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고영옥,이종옥,신동국 진주산업대학교 농업기술연구소 2002 農業技術硏究所報 Vol.15 No.-
현대인의 기호에 맞는 지리산 반발효차(구황차)를 개발하기 위하여 옛날 제차법이 보존되어 있는 절간의 기술에 새로운 과학기법을 접목하여 개발한 차의 결과는 다음과 같다. 1. 총질소함량은 고온황토방의 녹차에 비하여 황토방의 녹차의 함량이 다소 높았다. 2. 총아미노산, 카페인 및 비타민-C함량은 황토방과 고온황토방의 제차방법에 따른 차이는 그다지 높지 않았다. 3. Geraniol함량은 황토방의 녹차(2회차)가 2.4%이며, 고온황토방의 녹차에 비하여 높은 경향이었다. 4. Pyrrole류의 pyrrole성분은 고온황토방이 다소 높았으나, ethyl pyrrole는 황토방에서 조성비가 현저히 높았다. 5. 꽃향기에 기여하는 Jasmone함량은 고온황토방의 녹차에서 조성비가 다소 높았다. In the order to taste go well with half-ferment green tea(kuhwang green tea) in the products of Mt. jiri garden were made try to development for modern people, according to once upon time there buddhist temple preserve course of green tea processing was approachable to new science of skill . The results were summarized as follows: 1. The amount of total nitrogen in green tea was high for yellow soil room than high temperature of yellow soil room 2. The amounts of total amino acid, caffeine and Vit. C in green tea were not difference according to yellow soil according to making method 3. The amount of geraniol in green tea was high tendency of yellow soil room(2.4%) than high temperature of yellow soil room 4. The component of pyrrole, in green tea was a few high such as high temperature yellow soil room, but the ethyl pyrrole was high ratio with yellow soil room. 5. The aroma component of amount of jasmone in green tea was a few high with high temperature of yellow soil room
Efficacy of stent-supported subintimal angioplasty in the treatment of long iliac artery occlusions
Ko, Young-Guk,Shin, Sanghoon,Kim, Kwang Joon,Kim, Jung-Sun,Hong, Myeong-Ki,Jang, Yangsoo,Shim, Won-Heum,Choi, Donghoon Elsevier 2011 Journal of vascular surgery Vol.54 No.1
<P><B>Background</B></P><P>Subintimal angioplasty (SA) is becoming increasingly accepted as a revascularization technique for chronic arterial occlusive disease. However, its efficacy in iliac artery occlusions has not been established. Therefore, we investigated the procedural and clinical outcomes of subintimal angioplasty in long iliac artery occlusions and compared them with those of intraluminal angioplasty (IA) in nonocclusive stenotic iliac artery lesions.</P><P><B>Methods</B></P><P>We retrospectively analyzed data from 151 consecutive patients with long (>5 cm) iliac artery lesions (204 limbs) who underwent angioplasty with primary stent implantation from October 2004 through July 2008. Among them, 100 lesions in 100 patients were treated with intentional SA, and 104 lesions in 82 patients were treated with IA. We compared the baseline characteristics and immediate and long-term outcomes of iliac artery lesions treated with SA versus IA.</P><P><B>Results</B></P><P>Baseline characteristics showed that longer lesions and critical limb ischemia were found more frequently in the SA group, whereas diabetes and combined femoropopliteal lesions were present more often in the IA group. The technical success rate of SA was lower than that of IA (93.0% vs 99.0%; <I>P</I> = .048). However, there was no significant difference in the procedure-related complications between the SA and IA groups (4.0% vs 4.8%; <I>P</I> = .779). Primary patency rates for SA and IA were 96.8% and 98.0% at 1 year, and 93.9% and 90.6% at 2 years, respectively (log rank <I>P</I> = .656).</P><P><B>Conclusion</B></P><P>Stent-supported SA in occlusive iliac lesions was safe and showed a high long-term patency rate comparable to that of IA performed in nonocclusive iliac lesions despite longer lesion length. Thus, SA with implantation of stents is an effective technique for the treatment of chronic long iliac artery occlusion.</P>
Ko, Young-Guk,Choi, Seung-Hyuk,Chol Kang, Woong,Kwon Lee, Byoung,Wook Kim, Sang,Shim, Won-Heum Japan Atherosclerosis Society 2014 Journal of atherosclerosis and thrombosis Vol.21 No.8
<P>The study aim is to investigate synergistic effects of cilostazol and probucol combination therapy on coronary plaque volume and composition.</P>
Ko, Young-Guk,Kim, Jung-Sun,Choi, Donghoon,Hong, Myeong-Ki,Min, Pil-Ki,Yoon, Young Won,Hong, Bum-Kee,Lee, Byoung-Kwon,Kwon, Hyuck-Moon,Kim, Byeong-Keuk,Oh, Sung-Jin,Jeon, Dong-Wun,Yang, Joo-Young,Jang Elsevier 2011 INTERNATIONAL JOURNAL OF CARDIOLOGY Vol.152 No.3
