[1]周 勇,黄新苗,赵先仙,等. 涤纶膜外套式镍钛合金室间隔缺损封堵器的物理性能测试[J].介入放射学杂志,2012,(10):839-842.
　ZHOU Yong,HUANG Xin- miao,ZHAO Xian-xian,et al. Physical property of polyester coated nitinol ventricular septal defect occluder[J].journal interventional radiology,2012,(10):839-842.
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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2012年10期
页码:
839-842
栏目:
实验研究
出版日期:
2012-10-29

文章信息/Info

Title:
 Physical property of polyester coated nitinol ventricular septal defect occluder
作者:
 周 勇;  黄新苗;  赵先仙;  秦永文;  吴 峰;  吕 慧;  董斐斐
Author(s):
 ZHOU Yong;  HUANG Xin- miao;  ZHAO Xian-xian;  QIN Yong- wen;  WU Feng;  LV Hui;  DONG Fei- fei.
 Department of Cardiology， Affiliated Changhai Hospital， Second Military Medical University， Shanghai 200433， China
关键词:
 ; 【关键词】 先天性心脏病;  室间隔缺损;  封堵器;  涤纶外套膜;  鞘管输送
文献标志码:
A
摘要:
 【摘要】 目的 评价涤纶膜外套式室间隔缺损封堵器（ventricular septal defect occluder，VSDO）的形变能力和经鞘管输送的可行性和安全性。方法 16只市售镍钛合金VSDO随机分成实验组（n = 8）和对照组（n = 8）。实验组8只制成外套式VSDO。测量两组封堵器的直径和体外输送鞘管的最小直径及形变能力；体外鞘管内反复回收-释放，观察外套式VSDO表面磨损情况；试管内生理盐水内反复回收-释放，观察两组封堵器沉渣数量。结果 实验组封堵器的直径较常规封堵器大0.5 mm，需要最小10 F鞘管才能输送，而对照组需8 F鞘管输送。在不同形变状态下，两组封堵器拉距-拉力间差异无统计学意义（P >0.05）。体外释放回收50次后，外套式VSDO表面在牵拉前后差异无统计学意义（P > 0.05）。生理盐水牵拉后，显微镜下观察两组封堵器间的离心液沉渣数差异无统计学意义（P > 0.05）。体外释放回收50次后，外套式VSDO表面在牵拉前后差异无统计学意义（P = 0.889）。结论 外套式VSDO各项物理参数与常规VSDO没有明显差别，置入鞘管的直径相对较粗；可以经导管输送，并通过介入方法对室间隔缺损模型犬进行实验性封堵。

参考文献/References:

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备注/Memo

备注/Memo:
 （收稿日期：2012-06-20）
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