Some Conclusive Considerations on the Pathogenesis of TIAs and Infarctions

In the majority of cases TIAs are due to emboli originating from atherosclerotic plaques and/or thrombi located at the carotid bifurcation. The embolization leads to a temporary occlusion of ophthalmic branches and/or of one or more intracranial branches generally in the territory of the middle cerebral artery.