Abstract:
BACKGROUND:There are many studies on submucosal injection materials, but their clinical use is restricted for various reasons. The objective of this study was to compare the feasibility and safety of injected EndoClot®SIS polysaccharide as a submucosal injection material (SFC) in ESD in the pig stomach to that of injected sigMAVisc™ or Eleview™. METHODS:Four pig stomachs were used for the ex vivo study. Eighteen pigs were used for the in vivo study. In the ex vivo study, four injections were made in the gastric submucosa to induce submucosal uplift and extend its duration. Tissue change was observed. The in vivo study was performed in 2 steps. First, 3 injections were made in the esophageal mucosa to induce submucosal uplift and extend its duration. Histological change was observed. Second, ESD was performed in the stomach by injecting EndoClot®SIS polysaccharide, sigMAVisc™, or Eleview™ (each, n = 6) as an SFC. The effects of these agents on wound healing were examined. We evaluated the efficacy and safety of endoscopic surgery after EndoClot®SIS polysaccharide injection. RESULTS:EndoClot®SIS polysaccharide produced a longer-lasting elevation with clearer margins than was achieved by sigMAVisc™, Eleview™, or 0.9% NaCl and thereby enabled precise ESD without complications, such as bleeding and perforation. No obvious histopathological damage was observed at the injection site on endoscopy and histology. CONCLUSION:Submucosally injected EndoClot®SIS polysaccharide increased the effective separation of the mucosa and submucosa and reduced surgical complications. Hence, EndoClot®SIS polysaccharide injection is a safe and effective submucosal injection material.
journal_name
Dig Dis Scijournal_title
Digestive diseases and sciencesauthors
Dai MS,Hu KW,Wu W,Yin GJ,Hu DMdoi
10.1007/s10620-019-05686-4subject
Has Abstractpub_date
2019-10-01 00:00:00pages
2955-2964issue
10eissn
0163-2116issn
1573-2568pii
10.1007/s10620-019-05686-4journal_volume
64pub_type
杂志文章abstract::Five healthy young adults developed an acute self-limiting ulcerative esophagitis. Two had definite evidence of herpes virus being present and a third one had appropriate changes in herpes simplex viral titer. All cases followed a characteristic and similar course consisting of sudden onset of odynophagia, multiple di...
journal_title:Digestive diseases and sciences
pub_type: 杂志文章
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journal_title:Digestive diseases and sciences
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