response was 90sec. The sensitivity for CO and NOx was not observed.

임신 종결 후 발생한 자궁 동정맥 누공에서 자궁동맥색전술로 치료한 1예

김종민,이해혁,김태희,남계현,심일구,이권해,김형문,이임순,장종호 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2

Arteriovenous fistula of uterus is rarely reported disease. This vascular malformation is very dangerous condition because Dilatation & curettage can cause massive uterine bleeding without accurate diagnosis. The diagnosis is made by angiography, gray scale ultrasonography, color and duplex doppler ultrasonography, computed tomography, and magnetic resonance imaging is helpful. Especially color and duplex doppler ultrasonography is allows convincing detection and diagnosis of arteriovenous fistula. Recently transcatheter uterine artery embolization is treatment of choice. We have experienced a case of arteriovenous fistula of uterus. Which is presented with a brief review of literature.

Pd이 도핑된 SnO₂박막의 가스감지특성

임종도,김진해,박종아,김권태,김정규,마대영,박기철 경상대학교 생산기술연구소 2001 工學硏究院論文集 Vol.1 No.-

The Pd(palladium) doped SnO2(Tin Oxide) thin films sensitive to NH3 gas were prepared on alumina substrate by rf magnetron sputtering method. The gas sensing characteristics of Pd doped SnO2 thin films were studied as a function of film thickness and heat-treatment temperature. The dependence of the sensitivity, the selectivity and the time response of the thin films on heat-treatment temperature, film thickness and gas species were investigated. The thin films of Pd doped SnO2 which were the Pd content of 5 wt%, the film thickness of 5000 ? and the heat-treatment temperature of 600 ℃ showed the highest sensitivity of 68 % for 100 ppm NH3 gas concentration under an operating temperature of 400 ℃. The sensitivity towards NOx gas was not observed in the same condition.

우리나라 지역 직업성질환 감시체계의 현황과 전망

임종한,장성실,김성아,문재동,채창호,홍윤철,김수영,김진석,김영욱,한상환,이혜숙,원종욱,송동빈,하은희,강성규 대한산업의학회 2001 대한직업환경의학회지 Vol.13 No.2

기존의 특수건강진단과 작업환경측정을 통한 직업병 관리가 진폐증, 소음성난청 등의 소수 특정질환에 국한되고 실제 직업병 발생 규모 파악이나 신종 직업병의 발견에 한계를 보인다는 사실은 산업의학전문가들 사이에서도 공감을 이루고 있다. 미국과 영국 등에서의 직업성질환 감시체계에 대한 경험은 우리 나라의 직업성질환 감시체계 구축에도 새로운 자극제가 되면서, 1998년이후 인천, 대전, 여천, 구미, 부울경 지역에서 지역 직업성질환감시체계를 산업보건관리의 중요한 시스템으로 구축하려는 노력이 확산되고 있다. 새로이 구축되어지는 이들 지역 직업성질환 감시체계는 감시하고자 하는 대상질환, 활용 가능한 인적자원 및 자료원, 지역 의료체계의 특수성 등에 따라서 목적과 방법을 달리하면서 독특한 형태로 발전을 하고 있다. 각 지역단위 감시체계들이 그 상황에 맞게 독특한 목적과 전략들을 발전 시키면서도, 향후 발전할 국가적인 차원의 직업성질환 감시체계 구축을 위하여 직업성질환 감시의 기본 전략 등을 공유하는 등의 노력이 필요하다. 환례 정의 및 기본적인 등록 서식의 공유, 직업성질환 감시 자료원의 발굴, 공동의 정보 네트워크 및 직업성질환 감시 데이터베이스 구축 등 직업성질환 감시활동을 지원하기 위한 여러 기초 인프라 구축에 힘을 모아야 할 것이다. 우리 나라에서 직업성질환 감시체계를 성공적으로 구축하기 위해서는 수집된 자료의 질 관리를 위한 직업성질환 감시의 원칙 제정과 감시 전략의 공유 등이 필요하며, 전국적인 직업성질환 감시체계의 하부구조라고 할 수 있는 지역감시체계의 기초 토대 마련과 강화작업이 절실하게 필요하다.

