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https://www.readbyqxmd.com/read/28227683/artsens-%C3%A2-mobile-a-portable-image-free-platform-for-automated-evaluation-of-vascular-stiffness
#1
Malay Ilesh Shah, Jayaraj Joseph, T Aryasree, Mohanasankar Sivaprakasam, Malay Ilesh Shah, Jayaraj Joseph, T Aryasree, Mohanasankar Sivaprakasam, T Aryasree, Mohanasankar Sivaprakasam, Jayaraj Joseph, Malay Ilesh Shah
Vascular stiffness is a key physiological marker significant in screening and early diagnosis of vascular disease. However, state of art techniques for vascular stiffness evaluation are not suited for field deployment. We present ARTSENS(®) Mobile, a portable, image-free ultrasound technology platform for automated evaluation of carotid artery stiffness, amenable for field deployment. The technology utilises a single element ultrasound transducer operated in pulse echo modality to investigate arterial wall dynamics, assisted by intelligent algorithms for wall identification and motion tracking to completely automate the measurement...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227283/a-method-to-detect-tortuosity-of-vessel-using-non-imaging-ultrasound-approach-in-carotid-structure
#2
Ravindra B Patil, P Krishnamoorthy, Ravindra B Patil, P Krishnamoorthy, Ravindra B Patil, P Krishnamoorthy
Stroke is a leading cause of functional impairments. The typical screening mechanism is to measure localized Peak Systolic Velocity (PSV) and diagnose impending risk associated with stoke by characterizing the PSV values. However, an accurate measurement of PSV using Doppler ultrasound is affected due to the tortuous nature of carotid artery in elder population group as the angle at which acoustic beam strikes the vessel is over or under estimated resulting in improper measure the blood flow velocity. Hence, the proposed approach estimates the degree of tortuosity of the carotid vessel and includes this as calibration parameter to compute an accurate PSV...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227119/clinical-viability-of-carotid-plaque-strain-estimation-using-b-mode-ultrasound-image-sequences
#3
Amir A Khan, Joseph C Hecker, Brajesh K Lal, Siddhartha Sikdar, Amir A Khan, Joseph C Hecker, Brajesh K Lal, Siddhartha Sikdar, Siddhartha Sikdar, Brajesh K Lal, Amir A Khan, Joseph C Hecker
It is estimated that approximately 30% of ischemic strokes are caused by rupture of plaque in the carotid artery. Development of techniques focusing on identifying plaques that are vulnerable to rupture is thus indispensable for stroke prevention. Recent studies have demonstrated that motion analysis of plaques from B-mode and RF ultrasound (US) image sequences can be used to estimate plaque strain. However, viability of these methods in a clinical setting, with variable acquisition protocols, has not been demonstrated yet...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225988/estimation-of-cardiovascular-risk-and-detection-of-subclinical-carotid-atheromatosis-in-patients-with-diabetes-without-a-history-of-cardiovascular-disease
#4
Walter Masson, Salvador De Francesca, Micaela Molinero, Daniel Siniawski, Andrés Mulassi, Frank Espinoza Morales, Melina Huerin, Martín Lobo, Graciela Molinero
Objectives: Cardiovascular risk estimated by several scores in patients with diabetes mellitus without a cardiovascular disease history and the association with carotid atherosclerotic plaque (CAP) were the aims of this study. Materials and methods: Cardiovascular risk was calculate using United Kingdom Prospective Diabetes Study (UKPDS) risk engine, Framingham risk score for cardiovascular (FSCV) and coronary disease (FSCD), and the new score (NS) proposed by the 2013 ACC/AHA Guideline on the Treatment of Blood Cholesterol...
February 13, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28225861/predictors-of-subclinical-atherosclerosis-evaluated-by-carotid-intima-media-thickness-in-asymptomatic-young-women-with-type-1-diabetes-mellitus
#5
Rosane Kupfer, Manuella Rangel Larrúbia, Isabela Bussade, Joana Rodrigues Dantas Pereira, Giovanna A Balarini Lima, Marcio Antonio Epifanio, Claudio Domenico Sahione Schettino, Denise Prado Momesso
Objective: This study aimed to evaluate the occurrence and clinical predictors of subclinical atherosclerosis in asymptomatic, young adult women with type 1 DM. Subjects and methods: The study included 45 women with type 1 diabetes mellitus (DM) (aged 36 ± 9 years) who underwent carotid Doppler ultrasound evaluation to determine the carotid artery intima-media thickness (CIMT) and to assess the occurrence of carotid artery plaques. Insulin sensitivity was assessed by estimated glucose disposal rate (eGDR), and metabolic syndrome (MS) was defined by the World Health Organization criteria...
