Journal Article Gastric endoscopic submucosal dissection using sodium carboxymethylcellulose as a new injection substance

Hikichi, Takuto  ,  Yamasaki, Masahiro  ,  Watanabe, Ko  ,  Nakamura, Jun  ,  Sato, Masaki  ,  Takagi, Tadayuki  ,  Suzuki, Rei  ,  Sugimoto, Mitsuru  ,  Kikuchi, Hitomi  ,  Konno, Naoki  ,  Waragai, Yuichi  ,  Asama, Hiroyuki  ,  Takasumi, Mika  ,  Ejiri, Yutaka  ,  Watanabe, Hiroshi  ,  Ohira, Hiromasa  ,  Obara, Katsutoshi

62 ( 1 )  , pp.43 - 50 , 2016 , The Fukushima Society of Medical Science
ISSN:0016-25902185-4610
NCID:AA0065246X
Description
AIM: To investigate the feasibility of endoscopic submucosal dissection (ESD) using sodium carboxymethylcellulose (SCMC) for gastric cancer. METHODS: During October 2011 through April 2013, 98 lesions from 98 patients who underwent ESD using SCMC (ESD-SCMC) for early gastric cancer were enrolled in this study. Two endoscopists, who had each performed fewer than 30 ESD procedures (less-experienced ESD physicians), performed ESD-SCMC under the supervision of two experts. The primary outcome was the en bloc resection rate. Secondary outcomes included the complete resection rate, the procedural time, the bleeding rate after SCMC injection, and complications. Patient characteristics, time necessary for hemostasis after SCMC injection, rate of treatment completion by less-experienced ESD physicians alone, and the effects of SCMC during ESD and on resected specimens were also evaluated. RESULTS: The en bloc resection rate was 100%. Among these resections, 87.8% of the cases were completed by a less-experienced ESD physician alone. The complete resection rate was 98.0%. The mean total procedural time was 75.4 min. The mean incidence of intraoperative bleeding following SCMC local injection was 1.7 times. No bleeding was observed after SCMC injection in 29.6% of cases (29/98). Five complications occurred: one case of microperforation (1.0%) and four cases of postoperative bleeding (4.0%). SCMC remained in the submucosa. The submucosa was readily manipulated when the deep submucosa was dissected, even after placing the specimen on a slide. CONCLUSION: ESD-SCMC is feasible for the resection of early gastric cancer.
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