Abstract
We developed a rabbit saccular aneurysm model for coil embolization training. Elastase-induced aneurysms were created successfully in about 80% of the rabbits.
The aneurysms were usually broad in the neck and lengthy. At the 28th postoperative day, the aneurysms were about 1.5 times larger in both width and height than they had been at the 14th day. All aneurysms were successfully embolized with 18-sized electrically detachable (ED) platinum coils. After embolization, almost all aneurysms had a neck remnant. In conclusion, this model is useful not only for learning the technique of coil embolization but also for testing new embolic materials. The rabbit aneurysm model proved to be an efficacious training modality for endovascular coil embolization.
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