Aug 3, 2025 · A vertebral artery occlusion is a serious medical condition involving a blockage in one or both of the vertebral arteries. These arteries supply blood to significant parts of the brain.

Vertebral artery stenosis occurs when the arteries that supply the back portion of the brain become narrowed due to atherosclerosis, blood clots, or other vascular abnormalities.

Vertebrobasilar insufficiency (VBI) is reduced or stopped blood flow to the back of your brain. Hardening of your arteries (atherosclerosis) often causes this condition. VBI impacts your …

Vertebral artery stenosis (VAS) is the cause of approximately 20% of ischemic strokes in the posterior circulation. There are several causes of vertebral artery stenosis, including …

What is vertebrobasilar insufficiency? Vertebrobasilar insufficiency is a condition characterized by poor blood flow to the posterior (back) portion of the brain, which is fed by two vertebral …

Because vertebral artery stenosis can reduce or even block blood flow to your brain, it significantly increases your risk of developing a stroke or transient ischemic attack (TIA).

Vertebral artery stenosis is not rare. But, it is still hard to find high quality literature about it. Similar to carotid artery stenosis, vertebral artery stenosis may cause stroke, but the rate is likely low. …

Alternatively, hemodynamic ischemic symptoms may follow proximal subclavian artery occlusion and the syndrome of subclavian/vertebral artery steal. In later years of life, vertebral...

May 1, 2024 · Overview of non-aneurysmal intrinsic stenosing and occlusive pathologies of the vertebral artery. Detailed discussion of epidemiology, diagnosis and treatment options. …

Jun 27, 2024 · Occlusion or impairment of the vertebrobasilar blood supply affects the medulla, cerebellum, pons, midbrain, thalamus and occipital cortex. This results in a number of clinical …