نتایج جستجو برای: posterior circulation
تعداد نتایج: 201066 فیلتر نتایج به سال:
The embolization of missiles to the intracranial circulation is a rare event. We describe here a case of a man shot by a shotgun, presenting with a posterior fossa stroke and occlusion of the superior cerebellar artery by a metallic pellet. To our knowledge, this is the third case of posterior fossa circulation pellet emboli.
BACKGROUND AND PURPOSE Aggressive treatment of posterior-circulation occlusions is important due to the high rates of morbidity and mortality associated with these infarctions. A large administrative database was evaluated to determine the outcomes of mechanical thrombectomy and intravenous tissue plasminogen activator (IV-tPA) for the treatment of posterior-circulation (vertebrobasilar) stroke...
BACKGROUND AND PURPOSE The published results of treating internal carotid artery aneurysms with the PED do not necessarily apply to its use in the posterior circulation because disabling brain stem infarcts can be caused by occlusion of a single perforator. In this multicenter study, we assessed the safety of PED placement in the posterior circulation. MATERIALS AND METHODS A prospective case...
Strokes in the distribution of the posterior circulation may present with vertigo, imbalance, and nystagmus. Although the vertigo due to a posterior circulation stroke is usually associated with other neurologic symptoms or signs, small infarcts involving the cerebellum or brainstem can develop vertigo without other localizing symptoms. Approximately 11% of the patients with an isolated cerebel...
PURPOSE Most intracranial dissecting aneurysms involve the posterior circulation, and the intradural segment of the vertebral artery is affected in majority of these. The aim of this report is to summarize the results of endovascular treatment in patients with ruptured dissecting aneurysms of the non-vertebral posterior circulation. MATERIALS AND METHODS During the past six years, the medical...
BACKGROUND AND INTRODUCTION Patients presenting with posterior circulation acute ischemic events are occasionally noted to have occlusion of bilateral vertebral arteries with basilar artery blood flow entirely dependent from the anterior circulation. There is limited data about prognosis of such patients in literature. METHODS Patients with acute posterior circulation ischemic stroke and bila...
BACKGROUND AND PURPOSE Flow diverters are increasingly used in the endovascular treatment of intracranial aneurysms. Our aim was to determine neurologic complication rates following Pipeline Embolization Device placement for intracranial aneurysm treatment in a real-world setting. MATERIALS AND METHODS We retrospectively evaluated all patients with intracranial aneurysms treated with the Pipe...
BACKGROUND AND PURPOSE The recently described posterior reversible encephalopathy syndrome (PRES) classically consists of reversible vasogenic edema in the posterior circulation territories, although conversion to irreversible cytotoxic edema has been described. We hypothesized that the extent of edema has prognostic implications and that diffusion-weighted MR imaging (DWI) can help predict the...
Background Flow‐diverting stents (FDSs) are effective in treating complex intracranial aneurysms, including posterior communicating artery aneurysms. However, some studies have suggested FDSs limited efficacy for aneurysms associated with a fetal (FPCoA). Methods A retrospective analysis of patients FPCoA treated using FDS intervention alone was performed. Only which the originated from neck or...
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