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carotid ultrasound

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https://www.readbyqxmd.com/read/28718186/intrauterine-growth-restriction-iugr-induces-signs-of-subclinical-atherosclerosis-in-6-year-old-infants-despite-absence-of-excessive-growth
#1
Anja Tzschoppe, Rüdiger von Kries, Ellen Struwe, Wolfgang Rascher, Helmuth-Guenther Dörr, Jörg Jüngert, Manfred Rauh, Matthias Beckmann, Ralf Schild, Tamme W Goecke, Jörg Dötsch
Background Postnatal catch-up growth and rapid weight gain after intrauterine growth restriction (IUGR) seem to increase the risk for later disease. This study aimed to compare features of the metabolic syndrome early in life between IUGR and appropriate for gestational age (AGA) infants. Patients Data for 9 infants with IUGR defined by a birth weight<10(th) percentile and ultrasound-proven placental insufficiency and 11 AGA children were available. Method Postnatal growth, auxological, cardiovascular, and metabolic parameters up to a chronological age of 6 years were assessed: Fasting serum concentrations of LDL-cholesterol, insulin, leptin, IGF-I, DHEAS, skinfold thicknesses, blood pressure, and mean carotid intima-media thickness (cIMT)...
July 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28716586/comparison-of-three-dimensional-t1-weighted-magnetic-resonance-and-contrast-enhanced-ultrasound-plaque-images-for-severe-stenosis-of-the-cervical-carotid-artery
#2
Yasuyoshi Shimada, Kohki Oikawa, Shunrou Fujiwara, Yasushi Ogasawara, Yuiko Sato, Shinsuke Narumi, Tadayoshi Kato, Kazumasa Oura, Yasuo Terayama, Makoto Sasaki, Kentaro Fujimoto, Jun Yoshida, Kuniaki Ogasawara
BACKGROUND AND PURPOSE: Magnetic resonance (MR) and contrast-enhanced ultrasound assess characteristics and neovascularization, respectively, of the carotid plaque. The purpose of the present study was to clarify how findings of contrast-enhanced ultrasound plaque imaging are related to those of 3-dimensional (3D) fast spin echo (FSE) T1-weighted MR plaque imaging (WI) in severe stenosis (≥70%) of the cervical carotid artery. METHODS: Fifty-three patients underwent 3D FSE T1-WI and contrast-enhanced ultrasound...
July 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28716557/is-the-score-chart-underestimating-the-real-cardiovascular-cv-risk-of-patients-with-psoriatic-arthritis-prevalence-of-subclinical-cv-disease-detected-by-carotid-ultrasound
#3
María Paz Martínez-Vidal, Cristina Fernández-Carballido
OBJECTIVES: To analyse the cardiovascular risk according to the SCORE chart in a series of patients with psoriatic arthritis, and to study the presence of subclinical cardiovascular disease by carotid ultrasound. METHODS: Cross-sectional descriptive study of patients with psoriatic arthritis attended in a tertiary hospital. The presence of classical cardiovascular risk factors and the clinical characteristics of the patients were recorded. The cardiovascular risk was calculated with SCORE, calibrated for Spain...
July 14, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28712815/asymptomatic-carotid-stenosis-is-associated-with-cognitive%C3%A2-impairment
#4
Brajesh K Lal, Moira C Dux, Siddhartha Sikdar, Carly Goldstein, Amir A Khan, John Yokemick, Limin Zhao
BACKGROUND: Cerebrovascular risk factors (eg, hypertension, coronary artery disease) and stroke can lead to vascular cognitive impairment. The Asymptomatic Carotid Stenosis and Cognitive Function study evaluated the isolated impact of asymptomatic carotid stenosis (no prior ipsilateral or contralateral stroke or transient ischemic attack) on cognitive function. Cerebrovascular hemodynamic and carotid plaque characteristics were analyzed to elucidate potential mechanisms affecting cognition...
