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MELAS Syndrome 환아(患兒) 1예(例)에 대한 고찰(考察)
정환수,이진용,김덕곤,Jeong Hwan-Su,Lee Jin-Yong,Kim Deok-Gon 대한한방소아과학회 1999 대한한방소아과학회지 Vol.13 No.2
MELAS is the condition associated with mutant mtDNA that most closely mimics thrombotic cerebrovascular disease. Characteristic abnormalities are two. first, 'ragged-red fibers' in muscle biopsy. second, point mutation in the mitochondrial DNA analyses. The characteristic clinical presentations of MELAS are short stature, recurrent stroke like episodes, migraine-like headache, sensorineural hearng loss, glucose intolerance and neuropathy. We now report a case of MELAS syndrome having mitochondrial DNA mutation with an A to G transition at the 3,243rd position diagnosed in Chung-ang Hospital.
철결핍성 빈혈(IDA)을 동반한 위장관 혈관확장증(Intestinal angiodysplasia) 1례
정환수,이진용,김덕곤,Jeong Hwan-Su,Lee Jin-Yong,Kim Deok-Gon 대한한방소아과학회 2000 대한한방소아과학회지 Vol.14 No.1
Angiodysplasia is uncommon and frequently undiagnosed and presents a taxing surgical problem. It is usually diagnosed for unexplained gastrointestinal bleeding. Angiography gives a little information about wax and wane pattern of bleeding in the lesion. We experienced I case of angiodysplasia in G-I tract(especially colon) diagnosed in the Seoul National University Hospital. This report summarized our experience and review of east and west literature.
정환수(Hwan-Su Jeong),최수진(Su-Jin Choi),정구섭(Gu-Seop Jung),장영준(Young-Jun Chang) 한국자동차공학회 2000 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
The analysis of double-exposed photographic plate can be carried out either by Young's fringe analysis or by a digital image processing technique in Particle Tracking Velocimetry. In this Study, we used digital image processing to two images in one frame for analyzing in-cylinder flow fields, and The result of PTV(Particle Tracking Velocimetry) was compared with it of PSV(Particle Streak Velocimetry). Additionally, This technique was verified by three different calibration methods. One is interpolation by invert distance, another is interpolation by area ratio, the third is interpolation by Taylor series 1st.<br/> In PTV, The error range of curvature is about 1.4∼5 %. The results among three interpolation methods were similar in whole flow fields. Finally, in the comparison of PTV and PSV, PTV can be applicable of the analysis and the flow visualization on in-cylinder flow fields.
보양성장탕(補陽成長湯) 투여가 사춘기 전 소아의 신장성장에 미치는 효과에 대한 임상적 연구
정환수,이훈,이진용,김덕곤,Jeong Hwan-Su,Lee Hun,Lee Jin-Yong,Kim Deok-Gon 대한한방소아과학회 2001 대한한방소아과학회지 Vol.15 No.1
Heights of children ranged from 91.10 to 144.70 and the mean height rate after the administration of Boyangsungjangtang was significantly greater than that, 0.036, of prepuberty children who are in 50 percentile(One sampled T test, p<0.001). A highly significant difference was observed among three groups, divided according to the duration of taking Boyangsungjangtang(ANOVA, p=0.015). Further analysis(Tukey's Multiple Range test) indicated that the mean height rate of the group taking Boyangsungjangtang for under 3 months was significantly higher than that of both group for 3 to 6 months and group for over 6 months. The mean height rate of the latter two groups were not significantly different.
경련(痙攣)을 동반(同伴)한 뇌성마미(腦性痲痺) 환자(患者) 1예(例)에 대(對)한 고찰(考察)
정환수,이진용,김덕곤,Jeong Hwan-Su,Lee Jin-Yong,Kim Deok-Gon 대한한방소아과학회 1999 대한한방소아과학회지 Vol.13 No.1
Cerebral palsy is a nonprogressive brain disorder occurring during gestation, parturition or neonatal period with resultant abnormality of posture or other deficits. Recently the early diagnosis and early treatment has been emphasized in management of cerebral palsy. We studied 1 cerebral palsied child that having been treated anticonvulsive therapy in Sangge-Baek Hospital(상계 백병원) for 1 year. We improved the patient's general condition through dispensing Herb-Med(養胃湯 加味), thus we could reduce the antiepileptic & Sedative drug dose simultaneously controlling convulsion. In this point, we could find the possibility of east-west integrated medicine's cooperation and the fact that Herb-Med could be helpful to controlling convulsion.