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Comparison of Outcomes Between STEMI and NSTEMI patients with Totally Occluded IRA
( Sang Woong Choi ),( Yun Kyeong Cho ),( Jae Pil Lee ),( Jihyun Sohn ),( Hyun Ok Cho ),( Hyoung Seob Park ),( Hyuck Jun Yoon ),( Hyungseop Kim ),( Chang Wook Nam ),( Seung Ho Hur ),( Yoon Nyun Kim ),( 대한내과학회 2012 대한내과학회 추계학술발표논문집 Vol.2012 No.1
Impact of hs-CRP on outcomes in acute myocardial infarction according to LDL cholesterol level
( Sang Woong Choi ),( Yun Kyeong Cho ),( Jae Pil Lee ),( Jihyun Sohn ),( Hyun Ok Cho ),( Hyoung Seob Park ),( Hyuck Jun Yoon ),( Hyungseop Kim ),( Chang Wook Nam ),( Seung Ho Hur ),( Yoon Nyun Kim ),( 대한내과학회 2012 대한내과학회 추계학술발표논문집 Vol.2012 No.1
( Sang Jin Lee ),( Yoon Chul Jung ),( Dong Ok Jeon ),( Hyo Jin Cho ),( Sung Gyu Im ),( Sun Kyung Jang ),( Ho Joon Kang ),( Mi Jung Kim ),( Jang Han Lee ) 대한신장학회 2013 Kidney Research and Clinical Practice Vol.32 No.4
Background: Diabetic patients are predisposed to foot infections because of vascular insufficiency and peripheral neuropathy. Diabetic foot infection is a common cause of mortality and lower extremity amputations (LEAs) in patients with chronic kidney disease (CKD). We evaluated the risk factors for mortality and LEAs in patients with stage 3 CKD or higher with diabetic foot infections. Methods: We retrospectively evaluated a cohort of 105 CKD patients with diabetic foot infections between July 1998 and December 2011. We reviewed their demographic characteristics and laboratory parameters to evaluate the risk factors for mortality and amputations at 24 weeks after diagnosis of a diabetic foot infection. Results: The mortality of the 105 enrolled CKD patients was 21% at 24 weeks after the diagnosis of a diabetic foot infection. Cox proportional regression analyses revealed that age 60 years or older [odds ratio (OR) 3.03, 95% confidence interval (CI) = 1.02-9.02, P = 0.047] and initial serum C-reactive protein (CRP) level ≥ 3 mg/ dL (OR 3.97, 95% CI = 1.17-13.43, P = 0.027) were independent risk factors for mortality at 24 weeks. Twenty-four patients (23%) underwent LEAs. On Cox proportional regression analyses, peripheral vascular disease (OR¼4.49, 95% CI¼1.98-10.17, P¼0.01) and cerebrovascular accident (OR 2.42, 95% CI¼1.09-5.39, P¼0.03) were independently associated with LEAs. Conclusion: This study showed that age and serum CRP level, were independent risk factors for mortality at 24 weeks in patients with stage 3-5 CKD with diabetic foot infections. Peripheral vascular disease and cerebrovascular accident were significantly associated with LEAs.
Yoon, Ok J.,Kim, Hyun W.,Kim, Duck J.,Lee, Hyun J.,Yun, Ji Y.,Noh, Yoo H.,Lee, Do Y.,Kim, Do H.,Kim, Sung S.,Lee, Nae-Eung WILEY-VCH Verlag 2009 Plasma Processes and Polymers Vol.6 No.2
<P>The conductance of amine-functionalized SWCNTs (a-SWCNTs), obtained by inductively coupled N<SUB>2</SUB>/H<SUB>2</SUB> plasma treatment of commercially available carboxyl-functionalized SWCNTs (c-SWCNTs), was decreased compared to that of the c-SWCNTs. As a result, the diameter and surface energy of electrospun PLGA/a-SWCNT nanocomposites decreased and increased, respectively, compared to those of electrospun PLGA/c-SWCNT nanocomposites. The results also showed that the a-SWCNTs were well dispersed in the nanocomposites, improved adhesion of SWCNTs to the surrounding polymer matrix and thereby enhanced the tensile modulus of electrospun PLGA/c-SWCNT and PLGA/a-SWCNT nanocomposites by 127 and 226%, respectively, compared to that of electrospun PLGA membranes.</P><P> <img src='wiley_img/16128850-2009-6-2-PPAP200800081-gra001.gif' alt='wiley_img/16128850-2009-6-2-PPAP200800081-gra001'> </P>
Yoon, Sang Ok,Kim, Kwan Soo,Kim, Shin,Shim, Sang Heung,Park, Jong Guk Trans Tech Publications, Ltd. 2007 Materials science forum Vol.544 No.-
