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박문일(Moon Il Park),이원준(Won Jun Lee),이정한(Chung Han Lee),김기돈(Kee Don Kim),염명걸(Myung Kul Yun),박영선(Young Sun Park),차경준(Kyung Joon Cha) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.8
목적: 산전태아검사로서 태아심박동(FHR)검사가 많이 이용되고 있다. 그러나 일반적으로 산전 FHR검사는 높은 위양성율 및 판독자의 주관적인 판정이 문제점으로 지적되고 있다. 따라서 최근 외국에서는 FHR 판독 소프트웨어를 이용한 객관적인 판정방법들이 소개되고 있다. 이러한 객관적 판정법의 개발에는 많은 예의 수집과 철저한 통계적인 검증이 요구된다. 본 연구는 국내에서 FHR검사의 객관적인 판정기준을 설정하기 위한 전(前)단계로서, FHR 각 변수에 대한 통계학적인 분석을 목적으로 시도되었다. 연구방법: 한양대학병원 산부인과에서 산전검사로서 비수축검사를 시행 받은 임산부를 대상으로 하였다. FHR검사 자료의 수집 및 FHR 각 변수값의 추출은 본 연구팀에 의하여 개발된 FHR 판독 소프트웨어인 HYFM-I (DOS-version, 1989) 및 HYFM-II (Windows version, 1998) 을 이용하였다. 1989년부터 현재까지 10년간 수집된 대상파일중 분석 가능한 5,314 예에 대하여 우선 전체자료의 각 변수를 임신주수별로 나누고 만삭전, 만삭 및 만삭후로 분류한 그룹 및 최종진단명등에 의한 카테고리별로 통계학적 분석방법인 주성분분석을 한 후, 이를 이용한 다변량 회귀분석을 실시하였다. 분석도구로는 SAS (Version 6.12)를 이용하였다. 결과: 태아 심박동수의 변화는 어느 특정한 인자에 국한되지 않았다. 만삭 전, 후의 태아에서는 불안정한 변화를 보였으며 비정상군에서는 이러한 현상이 두드러졌다. 주성분 분석에서 주요인으로 선택된 임신주수(gestational week), 기록손실도(loss of signal), 변이도(variability), 그리고 5분 Apgar score를 독립변수로 FHR을 추정( : Estimated FHR score , 이하 EFS)한 결과 분만후 신생아 예후중에 하나인 5분 Apgar score는 만삭이후에 EFS 증가와 관계가 깊고 기록손실도는 만삭이후에 EFS의 감소를 가져오며, 변이도는 비정상군보다는 정상군에서 더욱 활발한 EFS 증가 요인으로 작용됨을 알 수 있었다. 결론: 임신주수를 기본으로 한 정상, 비정상군의 공통적인 양상은 태아의 출생후의 5분 Apgar score가 태아의 성숙성과 관련이 깊다는 것을 알 수 있었고, 각 변수의 group별 다양한 행태는 임산부의 질병에 기인한 태아의 발육 지연과 깊은 연관성을 확인하였다. 따라서, 향후 객관적 판정기준의 설정을 위한 또 다른 연구의 필요성이 요구된다. Objective : We aim to statistically analyze the variables affecting FHR using principal component analysis and multiple regression analysis. It is tried to find which variables significantly affect FHR. Thus, it would help further work of building objective decision basis to analyze variables affecting FHR. Methods : The samples are chosen from pregnant women who took a NST at Hanyang University Hospital. It consists of 5,314 data which have been collected from 1989 to 1997. For collection of data and values of each variable, our own FHR interpretation softwares, HYFM-I (DOS version, since 1989) and HYFM-II (Windows version, since 1998) were used. Then, the principal component analysis is performed to find significant variable and multiple regression analysis is performed using these variables. Results : The mean baseline FHR is not influenced by a specific factor in abnormal group. The gestational week, loss of signal, variability, and 5 minutes Apgar score are chosen as main effects through principal component analysis. From the results of regression analysis, it is noticed that 5 minutes Apgar score which is one of neonate prognosis after birth causes an increase of estimated FHR score (EFS), whereas the loss of signal causes a decrease of EFS. The variability in normal group is more active increasing factor of EFS than abnormal group. Conclusions : Based on gestational week, 5 minutes Apgar score is highly related with fetal maturity in both normal and abnormal groups. Also, it is found that different patterns of each variable by groups are due to delay of fetal growth that is caused by disease of a pregnant women. Thus, the further studies to build objective decision basis are need.
박문서(Park Moon-Seo),김영주(Kim Young-Joo),이현수(Lee Hyun-Soo) 대한건축학회 2011 대한건축학회논문집 Vol.27 No.7
The government to resolve disparities between local governments because of the rapid economic growth has taken various policies such as the administrative city and innovative city. Main topics of the recent urban development can be summarized as the sustainable city, the ubiquitous city, and the self-sufficient city. In this study, the self-sufficient city development in Korea’s key success factors were derived and the causal loop diagram was constructed using these key factors to check the interaction between elements of the self-sufficient city development. In addition, system dynamics model was developed for the comprehensive quantitative analysis of the urban development of self-sufficiency and multi-functional administrative city development policies using a system dynamics model was simulated. As a result, industry, housing, services, facilities, and education and welfare facilities are related to the growth of the city but influenced in different ways. In the case of the multi-functional administrative city, the limitation of the number of companies due to the proportion of industrial land had an impact on the city’s population growth and policies from investments in various sectors confirmed the population growth from increasing rate of industrial land.
DSM을 활용한 도입단계에서의 BIM 설계 관리 프로세스
박문서(Park, Moon-Seo),조주연(Cho, Joo-Youn),이현수(Lee, Hyun-Soo),권성근(Kwon, Sung-Keun),안승준(Ahn, Seung-Jun) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.1
The BIM(Building Information Modeling) is getting special attention as a method of improving operation efficiency. However, few designers can deal with BIM and design a building at the same time. Recently, regarding the utilization of BIM designers and external modellers work together and modellers‘ modelings follow the work of the designers. lt creates confusion of the works and requires reworks. Therefore, it needs development of the design process focused on the flow of information reflecting the reality. The purpose of this study is to analyze the BIM design process at the introduction phase and find out the improvement of the BIM design process by using the Dependency Structure Matrix(DSM).
박문일(Moon Il Park),신동열(Dong Yul Shin),배종운(Jong Woon Bae),김현희(Hyun Hee Kim),정성로(Sung Ro Chung),김경헌(Kyoung Hun Kim),문수지(Soo Jee Moon) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.2
Recently, water birth - labor and/or delivery under warm water - is acceptable and natural to many foreign countries as a method of gentle birth. Although some limitations after water birth were reported, a recent international conference explored many of the issuses and indicated the potential scale and the advantages for its inclusion among the options for labor and delivery under water. We experienced a case of water birth who underwent labor and delivery under water. She delivered normal healthy female baby without conventional episiotomy. No obstetrical ans fetal complications were observed during entire procedure of water birth. So, we report this case with brief review of the literatures.