Analysis of the efficacy of first hepatic portal blockade in laparoscopic microwave ablation treatment of hepatic vascular tumors

doi:10.4240/wjgs.v18.i4.113354

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World Journal of Gastrointestinal Surgery

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1948-9366

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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. Apr 27, 2026; 18(4): 113354
Published online Apr 27, 2026. doi: 10.4240/wjgs.v18.i4.113354

Table 3 Comparison of ablation efficiency during the surgery, median (interquartile range)

	Blocking (n = 87)	Non-blocking (n = 79)	Test statistic	P value
Duration of ablation (minute)	7.000 (6.0, 9.0)	11.000 (9.0, 15.0)	Z = -5.689	0.000^a
Number of ablation sessions	3.000 (3.0, 4.0)	4.000 (3.0, 5.0)	Z = -3.649	0.000^a
Bleeding at puncture site (mL)	30.000 (20.0, 50.0)	50.000 (20.0, 100.0)	Z = -3.087	0.002^a
Duration of surgery (minute)	120.000 (100.0, 150.0)	120.000 (90.0, 155.0)	Z = -0.762	0.446
Conversion to open surgery, n (%)			χ² = 12.974	0.000^a
Yes	0 (0.00)	11 (13.92)
No	87 (100.00)	68 (86.08)

^aP < 0.05 indicated a statistically significant difference.

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Citation: Meng TF, Wang S, Chen C, Deng SK. Analysis of the efficacy of first hepatic portal blockade in laparoscopic microwave ablation treatment of hepatic vascular tumors. World J Gastrointest Surg 2026; 18(4): 113354
URL: https://www.wjgnet.com/1948-9366/full/v18/i4/113354.htm
DOI: https://dx.doi.org/10.4240/wjgs.v18.i4.113354

Meng TF, Wang S, Chen C, Deng SK. Analysis of the efficacy of first hepatic portal blockade in laparoscopic microwave ablation treatment of hepatic vascular tumors. World J Gastrointest Surg 2026; 18(4): 113354 [DOI: 10.4240/wjgs.v18.i4.113354]

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