The microvascular plug (MVP, UNO; Reverse Medical Corp, Irvine, California) is designed for occlusion of small vessels that are accessible only by microcatheters. This report describes eight neuroendovascular cases, including aneurysms and acute or imminent hemorrhage, treated with 10 microvascular plug devices. Instantaneous flow arrest was observed in all but two cases, in which the device was undersized, requiring supplementary coiling or microvascular plug replacement, respectively. Persistent occlusion was confirmed on follow-up examinations. There was one adverse event, which involved inadvertent device detachment after repeated resheathing. The microvascular plug appears to be suitable for the designated purpose. Further studies need to evaluate safety and confirm long-term durability of the results.
To project and compare the lifetime health benefits, health care costs, and incremental cost-effectiveness of a decision rule based on assessment of cerebrovascular reserve (CVR) compared with medical therapy and immediate revascularization in asymptomatic patients with carotid artery stenosis for prevention of stroke.
Objectives: The aim of this study was to identify predictors of occlusion intolerance (OI) developing during proximal protected carotid artery stenting (CAS).
Objectives: This study sought to examine operator experience measured by time-related variables on outcomes with protected carotid artery stenting (CAS).
Objectives: The aim of this meta-analysis was to evaluate and compare the efficacy of the 2 different neuroprotection systems in preventing embolization during carotid artery stenting (CAS), as detected by diffusion-weighted magnetic resonance imaging (DW-MRI).
Objectives: To assess the incidence and timing of hypotension after carotid artery stenting (CAS) and its correlation with postoperative complications.
To evaluate the feasibility of magnetic resonance imaging (MRI)-guided vertebroplasty at 1.5 Tesla using augmented reality image overlay navigation.
Introduction: We aim to investigate the correlation between presence of anterior temporal artery (ATA), the first major branch of middle cerebral artery (MCA), on conventional angiography and clinical outcome in patients with acute atherosclerotic M1-MCA occlusion.
Introduction: The introduction of the balloon remodeling and stent-assisted technique has revolutionized the approach to coil embolization for wide-neck aneurysms. The purpose of this study was to determine the frequency of thromboembolic events associated with single balloon-assisted, double balloon-assisted, and stent-assisted coil embolization for asymptomatic unruptured aneurysms.
Introduction: The purpose of this paper is to investigate the clinical significance of postinterventional subarachnoid hyperdensities (PSH) after endovascular mechanical thrombectomy in acute ischemic stroke.
Introduction: Follow-up CT angiography (CTA) is routinely performed for post-procedure management after carotid artery stenting (CAS). However, the stent lumen tends to be underestimated because of stent artifacts on CTA reconstructed with the filtered back projection (FBP) technique. We assessed the utility of new iterative reconstruction techniques, such as adaptive statistical iterative reconstruction (ASIR) and model-based iterative reconstruction (MBIR), for CTA after CAS in comparison with FBP.
Introduction: The purpose of this study is to investigate the efficacy and safety of mechanical thrombectomy in patients with acute vertebrobasilar artery occlusion (VBAO) using the Trevo Stentriever™ device.
Introduction: CT-angiography gains an increasing role in the initial diagnosis of patients with nontraumatic subarachnoid hemorrhage (SAH). However, the implementation of CT-angiography does not always exclude the necessity of conventional angiography. Our objective was to determine the practical utility and cost-effectiveness of CT-angiography.
Introduction: Stent-assisted embolization is sometimes limited in wide-necked aneurysms involving the acute-angled origins of tortuous branching arteries, and occasionally, Y-shaped stenting is required to remedy the sweeping effects of a broad aneurysmal neck on arterial branches. Described herein is a modified stent-assisted coil embolization technique entailing strategic placement of far proximal stent (“distal stenting”) as an alternate approach in such scenarios.
Introduction: This article proposes that the “arrow-tipped” loop or anastomosis classically described as an anatomic variant represents in fact a pathological phenomenon resulting from the partial thrombosis of a radiculomedullary vein (RMV) with a duplicated origin (double-rooted RMVs).
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