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Asymptomatic carotid stenosis

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https://www.readbyqxmd.com/read/29432486/fractal-analysis-of-plaque-border-a-novel-method-for-the-quantification-of-atherosclerotic-plaque-contour-irregularity-is-associated-with-pro-atherogenic-plasma-lipid-profile-in-subjects-with-non-obstructive-carotid-stenoses
#1
Francesco Moroni, Marco Magnoni, Vittoria Vergani, Enrico Ammirati, Paolo G Camici
BACKGROUND AND AIMS: Plaque border irregularity is a known imaging characteristic of vulnerable plaques, but its evaluation heavily relies on subjective evaluation and operator expertise. Aim of the present work is to propose a novel fractal-analysis based method for the quantification of atherosclerotic plaque border irregularity and assess its relation with cardiovascular risk factors. METHODS AND RESULTS: Forty-two asymptomatic subjects with carotid stenosis underwent ultrasound evaluation and assessment of cardiovascular risk factors...
2018: PloS One
https://www.readbyqxmd.com/read/29424477/association-of-lipoprotein-associated-phospholipase-a2-mass-with-asymptomatic-cerebral-artery-stenosis
#2
Youxin Wang, Bin Zhou, Pingan Zhou, Yan Yao, Qinghua Cui, Yingping Liu, Jichun Yang, Shouling Wu, Xingquan Zhao, Yong Zhou
Cerebral artery stenosis (CAS) is the most important causes of ischaemic stroke. Lipoprotein-associated phospholipase A2 (Lp-PLA2) plays 2 diverse roles in atherosclerosis (pro-inflammatory and anti-inflammatory), and the association between Lp-PLA2 mass and cardiovascular or cerebrovascular events is inconsistent among previous studies. A cross-sectional study including 2012 North Chinese adults aged ≥40 years was performed in 2010-2011 to investigate whether Lp-PLA2 mass is associated with asymptomatic cerebral artery stenosis (ACAS)...
February 9, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29421416/primary-stenting-of-right-sided-subclavian-artery-stenosis-presenting-as-subclavian-steal-syndrome-report-of-three-cases-and-literature-review
#3
Georgios Sahsamanis, Georgios Vourliotakis, Konstantinos Pirgakis, Anastasios Lekkas, Ioannis Kantounakis, Alexandra Terzoglou, Vasileios Tzilalis
BACKGROUND: Right-sided subclavian artery stenosis is a rare cerebrovascular disease involving the upper extremities. Considering an endovascular approach for its management requires increased endovascular and catheterization skills, when compared to the left side, due to the close approximation of the right subclavian artery origin, vertebral and common carotid arteries. METHODS: Three patients suffering from proximal right sided subclavian artery stenosis were treated in our center through primary stenting...
February 5, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29397311/cerebral-neuromonitoring-during-carotid-endarterectomy-and-impact-of-contralateral-internal-carotid-occlusion
#4
Davorin Sef, Andrija Skopljanac-Macina, Milan Milosevic, Anita Skrtic, Vinko Vidjak
BACKGROUND: The aim of this study was to identify the reliability of carotid artery stump pressure (SP) in predicting the neurologic changes and correlation with contralateral internal carotid artery (ICA) occlusion in patients undergoing eversion carotid endarterectomy (CEA). The optimal method for monitoring cerebral perfusion during CEA, performed under either local or general anesthesia, is still controversial. METHODS: We prospectively analyzed 118 consecutive patients undergoing eversion CEA under local anesthesia...
January 31, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29393758/risk-of-intracranial-hemorrhage-after-carotid-artery-stenting-versus-endarterectomy-a-population-based-study
#5
Mohamad A Hussain, Aziz S Alali, Muhammad Mamdani, Jack V Tu, Gustavo Saposnik, Konard Salata, Avery B Nathens, Charles de Mestral, Deepak L Bhatt, Subodh Verma, Mohammed Al-Omran
OBJECTIVE Intracranial hemorrhage (ICH) associated with cerebral hyperperfusion syndrome is a rare but major complication of carotid artery revascularization. The objective of this study was to compare the rate of ICH after carotid artery stenting (CAS) with that after endarterectomy (CEA). METHODS The authors performed a retrospective population-based cohort study of patients who underwent carotid artery revascularization in the province of Ontario, Canada, between 2002 and 2015. The primary outcome was the rate of ICH that occurred within 90 days after carotid artery intervention among patients who underwent CAS versus that of those who underwent CEA...
February 2, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29390866/carotid-artery-stenting-has-a-role-in-the-management-of-asymptomatic-carotid-stenosis-but-this-is-currently-small
#6
Kosmas I Paraskevas, Frank J Veith, Dimitri P Mikhailidis, Christos D Liapis
No abstract text is available yet for this article.
January 1, 2018: Angiology
https://www.readbyqxmd.com/read/29378420/embolic-protection-device-in-asymptomatic-carotid-stenosis
#7
Feyzullah Besli
No abstract text is available yet for this article.
