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OBJECTIVE To estimate the safety and efficacy of submucosal tunneling endoscopic resection (STER) for upper gastrointestinal submucosal tumors (SMTs) originating from the muscularis propria layer. METHODS During October 2011 and May 2014, a total of 80 patients with SMTs underwent STER at our hospital. A submucosal tunnel was created from 3-5 cm above the(More)
Submucosal tunneling endoscopic resection (STER) has been proved to be safe and effective for removal of esophageal leiomyoma originating from the muscularis propria (MP) layer. However, there are still technical challenges for tumors ≥35 mm due to the limited space of the submucosal tunnel. The aim of the study was to estimate the safety and efficacy of(More)
Submucosal tunneling endoscopic resection (STER) is a new treatment technique for upper gastrointestinal submucosal tumors (SMT) originating from the muscularis propria (MP) layer. In contrast to conventional endoscopic resection, the new therapy can maintain the mucosal integrity of the digestive tract, which effectively prevents mediastinitis and(More)
OBJECTIVE To assess the safety and efficacy of carbon dioxide (CO(2)) in colonoscopy examination. METHODS We randomized 349 patients to undergo colonoscopy with insufflation of air (n=175) or CO(2) (n=174). At colonoscopy, p (ET CO(2)) was observed at 4 time points: before the exam, arrived caecum, back rectum, and after the exam. Patient's experience of(More)
AIM To analyze the changes of different Lactobacillus species in ulcerative colitis patients and to further assess the therapeutic effects of selected Lactobacillus strains on dextran sulfate sodium (DSS)-induced experimental colitis in BALB/c mice. METHODS Forty-five active ulcerative colitis (UC) patients and 45 population-based healthy controls were(More)
Both submucosal tunneling endoscopic resection (STER) and endoscopic full-thickness resection (EFTR) are effective method for treating gastric gastrointestinal stromal tumors (GISTs); however, little is known about the comparison between STER and EFTR. The aim of the study was to compare the safety and efficacy of STER and EFTR for treating gastric GIST. We(More)
BACKGROUND Peroral endoscopic myotomy (POEM) is a novel endoscopic technique for treatment of achalasia (AC) and has shown exciting results in adults. However, little is known about the safety and efficacy of POEM in children and adolescents. Herein we report our preliminary results of POEM for children and adolescents with AC. METHODS POEM was performed(More)
Dear Editor: Anastomotic benign stricture develops in 3–30 % of patients after surgery for rectal carcinoma. Although most of the strictures can be successfully managed with dilation, refractory stricture that does not respond to repeated dilations is difficult to be managed. Affected patients often suffer from constipation, abdominal pain, bloating, and(More)