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김명규,최용성,정송우,전영미,김정기 대한치과교정학회 2005 대한치과교정학회지 Vol.35 No.3
본 연구는 Quick Ceph Image Pro^(™)(ver 3.0)와 국내에서 개발되어 사용 중인 V-Ceph (ver. 3.5) 2 종의 비디오 이미지 예측 프로그램의 수술 후 연조직 측모의 정확성과 신뢰성에 대해서 알아보고자 시행되었다. 골격성 Ⅲ급 부정교합으로 진단되어 수술 전 교정 치료를 받고, 하악골 후퇴 수술(body osteotomy 또는 SSRO)을 시행한 남녀 환자 각각 20명을 대상으로 하였다. 나이는 평균 21.4 ± 4세이고, 수술 전 측모두부방사선계측사진은 수술 전 평균 21.1일에, 수술 후 측모두부방사선계측사진은 수술 후 평균 335.7일에 촬영되었으며, 예측치와 실측치 차이를 비교하였다. 연구결과 Quick Ceph과 V-Ceph 모두 예측치와 실측치 사이에 크기와 방향에 있어서 오차가 관찰되었으며 이러한 오차는 상순과 하순, 턱과 연관된 항목에서 크게 나타났다 (p〈0.05). Quick Ceph은 A', Ls, Li의 수평적 위치 및 각 부분에서의 연조직 두께(Ul-Ls, L1-Li, Pog-Pog')의 수평거리 예측에서,Y-Ceph은 하순의 수직적 위치 예측에서 오차가 컸다 (p〈0.05) V-Ceph의 경우 하악골의 이동양이 증가할 때 Sn의 수직적 위치, Ls의 수평적 위치, 상순의 연조직 두께(U1 -Ls)처럼 상순과 연관된 계측치에서 예측오차가 컸으며, Quick Ceph의 경우 하악골의 이동양이 증가할 때 하순의 수평위치 및 하순의 두께에서의 예측오차가 작았다 (p〈0.05). 또한, 연조직의 두께에 따른 오차를 평가한 결과, Quick Ceph의 경우 상순과 하순의 두께가 두꺼울수록 각각에 관련된 연조직 예측의 오차가 컸으며 (p〈0.05), Y-Ceph의 경우 하순과 턱의 연조직 두께가 두꺼울수록 턱의 연조직 예측의 오차가 크게 관찰되었다 (p〈0.05). 그러나, 본 연구에서의 모든 예측오차값은 3 mm 이내로 계측되었으며 이러한 오차 범주는 임상적으로 허용 가능한 수준인 것으로 생각된다. The purpose of this study was to test and compare the accuracy and reliability of soft tissue profile predictions generated from two computer software programs (Quick Ceph Image Pro^(™) (ver 3.0) and V-Ceph^(™) (ver 3.5)) for mandibular set-back surgery. The presurgical and postsurgical lateral cephalograms of 40 patients (20 males and 20 females) were traced on the same acetate paper with the reference taken as the cranial base outline. The presurgical skeletal outlines were digitized onto each computer program and the mandible was moved to mimic the expected surgical procedure with reference to the mandibular anterior border and lower incisor position of the actual postsurgical skeletal outline. The soft tissue profile was generated and the amount and direction of skeletal movement was calculated with each software. The predicted soft tissue profile was compared to the actual postsurgical soft tissue profile. There were differences between the actual and the predicted surgical soft tissue profile changes in the magnitude and direction, especially the upper lip, lower lip and the soft tissue chin (p〈0.05). Quick Ceph had more horizontal measurement errors and thickness errors for the upper lip and lower lip, but V-Ceph had more vertical measurement errors of the lower lip (p〈0.05). There was a positive correlation between the prediction errors and the amount of mandibular movements in the vertical position of Sn, the horizontal position of Ls and the upper lip thickness for V-Ceph, and there was a negative correlation in the horizontal position and the thickness of the lower lip for Quick Ceph (p〈0.05). However, all of the prediction errors of both imaging softwares were ranged within 3 mm, and this was considered to be allowable clinically.
김석일,이명섭,김대권 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.1
This study was undertaken to grasp health-promoting behavior of the elderly and to identify self-rating health status, demographic characteristics related to them in order to facilitate nursing intervention for health promotion of the population. The subjects for this study were 225 old persons visiting five general social welfare centers located in Tague. Data were collected by self-reported questionnaires from August, 2002to February, 2003. Questionnaires were Northern Illinois University's Health Self-Rating Scale, Walker and others' health Promotion Lifestyles Profile. Analysis of the data was done by the SAS program for descriptive statistics, t-test, ANOVA, and pearson Correlation Coefficient. The results were summarized as follows: 1. There were significant differences in health-promoting behavior according to sex)t=3.28, p=.0011), marital status(F=8.98, p=.0003), and average monthly pocket money(F=4.99, p=.0007). 2. For the participation in health-promoting behavior, the mean score was 2.96 and range was from 3.40 to 2.34. The factors of high mean score were sedentary life(3.40), regular diet(3.37), and factors of low mean score were stress management(2.34), accountability for health(2.60). 3. The mean score of health self=rating was 2.19(range 4-14) and was considered low. 4. Self-rating health status was correlated positively with health-promoting behavior(r=.1783, p=.0106). On the basis of the above findings, the followings are recommended; 1. Nursing strategies need to be developed considering personal demographic characteristics of the elderly. 2. Nursing interventions enhancing self-actualization, accountability for health, stress management of the elderly must be provided.