February 16, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28223474/can-pediatric-hypertension-criteria-be-simplified-a-prediction-analysis-of-subclinical-cardiovascular-outcomes-from-the-bogalusa-heart-study
#6
Bo Xi, Tao Zhang, Shengxu Li, Emily Harville, Lydia Bazzano, Jiang He, Wei Chen
Prehypertension and hypertension in childhood are defined by sex-, age-, and height-specific 90th (or ≥120/80 mm Hg) and 95th percentiles of blood pressure, respectively, by the 2004 Fourth Report. However, these cutoffs are complex and cumbersome for use. This study assessed the performance of a simplified blood pressure definition to predict adult hypertension and subclinical cardiovascular disease. The cohort consisted of 1225 adults (530 men; aged 26.3-47.7 years) from the Bogalusa Heart Study with 27...
February 21, 2017: Hypertension
https://www.readbyqxmd.com/read/28222983/validation-of-subclavian-duplex-velocity-criteria-to-grade-severity-of-subclavian-artery-stenosis
#7
Albeir Y Mousa, Ramez Morkous, Mike Broce, Michael Yacoub, Andrew Sticco, Ravi Viradia, Mark C Bates, Ali F AbuRahma
BACKGROUND: Validation of subclavian duplex ultrasound velocity criteria (SDUS VC) to grade the severity of subclavian artery stenosis has not been established or systematically studied. Currently, there is a paucity of published literature and lack of practitioner consensus for how subclavian duplex velocity findings should be interpreted in patients with subclavian artery stenosis. OBJECTIVE: The objective of the present study was to validate SDUS measurements using subclavian conventional or computed tomography angiogram (subclavian angiogram [SA])-derived measurements...
February 17, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28218798/shear-wave-elastography-imaging-for-the-features-of-symptomatic-carotid-plaques-a-feasibility-study
#8
Zhe Lou, Jun Yang, Li Tang, Youhe Jin, Jinsong Zhang, Chao Liu, Qiaobei Li
OBJECTIVES: Shear wave elastography (SWE) was performed to evaluate the Young's modulus of carotid plaques in patients presenting with cerebrovascular incidents, to estimate the clinical value and feasibility of this approach. METHODS: Sixty-one patients (mean age, 65 years; 45 men) underwent common duplex ultrasonic examination and SWE evaluation. The patients were divided into the symptomatic and asymptomatic groups based on the presence of unilateral focal neurological symptoms...
February 20, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28218562/c-reactive-protein-as-a-marker-of-progression-of-carotid-atherosclerosis-in-subjects-with-type-2-diabetes-mellitus
#9
Aleš Pleskovič, Marija Šantl Letonja, Andreja Cokan Vujkovac, Jovana Nikolajević Starčević, Katarina Gazdikova, Martin Caprnda, Ludovit Gaspar, Peter Kruzliak, Danijel Petrovič
BACKGROUND: This prospective study was designed to evaluate the effect of inflammatory markers on the presence and progression of subclinical markers of carotid atherosclerosis in a 3.8-year follow-up period in patients with type 2 diabetes mellitus (T2DM). PATIENTS AND METHODS: A total of 595 subjects with T2DM were enrolled. Subclinical markers of carotid atherosclerosis (carotid intima media thickness (CIMT), plaque thickness, and plaques presence) were assessed with ultrasound at the time of recruitment and again after 3...
February 20, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28217505/noncommunicable-disease-in-rural-india-are-we-seriously-underestimating-the-risk-the-nallampatti-noncommunicable-disease-study
#10
Krishnan Swaminathan, Ganesh Veerasekar, Sujatha Kuppusamy, Mohanraj Sundaresan, Ganesan Velmurugan, Nalla G Palaniswami
AIM: To assess the prevalence of noncommunicable diseases in a true rural farming population in South India and compare the data with the landmark contemporary Indian Council of Medical Research-India Diabetes (ICMR-INDIAB) study. METHODS: Local Ethics Committee approval and informed consent was obtained from all participants. Inclusion criteria were participants, aged ≥20 and ≤85 years, from Nallampatti, a classical farming village from Tamil Nadu state, India...
