Background and Purpose: Controversy exists about the role of perfusion imaging in patient selection for endovascular reperfusion therapy in acute ischemic stroke. We hypothesized that perfusion imaging versus noncontrast CT- based selection would be associated with improved functional outcomes at 3 months.
Background and Purpose: The hemodynamics of the inflow zone of cerebral aneurysms may be a key factor in coil compaction and recanalization after endovascular coil embolization. We performed 4D flow MR imaging in conjunction with 3D TOF MRA and compared their ability to identify the inflow zone of unruptured cerebral aneurysms.
Background: Recent studies have documented the high sensitivity of computed tomography angiography (CTA) in detecting a ruptured aneurysm in the presence of acute subarachnoid hemorrhage (SAH). The practice of digital subtraction angiography (DSA) when CTA does not reveal an aneurysm has thus been called into question.
Background: The variable definition of size ratio (SR) for sidewall (SW) vs bifurcation (BIF) aneurysms raises confusion for lesions harboring small branches, such as carotid ophthalmic or posterior communicating locations. These aneurysms are considered SW by many clinicians, but SR methodology classifies them as BIF.
Background: The incidence of radiation-induced complications is increasingly part of the informed consent process for patients undergoing neuroendovascular procedures. Data guiding these discussions in the era of modern radiation-minimizing equipment is lacking.
Background: Intracranial atherosclerotic stenosis (ICAS) is responsible for 9% to 37% of ischemic strokes
Background: Although wide-necked basilar bifurcation aneurysms are treated with Y-stent coiling, the effect of this intervention on vessel configuration and hemodynamics is unknown.
Background: Thromboembolic events are the most common complication after coiling of unruptured intracranial aneurysms (UIAs). However, it remains unclear whether these clinically silent ischemic lesions (CSILs) have any clinical significance.
Introduction: The purpose of this retrospective review was to present our experience in using the Solitaire™ AB Neurovascular Remodeling Device in the stent-assisted treatment of intracranial aneurysms, focusing on midterm results. To date, this is the largest series using the Solitaire™ AB Neurovascular Remodeling Device.
Introduction: One main complication of a flow-diverting device (FD) in treating intracranial aneurysm is stenosis of parent artery (PA) or occlusion of side branches. The use of a biodegradable device may satisfy the need for aneurysm occlusion and eliminate potential complications.
Introduction: The origin of the vertebral artery (VA) varies, though most VAs enter the transverse foramen (TF) of the sixth cervical vertebra. On computed tomography (CT) angiographic images, we evaluated the prevalence of variations of both VA origin and its level of entry into the TF.
Introduction: This study aims to report the treatment and outcome of sequential bilateral acute carotid artery blowout syndrome.
Objectives: This study sought to investigate the association of local and segmental arterial stiffness with incident cardiovascular events and all-cause mortality.
Background: Contrast-enhanced ultrasound (CEUS) is a dynamic and continuous modality that offers a real-time, direct view of vascularization patterns and tissue resistance for many organs. Thanks to newer ultrasound contrast agents, CEUS has become a well-established, live-imaging technique in many contexts, but it has never been used extensively for brain imaging. The use of intraoperative CEUS (iCEUS) imaging in neurosurgery is limited.
Background: Endovascular vessel reconstruction with the pipeline embolization device (PED) has become common practice. Data on the safety and efficacy of the PED in blister-like aneurysms (BLAs) are limited.
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