Project description:Background and study aims Prevention of bleeding and perforation during gastric endoscopic submucosal dissection (ESD) is important. Scissor-type knives can accurately grasp and incise the targeted tissue using electrosurgical currents, thereby eliminating unexpected incisions. The SB Knife GX, a scissor-type knife specialized for gastric ESD, was released in June 2016 in Japan. The aim of the present study was to evaluate the efficacy and safety of gastric ESD using the SB Knife GX. Patients and methods A total of 716 patients who underwent gastric ESD at Hiroshima University Hospital between July 2016 and December 2020 were retrospectively reviewed. From these, 671 patients underwent ESD using the IT Knife 2 (IT-2 group), while 45 underwent ESD using an SB Knife GX (SB-GX group). After propensity score matching, the procedure time, specimen size, en bloc and complete resection rates, and intraoperative bleeding, delayed bleeding, and perforation rates were evaluated. Results No significant differences were observed in mean procedure time (SB-GX group: 115 ± 165 min; IT-2 group: 95 ± 61 min; P = 0.82) and en bloc and complete resection rates between the two groups. Intraoperative bleeding rates were significantly lower in the SB-GX group than in the IT-2 group (18 % vs. 40 %; P = 0.01), and there were no differences in delayed bleeding (4 % vs. 4 %) or perforation (0 % vs. 4 %) between the two groups. Conclusions The SB Knife GX was proven to be useful for control of intraoperative bleeding during gastric ESD, although the procedure time tended to be longer.

| S-EPMC10072925 | biostudies-literature

Pocket-creation method in endoscopic submucosal dissection for a gastric carcinoma located on the pyloric ring.

Project description:Video 1Early gastric carcinoma across the pyloric ring was effectively treated by the pocket-creating method during endoscopic submucosal dissection.

| S-EPMC8186167 | biostudies-literature

Usefulness and safety of a scissors-type knife in endoscopic submucosal dissection for nonampullary duodenal epithelial tumors.

Project description: Not available

| S-EPMC6119203 | biostudies-literature

Endoscopic submucosal dissection with the combination of a scissor-type knife and novel traction method for colonic neoplasm involving a diverticulum.

Project description:Video 1A 35-mm laterally spreading tumor partially infiltrated the interior portion of the diverticular orifice in the ascending colon. Glycerol and hyaluronate solution were injected into the submucosa to maintain adequate mucosal elevation. Mucosal incision and submucosal dissection were performed using a DualKnife and insulation-tipped knife from the anal side; however, safe submucosal dissection was challenging with these knives because of severe fibrosis and abundant blood vessels in the diverticulum. Therefore, to improve the visibility of the submucosa, a scissor-type knife and a multiloop traction device was used to facilitate the submucosal dissection. Finally, en bloc resection was achieved in 117 minutes without adverse events. A part of the diverticular defect after endoscopic submucosal dissection was clipped to prevent delayed perforation.

| S-EPMC9832220 | biostudies-literature

Successful duodenal endoscopic submucosal dissection using multiple clip-and-thread traction for a large tumor located in the duodenal bulb.

Project description: Not available

| S-EPMC8058531 | biostudies-literature

Successful removal of duodenal submucosal tumors with endoscopic submucosal dissection.

Project description: Not available

| S-EPMC6119220 | biostudies-literature

Endoscopic resection of a giant fibrovascular esophageal polyp by use of a scissor-type knife.

Project description: Not available

| S-EPMC6831988 | biostudies-literature