To compare the rate of ischemic events and intracranial hemorrhage in the long-term follow-up of patients with persistent and transient severe stenosis or occlusion of the internal carotid artery (ICA) due to spontaneous dissection (ICAD).
Department of Neurology, University Hospitals of Zürich (Drs. Kremer, Mosso, Georgiadis, Benninger, Baumgartner, Bern, Switzerland. christine.kremer@nos.usz.ch