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AIM To evaluate clinical outcomes and risk factors for endoscopic perforation during endoscopic submucosal dissection (ESD) in a prospective study. METHODS We investigated the clinical outcomes and risk factors for the development of perforation in 98 consecutive gastric neoplasms undergoing ESD regarding. Demographic and clinical parameters including(More)
BACKGROUND Esophageal linear furrows, corrugated rings, and/or white exudates are often seen in patients with eosinophilic esophagitis (EoE); however, whether these are specific to EoE remains unclear. Endoscopic surveillance of these features was conducted to determine whether these represent esophageal eosinophilia, which is essential for the diagnosis of(More)
BACKGROUND The association between obesity and Barrett's esophagus (BE) in the Japanese population remains unclear. The prevalence of BE and its associated risk factors was examined. METHODS A cross-sectional study of 1581 consecutive individuals who underwent upper gastrointestinal endoscopy was conducted. The prevalence of endoscopically suspected BE(More)
BACKGROUND Although endoscopic submucosal dissection (ESD) is feasible as a treatment for early gastric cancer, it requires great skill to perform and may place patients at increased risk of a number of complications, including perforation and aspiration pneumonia. OBJECTIVE To investigate the incidence of "silent" free air without endoscopic perforation(More)
There have been no reports of Cronkhite-Canada syndrome (CCS) associated gastric cancer resected with endoscopy because it is very difficult to identify small cancers that are candidates for endoscopic resection. We report a case of CCS with gastric cancer treated with endoscopic submucosal dissection, and we evaluate the molecular pathological analysis of(More)
BACKGROUND AND AIM Scintigraphy is a useful noninvasive technique for assessment of gastric motility, especially emptying, but there is little knowledge of use of the technique to assess gastric accommodation. Therefore, to clarify the usefulness of scintigraphy as a technique for assessing gastric accommodation, we compared scintigraphy with barostat, the(More)
BACKGROUND The aim of this study was to examine the impact of age on esophageal sensation, and to determine whether esophageal mechanosensitivity and chemosensitivity are correlated in healthy Japanese subjects. METHODS To evaluate chemosensitivity, a catheter was inserted and placed 10 cm above the upper border of the lower esophageal sphincter (LES),(More)
BACKGROUND The endoscopic characteristics of gastric ulcers in patients who were using non-steroidal anti-inflammatory drugs (NSAIDs) or low-dose aspirin (LDA) and were infected with Helicobacter pylori remain unclear. We elucidated the endoscopic characteristics of gastric ulcers that occurred in the presence or absence of H. pylori infection and were(More)
BACKGROUND AND AIMS Proton pump inhibitors (PPIs) are generally used to prevent delayed bleeding after endoscopic submucosal dissection (ESD) and to heal the artificial ulcers. However, it remains controversial whether PPIs or histamine-2 receptor antagonists (H(2) RAs) are more effective in preventing delayed bleeding after ESD. We prospectively compared(More)