نتایج جستجو برای: icas
تعداد نتایج: 344 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE Intracranial atherosclerosis is a common cause of stroke worldwide. It results in ischemic stroke due to different mechanisms including artery-to-artery embolism, in situ thrombo-occlusion, occlusion of perforating arteries, and hemodynamic failure. In this review, we present an overview of current treatment and imaging modalities in intracranial atherosclerotic stenosis....
BACKGROUND AND PURPOSE An optimal strategy for management of symptomatic intracranial atherosclerotic stenosis (ICAS) has not yet been established. We compared the efficacy of 2 combinations of antiplatelets, aspirin plus cilostazol (cilostazol group) verus aspirin plus clopidogrel (clopidogrel group), on the progression of ICAS, which is known to be associated with clinical stroke recurrence. ...
BACKGROUND AND PURPOSE Intracranial atherosclerotic stroke (ICAS) has various stroke mechanisms, including branch occlusive disease (BOD), subcortical infarcts caused by parent arterial disease occluding the perforator's orifice, and non-BOD, infarcts beyond the subcortical area caused by artery-to-artery embolism. To test whether these 2 types of ICAS had different vascular pathophysiologies, ...
Introduction Moyamoya disease (MMD) is characterized by progressive stenosis and occlusion in the terminal portion of both internal carotid arteries (ICAs) and the formation of an abnormal vascular network. Because of the fragile structure of the collateral vessels, MMD is frequently accompanied by intracranial aneurysms that are mainly located within the abnormal basal network or the circle of...
In leeches, two pairs of reciprocally inhibitory heart interneurons that form the core oscillators of the pattern-generating network for heartbeat possess both high- and low-threshold (HVA and LVA) Ca channels. LVA Ca current has two kinetically distinct components (one rapidly activating/inactivating, ICaF, and another slowly activating/inactivating, ICaS) that mediate graded transmission, gen...
The petrous and cavernous parts of internal carotid artery (ICA) are obscure and are not readily accessible to observation/imaging. These parts have broad biological and medical interest because of their peculiar shape. Given the their clinical importance and the scarce data available based mostly on imaging, the present study was aimed at studying these parts of ICA by dissection. The study wa...
BACKGROUND AND PURPOSE Aberrrant course of the cervical internal carotid arteries (ICAs) may result in submucosal masses in the posterior pharyngeal wall, may cause confusion at physical examination, may be symptomatic, and can be at risk of surgical injury. The aim of this report is to present the clinical and imaging characteristics associated with aberrant course of the cervical portion of t...
Abstract In the field of microelectronic packaging technology, isotropic conductive adhesives (ICAs) have been used widely as interconnection materials between chips and substrates. ICAs are composed silver powder particles adhesive matrix. The paper analysed rheological properties at different temperatures in order to better apply dispensing jet printing processes. viscosity, viscoelasticity, ...
Objective: The aim of this study was to assess the association between non-high-density-lipoprotein-cholesterol (non-HDLC) and the prevalence of asymptomatic intracranial arterial stenosis (ICAS). Methods and Results: The Asymptomatic Polyvascular Abnormalities Community (APAC) study is a prospective cohort study based on the Kailuan district (China) population. A total of 5351 eligible subject...
BACKGROUND AND PURPOSE ICAS is one of the therapeutic options in symptomatic cerebral artery stenosis. iaDSA is the current criterion standard examination after ICAS for the detection of ISR. In this study, we evaluated ivACT as a potential noninvasive follow-up alternative. MATERIALS AND METHODS In 17 cases, ivACT and iaDSA were performed after ICAS. Both procedures were carried out on a fla...
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