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( Bo Ram Youn ),( Kyung Hwan Kim ),( Wan Kim ),( Hyun Gee Moon ),( Won Yu Kang ),( Sang Cheol Cho ),( Sun Ho Hwang ),( Weon Kim ),( Myung Ho Jung ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: Previous several studies revealed that everolimus-eluting (EES) and zotarolumus- eluting stent (ZES) had similar long-term clinical outcome. However, there were few studies that compared the efficacy of these stents in acute myocardial infarction (AMI) patients who treated by peri-procedual abciximab, a class of platelet glycoprotein IIb/IIIa inhibitor. Methods: 1698 AMI patients who treated by periprocedual abciximab were enrolled from KAMIR data. After propensity score matching, clinical outcome between 489 patients treated by EES (EES group) and 489 patients treated by ZES (ZES group) were compared. Primary end point was defi ned as composite of cardiac death, non-fatal myocardial infacrtion, and target-lesion revascularization (TLR) for 2 years. Secondary end point was cumulative incidence of respective clinical events. Results: For AMI patients who were not treated by abciximab, the composite outcome of EES group and ZES group were not signifi cantly different (p=0. 07). However, for AMI patients treated by abciximab, EES group revealed better composite outcome than ZES group after propensity score matching (p=0. 012). Although there were no signifi cant difference of cardiac death (p=0. 343), non-fatal MI (p=0. 146), EES group showed signifi cantly lower rate of TLR than ZES group (p=0. 003). Cox-regression analysis was performed to adjust compounding variables and the use of EES rather than ZES was independent contributor to improve composite outcome (p=0. 027). Conclusion: EES revealed better clinical outcome than ZES in AMI patients treated by periprocedual abciximab. However, it is not defi nite whether this result comes from the interaction of stent and abciximab or different effi cacy of two drug-eluting stents in AMI patients with large thrombotic burden.
( Bo Ram Youn ),( Kyung Hwan Kim ),( Wan Kim ),( Hyun Gee Moon ),( Won Yu Kang ),( Sang Cheol Cho ),( Sun Ho Hwang ),( Weon Kim ),( Eun Kyung Cho ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: Endothelial dysfunction (ED) is well known to be associated with coronary artery disease (CAD). However, the effect of ED on clinical manifestation of CAD is not well established. This study is designed to assess the difference of endothelial dysfunction between acute coronary syndrome and stable angina pectoris (SAP). Method: Our study has enrolled 224 patients (182 SAP group and 42 ACS group) with chest pain consecutively and coronary angiography was performed for all patients. We used fi ow-medicated dilation (FMD) as detecting tool for endothelial dysfunction. Result: The average FMD value of was 9. 64±4. 10 for SAP group and 8. 17 ± 3. 96 for ACS group. The prevalence of some other medical conditions that are known to be associated with ED was similar between two groups. Although the difference of FMD value was meaningful when compared by t-test (p=0. 040), there was no signifi cant difference after adjusting other variables such as age, diabetes, hypertension, medications (p=0. 454). Age was only important contributing factor for ED in this study (p=0. 035). Conclusion: The severity of endothelial dysfunction was not different between ACS patients and SAP patients. From this result, we can propose that endothelial dysfunction cause coronary artery disease mainly by chronic pathological course such as atherosclerosis. The impact of endothelial dysfunction on plaque rupture or erosion may not be important in development of acute coronary syndrome.
전기방사한 나노섬유 웹 처리소재와 상용 투습방수소재의 역학적 특성 비교
윤보람 ( Bo Ram Youn ),이승신 ( Seung Sin Lee ) 한국감성과학회 2010 감성과학 Vol.13 No.2
In this study, breathable waterproof materials were prepared by electrospinning. Five kinds of electrospun nanofiber web layered systems with different levels of nanofiber web density, as well as different substrates and layer structures were fabricated, and their mechanical properties (tensile, bending, shear, compression, surface, and thickness & weight) were measured by the KES-FB system and compared with those of conventional breathable waterproof fabrics (densely woven fabric, PTFE laminated fabric and PU coated fabric). The KES-FB measurements demonstrate that the lab-scale nanofiber web layered systems are more flexible and fuller than commercial nanofiber web layered systems, which have a more compact structure than the lab-scale nanofiber web layered systems. Densely woven fabrics and lab-scale nanofiber web layered systems showed lower values of tensile linearity (LT), bending stiffness (B), and shear stiffness (G) than those of PU coated and PTFE laminated fabric. These results indicate that they are more flexible and have less resistance to the shearing movement, corresponding to a more pliable material having a better drape, than PU coated fabrics and PTFE laminated fabrics.
Korean Version of the Scale for the Assessment and Rating of Ataxia in Ataxic Stroke Patients
Bo-Ram Kim,Jin-Youn Lee,Min Jeong Kim,정희연,이종민 대한재활의학회 2014 Annals of Rehabilitation Medicine Vol.38 No.6
Objective To investigate the intra-rater and inter-rater reliability and usefulness of the Korean version of the Scale for the Assessment and Rating of Ataxia (K-SARA) in ataxic stroke patients.Methods The original SARA was translated into Korean, back translated to English, and compared to the original version. Stroke patients (n=60) with ataxia were evaluated using the K-SARA by one physiatrist and one occupational therapist. All subjects were rated twice. We divided the subjects into 5 groups by Functional Ambulation Category (FAC) and 3 groups based on the ataxia subscale of the National Institutes of Health Stroke Scale (NIHSS). The mean K-SARA scores representing each group of FAC and the ataxia subscale of NIHSS were compared.Results The test-retest correlation coefficient of the K-SARA was 0.997 by the therapist and 1.00 by the physiatrist (p<0.001). The inter-rater correlation coefficient of the K-SARA was 0.985 (p<0.001). The ataxia subscale of NIHSS did not correlate with K-SARA. There was a significant difference in the mean K-SARA score by FAC (p<0.001). Conclusion K-SARA is a reliable and valid measure of ataxia in stroke patients in Korea.
Beneficial effect of agar mask against skin damages induced by UV exposure in SKH-1 hairless mice
Bo Ram Song,Ji Eun Kim,Woo Bin Yun,Mi Rim Lee,Jun Young Choi,Jin Ju Park,Dong Seob Kim,Chung Yeoul Lee,Hee Seob Lee,Yong Lim,Min Wook Jung,Bae Hwan Kim,Dae Youn Hwang 한국실험동물학회 2017 한국실험동물학회 학술발표대회 논문집 Vol.2017 No.8