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Gweon, Tae-Geun,Kim, Sang Woo,Noh, Yong-Sun,Hwang, Seawon,Kim, Na-Young,Lee, Yoonbum,Lee, Soon-Wook,Lee, Sung Won,Lee, Jong Yul,Lim, Chul-Hyun,Hun Kim, Hyung,Kim, Jin Su,Kyung Cho, Yu,Myung Park, Jae Wolters Kluwer Health 2015 Medicine Vol.94 No.13
<P><B>Abstract</B></P><P>For afternoon colonoscopy, same-day administration of sodium picosulfate, magnesium oxide, and citric acid (PM/Ca) is recommended. However, few studies have evaluated the bowel-cleansing efficacy and safety of this regimen. The aim of this study was to compare the bowel-cleansing efficacy, side effects, and patient's tolerability of a same-day split administration of PM/Ca with polyethylene glycol (PEG) for afternoon colonoscopy.</P><P>Patients were randomly assigned to a PM/Ca group or a PEG group. The PM/Ca group consumed 1 sachet of PM/Ca at 06:00 and 1 sachet of PM/Ca 4 hours before the colonoscopy. They also took 2 tablets of bisacodyl before sleep on the night before. The PEG group consumed 2 L of PEG at 06:00 and 2 L of PEG 4 hours before the colonoscopy. All subjects were instructed to finish the bowel cleanser or fluid at least 2 hours before colonoscopy. All colonoscopic examinations were performed in the afternoon on the same day. The bowel-cleansing efficacy was scored using 2 scales: the Ottawa Bowel Preparation Scale (OBPS) and the Aronchick scale. Ease of using the bowel cleanser was rated from 1 (very easy) to 5 (very difficult).</P><P>Two hundred nine patients underwent colonoscopy. The bowel-cleansing scores by OBPS did not differ between groups (5.0 vs 4.9, <I>P</I> = 0.63). Ease of using the bowel cleanser was superior in the PM/Ca group (<I>P</I> < 0.01).</P><P>The cleansing efficacy of PM/Ca administered on the day of colonoscopy is comparable to that of PEG. Patients prefer PM/Ca.</P>
Gweon,Seong-Cheol 啓明大學 産業經營硏究所 1976 經營經濟 Vol.7 No.1
A few illustrations of multinational corporation could be found seventy-five or one hundred years ago, but the flowering of their particular form of enterprise did not occur until, after World War II, the increasing trend of foreign trade was revealed (see Table I-1).
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>
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>
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>
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.