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Cited 7 time in webofscience Cited 5 time in scopus
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Electrical characteristics of various submucosal injection fluids for endoscopic mucosal resection

Authors
Park, SanghoonChun, Hoon JaiKim, Chul YoungKim, Ju YoungJang, Jin SuKwon, Yong DaeKim, Doo RangKeum, BoraSeo, Yeon SeokKim, Yong SikJeen, Yoon TaeLee, Hong SikUm, Soon HoLee, Sang WooChoi, Jae HyunKim, Chang DuckRyu, Ho SangChang, Jong HyeonPak, James Jungho
Issue Date
Jun-2008
Publisher
SPRINGER
Keywords
gastric cancer; gastroscopes; electric impedance; intralesional injections
Citation
DIGESTIVE DISEASES AND SCIENCES, v.53, no.6, pp.1678 - 1682
Indexed
SCIE
SCOPUS
Journal Title
DIGESTIVE DISEASES AND SCIENCES
Volume
53
Number
6
Start Page
1678
End Page
1682
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/16971
DOI
10.1007/s10620-007-0051-7
ISSN
0163-2116
Abstract
Submucosal fluid injection, prerequisite to endoscopic mucosal resection, necessitates detailed evaluation for proper selection. We aimed to compare height of gastric tissues after submucosal injection, and to verify electrical implications of injectants. Porcine stomach pieces were cut out, and eight solutions were used: normal saline, 0.5% sodium hyaluronate (SH), 0.25% SH, hydroxypropyl methylcellulose, 10% glycerin, fibrinogen, 1% sodium alginate (SA), and 2.5% SA. Elevated heights were measured after submucosal injection of the eight fluids, and electrical impedance was measured for fluids plus a reference solution (0.01 N KCl) with a potentiostat electro-impedance spectrometry and an insulation-tipped knife. Resistivity was calculated thereafter. Normal saline and 10% glycerin solution showed greater height diminution. Resistivity were in the range of 80-110 Omega cm, except for 309.7 Omega cm for fibrinogen. Higher resistivity may improve performance of electrosurgery, probably by strengthening impedance and heat dissipation. Further studies are required to back up this basic experiment for clinical application.
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5. Others > Others(Medicine) > 1. Journal Articles
2. Clinical Science > Department of Gastroenterology and Hepatology > 1. Journal Articles

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Seo, Yeon Seok
Anam Hospital (Department of Gastroenterology and Hepatology, Anam Hospital)
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