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KMID : 1188320070010010027
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Gut and Liver
2007 Volume.1 No. 1 p.27 ~ p.32
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Effectiveness of Sodium Alginate as a Submucosal Injection Material for Endoscopic Mucosal Resection in Animal
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Eun Soo-Hoon
Cho Joo-Young
Jung In-Seop
Ko Bong-Min
Hong Su-Jin
Ryu Chang-Beom
Kim Jin-Oh
Jin So-Young
Lee Joon-Seong
Lee Moon Sung
Shim Chan-Sup
Kim Boo-Sung
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Abstract
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Background: Although various solutions are being tested for submucosal injection during endoscopic resection, ideal solution has not been established yet. We performed an animal study to evaluate the possibility of sodium alginate as an ideal submucosal injection solution for endoscopic mucosal resection (EMR).
Method:To compare the lesion-lifting properties of different solutions, injection was done to the submucosal layer of porcine stomach. Then the height of mucosal elevation was measured. In addition, EMR was performed after submucosal injection of sodium alginate solution in six dogs. Two were euthanized after 30 minutes of endoscopic observation while the others were euthanized after 1-4 weeks. Retrieved stomachs were examined microscopically.
Results: Sodium alginate and sodium hyaluronate solutions maintained longer elevation of the submucosal layer than other solutions. There was no significant difference in the height between two solutions. A clear separation of the mucosal layer from the proper muscle layer was achieved by injecting sodium alginate solution. Histological examination of EMR-induced artificial ulcers revealed no apparent tissue damage and showed normal healing process.
Conclusions: Sodium alginate solution creates a sufficient submucosal fluid cushion without apparent tissue damage. It can be considered as an effective submucosal injection material.
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KEYWORD
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Endoscopic resection, Injection, Sodium alginate
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