July 13, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28712813/factors-affecting-operative-time-and-outcome-of-carotid-endarterectomy-in-the-vascular-quality-initiative
#5
Jennifer L Perri, Brian W Nolan, Philip P Goodney, Randall R DeMartino, Benjamin S Brooke, Shipra Arya, Mark F Conrad, Jack L Cronenwett
OBJECTIVE: Prior studies have suggested a relationship between operative (Op) time and outcome after major vascular procedures. This study analyzed factors associated with Op time and outcome after carotid endarterectomy (CEA) in the Vascular Quality Initiative (VQI) registry. METHODS: Elective, primary CEAs without high anatomic risk or concomitant procedures from 2012 to 2015 in the VQI were analyzed (N = 26,327, performed by 1188 surgeons from 249 centers). Multivariable analysis was used to identify patient, procedure, and surgeon factors associated with Op time and major adverse events (MAEs), categorized as either technical (ipsilateral stroke, cranial nerve injury, reoperation) or cardiac (myocardial infarction, congestive heart failure, dysrhythmia requiring treatment, surgical site infection, and death)...
July 13, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28711401/performance-of-acoustic-radiation-force-impulse-ultrasound-imaging-for-carotid-plaque-characterization-with-histologic-validation
#6
Tomasz J Czernuszewicz, Jonathon W Homeister, Melissa C Caughey, Yue Wang, Hongtu Zhu, Benjamin Y Huang, Ellie R Lee, Carlos A Zamora, Mark A Farber, Joseph J Fulton, Peter F Ford, William A Marston, Raghuveer Vallabhaneni, Timothy C Nichols, Caterina M Gallippi
OBJECTIVE: Stroke is commonly caused by thromboembolic events originating from ruptured carotid plaque with vulnerable composition. This study assessed the performance of acoustic radiation force impulse (ARFI) imaging, a noninvasive ultrasound elasticity imaging method, for delineating the composition of human carotid plaque in vivo with histologic validation. METHODS: Carotid ARFI images were captured before surgery in 25 patients undergoing clinically indicated carotid endarterectomy...
July 13, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28711283/common-carotid-artery-flow-measured-by-3-d-ultrasonic-vector-flow-imaging-and-validated-with-magnetic-resonance-imaging
#7
Simon Holbek, Kristoffer Lindskov Hansen, Hamed Bouzari, Caroline Ewertsen, Matthias Bo Stuart, Carsten Thomsen, Michael Bachmann Nielsen, Jørgen Arendt Jensen
Ultrasound (US) examination of the common carotid artery was compared with a through-plane magnetic resonance imaging (MRI) sequence to validate a recently proposed technique for 3-D US vector flow imaging. Data from the first volunteer examined were used as the training set, before volume flow and peak velocities were calculated for the remaining eight volunteers. Peak systolic velocities (PSVs) and volume flow obtained with 3-D US were, on average, 34% higher and 24% lower than those obtained with MRI, respectively...
July 12, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28708261/ultrasound-for-the-diagnosis-of-carotidynia
#8
Michael Abrahamy, Myriam Werner, Paul Gottlieb, Simon Strauss
The purpose of this work is to draw attention to the characteristic sonographic features of carotidynia, which, in the context of a typical clinical picture support its diagnosis. Six patients presented with primary symptoms of neck pain and focal tenderness. In all patients, focal wall thickening of the distal end of the common carotid artery was found exactly in the region of tenderness, leading to mild lumen narrowing. Treatment with nonsteroidal anti-inflammatory drugs or glucocorticoids led to full symptom resolution...
July 14, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28708034/ultrasound-guided-percutaneous-common-carotid-artery-access-in-piglets-for-intracoronary-stem-cell-infusion
#9
Jason H Anderson, Nathaniel W Taggart, Sarah L Edgerton, Susana Cantero Peral, Kimberly A Holst, Frank Cetta
In pigs, the deep location of the common carotid artery and overlying sternomastoideus muscle in the neck has led to the recommendation for a surgical cutdown for common carotid access, as opposed to minimally invasive techniques for vascular access. We sought to determine if direct percutaneous common carotid artery access in piglets is attainable. Seventeen piglets were anesthetized and intubated. Under two-dimensional and color flow Doppler ultrasound guidance, a 21 gauge needle was utilized to access the right common carotid artery...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28705310/subclinical-atherosclerosis-burden-by-3d%C3%A2-ultrasound-in-mid-life-the-pesa-study
#10
Beatriz López-Melgar, Leticia Fernández-Friera, Belén Oliva, José Manuel García-Ruiz, José Luis Peñalvo, Sandra Gómez-Talavera, Javier Sánchez-González, José María Mendiguren, Borja Ibáñez, Antonio Fernández-Ortiz, Javier Sanz, Valentín Fuster
BACKGROUND: Detection of subclinical atherosclerosis improves risk prediction beyond cardiovascular risk factors (CVRFs) and risk scores, but quantification of plaque burden may improve it further. Novel 3-dimensional vascular ultrasound (3DVUS) provides accurate volumetric quantification of plaque burden. OBJECTIVES: The authors evaluated associations between 3DVUS-based plaque burden and CVRFs and explored potential added value over simple plaque detection. METHODS: The authors included 3,860 (92...
