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Gweon, Hye Mi,Youk, Ji Hyun,Son, Eun Ju,Kim, Jeong-Ah Springer International 2013 European radiology Vol.23 No.3
<P>To determine whether colour overlay features can be quantified by the standard deviation (SD) of the elasticity measured in shear-wave elastography (SWE) and to evaluate the diagnostic performance for breast masses.</P>
Gweon, Hye Mi,Cho, Nariya,Seo, Mirinae,Chu, A Jung,Moon, Woo Kyung Springer International 2014 EUROPEAN RADIOLOGY Vol.24 No.8
<P>To investigate whether kinetic features via magnetic resonance (MR)-computer-aided evaluation (CAE) can improve the positive predictive value (PPV) of morphological descriptors for suspicious lesions at screening breast MRI.</P>
Gweon, Hyung Keun,Lim, Sang Ho Institute of Pure and Applied Physics 2018 Japanese Journal of Applied Physics Vol. No.
<P>In Pt/Co/MgO trilayers, the contribution to the total perpendicular magnetic anisotropy from the bottom Pt/Co interface is significantly greater than that from the top Co/MgO interface at intermediate annealing temperatures. However, the relative contribution is reversed at the highest annealing temperature examined in this study, 400 degrees C. These results indicate that as the annealing temperature increases, the quality of the Pt/Co interface deteriorates owing to the intermixing of Pt and Co, whereas the quality of the Co/MgO interface improves as oxygen atoms, which are interpenetrated into the Co layer during the deposition of MgO, are diffused toward the Co/MgO interface. (C) 2018 The Japan Society of Applied Physics</P>
Gweon-Young Ryu,Jung-Hyu Shin Korean Chemical Society 1993 Bulletin of the Korean Chemical Society Vol.14 No.5
The discrete structure of substituted 9-benzonorbornenyl cation 3a and 3c was studied using the empirical ${\Delta}$J equation which was developed by Kelly and coworker$^5$. The ${\Delta}$J values of substituted 9-benzonorbornenyl cations were obtained from p-methyl-6,7-dimethyl benzonorbornen-9-yl (3a) and 9-methyl-6,7-dimethyl benzonorbonen-9-yl (3c) cations under stable ion conditions, and were compared with those of the corresponding ketone analog; these cations were generated by dissolving the corresponding carbinols in superacid at -120$^{\circ}$C and the nmr spectra taken at -60$^{\circ}$C~-90$^{\circ}$C. The ${\Delta}$J values are 8.7 Hz for the bridgehead carbons in cation 3c and 3.1 Hz for cation 3b. The ${\Delta}$J values at C5,8 in fused benzene ring are 14.3 Hz for cation 3c and 8.7 Hz for cation 3a. The excellent correlation of the ${\Delta}$J values with 1$^9F$ chemical shifts of p-fluorophenyl-6,7-dimethylbenzonorbornenyl cation (3d) indicate that ${\Delta}$J value is a reliable probe to charge density at adjacent cationic carbon. These NMR parameters strongly support that the symmetrically ${\pi}$-bridged nonclassical structure (type 2) of substituted 9-benzonorbornenyl cations in stable ion conditions.
Hematologic diseases: high risk of Clostridium difficile associated diarrhea.
Gweon, Tae-Geun,Choi, Myung-Gyu,Baeg, Myong Ki,Lim, Chul-Hyun,Park, Jae Myung,Lee, In Seok,Kim, Sang Woo,Lee, Dong-Gun,Park, Yeon Joon,Lee, Jong Wook WJG Press 2014 WORLD JOURNAL OF GASTROENTEROLOGY Vol.20 No.21
<P>To investigate the incidence and clinical outcome of Clostridium difficile (C. difficile) associated diarrhea (CDAD) in patients with hematologic disease.</P>
Prolongation of Neuromuscular Block of Succinylcholine Chloride by Ketamine in Rabbits
Gweon, Kyeong Deog,Chung, Woon Hyok CATHOLIC MEDICAL CENTER 1980 Bulletin of the Clinical Research Institute Vol.8 No.1
The effect of ketamine on the muscle relaxation produced by succinylcholine chloride was studied. The cause of prolongation of neuromuscular block of succinylcholine chloride by ketamine was discussed. The clinical dose of S.C.C. should be carefully adjusted, if ketamine would be administered.
Gweon, Tae-Geun,Kim, Jinsu,Lim, Chul-Hyun,Park, Jae Myung,Lee, Dong-Gun,Lee, In Seok,Cho, Young-Seok,Kim, Sang Woo,Choi, Myung-Gyu Hindawi Publishing Corporation 2016 Gastroenterology Research and Practice Vol.2016 No.-
<P><I>Background and Aims</I>. Fecal microbiota transplantation (FMT) is a highly effective treatment option for refractory<I> Clostridium difficile</I> infection (CDI). FMT may be challenging in patients with a low performance status, because of their poor medical condition. The aims of this study were to describe our experience treating patients in poor medical condition with refractory or severe complicated CDI using FMT via the upper GI tract route.<I> Methods</I>. This study was a retrospective review of seven elderly patients with refractory or severe complicated CDI and a poor medical condition who were treated with FMT through the upper GI tract route from May 2012 through August 2013. The outcomes studied included the cure rate of CDI and adverse events.<I> Results</I>. Of these seven patients who received FMT via the upper GI tract route, all patients were cured. During the 11-month follow-up period, CDI recurrence was observed in two patients; rescue FMT was performed in these patients, which led to a full cure. Vomiting was observed in two patients.<I> Conclusions</I>. FMT via the upper gastrointestinal tract route may be effective for the treatment of refractory or severe complicated CDI in patients with a low performance status. Physicians should be aware of adverse events, especially vomiting.</P>