李明薰,金碩均 동국대학교 산업기술환경대학원 1994 산업기술논총 Vol.2 No.-
This study was conducted to develope elite, high adaptable corn hybrids using alien germplasm. We investigated yields, plant characters, and yield components of new 6 hybrids and 4 check hybrids. Hybrid CIM.A-21 × NC 246 which was late for days to tasseling, high for plant and ear heights showed the highest grain, stover, and total dry matter yields. Hybrid KS 8 × SC 12 which was a little lower total dry matter yield showed relatively high grain yield, early flowering, and good characters for plant and ear height. Horizontal plant type hybrids with big leaf angle had small leaf area index, were early matured varieties and high in yields. In yield components, KS 8 × SC 12, Suwon 19, and KS 7 × SC 12 were higher than the other hybrids. KS 8 × SC 12 might be the most effective material to develope corn hybrid. Leaf angle showed negative correlation coefficients with all of the characteristics of corn hybrid, except for ear height, stem diameter, and weight of 100 kernel. Expecially, it had negative correlation coefficients with plant height and number of kernels per row in 5% levels, and with grain yield, total dry matter in 1% levels.
초음파법을 이용한 콘크리트 역타시공 이음부 공극의 화상검출특성
박석균,백운찬,이한범,김명모 한국비파괴검사학회 2000 한국비파괴검사학회지 Vol.20 No.4
최근 역타시공법 등에 의한 콘크리트 구조물의 시공이 증가 추세에 있다. 이 경우, 자주 발생되는 신ㆍ구타설 콘크리트 시공이음부의 공극은 향후 구조물의 구조적인 특성과 내구성 등에 큰 영향을 미치게 된다. 그러나 현재 제안되고 있는 비파괴 검사법으로는 효과적으로 이음부 공극을 평가하기에 많은 한계가 있다. 본 연구에서는 시공이음부의 콘크리트 충전상태를 평가하기 위해 철골철근 콘크리트와 무근 콘크리트 시험체내에 공극을 모의제작한 후, 초음파속도 측정을 실시하고, 화상처리기법을 이용하여 비교적 용이하게 해석 가능한 방법에 대해 검토하였다.
극단 저체중 신생아에서의 동맥관 개존증 결찰술을 위한 진정맥 마취 경험 2례
최영균,고명진,이상은,조광래,김영환,임세훈,이정한,이근무,정순호,김영재,신치만 仁濟大學校 白病院 2010 仁濟醫學 Vol.31 No.-
Running title: Cases of anesthesia for extremely low birth weight infant. Extremely low birth weight infants (birth weight < 1000 g) are prone to various morbidities such as respiratory distress syndrome, intraventricular hemorrhage, periventricular leukomalacia, patent ductus arteriosus, necrotizing enterocolitis and retinopathy. To accomplish successful anesthetic management, many precautions must be continuously taken during the operation. First, inspired oxygen concentration should be adjusted to avoid oxygen toxicity. Second, body temperature must be maintained adequately. Third, hemodynamic parameters should be kept stable. We report 2 cases of successful anesthetic management for extremely low birth weight infant who underwent ligation of patent ductus arteriosus at the neonatal intensive care unit.
A GIS Based Study on Spatial Characteristics of Wild Boar Movement
Kim, So Ra,Lee, Woo-Kyun,Byun, Woo-Hyuk,Kim, Tae-Mim,Kim, Won-Myoung Korean Forest Society 2007 Forest Research Vol.3 No.1
The objective of this study was to obtain information on the spatial distribution pattern, home range and utilization characteristics of wild boar movements in Yangyang- gun, Kangwon-do. Wild boar movement data were collected via radio-telemetry and used for our research. The spatial characteristics of the wild boar movements were analyzed in relation to environmental factors, such as forest types, forest age classes, forest density, aspect, elevation, slope, distance to drainages and forest roads, and the TWI (Topographic Wetness Index). The spatial distribution of wild boar movement appeared in cluster form. The home ranges of five boars were proven to be closely related to their body weights. The activities of wild boars were greater during autumn than summer. Wild boars appeared mostly on the eastern face forested with 301 to 500 meters elevation, and under 10 degree slope, within 200 m from forest roads and 300 m from drainage, and over 10 TWI. Wild boar appeared also mostly on mixed forests of twenty years with medium densities.