<P>Al2O3 and TiO2 were sintered with three types (lead, zinc, bismuth) of borosilicate glass. Their microwave dielectric properties and sintering behavior were investigated as functions of glass type, glass addition (10~50 vol%) and sintering temperature (600~950°C for 2 hrs). Sintering characteristics were well described in terms of softening temperature, second phase, and excessive liquid. In particular, Bi2O3 addition to the glass enhanced reaction with Al2O3 and TiO2 to form liquid phase and second phase. In terms of dielectric properties glass/Al2O3 composites for application to substrates while glass/TiO2 composites for filters were shown to be appropriate.</P>
( Yoon Ok Jang ),( Soon Koo Baik ),( Mee-yon Cho ),( Kyu-sang Park ),( Seung-kuy Cha ),( Sung Hoon Kim ),( Moon Young Kim ) 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1
Aims: The beneficial effects of simvastatin on fibrosis in various organs have been reported. In addition, bone marrow-derived mesenchymal stem cells (MSCs) have been suggested as an effective therapy for hepatic fibrosis and cirrhosis. Recent evidence suggests that pharmacological treatment devoted to regulating stem cell function is a potential new therapeutic strategy, which is drawing nearer to clinical practice. The aim of this study was to determine whether the combination treatment of simvastatin plus MSCs (Sim-MSCs) could have a synergistic effect on hepatic fibrosis in a thioacetamide (TAA)-induced cirrhotic rat model. Methods: Hepatic fibrosis was induced in Sprague-Dawley rats by intraperitoneal injection of TAA (300 mg/kg body weight) twice a week for 12 weeks. Animals were randomly allocated into four groups (each group, n = 10) as follows: group I (G1, sham group); group II (G2, untreated cirrhotic group), which received the TAA injections; group III (G3, Simvastatin treated group), which received both the TAA injections and the simvastatin treatment; and group IV (G4, Simvastatin plus MSCs treated group), which received both the TAA injections and the Sim-MSCs treatment. G3 and G4 were given simvastatin at 10 mg·kg-1·day-1 via drinking water for 5 weeks. The BM-MSCs were injected directly into the right lobe of the liver at 6 and 8 weeks during the 12-week course of TAA administration. After 12 weeks, the effect of simvastatin and BM-MSCs on hepatic fibrosis was analyzed histomorphologically using the Laennec fibrosis scoring system, and the collagen proportionate area was quantified. Cirrhosis-related factors, such as transforming growth factor β1 (TGF-β 1), type 1 collagen (collagen-1), α-smooth muscle actin (α-SMA), and P-Smad3/Smad3 expression levels, were evaluated using real-time polymerase chain reaction and western blot assays. Results: Cirrhotic livers from rats treated with Sim-MSCs exhibited histological improvement compared to those treated with simvastatin alone. Sim-MSCs combination treatment reduced hepatic collagen distribution, lowered the hydroxyproline content, and rescued liver function impairment in rats with TAA-induced cirrhosis. These protective effects were more potent with Sim-MSCs than with simvastatin alone. The upregulation of collagen-1, α-SMA, TGF-β1, and Smad3 phosphorylation in cirrhotic livers was prevented by administration of Sim-MSCs. The Sim-MSCs combination treatment exerted strong protective effects against hepatic fibrosis by suppressing TGF-β/Smad signaling. Conclusions: Simvastatin could act synergistically with MSCs as an efficient therapeutic approach for intractable cirrhosis.
Case Reports : Eccrine Poroma on the Postauricular Area: A Rare Presentation
( Yoon Jung Choi ),( Hye Sung Kim ),( Jun Young Lee ),( Hyung Ok Kim ),( Young Min Park ) 대한피부과학회 2013 Annals of Dermatology Vol.25 No.1
An eccrine poroma is a benign neoplasm that originates from the intraepidermal ductal portion of the eccrine sweat duct. Although eccrine poromas are most commonly found on the sole or side of the foot, eccrine poromas have been observed on other areas of the skin, such as the scalp, neck, and chest. We report an interesting case of an eccrine poroma, which presented as a 1×1 cm protruding dome-shaped, skincolored- to-black nodule on the right postauricular area. The patient denied a previous history of trauma to this area. The histopathologic diagnosis was consistent with an eccrine poroma. There has been no local recurrence 5 months after complete excision. (Ann Dermatol 25(1) 92∼94, 2013)