July 18, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28704403/genetic-variants-of-ptgs2-txa2r-and-txas1-are-associated-with-carotid-plaque-vulnerability-platelet-activation-and-txa2-levels-in-ischemic-stroke-patients
#11
Xingyang Yi, Jing Lin, Hua Luo, Chun Wang, Yingying Liu
Eicosanoids may play a role in ischemic stroke. However, the associations of variants in cyclooxygenase (COX) pathway genes and interaction among these variants with carotid plaque vulnerability are not fully understood. In present study, twelve variants in COX pathway genes were examined using matrix-assisted laser desorption ionization time-of-flight mass spectrometry method in 396 patients with ischemic stroke and 291 controls. Platelet aggregation, platelet-leukocyte aggregates, and urine 11-dehydrothromboxane B2 (11-dTxB2) were also measured...
2017: PloS One
https://www.readbyqxmd.com/read/28702213/monitoring-the-efficacy-of-omega-3-supplementation-on-liver-steatosis-and-carotid-intima-media-thickness-a-pilot-study
#12
M-C Lacasse, A Tang, J Dubois, F Alvarez, S Spahis, M Chagnon, S Deschênes, E Levy
PURPOSE: To determine the effects of omega-3 supplementation on liver fat and carotid intima-media thickness (IMT) and to assess accuracy of ultrasound (US) for grading liver steatosis. MATERIALS AND METHODS: In this one-way crossover pilot study, we assigned children with obesity and liver steatosis to receive 1.2 g daily of omega-3 supplementation vs. inactive sunflower oil for 24 or 12 weeks. Liver fat content was assessed by magnetic resonance spectroscopy (MRS), magnetic resonance imaging (MRI) and US, and common carotid IMT by US...
June 2017: Obesity Science & Practice
https://www.readbyqxmd.com/read/28700472/a-rare-diaphragm-in-the-common-carotid-artery-a-first-case-report-and-literature-review
#13
Ying Wang, Jian-Chu Li, Ke Lv, Nai-Li Wang, Gao-Wa Sharen, Li Tan
RATIONALE: We present a case of common carotid artery (CCA) diaphragm. To our knowledge, this is the first reported case in the imaging literature. PATIENT CONCERNS: A 33-year-old woman presented herself to an annual health examination without any report of ill health. DIAGNOSES: A stenosis with aneurysm dilation on the proximal part of the right CCA was revealed on ultrasound and CTA, by which a diaphragm-like structure on the stenosis lesion was clearly identified...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28699976/discordant-lipid-pattern-and-carotid-atherosclerotic-plaque-importance-of-remnant-cholesterol
#14
Walter Masson, Martín Lobo, Graciela Molinero, Daniel Siniawski
Background: Subjects with levels of non-HDL-C 30 mg/dL above those of LDL-C (lipid discordance) or with high remnant cholesterol levels could have a greater residual cardiovascular risk. Objectives: To determine the prevalence of lipid discordance in a primary prevention population and analyze the clinical variables associated with it; To investigate the association between lipid discordance and remnant cholesterol with the presence of carotid plaque. Methods: Primary prevention patients without diabetes or lipid-lowering therapy were included...
June 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28699679/one-session-of-remote-ischemic-preconditioning-does-not-improve-vascular-function-in-acute-normobaric-and-chronic-hypobaric-hypoxia
#15
Mathew G Rieger, Ryan L Hoiland, Joshua C Tremblay, Mike Stembridge, Anthony R Bain, Daniela Flück, Prajan Subedi, James D Anholm, Philip N Ainslie
Application of repeated short duration bouts of ischemia to the limbs, termed remote ischemic preconditioning (RIPC), is a novel technique that may have protective effects on vascular function during hypoxic exposures. In separate parallel-design studies, at sea-level (SL; n = 16), and after 8-12 days at high-altitude (HA; n = 12; White Mountain, 3800 m), participants underwent either a sham protocol or one session of 4 × 5 minutes of dual-thigh cuff occlusion with 5 minutes recovery. Brachial artery flow-mediated dilation (FMD; ultrasound), pulmonary artery systolic pressure (PASP; echocardiography), and internal carotid artery flow (ICA; ultrasound) were measured at SL in normoxia and isocapnic hypoxia [end-tidal PO₂ (PETO₂) maintained to 50 mmHg], and during normal breathing at HA...