Voice Mismatch Meets Neurolinguistics

Gui-Sun Moon,Sun-Woong Kim,Jeong-Ah Shin,Hae-Kyung Wee,Jong Un Park,Myung-Kwan Park,Wonil Chung 현대문법학회 2018 현대문법연구 Vol.99 No.-

Gui-Sun Moon, Sun-Woong Kim, Jeong-Ah Shin, Hae-Kyung Wee, Jong Un Park, Myung-Kwan Park, and Wonil Chung. 2018. Voice Mismatch Meets Neurolinguistics. Studies in Modern Grammar 99, 85-115. This paper aims to investigate Korean advanced L2 English learners’ strategies for ellipsis resolution during sentence processing. Ellipsis resolution is known to involve several stages of information processing from the initial step of detecting an ellipsis-licensing element by the parser to the final stage of integrating the ellipsis site with the information retrieved from the antecedent of the ellipsis site. In examining these steps, we have manipulated three factors: (i) TP vs. VP-ellipsis; (ii) two types of discourse coherence relations (resemblance(-contrast) vs. cause-effect relations); (iii) voice match vs. mismatch. We found through the ERP recordings that voice mismatch in TP ellipsis elicited N400, followed by P600, irrespective of discourse coherence relations. In contrast, voice mismatch in VP-ellipsis registered N400 only in resemblance(-contrast) relation, but not in cause-effect relation. These findings lead us to conclude that Korean advanced L2 learners of English seem to undergo the full sequence of processing stages required for ellipsis resolution.

심혈관계 질환으로 관상질환 집중치료실에 입원한 환자들의 혜후 측정을 위한 APACHEⅢ점수 체계의 임상적 유용성

이공섭,이창선,최현주,홍종서,강지향,김도형,이민영,오인균,김병엽,김상억,김학찬,한승혜,이재용,지영우,안경주 대한순환기학회 2000 Korean Circulation Journal Vol.30 No.8

광섬유 FP필터를 위한 광섬유의 결합손실

김종호,예윤해 慶熙大學校 레이저 工學硏究所 1996 레이저공학 Vol.7 No.-

광섬유의 단면을 적절한 곡률의 곡면으로 가공함으로써 기존의 구조에 비해 우수한 특성의 광섬유 Fabry-Perot(FP) 간섭 필터를 제작할 수 있음을 이론적으로 분석하였다. 광섬유 단면의 가공된 오목거울의 곡률은 게단형 단일모드 광섬유의 도파모드를 Gaussian빔으로 가정했을 때 광섬유에서 나와 일정거리의 자유공간을 진행한 빔의 파면의 곡들과 일치하여야 하며, 이 때에는 거울의 기울기 0.2 deg, 곡률오차 70㎛, 공극거리 오차 8㎛, 광축의 횡편차 0.5㎛이내의 범위에서 이상적인 배치를 벗어난 경우에도 d=15㎛에서 0.5% 이하의 결합손실을 가지므로 광학구성이 종래에 비해 훨씬 간단한 새로운 구조의 광섬유 FP필터가 제작될 수 있음을 확인하였으며, 이 구조의 가능성을 보이기 위하여 곡률가공된 례를 광섬유 단면의 간섭패턴으로 보였다. Coupling loss of a fiber Fabry-Perot cavity, formed with two optical fibers with dielectric morror coatings on their ends, is analyzed. One of the fibers has a flat mirror, but the other fiber is processed to have a concave mirror whose curvature is the same as that of the wavefront of the Gaussian beam from the first fiber. It was turned out that the coupling loss at the cavity length of 15㎛ is less than 0.5% even with tilt angle of 0.2 deg, curvature error of 70 ㎛, cavity length error of 8㎛, and lateral alignment error of 0.5㎛. In conclusion, a simple high-finesse fiber Fabry-Perot filter whose a cavity length is greater than several ㎛ can be obtained only if the receiving fiber end is properly processed. The end of the receiving fiber has to be concave and the curvature of the concave mirror must be same as that of the wavefront of the incoming beam. Finally, to show the possibility of processing the fiber ends with required feature, provided is a picture of the interferogram of the fiber end with concave surface with controlled curvature.

잡음환경에서 구름 볼 베이링의 결함검출을 위한 ALE의 적용

김영태,최만용,김기복,박해원,박정학,김종억,류준 한국공작기계학회 2004 한국공작기계학회 추계학술대회논문집 Vol.2004 No.-

It is very important to detect the bearing defects in rotating machinery since the critical failure of bearing cause a machinery shutdown. However it is difficult to detect the vibration signal resulting from the initial defects of bearing because of the high level of broadband noise. A signal processing technique, called the adaptive line enhancer(ALE) as one of adaptive filter, is studied in this work. This technique is to eliminate broadband noise without a prior knowledge of the noise and signal characteristics. Also we propose the optimal methods for selecting the three main ALE parameters such as correlation length, filter order and adaptation constant used in the adaptative process. Vibration signals for three abnormal bearings, including inner and outer raceways and ball defects, were acquired from Anderon(angular derivative of radius on)meter. The experimental results showed that the proposed technique can reliably detect the bearing defective signals masked by broadband noise.