January 1, 2018: Angiology
https://www.readbyqxmd.com/read/29376954/-an-efficacy-of-carotid-arteries-repair-for-tortuosity-combined-with-stenosis
#8
A V Gavrilenko, A V Abramyan, A V Kuklin
AIM: To assess an efficacy of carotid arteries reconstruction in patients with internal carotid artery stenosis combined with tortuosity. MATERIAL AND METHODS: 86 patients with ICA tortuosity and stenosis were enrolled. All patients were divided into groups depending on type of surgery: group I - open carotid endarterectomy (CEA) followed by obligatory repair with synthetic patch (31 (36%) patients); group II - eversion CEA with ICA resection, redressation and reimplantation into own ostium (35 (40...
2018: Khirurgiia
https://www.readbyqxmd.com/read/29366153/characteristics-of-carotid-atherosclerosis-and-brain-white-matter-hyperintensities-in-asymptomatic-patients-with-intermediate-stenosis
#9
Francesco Moroni, Enrico Ammirati, Marco Magnoni, Maria Assunta Rocca, Roberta Messina, Nicoletta Anzalone, Costantino De Filippis, Isabella Scotti, Francesca Besana, Pietro Spagnolo, Ornella Rimoldi, Roberto Chiesa, Andrea Falini, Massimo Filippi, Paolo Guido Camici
No abstract text is available yet for this article.
August 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29365582/effect-of-intensive-statin-therapy-on-carotid-plaque-echogenicity-in-patients-with-nonobstructive-asymptomatic-carotid-stenosis
#10
Sergey Kozlov, Leila Kchamchieva, Mariya Tripoten, Ivan Melnikov, Tatyana Balakchonova
No abstract text is available yet for this article.
August 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29365579/evaluation-of-intracranial-circulation-by-transcranial-ultrasound-useful-method-for-selection-of-patients-with-asymptomatic-carotid-stenosis-to-carotid-endarterectomy-single-center-experience
#11
https://www.readbyqxmd.com/read/29358636/association-between-h-type-hypertension-and-asymptomatic-extracranial-artery-stenosis
#12
Jia Zhang, Yanfang Liu, Anxin Wang, Dandan Wang, Ruixuan Jiang, Jiaokun Jia, Shengyun Chen, Xingquan Zhao
Asymptomatic extracranial artery stenosis (ECAS) is a well-known risk factor for stroke and H-type hypertension, which is defined as hypertension with hyperhomocysteinemia, is associated with cardio-cerebrovascular diseases. However, the impact of H-type hypertension on ECAS is mostly unknown. We designed this study to investigate the association between H-type hypertension and prevalence of ECAS. We included 2330 participants in this study and classified them into four groups: the control group without hypertension or hyperhomocysteinemia, isolated hypertension group, isolated hyperhomocysteinemia group and H-type hypertension group...
January 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29334161/the-role-of-neurosonology-in-the-diagnosis-and-management-of-patients-with-carotid-artery-disease-a-review
#13
REVIEW
Odysseas Kargiotis, Apostolos Safouris, Georgios Magoufis, Maria Georgala, Andromachi Roussopoulou, Eleftherios Stamboulis, Konstantinos G Moulakakis, Andreas Lazaris, George Geroulakos, Spyros Vasdekis, Georgios Tsivgoulis
Carotid artery disease (CAD) is a common cause of ischemic stroke with high rates of recurrence. Carotid endarterectomy (CEA) or carotid artery stenting (CAS) are highly recommended for the secondary prevention of symptomatic CAD during the first 14 days following the index event of transient ischemic attack or minor stroke. CEA or CAS may also be offered in selected cases with severe asymptomatic stenosis. Herein, we review the utility of neurosonology in the diagnosis and pre-/peri-interventional assessment of CAD patients who undergo carotid revascularization procedures...
January 15, 2018: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29329733/association-between-leukoaraiosis-and-cerebral-blood-flow-territory-alteration-in-asymptomatic-internal-carotid-artery-stenosis
#14
Y-F Chen, Y-S Kuo, W-C Wu, S-C Tang, S-F Jiang
AIM: To test the hypothesis that leukoaraiosis (also known as white matter lesion) is associated with cerebral blood flow territory change as revealed by territorial arterial spin-labeling (TASL) magnetic resonance imaging (MRI) in patients with asymptomatic internal carotid artery stenosis (aICAS). MATERIALS AND METHODS: The institutional review board approved this study. Thirty-three patients with aICAS were included prospectively and divided into high-grade (ultrasonographic stenosis ≥70%, n=17) and low-grade (n=16) groups; 16 healthy subjects were also included...
