Journal Article De novo vertebral artery dissecting aneurysm after internal trapping of the contralateral vertebral artery

Kidani, Naoya  ,  Sugiu, Kenji  ,  Hishikawa, Tomohito  ,  Hiramatsu, Masafumi  ,  Haruma, Jun  ,  Nishihiro, Shingo  ,  Takahashi, Yu  ,  Date, Isao

159 ( 7 )  , pp.1329 - 1333 , 2017-07 , Springer
ISSN:00016268
NCID:AA0050885X
Description
We present the case of a de novo vertebral artery dissecting aneurysm (VADA) after endovascular trapping of a ruptured VADA on the contralateral side. The first ruptured VADA involved the posterior inferior cerebellar artery, which was successfully treated by endovascular internal trapping using a stent. A follow-up study at 3 months revealed a de novo VADA on the contralateral side. The second VADA was successfully embolized using coils while normal arterial flow in the vertebral artery was preserved using a stent. Increased hemodynamic stress may cause the development of a de novo VADA on the contralateral side.

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