Background and Purpose: Despite moderate heritability, the phenotypic heterogeneity of ischemic stroke has hampered gene discovery, motivating analyses of diagnostic subtypes with reduced sample sizes. We assessed evidence for a shared genetic basis among the 3 major subtypes: large artery atherosclerosis (LAA), cardioembolism, and small vessel disease (SVD), to inform potential cross-subtype analyses.
Background and Purpose: Computed tomographic (CT) high attenuation (HA) areas after endovascular therapy for acute ischemic stroke are a common finding indicative of blood–brain barrier disruption. Dual-energy CT allows an accurate differentiation between HA areas related to contrast staining (CS) or to brain hemorrhage (BH). We sought to evaluate the prognostic significance of the presence of CS and BH after endovascular therapy.
Background and Purpose: In patients with acute middle cerebral artery (MCA) stroke, therapeutic decisions are influenced by the location of the occlusion. This study aimed to analyze clinical outcomes in patients with acute ischemic MCA stroke treated with systemic intravenous thrombolysis (IVT) using recombinant tissue plasminogen activator, according to the location of the occlusion.
Background and Purpose: Diagnosis of intracranial artery atherosclerosis remains often uncertain. The high-resolution magnetic resonance imaging (HR-MRI) enables vessel wall assessment for more precise diagnoses. The aim of the present study was to investigate the etiologies of middle cerebral artery steno-occlusive disease in young adult patients with few atherosclerotic risk factors using HR-MRI.
Background and Purpose: The purpose is to determine whether patching during carotid endarterectomy (CEA) affects the perioperative and long-term risks of restenosis, stroke, death, and myocardial infarction as compared with primary closure.
Early recanalization of occluded vessels in acute ischemic stroke (AIS) either by intravenous thrombolysis or endovascular revascularization has been shown to be associated with improved clinical outcome and reduced mortality.1 Initial works on endovascular treatment (EVT) of AIS was published in the 1980s.2,3 Since then, the endovascular techniques for AIS treatment have tremendously improved, advancing from intra-arterial administration of thrombolytic drugs to first-generation mechanical thrombectomy devices (Merci clot retriever and Penumbra clot aspiration) and more recently to second-generation mechanical thrombectomy devices (stent-retrievers; Figure 1). Introduction of various tools and techniques in EVT for AIS will, for obvious reasons, affect the efficacy and safety.
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.
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