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 1 Patient’s backgrounds and demographic data before PSM.

		S-O group (n=141)	Control group (n=149)	P value
Age (years old)		73.3±7.6	71.8±8.2	0.0946
Sex (%)	Male	73.8 (n=104)	75.2 (n=112)	0.076
Sex (%)	Female	26.2 (n=37)	24.8 (n=37)	0.076
Body mass index (kg/m)		23.7±3.5	23.5±3.7	0.4659
Location of the neoplasms (%)	U	18.4 (n=26)	17.5 (n=26)
	M	37.6 (n=53)	20.8 (n=31)	0.003^*
	L	44.0 (n=62)	61.7 (n=92)
Circumferential position of the neoplasms (%)	Ant	12.1 (n=17)	10.7 (n=16)	0.376
	Post	17.0 (n=24)	25.5 (n=38)
	Less	46.8 (n=66)	42.3 (n=63)
	Gre	24.1 (n=34)	21.5 (n=32)
Endoscopists’ expertise (%)	Experts	75.9 (n=107)	81.9 (n=122)	0.211
Endoscopists’ expertise (%)	Trainees	24.1 (n=34)	18.1 (n=27)	0.211
Antithrombotic therapy (%)		19.9 (n=28)	25.5 (n=38)	0.252
Post ESD (%)		7.1 (n=10)	2.0 (n=3)	0.037^*
Data are shown a mean±standard deviation. PSM – propensity score matching. Location of the neoplasms: U – upper one-third of the stomach; M – middle one-third; L – lower one-third. Circumferential position of the neoplasms: Ant – anterior wall of the stomach; Post – posterior wall; Less– lesser curvature; Gre – greater curvature. ESD – endoscopic submucosal dissection. ^* value

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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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