<P><B>Abstract</B></P><P><B>Background</B></P><P>Siroliums-eluting stents (SES) and paclitaxel-eluting stents (PES) have been widely used for the treatment of coronary artery disease. We investigated 5-year clinical outcomes of patients treated with SES versus PES in a multicenter registry.</P><P><B>Methods</B></P><P>We used a propensity score matching method with 2:1 matching, including 512 patients treated with SES and 256 patients treated with PES from March 2003 to December 2004. The primary endpoint was major adverse cardiac events, which included all-cause death, myocardial infarction (MI), and target vessel revascularization (TVR).</P><P><B>Results</B></P><P>After matching, baseline characteristics were similar between the two groups. At 5years, cumulative survival free of major adverse cardiac events, MI, and stent thrombosis did not differ between the two groups. Survival free of TVR at 5years was higher in the SES group (88.4%) than the PES group (84.3%, Log-rank <I>p</I>=0.016). In contrast to the trend toward more likely target lesion revascularization in the PES group during the first 2years (hazard ratio 0.62, <I>p</I>=0.057), target lesion revascularization tended to occur more frequently in the SES group from 2 to 5years (hazard ratio 2.26, <I>p</I>=0.099).</P><P><B>Conclusions</B></P><P>Long-term risk of TVR was slightly lower with SES, compared with PES, despite no significant difference in major adverse cardiac events. However, the SES group had more frequent target lesion reintervention 2 to 5years after stent implantation, whereas reintervention in the PES group occurred mainly within the first 2years. This may reflect the temporal difference in neointimal growth of the two stent types.</P>
( Young Guk Ko ),( Jong Youn Kim ),( Chi Young Shim ),( Sung Ha Park ),( Ki Chul Hwang ),( Dong Hoon Choi ),( Yang Soo Jang ),( Won Heum Shim ),( Nam Sik Chung ),( Seung Yun Cho ) 한국조직공학과 재생의학회 2006 조직공학과 재생의학 Vol.3 No.3
After coronary stenting, inflammatory mechanisms play a crucial role in the pathogenesis of neointimal proliferation and in-stent restenosis. Drug eluting stents(DES) have been shown to reduce in-stent restenosis in various studies. We investigated plasma C-reactive protein (CRP) levels after DES implantation and compared with those after bare metal stent(BMS) implantation. In a prospective single center study, we performed percutaneous coronary intervention with a single stent in 67 patients(n=21 in BMS group, n=46 in DES group) with clinically stable angina. Plasma CRP levels were determined before intervention and 48 hrs, 72 hrs and 2 weeks after coronary stenting. There were 54 men(80.6%) and the age of patients ranged from 37 to 75 years(mean, 59±9 years). There was no difference in clinical and angiographic baseline characteristics except that more diabetic patients were included in DES group(34.8% vs 9.5%, p=0.04) and that the stent diameter was larger in BMS group(3.4±0.5 mm vs 3.0±0.4 mm, p<0.01). The plasma CRP levels at 48(13.4±14.7 vs 5.9±4.9 mg/L, p<0.01) and 72 hrs(16.7±19.8 vs 5.4±3.9 mg/L, p<0.01) after stent implantation were significantly higher in BMS than DES group. DES showed significantly lower plasma CRP levels after coronary stent implantation compared to BMS. This may reflect potent effects of DES on acute inflammatory reactions induced by coronary intervention.
Ko, Young-Guk,Le, Van Cuong,Kim, Bo Hyun,Shin, Dong-Ho,Kim, Jung-Sun,Kim, Byeong-Keuk,Choi, Donghoon,Jang, Yangsoo,Hong, Myeong-Ki Yonsei University College of Medicine 2012 Yonsei medical journal Vol.53 No.3
<P><B>Purpose</B></P><P>We investigated correlations of coronary plaque composition determined by virtual histology (VH) intravascular ultrasound (IVUS) and blood levels of biomarkers that represent the vulnerability of coronary plaques.</P><P><B>Materials and Methods</B></P><P>Pre- and postprocedural blood levels of high sensitivity C-reactive protein, soluble CD40 ligand (sCD40L), matrix metalloproteinase-9, and neopterin were measured in 70 patients with stable angina (SA) or unstable angina (UA) who were undergoing percutaneous coronary intervention (PCI) for single lesions. We evaluated the data for correlations between these biomarkers and necrotic core contents in PCI target lesions analyzed by VH.</P><P><B>Results</B></P><P>Clinical characteristics, IVUS, VH, and biomarker blood levels were not different between the SA and the UA group except for more frequent previous statin use (52.3% vs. 23.1%, <I>p</I>=0.017) and lower remodeling index in the SA group (0.98±0.09 vs. 1.10±0.070, <I>p</I><0.001). Among the biomarkers evaluated, only pre-PCI neopterin level showed a weakly significant correlation with the absolute volume of the necrotic core (r=0.320, <I>p</I>=0.008). Pre- and post-PCI blood levels of sCD40L (r=0.220, <I>p</I>=0.072; r=0.231, <I>p</I>=0.062) and post-PCI blood level of neopterin (r=0.238, <I>p</I>=0.051) showed trends toward weakly positive correlations with the absolute volume of necrotic core.</P><P><B>Conclusion</B></P><P>We found a weakly positive correlation between the pre-PCI neopterin level and necrotic core volume in the PCI-target lesion. The clinical implications of our findings need to be investigated in further studies.</P>