Embolization of Cerebral AVMs with Polylene Threads: Technical Procedure, Results and Complications
Embolization of Cerebral AVMs with Polylene Threads: Technical Procedure, Results and Complications
复制标题
聚苯乙烯线栓塞脑动静脉畸形：技术程序、结果和并发症
DOI：
--
复制
发表时间：
1994
期刊：
影响因子：
--
通讯作者：
P. Zampieri
中科院分区：
文献类型：
--
作者：
A. Benati;S. Perini;A. Pasqualin;M. Pecoraro;A. Maschio;L. Rosta;E. Piovan;P. Zampieri
为了确定可能的危险因素并评估聚合线作为颗粒栓塞剂治疗脑动静脉畸形的价值，我们回顾了我们使用这种方法的经验。目前，我们使用1.5-2 mm长的微栓子来封堵AVM病灶，将它们插入22号导管针(每根针5个碎片)，然后通过同轴微导管系统注入供血血管。当AVM流量降低时，通过同一微导管注入2-3厘米长的线条，完成馈线的关闭。由于栓塞后残留部分的薄壁小静脉受到残端压力的影响，这种双重栓塞对于避免动静脉动静脉内出血是很重要的，包括病灶和传入血管。
In order to determine possible risk factors and to assess the value of polylene threads as particulate embolic agents for the treatment of brain AVMs, we reviewed our experience with this procedure. At present we utilize 1.5–2 mm long micro-emboli to occlude AVM nidus; they are inserted into a 22 gauge catheter needle (5 fragments for each needle) and then injected into the feeding vessel through a coaxial micro-catheter system. When AVM flow-rate is reduced, 2–3 cm long threads are injected through the same micro-catheter to complete the closure of the feeder. This double embolization, both of the nidus and of the afferent vessel is important in order to avoid bleeding inside the AVM, as a consequence of the stump pressure effect on the thin walled venules of the remaining portion of the nidus after embolization.