Background: Endoscopic submucosal dissection (ESD) is technically one of the most complicated endoscopic procedures. Traction methods have been reported to be effective for ESD. A recent study revealed that the S-O clip allowed faster and safer colonic ESD. We assessed the efficacy and safety of gastric ESD with the S-O clip for gastric epithelial neoplasm.
Methods: We performed a retrospective cohort study of patients treated for gastric ESD using the S-O clip between September and November 2016 (SO group, n = 48). The subjects were matched with patients treated with conventional gastric ESD from September 2015 to August 2016 (control group, n = 258) at Sendai Kousei Hospital, a tertiary endoscopic center. The primary outcome was procedure time. Multivariate logistic regression and propensity score matching analyses were performed to reduce the effects of selection bias for potential confounding factors differences like age, sex, lesion location, lesion position, presence of ulcer scarring, resected specimen size, and operator experiences.
Results: Forty-eight pairs were created after propensity score matching. The mean procedure time (including the S-O clip attachment time) was significantly shorter in the SO group (47.2 ± 24.6 vs. 69.2 ± 67.1 min, p = 0.035). The mean clip attachment time was 4.4 (range 2-15) min. There were no significant differences in other treatment outcomes (en-bloc resection rate: 100 vs. 100%, p = 1.000; perforation rate: 0 vs. 2.1%, p = 0.315; delayed bleeding rate: 2.1 vs. 4.3%, p = 0.558).
Conclusions: The S-O clip improved the speed of gastric ESD by approximately 25%, without increasing adverse events.
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Errate: 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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The authors have identified an error in Table 5 concerning the dissection speed. It is currently listed as follows: S-O group 14.5±9.
View Article and Find Full Text PDFA 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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Article Synopsis
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- Results indicated that patients using the S-O clip had significantly shorter procedure times (44.4 minutes vs. 61.1 minutes) and higher complete resection rates (97.9% vs. 92.6%) compared to those without the clip.
- The findings suggest that the S-O clip enhances efficiency and outcomes in ESD, particularly benefiting less experienced endoscopists during procedures.
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