Short-type single-balloon enteroscope (short SBE)-assisted endoscopic retrograde cholangiopancreatography (ERCP) is a promising alternative treatment in postsurgical altered anatomy. However, it is technically demanding, and factors affecting its technical difficulty have not yet been clarified. This study aimed to examine the procedural success rate of short SBE-assisted ERCP and the potential factors affecting procedural failure. A total of 117 consecutive patients (203 procedures) with surgically altered anatomy underwent ERCP using prototype short SBEs. The procedural success rate of short SBE-assisted ERCP and the potential factors affecting procedural failure were examined retrospectively. The enteroscopy success rate and procedural success rate were 92.6 % (95 % confidence interval [CI] 88.1 % - 95.8 %) and 81.8 % (95 %CI 75.8 % - 86.8 %), respectively. Multivariate analyses indicated that pancreatic indication (odds ratio [OR] 4.35, 95 %CI 1.67 - 11.4), first ERCP attempt (OR 6.03, 95 %CI 2.17 - 16.8), and no transparent hood (OR 4.61, 95 %CI 1.48 - 14.3) were potential risk factors for procedural failure. Short SBE-assisted ERCP was effective in postsurgical altered anatomy. This large case series suggested the potential factors affecting procedural failure.
AIMTo define clinical criteria to differentiate eosinophilic gastrointestinal disorder (EoGD) in the esophagus.METHODSOur criteria were defined based on the analyses of the clinical presentation of eosinophilic esophagitis (EoE), subepithelial eosinophilic esophagitis (sEoE) and eosinophilic esophageal myositis (EoEM), identified by endoscopy, manometry and serum immunoglobulin E levels (s-IgE), in combination with histological and polymerase chain reaction analyses on esophageal tissue samples.RESULTSIn five patients with EoE, endoscopy revealed longitudinal furrows and white plaques in all, and fixed rings in two. In one patient with sEoE and four with EoEM, endoscopy showed luminal compression only. Using manometry, failed peristalsis was observed in patients with EoE and sEoE with some variation, while EoEM was associated with hypercontractile or hypertensive peristalsis, with elevated s-IgE. Histology revealed the following eosinophils per high-power field values. EoE = 41.4 ± 7.9 in the epithelium and 2.3 ± 1.5 in the subepithelium; sEoE = 3 in the epithelium and 35 in the subepithelium (conventional biopsy); EoEM = none in the epithelium, 10.7 ± 11.7 in the subepithelium (conventional biopsy or endoscopic mucosal resection) and 46.8 ± 16.5 in the muscularis propria (peroral esophageal muscle biopsy). Presence of dilated epithelial intercellular space and downward papillae elongation were specific to EoE. Eotaxin-3, IL-5 and IL-13 were overexpressed in EoE.CONCLUSIONBased on clinical and histological data, we identified criteria, which differentiated between EoE, sEoE and EoEM, and reflected a different pathogenesis between these esophageal EoGDs.
The long-term outcome after ESD for MM/SM1 ESCC was favorable with additional prophylactic therapy and strict adherence to follow-up. These results indicate that our management decision based on LVI is a valid approach and that ESD can be offered as a therapeutic option to MM/SM1 ESCCs.
The incidence of delayed hemorrhage after EST was 2.7%. Hemodialysis, heparin replacement, and early hemorrhage were the risk factors for delayed hemorrhage.
Bench-top testing showed that suction force increases with a larger gauge needle and larger aspiration volume. The slow pull method produces a very weak suction force. The time to reach the maximum negative pressure was longest in the 25-gauge needle.
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