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소아 기능성 위장 장애의 한약 치료에 대한 임상연구 동향 - 중의학 무작위 대조군 임상시험을 중심으로
이지홍,이선행,장규태,Lee, Jihong,Lee, Sun Haeng,Chang, Gyu Tae 대한한방소아과학회 2021 대한한방소아과학회지 Vol.35 No.3
Objectives The purpose of this study is to analyze randomized clinical trials (RCTs) on traditional Chinese medicine to summarize its efficacy and safety for the treatment of functional gastrointestinal disorders (FGIDs) in children. Methods We searched literatures published up to March 19, 2021 using two Chinese electronic databases. Data regarding patients, interventions, results, and adverse events were extracted from RCTs of herbal medicine for children with FGIDs. Results A total of 34 RCTs were included: 16 trials on functional dyspepsia, 7 trials on functional constipation, 6 trials on functional abdominal pain, 4 trials on irritable bowel syndrome, and 1 trial on functional diarrhea. 26 of 29 trials that reported total effective rate, the treatment group showed a significant improvement compared to the control group. Most of other evaluation indicators, such as symptom score, symptom disappearance time, and recurrence rate also demonstrated statistically significant improvement. Of the 16 studies which reported safety, 5 studies reported no adverse reactions in either group, and 4 studies reported no statistically significant differences in the incidence of adverse events between two groups. Also, reported adverse events were mostly mild. Conclusions Herbal medicine may help improve symptoms of FGIDs in children. However, due to limited types of studies on sub-diseases of FGIDs and small sample sizes in each study, additional large scale clinical studies on various other FGIDs are necessary.
효율적인 애니메이션을 위한 모션 에디팅 방법의 계산량분석에 관한 연구
이지홍,김인식,김성수,Lee, Jihong,Kim, Insik,Kim, Sungsu 제어로봇시스템학회 2002 제어·로봇·시스템학회 논문지 Vol.8 No.1
Regarding efficient development of computer graphic animations, lots of techniques for editing or transforming existing motion data have been developed. Basically, the motion transformation techniques follow optimization process. To make the animation be natural, almost all the techniques utilize kinematics and dynamics in constructing constraints for the optimization. Since the kinematic and dynamic structures of virtual characters to be animated are very complex, the most time-consuming part is known to the optimization process. In order to suggest some guide lines to engineers involved in the motion transformation, in this paper, we analyze the computational complexities for typical motion transformation in quantitative manner as well as the possibility for parallel computation.
곡면 FSS 스크린의 측정 방법 제시 및 곡률 반경에 따른 주파수특성 분석
이지홍(Jihong Lee),오상진(Sang-Jin Oh),서일성(Ilsong Seo),김근홍(Geunhong Kim) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.11
A Flat dielectric layer with an embedded frequency selective surface(FSS) can provide a well defined passband transmission window for an incident plane wave at moderate angles of incidence. We have mathematical method for analysis Flat dielectric layer with an embedded FSS but we can’t analysis of Curved dielectric layer with an embedded FSS. We proposed experimental method define passband transmission window of curved dielectric layer with embedded FSS.