July 12, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28697490/the-influence-of-blood-pressure-on-fetal-aortic-distensibility-an-animal-validation-study
#16
Christoph Wohlmuth, Kenneth J Moise, Ramesha Papanna, Ciprian Gheorghe, Anthony Johnson, Yisel Morales, Helena M Gardiner
BACKGROUND/AIMS: Aortic distension waveforms describe the change in diameter or cross-sectional area over the cardiac cycle. We aimed to validate the association of aortic fractional area change (AFAC) with blood pressure (BP) in a fetal lamb model. METHODS: Four pregnant ewes underwent open fetal surgery under general anesthesia at 107-120 gestational days. A 4-Fr catheter was introduced into the fetal femoral artery and vein, or the carotid artery and jugular vein...
July 12, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28689200/optimal-medical-management-reduces-risk-of-disease-progression-and-ischemic-events-in-asymptomatic-carotid-stenosis-patients-a-long-term-follow-up-study
#17
Zubair Shah, Reza Masoomi, Rashmi Thapa, Mashhood Wani, John Chen, Buddhadeb Dawn, Marilyn Rymer, Kamal Gupta
BACKGROUND AND PURPOSE: To assess the effect of optimal medical management including atherosclerotic risk factor control on ischemic stroke (IS), transient ischemic attack (TIA), carotid revascularization (CRV), and progression of severity of carotid stenosis (PSCS) in patients with asymptomatic carotid artery stenosis (ACAS). METHODS: We conducted a retrospective analysis of patients with ACAS (who had at least 3 serial carotid duplex ultrasounds) for incidence of IS, TIA, and PSCS...
July 8, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28689199/photoacoustic-imaging-a-novel-tool-for-detecting-carotid-artery-thrombosis-in-mice
#18
Bing Li, Cong Fu, Genshan Ma, Quli Fan, Yuyu Yao
Thrombosis is a main cause of acute cardiovascular events, and detecting thrombi in small arteries via noninvasive imaging remains challenging. In this study, we employed a novel imaging method, photoacoustic imaging (PAI), to study thrombosis in a mouse model of ferric chloride (FeCl3)-induced arterial thrombosis and compared the ability of this method to detect thrombosis with that of a conventional imaging method, namely, ultrasound. The mice (n = 20) were divided equally into the following 4 groups: (1) a normal group, and (2) 3 experimental groups, in which the left common carotid artery was treated with 20% FeCl3 for 1, 3, or 5 min, respectively...
July 8, 2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/28688714/restenosis-predictors-after-carotid-angioplasty-and-stenting-and-its-influence-on-procedure-durability-single-center-experience
#19
Ossama Y Mansour, Abdelrahman Ibrahim, Mostafa Talaat
BACKGROUND: This article reports our experience regarding in-stent restenosis in the carotid arteries with special focus was given to angiographic morphology and clinical predictors of in-stent restenosis. METHODS: Between July 2008 and August 2011, 245 carotid angioplasty and stenting procedures were performed in 243 patients (172 men and 71 women). Stenting for de novo stenoses was performed in 214 (87.3%) carotid arteries, and 31 (12.7%) vessels were treated because of postsurgical restenosis...
July 5, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28680513/comparison-of-ultrasound-measured-properties-of-the-common-carotid-artery-to-tobacco-smoke-exposure-in-a-cohort-of-indonesian-patients
#20
Allen R Yu, Bima Hasjim, Luke E Yu, Christopher Gabriel, Alexander Anshus, Jonathan B Lee, Michael J Louthan, Esther C Kim, Katrina Lee, Christina Tse, Thomas Keown, Shadi Lahham, Maili Alvarado, Steven Bunch, Abdulatif Gari, J Christian Fox
BACKGROUND: The purpose of this study was to use point-of-care ultrasound (POCUS) to investigate the relationship between tobacco smoke exposure and the characteristics of the common carotid artery (CCA). The effect of both primary and secondary smoking on CCA properties was evaluated. METHODS: We performed a prospective cross-sectional study across 20 primary care clinics in Bandung, West Java, Indonesia in July 2016. Point of care ultrasound was performed on a convenience sample of Indonesian patients presenting to clinic...
2017: World Journal of Emergency Medicine
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