Impact of carotid disease on posterior circulation in patients with vertebral artery occlusion ― a functional transcranial Doppler study

Almost one quarter of all ischemic strokes occur in posterior circulation. Approximately 20% of posterior circulation strokes evolve as a result of vertebral artery (VA) disease (1, 2). The most common causes of vertebral artery occlusion are development of atherosclerotic plaque and embolism, but d...

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