Abstract
Purpose
The outcomes of colorectal endoscopic submucosal dissection (ESD) in 15–19-mm tumors are unclear. This study compared the effectiveness and safety of colorectal ESD for 15–19-mm tumors and tumors exceeding that size.
Methods
From August 2018 to December 2020, 213 cases of colorectal tumors removed by colorectal ESD at a tertiary hospital were enrolled in this study. The cases were divided into two groups according to the pathologically measured size of the resected lesion: an intermediate group (15–19 mm, n = 62) and a large group (≥ 20 mm, n = 151). The en bloc resection rate, complete resection rate, and complications were investigated retrospectively.
Results
The en bloc resection rate was significantly higher in the intermediate than large group (100% vs. 94%, p = 0.049), and the mean total procedure time was shorter in the intermediate than large group (29.2 \(\pm\) 12.6 vs. 48.4 \(\pm\) 28.8 min, p < 0.001). However, the mean procedure speed was significantly lower in the intermediate than large group (0.25 \(\pm\) 0.10 vs. 0.28 \(\pm\) 0.11 cm2/min, p = 0.031). The complete resection rate, post-procedural bleeding, and perforation rate were not significantly different between the two groups. In multivariate analyses, the total procedure time and mean procedure speed were significantly associated with lesion size.
Conclusion
Colorectal ESD of 15–19-mm lesions is effective, and has a shorter procedure time and higher en bloc resection rate than the same procedure for larger lesions.
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Data availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Funding
This work was supported by the Soonchunhyang University Research Fund.
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Yunho Jung: study design and wrote the main manuscript text and prepared figures. Seong Woo Choi and Young Sin Cho: data collection. Young Hwangbo: statistical analysis. Seong Ran Jeon, Hyun Gun Kim, Bong Min Ko, and Jin-O Kim: reviewed the manuscript.
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Jung, Y., Hwangbo, Y., Cho, Y.S. et al. Is colorectal endoscopic submucosal dissection safe and effective for 15–19-mm tumors?. Int J Colorectal Dis 38, 206 (2023). https://doi.org/10.1007/s00384-023-04498-3
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DOI: https://doi.org/10.1007/s00384-023-04498-3