Treatment of acute intracranial vertebrobasilar dissection with angioplasty and stent placement: report of two cases.

Acute vertebrobasilar dissection may cause subarachnoid hemorrhage by rupturing through the adventia or cerebral infarct by progressive occlusion of the true lumen. Recent reports on the endovascular management of this condition have focused on treatment of pseudoaneurysms. We report two cases where angioplasty or stent placement was successfully used to improve compromised blood flow secondary to vertebrobasilar dissection.