BACKGROUND: Endovascular Pipeline Embolization Device (PED) placement for intracranial aneurysms is performed under general anesthesia at most centers because of perceived improved image quality and patient safety.
BACKGROUND AND IMPORTANCE: Intraosseous dural arteriovenous fistulae (DAVF) are rare, especially those with drainage into the diploic venous system. The clinical presentation depends on the location of the lesion. This is the first report of an intraosseous DAVF associated with acute epidural hematoma.
BACKGROUND AND IMPORTANCE: Iatrogenic internal carotid artery (ICA) injuries during endoscopic endonasal approach (EEA) surgeries are associated with a high morbidity and mortality, with few acceptable methods described for repair.
BACKGROUND: The use of mechanical thrombectomy in the management of acute ischemic stroke is becoming increasingly popular.
BACKGROUND: Carotid cavernous fistulae (CCFs) are most commonly classified based on arterial supply. Symptomatology and treatment approach, however, are largely influenced by venous drainage.
BACKGROUND: Embolization before stereotactic radiosurgery (SRS) for cerebral arteriovenous malformations (AVM) has been shown to negatively affect obliteration rates, but its impact on the risks of radiosurgery-induced complications and latency period hemorrhage is poorly defined.
BACKGROUND: Endovascular treatment is increasingly being used in acute stroke care. However, although stent retrievers show improved flow restoration rates, their clinical benefits have been uncertain.
BACKGROUND: As diagnosis and treatment of unruptured intracranial aneurysms continues to increase, management principles remain largely based on size. This is despite mounting evidence that aneurysm location and other morphologic variables could play a role in predicting overall risk of rupture. Morphological parameters can be divided into 3 main groups, those that are intrinsic to the aneurysm, those that are extrinsic to the aneurysm, and those that involve both the aneurysm and surrounding vasculature (transitional).
Background: Current treatment of ischaemic stroke with thrombolytic therapy is restricted to 3–4·5 h after symptom onset. We aimed to assess the safety and efficacy of desmoteplase, a fibrin-dependent plasminogen activator, given between 3 h and 9 h after symptom onset in patients with occlusion or high-grade stenosis in major cerebral arteries.
Background: Patients with a recent vertebrobasilar transient ischaemic attack or ischaemic stroke and vertebral artery stenosis of at least 50% have a high risk of future vertebrobasilar stroke. Stenting of vertebral artery stenosis is promising, but of uncertain benefit. We investigated the safety and feasibility of stenting of symptomatic vertebral artery stenosis of at least 50%, and assessed the rate of vascular events in the vertebrobasilar supply territory to inform the design of a phase 3 trial.
Background and Purpose: Lesion volume on diffusion-weighted magnetic resonance imaging (DWI) before acute stroke therapy is a predictor of outcome. Therefore, patients with large volumes are often excluded from therapy. The aim of this study was to analyze the impact of endovascular treatment in patients with large DWI lesion volumes (>70 mL).
Background and Purpose: Futile recanalization after acute ischemic stroke occurs in almost half of the patients despite optimal angiographic results. Multimodal neuroimaging may help to improve patient’s selection but is still dismissed by many interventionalists. Our aim was to evaluate the accuracy of each parameter of multimodal computed tomography (CT) and their combination for predicting futile recanalization after successful thrombectomy.
Background and Purpose: In retrospective studies, patients receiving general anesthesia for endovascular treatment for acute ischemic stroke have worse neurological outcome compared with patients receiving conscious sedation. It has been suggested that this is caused by general anesthesia–associated hypotension. We investigated the effect of intraprocedural hypotension on neurological outcome.
Background and Purpose: Endovascular coiling therapy is increasingly popular for obliteration of unruptured intracranial aneurysms, but older patients face higher procedural risks and shorter periods during which an untreated aneurysm may rupture causing subarachnoid hemorrhage (SAH). We assessed trends in clipping and coiling of unruptured intracranial aneurysms, outcomes after clipping and coiling of unruptured intracranial aneurysms, and in SAH among Medicare beneficiaries.
Background and Purpose: The high prevalence of intracranial aneurysms (IAs) in patients with a bicuspid aortic valve or coarctation of the aorta suggests a link between IA and aortic pathology. However, studies reporting this link do not sufficiently address the heterogeneity of IAs arising from different anatomic locations. This study aimed to explore whether a location-specific relationship exists between the 2 kinds of aneurysms.
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