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김명준(Kim Myoung-Joon) 한국콘텐츠학회 2006 한국콘텐츠학회 종합학술대회 논문집 Vol.4 No.2
본 연구는 지금까지 연구되어진 사회자본 척도에 대한 선행연구 고찰을 토대로 스포츠 참여자의 사회자본 척도를 개발하는데 그 목적이 있다. 이와 같은 목적을 달성하기 위해 다양한 사회자본 척도 가운데 Fukuyama(1996), Shane(2005), 김정란(2003), 박희봉과 김명환(2000), 정기환과 심재만(2004)의 SC를 토대로 스포츠 참여자의 사회자본 척도(SCSPS)를 개발하였으며, 본 연구에서 도출된 결과는 다음과 같다. 첫째, 개발된 스포츠 참여자의 사회자본 척도(SCSPS)는 연결망, 규범, 신뢰, 지식공유, 지위향상 등 5개의 속성으로 구분되었다. 둘째, 개발된 스포츠 참여자의 사회자본 척도(SCSPS)를 구조방정식모형(SEM)을 이용하여 분석한 결과 연구자가 설정한 부합지수 기준에 적합하였다. 셋째, 스포츠 참여자의 사회자본 척도(SCSPS)는 신뢰도와 타당도 검증에 있어 양호한 것으로 나타났다. The purpose of this study was to develop a scale of social capital in participant sports. To achieve the purpose of this study Socal Capital Scale by Fukuyama(1996), Shane(2005), Kim(2003), Park & Kim(2000), Jung & Shim(2004) was translated and modified to use in participant sports. Throughout the research procedures including back translation, expert meeting, pre-test, sampling, data analysis. Result of this study are as follows : First, SCSPS(social capital scale in participant sports) was consisted with four sub-domains such as social network, norms, trust, information share, and position improvement. Second, based on outputs form SEM, it was indicated that model used to develop SCSPS had relatively good fit with significant scores of model indices. Finally, reliability and validity of the scale also showed relatively high scores.
Statin 치료시 LDL 콜레스테롤의 직접 측정값과 계산값의 비교
김현진 ( Hyeon Jin Kim ),석지혜 ( Ji Hye Suk ),강지현 ( Ji Hyun Kang ),권혁용 ( Hyuk Yong Kwon ),황치성 ( Chi Sung Hwang ),김명준 ( Myoung Joon Kim ),김미경 ( Mi Kyung Kim ),김태익 ( Tae Ik Kim ),김인주 ( In Joo Kim ) 대한내과학회 2010 대한내과학회지 Vol.79 No.3
Background/Aims: Lowering low-density lipoprotein cholesterol (LDL-C) is the primary target for the prevention of cardiovascular disease. Previous studies have shown that estimated LDL-C levels calculated using Friedewald`s formula (FLDL-C) are closely correlated with directly measured LDL-C levels (DLDL-C). However, because statins not only reduce LDL-C, but also alter the levels of parameters used to calculate FLDL-C (i.e., total cholesterol, triglycerides, and high-density lipoprotein cholesterol), whether calculated LDL-C levels remain a reliable estimate of actual levels after statin treatment is unclear. Methods: Subjects included 985 patients at high risk of cardiovascular disease who had taken statins for more than 6 months. FLDL-C data were compared to DLDL-C data. Results: A strong correlation was observed between DLDL-C and FLDL-C data (R2=0.879). However, the absolute values for FLDL-C and DLDL-C differed significantly according to a paired t-test, and 42.3% of patients showed a difference of greater than 10% between these two values. Among patients with diabetes, the percentage of patients deemed to have achieved target LDL-C levels differed significantly according to the method of LDL-C determination (p=0.007). Conclusions: FLDL-C and DLDL-C data remained well correlated after statin treatment, although the absolute values differed significantly according to the LDL-C determination method. Furthermore, the percentage of subjects deemed to achieve target LDL-C levels differed significantly according to the method of determination among patients with diabetes. (Korean J Med 79:277-284, 2010)
박종훈,김명준,김재용,차흥원,Jong Hoon Park,Myoung Joon Kim,Jae Yong Kim,Hung Won Tchah 대한안과학회 2012 대한안과학회지 Vol.53 No.11
Purpose: To formulate an equation to estimate corneal spherical aberration using Orbscan (Bausch & Lomb Surgical, Rochester, NY, USA) parameters. Methods: The study was carried out retrospectively. The participants were 76 eyes of 76 senile cataract patients with the mean age of 57.37 ± 17.63 years. Both Orbscan and KR-1W (Topcon Corp, Tokyo, Japan) were taken as preoperative examinations. Correlation analysis between various parameters from Orbscan and corneal spherical aberrations for a 6 mm pupil by KR-1W was performed. And multivariable linear regression was performed with the significantly correlated Orbscan parameters from the correlation analysis. Results: The mean corneal spherical aberration from KR-1W system was 0.25 ± 0.08 μm. As a result of the multivariable linear regression, we could generate following equations. If the Q-value was available, estimated corneal spherical aberration = 0.389 × Q-value + (0.022 × Axial power 3 mm) - 0.633 (R2 = 0.436). If the Q-value was not available, estimated corneal spherical aberration = 0.184 × (Mean power 5 mm – Mean power 3 mm) + (0.02 × Axial power 3 mm) - 0.563 (R2 = 0.429). By using the equations, 93.4-94.7% of subjects were in the error range of 0.10 μm. Conclusions: Even when equipped with Orbscan only, an appropriate aspheric intraocular lens can be selected using the estimated corneal apherical aberration by the equations.