January 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28217269/common-carotid-artery-occlusion-presenting-with-recurrent-syncopal-episodes
#11
Imran Kader, Steven M Jones, Catherine Harrison, Ferdinand Miteff, Senthil Kumar
Symptomatic common carotid artery (CCA) occlusion is an uncommon occurrence that may require surgical intervention. We aim to describe a case of CCA occlusion that presented with the unusual symptom of recurrent syncope. A 69-year-old lady presented with a history of recurrent syncopal episodes and amaurosis fugax associated with left leg weakness. She was found to have a right CCA occlusion on duplex ultrasound and angiography. She underwent a right common carotid endarterectomy and intraoperative findings revealed a heavily calcified plaque in the CCA just proximal to the bifurcation with organised thrombus filling the CCA proximally...
November 2, 2016: Neurology International
https://www.readbyqxmd.com/read/28215923/association-between-the-presence-carotid-artery-plaque-and-cardiovascular-events-in-patients-with-genetic-hypercholesterolemia
#12
Ana M Bea, Fernando Civeira, Estíbaliz Jarauta, Itziar Lamiquiz-Moneo, Sofía Pérez-Calahorra, Victoria Marco-Benedí, Ana Cenarro, Rocío Mateo-Gallego
INTRODUCTION AND OBJECTIVES: The equations used in the general population to calculate cardiovascular risk are not useful in genetic hypercholesterolemia (GH). Carotid plaque detection has proved useful in cardiovascular prediction and risk reclassification but there have been no studies of its usefulness in GH. The aim of this study was to determine the association between the presence of carotid artery plaque and the occurrence of cardiovascular events in patients with GH. METHODS: This study included 1778 persons with GH...
February 16, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28210489/arterial-ventricular-coupling-and-parameters-of-vascular-stiffness-in-hypertensive-patients-role-of-gender
#13
Luca Faconti, Rosa Maria Bruno, Simona Buralli, Marta Barzacchi, Elisa Dal Canto, Lorenzo Ghiadoni, Stefano Taddei
OBJECTIVE: Non-invasive estimation of arterial-ventricular coupling has been extensively used for the evaluation of cardiovascular performance, however, a relative small amount of data is available regarding arterial-ventricular coupling and its components in hypertension. The present study was designed to investigate the relationship between left ventricular elastance, arterial elastance, parameters of vascular stiffness and the influence of gender in a population of hypertensive individuals...
January 2017: JRSM Cardiovascular Disease
https://www.readbyqxmd.com/read/28208908/comparison-of-carotid-intima-media-thickness-in-children-of-patients-with-and-without-premature-coronary-artery-disease
#14
Alagesan Murali, Anith Kumar Mambatta, R R M Ranganathan, R Shanmugasundaram, K Deepalakshmi
INTRODUCTION: Increased Carotid Intima Medial Thickness (CIMT) is associated with cardiovascular risk factors and vascular events like Coronary Artery Disease (CAD) and stroke. AIM: This study was designed to identify whether CIMT is increased in the children of parents with premature coronary artery disease and compare it with age and sex matched controls who are children of normal individuals. We also tried to compare and correlate the changes in CIMT if any, among the study group with relation to family history of diabetes and hypertension...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28199074/inflammatory-markers-and-brain-derived-neurotrophic-factor-as-potential-bridges-linking-bipolar-disorder-and-cardiovascular-risk-among-adolescents
#15
Jessica K Hatch, Gustavo Scola, Omodele Olowoyeye, Jordan E Collins, Ana C Andreazza, Alan Moody, Anthony J Levitt, Bradley H Strauss, Krista L Lanctot, Benjamin I Goldstein
OBJECTIVE: Bipolar disorder (BD) is associated with increased rates of cardiovascular disease (CVD). Brain-derived neurotrophic factor (BDNF) and inflammatory markers are leading biomarkers in BD. We examined whether these biomarkers underlie the link between BD and CVD proxies among adolescents with bipolar spectrum disorders. METHODS: Subjects were 60 adolescents, 13-19 years old (40 with BD and 20 healthy controls [HCs]). Semistructured interviews determined diagnoses based on DSM-IV...
