[1]张 科,王 杰,魏旭辉,等.热控电极与传统电极不可逆电穿孔消融小鼠肝脏对照研究[J].介入放射学杂志,2022,31(01):62-66.
 ZHANG Ke,WANG Jie,WEI Xuhui,et al.Thermal-control electrodes versus traditional electrodes for irreversible electroporation ablation of the mouse liver: a comparison study[J].journal interventional radiology,2022,31(01):62-66.
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热控电极与传统电极不可逆电穿孔消融小鼠肝脏对照研究()

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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
31
期数:
2022年01
页码:
62-66
栏目:
实验研究
出版日期:
2022-01-25

文章信息/Info

Title:
Thermal-control electrodes versus traditional electrodes for irreversible electroporation ablation of the mouse liver: a comparison study
作者:
张 科 王 杰 魏旭辉 刘中一
Author(s):
ZHANG Ke WANG Jie WEI Xuhui LIU Zhongyi.
Department of Interventional Radiology, Jiangsu Provincial People’s Hospital, Nanjing, Jiangsu Province 210029, China
关键词:
【关键词】 不可逆电穿孔 消融 热控电极 动物实验
文献标志码:
A
摘要:
【摘要】 目的 探讨热控电极与传统电极在不可逆电穿孔(IRE)消融小鼠肝脏组织中的异同。方法 实验组采用热控电极,对照组采用传统电极,分别在CT导引下对18只小鼠(每组9只)经皮肝穿刺释放相同剂量电脉冲。对比两组电极温度变化、消融速率、消融截面积、术后恢复情况、存活率、有效率及组织病理学改变。 结果 两组经皮肝穿刺均获成功(9/9)。小鼠接受20个电压600 V、场强1 800 V/cm、脉宽100 μs、脉冲频率1 Hz的电脉冲处理后,实验组消融用时(32.5±3.5) s,慢于对照组用时(20.0±0) s(P<0.05);电极温度上升(5.3±0.8)℃,低于对照组(18.6±2.3)℃(P<0.05)。术后两组小鼠均存活,消融有效均为7只。实验组有效消融面积(15.2±3.6) mm2,小于对照组(21.3±5.2) mm2(P<0.05)。有效消融区均出现细胞凋亡、消融边界呈细胞级过渡、消融区管腔结构保留完好等典型IRE病理表现。对照组苏木精-伊红(HE)染色出现脱染现象,实验组染色均匀。结论 在合理的消融参数下,CT引导经皮穿刺行小鼠肝脏IRE消融实验安全、微创、有效。在同等脉冲剂量条件下,热控电极消融效率不及传统电极,但能有效控制消融中的热效应,使消融更均一,实现真正意义上的非热消融。

参考文献/References:

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备注/Memo

备注/Memo:
(收稿日期:2021-03-19)
(本文编辑:边 佶)
更新日期/Last Update: 2022-01-12