Background Atherosclerotic intracranial arterial stenosis is an important cause of stroke that
is increasingly being treated with percutaneous transluminal angioplasty and stenting (PTAS…

PURPOSE To describe a technique for percutaneous vertebroplasty of osteoporotic vertebral
body compression fractures and to report early results of its use. METHODS The technique …

OBJECTIVE To identify and define clinical associations and radiologic findings of posterior
reversible encephalopathy syndrome (PRES). PATIENTS AND METHODS Patients …

Background— Antithrombotic therapy for intracranial arterial stenosis was recently evaluated
in the Warfarin versus Aspirin for Symptomatic Intracranial Disease (WASID) trial. A …

Background Early results of the Stenting and Aggressive Medical Management for Preventing
Recurrent stroke in Intracranial Stenosis trial showed that, by 30 days, 33 (14·7%) of 224 …

Background and Purpose— Flow diverters are important tools in the treatment of intracranial
aneurysms. However, their impact on aneurysmal occlusion rates, morbidity, mortality, and …

Background and Purpose—A well-defined complication rate of cerebral angiography in
patients with subarachnoid hemorrhage (SAH), cerebral aneurysm, and arteriovenous …

Background and Purpose— We report a preclinical study of a new endoluminal device for
aneurysm occlusion to test the hypothesis that the device, even without use of intrasaccular …

Objective: Stroke risk due to intracranial atherosclerosis increases with degree of arterial
stenosis. We evaluated the previously unexplored role of collaterals in modifying stroke risk in …

The introduction of flow diverters for treatment of intracranial aneurysms represents a major
paradigm shift in the treatment of these lesions. The theoretical hallmark of flow diverters is …