A Retrospective Study of 290 Patients with Resectable Benign and Malignant Gastric Neoplasms to Compare Postoperative Outcomes of Endoscopic Resection with and without the Internal Traction Method Using a Spring-and-Loop with Clip (S-O Clip)

Yoichi Nakatsu; Makoto Furihata; Anna Fujiyama; Arisa Yuzawa; Mako Ushio; Shintaro Yano; Hiroki Okawa; Kumiko Noda; Shinjiro Nishi; Shingo Ogiwara; Tsuneo Kitamura; Naoto Sakamoto; Taro Osada

doi:10.12659/MSM.945341

22 August 2024 : Database Analysis

A Retrospective Study of 290 Patients with Resectable Benign and Malignant Gastric Neoplasms to Compare Postoperative Outcomes of Endoscopic Resection with and without the Internal Traction Method Using a Spring-and-Loop with Clip (S-O Clip)

Yoichi Nakatsu^1ABCDEF, Makoto Furihata^1ABCDEF*, Anna Fujiyama^1F, Arisa Yuzawa^1F, Mako Ushio^1F, Shintaro Yano^1B, Hiroki Okawa^1B, Kumiko Noda^1B, Shinjiro Nishi^1B, Shingo Ogiwara^1D, Tsuneo Kitamura^1D, Naoto Sakamoto^12ACDE, Taro Osada^1ABCDE

DOI: 10.12659/MSM.945341

Med Sci Monit 2024; 30:e945341

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Introduction Material and Methods Results S-O clip Device-Related Adverse Events Discussion Conclusions References

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Table 3 Clinical outcomes of ESD with or without the S-O clip before PSM.

	S-O group (n=141)	Control group (n=149)	P value
Procedure time (min)	44.4±23.9	61.1±40.9	0.0008^*
Dissection speed (mm/min)	25.1±17.4	14.7±9.3	<0.001^*
Gastric perforation (%)	0.7 (n=1)	0.7 (n=1)	0.964
Post-ESD bleeding (%)	2.8 (n=4)	5.4 (n=8)	0.279
Maximal serum CRP level (mg/dl)	2.13±2.6	1.47±1.7	0.0452^*
Decreased hemoglobin level (g/dl)	−0.58±0.8	−0.50±0.7	0.632
Length of hospital stay (days)	8.70±1.8	8.35±1.9	0.0302^*
Requirement of M-scope (%)	7.09 (n=10)	15.4 (n=23)	0.025^*
Requirement of snare (%)	1.4 (n=2)	12.8 (n=19)	<0.001^*
Fibrosis in submucosal layer (%)	22.0 (n=31)	18.1 (n=27)	0.410
Data are shown a mean±standard deviation. ESD – endoscopic submucosal dissection; PSM – propensity score matching; CRP – C-reactive protein; M-scope – multi-bending scope. ^* values

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A Retrospective Study of 290 Patients with Resectable Benign and Malignant Gastric Neoplasms to Compare Postoperative Outcomes of Endoscopic Resection with and without the Internal Traction Method Using a Spring-and-Loop with Clip (S-O Clip)

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