February 14, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28198536/prevalence-of-risk-factors-and-asymptomatic-carotid-atherosclerosis-in-diabetic-patients-screened-for-silent-myocardial-ischemia-by-spect-myocardial-imaging
#16
Irena Peovska Mitevska, Natalija Baneva, Marijan Bosevski, Elizabeta Srbinovska Kostovska
BACKGROUND: The aim of the study was to evaluate whether there is any association between myocardial ischemia, common risk factors and carotid artery ultrasound parameters in asymptomatic type 2 diabetic (DMT2) patients. MATERIAL AND METHODS: 60 asymptomatic DMT2 patients (pts) without known coronary artery disease (CAD) underwent one day rest Dypiridamole stress Tc-99m sestamibi single photon emission computed tomography myocardial perfusion scintigraphy (MPS)...
2017: Nuclear Medicine Review. Central & Eastern Europe
https://www.readbyqxmd.com/read/28196817/comparison-of-carotid-plaque-score-and-coronary-artery-calcium-score-for-predicting-cardiovascular-disease-events-the-multi-ethnic-study-of-atherosclerosis
#17
Adam D Gepner, Rebekah Young, Joseph A Delaney, Matthew J Budoff, Joseph F Polak, Michael J Blaha, Wendy S Post, Erin D Michos, Joel Kaufman, James H Stein
BACKGROUND: Coronary artery calcium (CAC) predicts coronary heart disease (CHD) events better than carotid wall plaque presence; however, differences in the utility of CAC burden and carotid plaque burden across the spectrum of cardiovascular disease (CVD) events is unknown. METHODS AND RESULTS: CVD, CHD and stroke/transient ischemic attack (TIA) events were evaluated prospectively in a multiethnic cohort without CVD at baseline. Carotid plaque score was determined by the number of ultrasound-detected plaques in the common, bifurcation, and internal carotid artery segments...
February 14, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28195518/low-salivary-resolvin-d1-to-leukotriene-b4-ratio-predicts-carotid-intima-media-thickness-a-novel-biomarker-of-non-resolving-vascular-inflammation
#18
Silke Thul, Carlos Labat, Mohamed Temmar, Athanase Benetos, Magnus Bäck
Background Different lipid mediators may have opposing effects on vascular inflammation. For example, whereas leukotriene B4 (LTB4) transduces inflammation, resolvin D1 (RvD1), which is synthesized from the omega-3 fatty acid docosahexaenoic acid, facilitates the resolution of inflammation. The aim of this study was to determine the association of the RvD1/LTB4 ratio with subclinical atherosclerosis. Methods Saliva samples and ultrasound measurements of the intima media thickness of the carotid artery was obtained for 254 participants...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28190714/carotid-endarterectomy-should-not-be-based-on-consensus-statement-duplex-velocity-criteria
#19
Jesse A Columbo, Bjoern D Suckow, Claire L Griffin, Jack L Cronenwett, Philip P Goodney, Timothy G Lukovits, Robert M Zwolak, Mark F Fillinger
OBJECTIVE: Randomized trials support carotid endarterectomy (CEA) in asymptomatic patients with ≥60% internal carotid artery (ICA) stenosis. The widely referenced Society for Radiologists in Ultrasound Consensus Statement on carotid duplex ultrasound (CDUS) imaging indicates that an ICA peak systolic velocity (PSV) ≥230 cm/s corresponds to a ≥70% ICA stenosis, leading to the potential conclusion that asymptomatic patients with an ICA PSV ≥230 cm/s would benefit from CEA. Our goal was to determine the natural history stroke risk of asymptomatic patients who might have undergone CEA based on consensus statement PSV of ≥230 cm/s but instead were treated medically based on more conservative CDUS imaging criteria...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28190616/plasma-levels-of-vasostatin-1-a-chromogranin-a-fragment-are-associated-with-carotid-artery-maximum-stenosis-a-pilot-study
#20
Tiziana Bachetti, Alberto Ferrari Bardile, Teresa Lucia Aloi, Barbara Colombo, Emma Assi, Giuseppina Savino, Andrea Vercelli, Roberto Colombo, Angelo Corti
BACKGROUND: Chromogranin A (CgA), a circulating protein released by the neuroendocrine system, can regulate vascular physiology and angiogenesis. Full-length CgA (CgA1-439) and its fragment CgA1-76 (called vasostatin-1, VS-1) preserve the physiological integrity of the endothelial barrier function and are antiangiogenic, whereas CgA1-373 is proangiogenic. We investigated whether these polypeptides are altered in patients with various degrees of carotid artery atherosclerosis. METHODS: We studied 81 patients with carotid artery atherosclerosis, asymptomatic for cerebrovascular diseases...
February 6, 2017: International Journal of Cardiology
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