[1]陈 旭,朱光宇,滕皋军,等. 胆管内照射支架应用的实验研究[J].介入放射学杂志,2012,(05):399-404.
 ,,et al. The implantation of irradiation stent in biliary duct: an experimental study in animals[J].journal interventional radiology,2012,(05):399-404.
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 胆管内照射支架应用的实验研究 ()

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

卷:
期数:
2012年05期
页码:
399-404
栏目:
实验研究
出版日期:
2012-05-30

文章信息/Info

Title:
 The implantation of irradiation stent in biliary duct: an experimental study in animals
作者:
 陈 旭 朱光宇 滕皋军 李国昭 何仕诚 冷德嵘 郭金和
Author(s):
 CHEN Xu ZHU Guangyu TENG Gaojun LI Guozhao HE Shicheng LEN Derong GUO Jinhe.   
 Department of Radiology, Zhongda Hospital, Southeast University, Nanjing 210009, China
关键词:
【关键词】 胆管 支架 近距离放疗 125I粒子
文献标志码:
A
摘要:
 【摘要】 目的 探讨实验犬胆管内照射支架置入的可行性和安全性。方法 选择比格犬36只,分成实验组27只和对照组9只。实验组按放置粒子剂量分为A、B和C亚组,每组9只。A组每颗粒子剂量为11.1 MBq,放置2颗;B组为22.2 MBq,放置2颗;C组为33.3 MBq,放置2颗。采用经皮胆囊穿刺胆总管支架置入法,手术前后定期复查血液生化指标,并于术后2、4、6个月,各组分别取实验犬各3只,摄肝区平片、CT扫描及ECT粒子显像等影像方法观察内照射支架。实验犬处死后取支架及周围组织标本,分别行肉眼、光镜及电镜观察。结果 36只实验犬胆总管内照射支架均释放到位,释放过程顺利,未出现放射粒子脱落现象。术后复查血象和免疫指标未见明显变化。ECT复查未发现放射源泄漏。解剖实验犬未发现胆管穿孔、出血等并发症。6个月时实验组粒子附近胆管壁增厚最明显,与对照组比较差异有统计学意义(P < 0.05),实验组的各亚组之间差异无统计学意义(P > 0.05)。实验组和对照组胆总管内径在观察期内均表现为随时间延长管腔逐渐变窄,6个月时各实验组管腔内径与对照组比较差异无统计学意义(P > 0.05)。6个月内实验组支架周围的肝脏、胰腺、门静脉及十二指肠与对照组肉眼、光镜所见基本一致。电镜下仅表现为胆管壁肌层增生、成纤维细胞增生等。结论 实验犬胆总管内照射支架置入术可行、安全,其对犬胆管及其周围的正常脏器组织造成损伤轻微。

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备注/Memo

备注/Memo:
 (收稿日期:20111120)
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