January 9, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29326378/the-casper-stent-system-for-carotid-artery-stenosis
#15
Sebastian J Mutzenbach, Katharina Millesi, Cornelia Roesler, Erasmia Broussalis, Slaven Pikija, Johann Sellner, Lukas Machegger, Christoph J Griessenauer, Monika Killer-Oberpfalzer
PURPOSE: To report the results of a retrospective analysis of prospectively collected data evaluating the safety and efficacy of a double layer stent engineered for carotid artery occlusive disease. METHODS: Between January 2014 and February 2017, 138 patients (25.4% women; median age 71 years) underwent Casper stent implantation for carotid artery stenosis. Eligibility criteria included stenosis >70% of vessel diameter (or >50% diameter with ulceration) in symptomatic patients or asymptomatic patients with >80% stenosis at the carotid bifurcation or in the proximal internal carotid artery...
January 11, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29317141/serum-levels-of-osteopontin-predict-major-adverse-cardiovascular-events-in-patients-with-severe-carotid-artery-stenosis
#16
Federico Carbone, Fabio Rigamonti, Fabienne Burger, Aline Roth, Maria Bertolotto, Giovanni Spinella, Bianca Pane, Domenico Palombo, Aldo Pende, Aldo Bonaventura, Luca Liberale, Alessandra Vecchié, Franco Dallegri, François Mach, Fabrizio Montecucco
BACKGROUND: Inflammatory mediators in the blood stream and within plaques are key determinants in atherogenesis. Here, we investigated serum osteopontin (OPN) as a potential predictor of poor outcome in patients with severe carotid atherosclerosis. METHODS: Carotid plaques and serum were collected from patients asymptomatic (n=185) or symptomatic (n=40) for ischemic stroke. Plaques were stained for lipids, smooth muscle cells, neutrophils, M1 and M2 macrophage subsets and matrix metallopropteinase-9 (MMP-9)...
January 5, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29315509/carotid-plaque-volume-in-patients-undergoing-carotid-endarterectomy
#17
S Ball, S Rogers, K Kanesalingam, R Taylor, E Katsogridakis, C McCollum
BACKGROUND: The main indication for carotid endarterectomy (CEA) is severity of carotid artery stenosis, even though most strokes in carotid disease are embolic. The relationship between carotid plaque volume (CPV) and symptoms of cerebral ischaemia, and the measurement of CPV by minimally invasive tomographic ultrasound imaging, were investigated. METHODS: The volume of the endarterectomy specimen was measured using a validated saline suspension technique in patients undergoing CEA...
January 8, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29279888/prevalence-of-systemic-atherosclerosis-burdens-and-overlapping-stroke-etiologies-and-their-associations-with-long-term-vascular-prognosis-in-stroke-with-intracranial-atherosclerotic-disease
#18
Takao Hoshino, Leila Sissani, Julien Labreuche, Gregory Ducrocq, Philippa C Lavallée, Elena Meseguer, Céline Guidoux, Lucie Cabrejo, Cristina Hobeanu, Fernando Gongora-Rivera, Pierre-Jean Touboul, Philippe Gabriel Steg, Pierre Amarenco
Importance: Patients who have experienced stroke with intracranial atherosclerotic disease (ICAD) may also have concomitant atherosclerosis in different arterial beds and other possible causes for ischemic stroke. However, little is known about the frequency and prognostic effect of such overlapping diseases. Objectives: To describe the prevalence of systemic atherosclerotic burdens and overlapping stroke etiologies and their contributions to long-term prognoses among patients who have experienced stroke with ICAD...
December 26, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29240808/altered-cerebral-hemodyamics-and-cortical-thinning-in-asymptomatic-carotid-artery-stenosis
#19
Randolph S Marshall, Iris Asllani, Marykay A Pavol, Ying-Kuen Cheung, Ronald M Lazar
Cortical thinning is a potentially important biomarker, but the pathophysiology in cerebrovascular disease is unknown. We investigated the association between regional cortical blood flow and regional cortical thickness in patients with asymptomatic unilateral high-grade internal carotid artery disease without stroke. Twenty-nine patients underwent high resolution anatomical and single-delay, pseudocontinuous arterial spin labeling magnetic resonance imaging with partial volume correction to assess gray matter baseline flow...
2017: PloS One
https://www.readbyqxmd.com/read/29217492/the-potential-role-of-ideal-mri-for-identification-of-lipids-and-hemorrhage-in-carotid-artery-plaques
#20
Faisal Khosa, Rachel E Clough, Xiaoen Wang, Ananth J Madhuranthakam, Robert L Greenman
Hemorrhage and lipid deposits contribute to instability in atherosclerotic plaques. Unstable carotid artery plaques can lead to cerebral ischemic events. While MRI studies have shown the ability to identify plaque components, the identification of hemorrhage and lipids has proven to be problematic. The purpose of this study was to quantitatively evaluate the potential of the MRI fat/water separation method known as iterative decomposition of water and fat with echo asymmetry and least squares estimation (IDEAL) to complement and improve existing methods for the identification of hemorrhage and lipids in carotid artery plaques...
December 4, 2017: Magnetic Resonance Imaging
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