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BACKGROUND Endoscopic sphincterotomy (EST) to remove bile-duct stones is the most frequently used endoscopic technique. Few reports exist regarding application of large-balloon dilation (LBD) after EST for treatment of patients with bile-duct stones. OBJECTIVE To compare the effect of EST plus LBD with that of EST alone. DESIGN A prospective randomized(More)
BACKGROUND Although endoscopic stent placement is now generally accepted as a palliative method of treatment in unresectable hilar cholangiocarcinoma, exclusively endoscopic placement of bilateral metal stents has been considered very difficult and complex. OBJECTIVE To evaluate the technical and clinical efficacy of endoscopic placement of dual, newly(More)
BACKGROUND/AIMS Infliximab is currently used for the treatment of moderate-to-severe ulcerative colitis (UC) with an inadequate response to conventional agents. The efficacy and safety of infliximab in Korean patients with UC were assessed. METHODS This was a retrospective multicenter study including all adult patients who received at least one infliximab(More)
BACKGROUND AND AIMS Adequate bowel cleansing is essential for a high-quality, effective, and safe colonoscopy. The aims of this study were to compare the efficacy and tolerability of split-dose polyethylene glycol with aqueous sodium phosphate for outpatients who underwent scheduled colonoscopy. METHODS In this prospective trial, 207 outpatients (aged(More)
Russell body gastritis was first defined in 1998, but not many cases have been reported since then. The exact causes and process of this condition are unknown yet; however, considering the reported cases, it has been highly suggested to have correlation with Helicobacter pylori infection. Russell body gastritis has a non-specific clinical presentation of(More)
BACKGROUND/AIMS Currently, a split-dose of polyethylene glycol (PEG) is the mainstay of bowel preparation due to its tolerability, bowel-cleansing action, and safety. However, bowel preparation with PEG is suboptimal because residual fluid reduces the polyp detection rate and requires a more thorough colon inspection. The aim of our study was to demonstrate(More)
BACKGROUND Several factors influence bowel preparation quality. Recent studies have indicated that the time interval between bowel preparation and the start of colonoscopy is also important in determining bowel preparation quality. OBJECTIVE To evaluate the influence of the preparation-to-colonoscopy (PC) interval (the interval of time between the last(More)
BACKGROUND/AIMS For decades, thiopurines have been the mainstay of inflammatory bowel disease (IBD) treatment and will play an important role in the future. However, complex metabolism and various side effects limit the use of these potent drugs in clinical practice. The Korean Association for the Study of Intestinal Diseases developed a set of consensus(More)
BACKGROUND/AIMS The aims of this study were to compare the bowel-cleansing efficacy, patient affinity for the preparation solution, and mucosal injury between a split dose of polyethylene glycol (SD-PEG) and low-volume PEG plus ascorbic acid (LV-PEG+Asc) in outpatient scheduled colonoscopies. METHODS Of the 319 patients, 160 were enrolled for SDPEG, and(More)
BACKGROUND/AIMS Split-dose polyethylene glycol (PEG) is a standard bowel preparation regimen for colonoscopy, but the large volume is burdensome to ingest and the night dose causes sleep disturbance. This study was performed to evaluate the efficacy and tolerability of a bowel preparation protocol using low-volume morning-only PEG with specially designed(More)