[1]江雄鹰,陈 栋,倪嘉延,等.2450 MHz水冷循环微波消融离体牛肝脏实验 ——参数设定对消融灶形态与方位的影响[J].介入放射学杂志,2016,(01):52-55.
　JIANG Xiong- ying,CHEN Dong,NI Jia- yan,et al.2450 MHz cooled- shaft microwave ablation of bovine liver in vitro： the effect of experimental parameter settings on the morphology and orientation of ablation lesions[J].journal interventional radiology,2016,(01):52-55.
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2450 MHz水冷循环微波消融离体牛肝脏实验 ——参数设定对消融灶形态与方位的影响 ()

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

卷:
期数:
2016年01期
页码:
52-55
栏目:
实验研究
出版日期:
2016-01-25

文章信息/Info

Title:
2450 MHz cooled- shaft microwave ablation of bovine liver in vitro： the effect of experimental parameter settings on the morphology and orientation of ablation lesions
作者:
江雄鹰;  陈 栋;  倪嘉延;  骆江红;  孙宏亮;  许林锋
Author(s):
JIANG Xiong- ying;  CHEN Dong;  NI Jia- yan;  LUO Jiang- hong;  SUN Hong- liang;  XU Lin- feng
Department of Interventional Radiology， Sun Yat- sen Memorial Hospital， Sun Yat- sen University， Guangzhou， Guangdong Province 510120， China
关键词:
【关键词】 微波消融;  参数设定;  类圆率;  针尖前冲径
文献标志码:
A
摘要:
【摘要】 目的 探讨微波消融（MWA）时间、输出功率对消融灶形态特点与方位的影响。方法 取新鲜离体牛肝脏8副，重5.2～6.5 kg，采用国产2 450 MHz水冷循环MWA系统对离体牛肝脏作消融。根据微波参数，将实验分为不同输出功率（40、60、80、100 W）组和不同消融时间（5、10、15、20 min）组，每项设定参数下重复作5次消融。消融后沿针道切开肝脏组织，测量消融灶的纵径（LD）、横径（TD）、针尖前冲径（PD），计算消融灶类圆率（SR）。结果 消融时间恒定条件下，随着微波输出功率增加，消融灶LD、TD逐渐增大（P均＜0.05），PD、SR并未增大（P均＞0.05）；输出功率恒定条件下，随着消融持续时间延长，消融灶LD、TD、PD逐渐增大（P均＜0.05），SR越接近于1（P＜0.05）。结论 增加微波输出功率能有效扩大消融灶LD、TD，但未增大PD、SR；延长消融持续时间既可扩大消融灶LD、TD、PD，还可获得类圆性更好的消融灶。

参考文献/References:

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备注/Memo

备注/Memo:
（收稿日期：２０１5-０8-17）
（本文编辑：边 佶）
更新日期/Last Update: 2016-01-22