BACKGROUND: Vertebral artery compression by cervical osteophyte is a rare cause of vertebrobasilar @entity385 . This mechanism of @entity64 has been reported as the Bow @entity5684 defined by @entity9085 because of mechanical stenosis of the vertebral artery at the cervical level triggered by head movement. The most common treatment is surgical decompression. However, in most cases, a dominant vertebral artery is involved, and its dynamic extrinsic compression is demonstrated on angiography. CASE REPORT: We report a @entity1 with recurrent posterior circulation @entity1188 because of the compression of a nondominant vertebral artery by a cervical osteophyte. The dynamic angiography did not show any worsening of the @entity9085 by head movements but an irregularity of the vertebral artery with regard to the osteophyte compression, suggesting a direct artery wall injury. We concluded to an embolic mechanism through @entity715 formation from the artery wall injury at the stenosed site. Because neither surgical decompression nor stenting was deemed to be a relevant treatment option, endovascular coil embolization of the compressed vertebral artery was performed after a clamping test to check the efficiency of the collateral circulation. The procedure was a success. During the 12-month follow-up, the @entity1 did not have any recurrent @entity64 . CONCLUSIONS: In case of recurrent symptomatic extrinsic compression of a nondominant vertebral artery, endovascular embolization after a clamping test may be considered.

Endovascular Embolization of a Nondominant Vertebral Artery Compressed by an Osteophyte to Prevent Recurrence of XXXX .

@entity1 :: ('9606', 'Species') :: ['patient'] @entity64 :: ('MESH:D020521', 'Disease') :: ['stroke'] @entity9085 :: ('MESH:D014715', 'Disease') :: ['vertebral stenosis', 'vertebrobasilar insufficiency'] @entity1188 :: ('MESH:D007238', 'Disease') :: ['infarctions'] @entity715 :: ('MESH:D013927', 'Disease') :: ['thrombus'] @entity5684 :: ('MESH:D016532', 'Disease') :: ['Hunter syndrome'] @entity385 :: ('MESH:D002544', 'Disease') :: ['ischemic stroke']
@entity1188 :: (MESH:D007238,Disease) :: ['Vertebrobasilar Infarctions']