부분결합간섭계에 내장된 인공수정체 도수측정 공식들의 정확성 비교
김동윤,김명준,김재용,차흥원,Dong Yoon Kim,MD,Myoung Joon Kim,MD,PhD,Jae Yong Kim,MD,PhD,Hungwon Tchah,MD,PhD 대한안과학회 2009 대한안과학회지 Vol.50 No.4
Purpose: To evaluate the accuracy of various formulas installed in IOLMaster software which uses partial coherence interferometry for axial length measurement. Methods: This retrospective comparative study included 81 eyes of consecutive patients who had uneventful cataract surgery with implantation of Acrysof single piece (SA60AT) IOL. Axial length was measured with IOLMaster and IOL power was calculated using various formulas, including SRK II, SRK/T, Holladay 1, Haigis, and Hoffer Q. Subjects were stratified by axial length into Groups A (axial length < 23.50 mm), B (23.50 mm ≤ axial length < 25.00 mm), and C (axial length ≥ 25.00 mm). Target refractions of the five formulas were compared to the postoperative manifest refraction at 1 month. Results: The five formulas showed no difference in predicting postoperative refractive errors among all of the groups. Conclusions: Five formulas installed in IOLMaster software provided equivalent predictions of postoperative refractive error regardless of axial length. J Korean Ophthalmol Soc 2009;50(4):523-528
마이토마이신을 이용한 라섹 수술 후 지연성으로 발생한 비대 각막 반흔 2예
김동윤,김명준,윤삼영,신철진,김경훈,차흥원,Dong Yoon Kim,MD,Myoung Joon Kim,MD,PhD,Sam Young Yoon,MD,Chul Jin Shin,MD,Kyoung Hoon Kim,MD,Hungwon Tchah,MD,PhD 대한안과학회 2009 대한안과학회지 Vol.50 No.2
Purpose: To report late-onset hypertrophic corneal scars after laser epithelial keratomileusis (LASEK) with mitomycin C. Case summary: Case 1. A 34-year-old man who had undergone LASEK with mitomycin C 15 months prior was referred to our clinic because of corneal opacity of his right eye. After LASEK, there have been no abnormalities in either of his eyes. However, 11 monthsafter LASEK, he experienced decreased visual acuity in his right eye. The visual acuity was 0.03 in his right eye and 1.0 in his left eye. On slit lamp examination there was a whitish, hypertrophic scarin his right cornea. The lesion was located in the corneal center and the subepithelial space. Central corneal thickness was 828 μm. Case 2. A 23-year-old woman who had undergone LASEK with mitomycin C 14 months before was referred our clinic because of corneal opacity of her left eye. After LASEK, there had been no abnormalities in either of her eyes. However, 12 months after LASEK she experienced decreased visual acuity in her left eye. The visual acuity was 1.0 in her right eye and 0.2 in her left eye. On slit lamp examination there was a whitish, hypertrophic scar in her left cornea. Central corneal thickness was 794 μm. Conclusions: Manual debridement was performed to remove the hypertrophic scar in both cases. Case 1. After manual debridement, visual acuity of the right eye improved to 0.63. Case 2. After manual debridement, best-corrected visual acuity of the left eye was 0.63.
성민철,김명준,차흥원,Min-Cheol Seong,Myoung-Joon Kim,Hung-Won Tchah 대한안과학회 2005 대한안과학회지 Vol.46 No.10
Purpose: The hydrated form of lime used for marking lines on the ground is a corrosive alkali. The harmful effects of lime are well known, and chemical burns of human tissue due to lime have been reported. We report a case of chemical injury of the cornea caused by exposure to lime at a playground. Methods: A 3-year-old male patient presented with decreased visual acuity after slipping on the playground. His best corrected visual acuity (BCVA) was 20/40 in the right eye (OD), and hand motion in the left eye (OS). On biomicroscopic examination, bilateral corneal opacity and corneal erosion were observed. In the OS, the corneal opacity involved the visual axis and resulted in vision impairment. He was treated with eye drops. Results: After treatment for 3 months, his corrected visual acuity was 20/30 in the OD, and 20/125 in the OS. The corneal opacity was not improved and corneal thinning was observed in the OS. After 1 year, BCVA was 20/25 in the OD, and 20/100 in the OS. Conclusions: The lime used for marking white lines on the ground can cause opacity and thinning of the cornea. Other, safer methods for line marking should be considered.