Intraplaque hemorrhage
Intraplaque Hemorrhage and the Plaque Surface in Carotid Atherosclerosis: The Plaque At RISK Study (PARISK)
... between intraplaque hemorrhage and disrupted plaque surface (ulcerated plaques and/or a fissured fi- brous cap) in all ...tween intraplaque hemorrhage, other plaque characteristics, and ...
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Finite element analysis of mechanics of neovessels with intraplaque hemorrhage in carotid atherosclerosis
... and intraplaque hemor- rhage, are also considered ...rupture hemorrhage caused by plaque, the detection rate of neovessels is very high ...that intraplaque neovessels are closely associated with ...
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Intraplaque hemorrhage is associated with higher structural stresses in human atherosclerotic plaques: an in vivo MRI-based 3d fluid-structure interaction study
... of intraplaque hemorrhage on plaque wall stress (PWS) and flow shear stress (FSS) has not been analyzed considering the coupling of fluid and solid mechanics ...of intraplaque hemorrhage and ...
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Carotid Atherosclerotic Calcification Does Not Result in High Signal Intensity in MR Imaging of Intraplaque Hemorrhage
... Even though calcification can appear as high signal intensity in some T1 GRE-based sequences, the high signal intensity seen in MRIPH cannot be attributed to calcification. Previous stud- ies have shown MRIPH to identify ...
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Associations between Cerebral Embolism and Carotid Intraplaque Hemorrhage during Protected Carotid Artery Stenting
... placement. Intraplaque hemorrhage was defined as the presence of high signal intensity within the carotid plaque that was ⬎200% of the signal from the adjacent muscle on ...
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Optimal Prediction of Carotid Intraplaque Hemorrhage Using Clinical and Lumen Imaging Markers
... carotid intraplaque hemorrhage ...of intraplaque hemorrhage included percentage diameter and millimeter stenosis, plaque thickness, ulceration, and intraluminal ...essential intraplaque ...
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Prediction of Carotid Intraplaque Hemorrhage Using Adventitial Calcification and Plaque Thickness on CTA
... MATERIALS AND METHODS: This was a retrospective cohort study of 96 patients who underwent carotid MRA and CTA within 1 month, from 2009 to 2016. We excluded occlusions (n ⫽ 4) and near occlusions (n ⫽ 0), leaving 188 ...
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Quantitative evaluation of high intensity signal on MIP images of carotid atherosclerotic plaques from routine TOF MRA reveals elevated volumes of intraplaque hemorrhage and lipid rich necrotic core
... Carotid intraplaque hemorrhage (IPH) and lipid rich necrotic core (LRNC) play a critical role in the progres- sion of carotid atherosclerotic disease. The presence of IPH and LRNC in carotid atherosclerotic ...
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Clinical Significance of Intraplaque Hemorrhage in Low and High Grade Basilar Artery Stenosis on High Resolution MRI
... In this study, IPH was the only finding associated with stroke-symptom status, whereas contrast enhancement, degree of stenosis, minimal lumen area, and plaque burden were not associated with symptom status. Because IPH ...
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Identification of Intraplaque Hemorrhage on MR Angiography Images: A Comparison of Contrast Enhanced Mask and Time of Flight Techniques
... ⫽ intraplaque hemorrhage; MIP ⫽ maximum intensity projection; MPRAGE ⫽ magnetization-prepared rapid acquisition of gradient echo; MRA ⫽ MR angiography; MRDTI ⫽ MR direct thrombus imaging; NPV ⫽ negative ...
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Near infrared autofluorescence induced by intraplaque hemorrhage and heme degradation as marker for high risk atherosclerotic plaques
... Significant efforts have been made to characterize and risk stratify carotid and coronary atherosclerotic plaques using various imaging technologies. We here propose the use of near-infrared autofluorescence (NIRAF) for ...
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CT Attenuation Analysis of Carotid Intraplaque Hemorrhage
... (59 intraplaque hemorrhage, 63 lipid-rich necrotic core, and 47 fibrous); the average values of the intraplaque hemorrhage, lipid-rich necrotic core, and fibrous tissue were ...between ...
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Characterization of Craniocervical Artery Dissection by Simultaneous MR Noncontrast Angiography and Intraplaque Hemorrhage Imaging at 3T
... between hemorrhage and the vessel wall by another 35%, which allows more detection of carotid intraplaque hemor- rhage compared with the widely used 3D magnetization prepared rapid acquisition of gradient ...
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Safety of Protected Carotid Artery Stenting in Patients with Severe Carotid Artery Stenosis and Carotid Intraplaque Hemorrhage
... Technical success was achieved in all patients. Isolated hy- perperfusion syndrome occurred in 1 patient (1.1%), and ICH occurred in 2 patients (2.2%), for a combined incidence of 3.3% in 91 CAS procedures. One patient ...
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Association between Carotid Plaque Features on CTA and Cerebrovascular Ischemia: A Systematic Review and Meta Analysis
... Our systematic review and meta-analyses also revealed knowl- edge gaps that future studies should seek to clarify. First, we found that investigators have, to date, evaluated only the relationship between specific plaque ...
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MR Imaging–Detected Carotid Plaque Hemorrhage Is Stable for 2 Years and a Marker for Stenosis Progression
... 11. Cull DL, Cole T, Miller B, et al. The value of a carotid duplex surveil- lance program for stroke prevention. Ann Vasc Surg 2011;25:887–94 12. Kolodgie FD, Gold HK, Burke AP, et al. Intraplaque ...
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Vasa vasorum in plaque angiogenesis, metabolic syndrome, type 2 diabetes mellitus, and atheroscleropathy: a malignant transformation
... Results: This atheroscleropathy is associated with accelerated angiogenesis within the vulnerable, thin-cap fibro-atheroma, prone to rupture resulting in acute coronary syndromes (ACS). The resulting intimopathy with its ...
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An assessment of the vulnerability of carotid plaques: a comparative study between intraplaque neovascularization and plaque echogenicity
... A contrast-enhanced ultrasound examination was per- formed using an Acuson Sequoia 512 imaging system (Siemens, Mountain View, CA, USA) with a 2-MHz transducer by 2 experienced readers (Y.B. and Y.L.), who were blinded ...
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Intrapapillary hemorrhage with concurrent peripapillary and vitreous hemorrhage in two healthy young patients
... Intrapapillary hemorrhage with adjacent peripapillary sub- retinal hemorrhage occurs most commonly in young healthy patients with myopic eyes, but the resultant hem- orrhages spontaneously resolve without ...
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Survival time in severe hemorrhagic shock after perioperative hemodilution is longer with PEG conjugated human serum albumin than with HES 130/0 4: a microvascular perspective
... In the present study we tested the functionality of PEG-albu- min used experimentally in preoperative hemodilution followed by a significant surgical bleed. Survival time was longer with PEG-albumin than with HES. ...
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