The vertebral-basilar system supplies the brain-stem, cerebellum and temporal and occipital lobes 2 ().It begins as the vertebral artery, which is the first branch of the subclavian artery.

Figure 1. Anatomy of the vertebral artery. C2 represents the second cervical vertebrae, C6 is the sixth cervical vertebrae. V1, V2, V3 and V4 are the anatomic segments of the vertebral artery.

In conclusion, stenting of vertebral artery stenosis appears to be a promising technique for the treatment of symptomatic vertebrobasilar disease. Although the approach is less invasive in ...