Intracranial Arteries
Intracranial Arteries in Individuals with the Elastin Gene Hemideletion of Williams Syndrome
... MR imaging was performed on a Signa 1.5T scanner (GE Health- care, Milwaukee, Wisconsin) at the National Institutes of Health Nuclear Magnetic Resonance Research Center, by use of a stan- dard head coil. Six T1WIs (TR, ...
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In Vitro Studies of the Neuroform Microstent Using Transparent Human Intracranial Arteries
... of intracranial wide-neck an- eurysms by using stent-assisted ...of arteries with transparent characteristics such as silicon models have been at- ...
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Relatively higher norms of blood flow velocity of major intracranial arteries in North West Iran
... main intracranial arteries especially in cerebro- vascular occlusive ...tension, intracranial pressure, some drugs, smoking and ...increased intracranial pressure or high dose of some drugs ...
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Fenestration of intracranial arteries with special attention to associated aneurysms and other anomalies
... In fact , only two of these aneurysms were in the same arterial tree as the fenestrations: one basilar tip aneurysm with a fenestration proximal to the superior cerebellar arteries and a[r] ...
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Extra to intracranial arterial anastomoses in therapeutic embolization: recognition and role
... Anastomotic channels that connect the extra- and intracranial arteries are patent in many normal patients , and are even more common when abnormalities such as arteriosclerosis or arteri[r] ...
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Critical role of TNF-alpha-TNFR1 signaling in intracranial aneurysm formation
... from intracranial arteries after aneu- rysm induction was purified by Complete M Lysis kit (Roche, Basel, Switzerland) according to the manufactu- rer’s instructions (n = 4 in each ...
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Fluid attenuated Inversion Recovery Intraarterial Signal: An Early Sign of Hyperacute Cerebral Ischemia
... Another disadvantage of FLAIR in diagnosing hyperacute ischemic stroke is its long acquisition time. Although the fast spin-echo technique can reduce imaging time to approximately 3 to 5 min- utes, fast-FLAIR requires ...
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Angiographic CT in Cerebrovascular Stenting
... of intracranial stents has rapidly expanded over the past 5 years, particularly since the introduc- tion of small, self-expandable stents developed spe- cifically for the endovascular treatment of ...
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Prospective Evaluation of Suspected Stenoocclusive Disease of the Intracranial Artery: Combined MR Angiography and CT Angiography Compared with Digital Subtraction Angiography
... From June 1998 to June 1999, 498 patients were referred for MR imaging and MR angiography because of suspected neu- rovascular symptoms. During that period, patients were se- lected for the prospective study if ...
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Acetazolamide challenge for three dimensional time of flight MR angiography of the brain
... CONCLUSIONS: Acetazolamide improves visualization of small peripheral intracranial arteries and sensitivity in detecting atherosclerotic stenosis in the main trunk of major cerebral arte[r] ...
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Cardiovascularvessels.ppt
... Arteries Arteries – the vessels – the vessels that carry the blooda. that carry the blood.[r] ...
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Unilateral absence of pulmonary artery: a radiographically occult cause of life-threatening hemoptysis
... Unilateral absence or agenesis of pulmonary artery (UAPA) is a rare congenital abnormality with an estimated prevelance of 1 in 2,00,000 adults. The entity occurs commonly in association with other congenital heart ...
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Accuracy of Vessel Encoded Pseudocontinuous Arterial Spin Labeling in Identification of Feeding Arteries in Patients with Intracranial Arteriovenous Malformations
... feeding arteries and AVM lesions differently than TOF-MRA or ...individual arteries, which can be displayed in color ...feeding arteries, the pattern of which would influence the chances for complete ...
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Multicenter Experience with FRED Jr Flow Re Direction Endoluminal Device for Intracranial Aneurysms in Small Arteries
... cranial flow diverters dedicated to vessels of ⱕ 3 mm may provide a promising alternative for the safe and effective treatment of these challenging aneurysms. In this series, all treated aneurysms were completely covered ...
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3T MRI Reveals Extra and Intracranial Involvement in Giant Cell Arteritis
... Intradural vessels of patients were evaluated on fsT1WI before and after contrast agent administration independently for signs of vessel wall enhancement and/or thickening indicating mural in- flammation by 2 experienced ...
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Study on etiology, clinical course and visual outcome of retinal vasculitis
... retinal arteries may be involved in systemic vasculitis such as systemic lupus erythematosus or wegeners granulomatous this usually leads to occlusion rather than leakage and intraocular inflammation is not a ...
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Compensatory patterns of collateral flow in stroke patients with unilateral and bilateral carotid stenosis
... of intracranial collateral circulation [8], while the present study demonstrates the cerebral blood flow redistribution from contralateral CCA and posterior circulation in patients with carotid stenosis, which ...
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The arteries of the brain base in the degu (Octodon degus Molina 1782)
... communicating arteries and vertebral arteries, to- gether with the basilar artery, through the caudal communicating arteries, forming the main path of the brain’s supply of ...
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Non-invasive detection of intracranial hypertension using a simplified intracranial hemo- and hydro-dynamics model
... Methods: We proposed a simplified intracranial hemo- and hydro-dynamics model that consisted of two simple resistance circuits. From this proposed model, we designed an ICP estimation algorithm to trace ICP ...
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Can 3T MR Angiography Replace DSA for the Identification of Arteries Feeding Intracranial Meningiomas?
... Small intracranial structures can be seen because the acquisition of submillimeter sections results in high resolution and flow-related ...feeding arteries, conventional MR images were available, and some ...
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