Tandem and intracranial lesions. The anatomy of the circle of Willis and other anastomoses. The aortic arch and proximal extracranial vessels. Increase fish oils. Platelet Inhibitors 1.
Most studies show less of an effect preventing strokes in women.
No study shows that ASA prevents a second stroke in patients who have had one. Generally used only in patients who have continued to have symptomatic disease despite ASA therapy. Must monitor CBC and LFTs. Has less gastric side effects. Risk reduction with surgery does not reach significance if only women are counted which is at least in part related to the higher surgical complication rate in women.