Optimizing radiofrequency ablation parameters for perianal fistula treatment: A porcine model study

doi:10.4240/wjgs.v18.i5.119504

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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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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastrointest Surg. May 27, 2026; 18(5): 119504
Published online May 27, 2026. doi: 10.4240/wjgs.v18.i5.119504

Table 1 Absolute ablation-depth parameters across radiofrequency ablation treatment groups: Major(long) axis, minor(short) axis, and area-preserving equivalent radius (r_e)

Group		mean ± SD (mm)	95%CI
1	Long axis	1.0396 ± 0.4924	0.6611-1.4180
	Short axis	0.3602 ± 0.1793	0.2224-0.4981
	equivalent radius (r_e)	0.3006 ± 0.1310	0.1999-0.4013
2	Long axis	1.4168 ± 0.2584	1.1457-1.6880^a
	Short axis	0.5900 ± 0.1814	0.3997-0.7803^a
	equivalent radius (r_e)	0.4550 ± 0.0995	0.3506-0.5595^a
3	Long axis	0.8472 ± 0.3273	0.5037-1.1906
	Short axis	0.2708 ± 0.0997	0.1662-0.3754
	equivalent radius (r_e)	0.2377 ± 0.0823	0.1514-0.3240
4	Long axis	0.8218 ± 0.3913	0.4112-1.2324
	Short axis	0.1813 ± 0.0889	0.0880-0.2746
	equivalent radius (r_e)	0.1925 ± 0.0915	0.0965-0.2885

^aP < 0.05 significantly greater than groups 1, 3, and 4.

CI: Confidence interval.

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Citation: Yoon S, Ji WB, Um JW, Hong KD. Optimizing radiofrequency ablation parameters for perianal fistula treatment: A porcine model study. World J Gastrointest Surg 2026; 18(5): 119504
URL: https://www.wjgnet.com/1948-9366/full/v18/i5/119504.htm
DOI: https://dx.doi.org/10.4240/wjgs.v18.i5.119504

Yoon S, Ji WB, Um JW, Hong KD. Optimizing radiofrequency ablation parameters for perianal fistula treatment: A porcine model study. World J Gastrointest Surg 2026; 18(5): 119504 [DOI: 10.4240/wjgs.v18.i5.119504]

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