Assistant skill in gastric endoscopic submucosal dissection using a clutch cutter

doi:10.4240/wjgs.v13.i2.116

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Feb 27, 2021 (publication date) through Apr 26, 2024

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World Journal of Gastrointestinal Surgery

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1948-9366

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastrointest Surg. Feb 27, 2021; 13(2): 116-126
Published online Feb 27, 2021. doi: 10.4240/wjgs.v13.i2.116

Table 2 Treatment outcomes of the endoscopic submucosal dissection with a clutch cutter

	Expert (ESD-C-E), n = 16	Non-expert, (ESD-C-NE), n = 16	P value
En bloc resection, n (%)	16 (100)	16 (100)	-
Complete procedure, n (%)	16 (100)	15 (93.8)	1
Perforation, n (%)	0 (0)	0 (0)	-
Total procedure time, min
mean ± SD	13.90 ± 4.49	24.31 ± 11.24	0.001^a
Median (IQR)	12.93 (10.79-15.33)	21.90 (18.50-26.36)
Incision time, min			< 0.001^a
Median (IQR)	7.04 (5.57-8.28)	11.70 (10.75-13.23)
Dissection time, min			0.07
Median (IQR)	3.20 (2.18-5.17)	5.09 (3.50-9.91)
Circumferential length, mm			0.88
Median (IQR)	74.85 (68.62-93.11)	75.46 (66.73-86.59)
Resected area, mm²			0.78
Median (IQR)	437.50 (324.75-688.50)	451.00 (304.00-589.00)
Incision speed, mm/min			0.001^a
Median (IQR)	11.24 (9.61-12.94)	6.72 (5.63-9.13)
Dissection speed, mm²/min			0.019^a
Median (IQR)	137.30 (120.17-167.72)	75.66 (52.57-135.88)

^aSignificant value. P-value was calculated using Fisher’s exact test and the Mann-Whitney U test. ESD: Endoscopic submucosal dissection; ESD-C: ESD using a clutch cutter; ESD-C-E: ESD-C assisted by an expert; ESD-C-NE: ESD-C assisted by a non-expert; IQR: Interquartile range; SD: Standard deviation.

Citation: Esaki M, Horii T, Ichijima R, Wada M, Sakisaka S, Abe S, Tomoeda N, Kitagawa Y, Nishioka K, Minoda Y, Tsuruta S, Suzuki S, Akiho H, Ihara E, Ogawa Y, Gotoda T. Assistant skill in gastric endoscopic submucosal dissection using a clutch cutter. World J Gastrointest Surg 2021; 13(2): 116-126
URL: https://www.wjgnet.com/1948-9366/full/v13/i2/116.htm
DOI: https://dx.doi.org/10.4240/wjgs.v13.i2.116