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Long-term Outcomes of Undifferentiated-Type Early Gastric Cancer with Positive Horizontal Margins after Endoscopic Resection

Yang HJ, Lee WS, Lee BE, Ahn JY, Jang JY, Lim JH, Nam SY, Kim JH, Min BH, Joo MK, Park JM, Shin WG, Lee HL, Gweon TG, Park MI, Choi J, Tae CH, Kim YI, Choi IJ

Background/Aims: This study examined the long-term outcomes of undifferentiated-type early gastric cancer (UD EGC) with positive horizontal margins (HMs) after endoscopic resection (ER) and compared them between additional surgery and...
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Multidisciplinary and Multisociety Practice Guideline on Reprocessing Flexible Gastrointestinal Endoscopes and Endoscopic Accessories

Cheung DY, Jang BI, Kim SW, Kim JH, Kim HK, Shin JE, Yoon WJ, Lee YK, Chung KH, Cho SJ, Shin HP, Cho SY, Shin WG, Choi KD, Kim BW, Kwon JG, Yang HC, Gweon TG, Kim HG, Ahn DW, Cho KB, Kim SH, Hwang KH, Im HH

The area of endoscopic application has been continuously expanded since its introduction in the last century and the frequency of its use also increased stiffly in the last decades. Because...
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Accessories to Enhance Adenoma Detection Rates: Is the Endocuff Better than the Conventional Cap for Trainees?

Gweon TG, Kang SB

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Predictive Model of Nonneoplastic Pathology after Endoscopic Resection of Gastric Epithelial Neoplasia

Gweon TG, Kim BW, Kim JS, Park SM, Ji JS, Lee BI

Background/Aims: The rate of nonneoplastic pathology (NNP) after endoscopic resection (ER) of gastric epithelial neoplasia (GEN) has been reported to be 3%–7%. However, to date, the associations of pretreatment characteristics...
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Evaluating Diagnostic Tests for Helicobacter pylori Infection Without a Reference Standard: Use of Latent Class Analysis

Jekarl DW, Choi H, Kim JY, Lee S, Gweon TG, Lee HK, Kim Y

Evaluation of diagnostic tests requires reference standards, which are often unavailable. Latent class analysis (LCA) can be used to evaluate diagnostic tests without reference standards, using a combination of observed...
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Delayed Duodenal Perforation of an Endoscopic Mucosal Resection-Induced Ulcer due to a Foreign Body

Gweon TG, Huh CW, Kim BW

No abstract available.
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An Economic Modeling Study of Helicobacter pylori Eradication: Comparison of Dual Priming Oligonucleotide-Based Multiplex Polymerase Chain Reaction and Empirical Treatment

Gweon TG, Kim JS, Kim BW

BACKGROUND/AIMS: Dual priming oligonucleotide-based multiplex polymerase chain reaction (DPO-based PCR) can detect the presence of clarithromycin resistance without culture. The aim of this study was to investigate the cost-effectiveness of...
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Comprehensive review of outcomes of endoscopic treatment of gastrointestinal bleeding

Gweon TG, Kim J

Gastrointestinal bleeding (GIB) is a major cause of hospital admission and death. Endoscopic treatment is an important therapeutic modality for the treatment of GIB, and can involve injection therapy, thermal...
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Additive Effects of Rebamipide Plus Proton Pump Inhibitors on the Expression of Tight Junction Proteins in a Rat Model of Gastro-Esophageal Reflux Disease

Gweon TG, Park JH, Kim BW, Choi YK, Kim JS, Park SM, Kim CW, Kim HG, Chung JW, Incheon and Western Kyonggi Gastrointestinal Study Group

BACKGROUND/AIMS: The aim of this study was to investigate the effects of rebamipide on tight junction proteins in the esophageal mucosa in a rat model of gastroesophageal reflux disease (GERD). METHODS:...
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A Case of Toxic Megacolon Caused by Clostridium difficile Infection and Treated with Fecal Microbiota Transplantation

Gweon TG, Lee KJ, Kang D, Park SS, Kim KH, Seong H, Ban TH, Moon SJ, Kim JS, Kim SW

Toxic megacolon is a rare clinical complication of fulminant Clostridium difficile infection. The mortality rate of fulminant C. difficile infection is reported to be as high as 50%. Fecal microbiota...
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A Case of Celiac Disease

Gweon TG, Lim CH, Byeon SW, Baeg MK, Lee JY, Moon SJ, Kim JS, Choi MG

Celiac disease is a chronic absorptive disorder of the small intestine caused by gluten. The prevalence rate of celiac disease is 1% in Western countries. But, it is rare in...
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Two Cases of Refractory Pseudomembranous Colitis that Healed Following Fecal Microbiota Transplantation

Gweon TG, Choi MG, Lee SK, Ha JH, Kim EY, Go BS, Kim SW

The incidence, recurrence, and mortality of Clostridium difficile infection are increasing and the standard therapy is oral metronidazole or vancomycin. Since treatment failure with standard therapy is increasing, an alternative...
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Effects of Percutaneous Coronary Intervention on Depressive Symptoms in Chronic Stable Angina Patients

Park MW, Kim JH, Her SH, Cho JS, Choi MS, Gweon TG, Ju IN, Baek JY, Seung KB, Go H

  • KMID: 2316192
  • Psychiatry Investig.
  • 2012 Sep;9(3):252-256.
OBJECTIVE: Depression is present in 1 of 5 outpatients with coronary artery disease (CAD), and a well-documented risk factor for recurrent cardiac events and mortality. We examined the impact of...
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A Case of Left Ventricular Pseudoaneurysm in the Left Atrioventricular Groove after Mitral Valve Replacement

Jung HS, Chung WB, Yang KS, Yang HK, Gweon TG, Lee GJ, Hong JH, Jung JI, Song H, Youn HJ

Left ventricle-coronary sinus fistula and left ventricular pseudoaneurysm are unusual and frightening complications after mitral valve replacement. A 27-year-old female patient underwent mitral valve replacement 5 years previously and trans-thoracic...
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A Case of Necrotizing Fasciitis and Severe Sepsis Complicated by Emphysematous Gastritis

Gweon TG, Shin AY, Bae SH, Lee JM, Lee SN, Jung MH, Ju YB, Kim TH, Park IJ, Yoo JH

We report a case of necrotizing fasciitis and severe sepsis complicated by emphysematous gastritis. The patient initially presented with sepsis due to extensive necrotizing fasciitis. Although he recovered from severe...
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A large left atrial myxoma with a feeding vessel from the right coronary artery

Kim HK, Lee DH, Gweon TG, Song MA, Baeg MK, Kim JH, Jeon HK

  • KMID: 2259210
  • Korean J Med.
  • 2010 Jan;78(1):104-108.
A 55-year-old woman was referred to our hospital with a 6-month history of dyspnea (NYHA II-III). The physical examination revealed a grade 2/6 "tumor plop," i.e., a low-pitched sound heard...
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A Case of Systemic Lupus Erythematosus and Abdominal Aorta Thrombosis Associated with Protein C and S Deficiency

Song JH, Gweon TG, Min JK

  • KMID: 2334882
  • J Korean Rheum Assoc.
  • 2009 Dec;16(4):306-311.
Thrombosis is a well known manifestation in patients with systemic lupus erythematosus, along with lupus anticoagulant, anticardiolipin antibody and anti beta2-glycoprotein I. We describe here a 44-year-old female with an...
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