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Atherosclerosis in carotid arteries

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https://www.readbyqxmd.com/read/28092279/association-between-long-term-blood-pressure-control-and-ten-year-progression-in-carotid-arterial-stiffness-among-hypertensive-individuals-the-multiethnic-study-of-atherosclerosis
#1
Yacob G Tedla, Adam D Gepner, Dhananjay Vaidya, Laura Colangelo, James H Stein, Kiang Liu, Philip Greenland
BACKGROUND: Arterial stiffness was shown to be higher among hypertensive patients with diabetes than those without diabetes and among older than younger hypertensive patients. We examined whether the association between long-term blood pressure (BP) control and 10-year progression in carotid arterial stiffness varies by diabetes status and age. METHODS: Participants were 906 individuals with hypertension at baseline and three follow-up visits in the Multi-Ethnic Study of Atherosclerosis (mean age 63...
January 13, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28088807/posterior-versus-anterior-circulation-stroke-in-young-adults-a-comparative-study-of-stroke-aetiologies-and-risk-factors-in-stroke-among-young-fabry-patients-sifap1
#2
Bettina von Sarnowski, Ulf Schminke, Ulrike Grittner, Christian Tanislav, Tobias Böttcher, Michael G Hennerici, Turgut Tatlisumak, Jukka Putaala, Manfred Kaps, Franz Fazekas, Christian Enzinger, Arndt Rolfs, Christof Kessler
BACKGROUND: Although 20-30% of all strokes occur in the posterior circulation, few studies have explored the characteristics of patients with strokes in the posterior compared to the anterior circulation so far. Especially data on young patients is missing. METHODS: In this secondary analysis of data of the prospective multi-centre European sifap1 study that investigated stroke and transient ischemic attack (TIA) patients aged 18-55 years, we compared vascular risk factors, stroke aetiology, presence of white matter hyperintensities (WMH) and cerebral microbleeds (CMB) between patients with ischaemic posterior circulation stroke (PCS) and those having suffered from anterior circulation stroke (ACS) based on cerebral MRI...
January 14, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28087176/carotid-plaque-detection-improves-the-predictive-value-of-cha2ds2-vasc-score-in-patients-with-non-valvular-atrial-fibrillation-the-arapacis-study
#3
Stefania Basili, Lorenzo Loffredo, Daniele Pastori, Marco Proietti, Alessio Farcomeni, Anna Rita Vestri, Pasquale Pignatelli, Giovanni Davì, William R Hiatt, Gregory Y H Lip, Gino R Corazza, Francesco Perticone, Francesco Violi
BACKGROUND AND AIMS: Vascular disease (VD), as assessed by history of myocardial infarction or peripheral artery disease or aortic plaque, increases stroke risk in atrial fibrillation (AF), and is a component of risk assessment using the CHA2DS2-VASc score. We investigated if systemic atherosclerosis as detected by ultrasound carotid plaque (CP) could improve the predictive value of the CHA2DS2-VASc score. METHODS: We analysed data from the ARAPACIS study, an observational study including 2027 Italian patients with non-valvular AF, in whom CP was detected using Doppler Ultrasonography...
January 4, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28078510/relationship-between-framingham-risk-score-and-subclinical-atherosclerosis-in-carotid-plaques-an-in-vivo-study-using-multi-contrast-mri
#4
Feiyu Li, Xiaoying Wang
The assessment and management of early-stage atherosclerosis are important for the prevention of cardiovascular disease (CVD). In this study, we used multi-contrast magnetic resonance imaging (MRI) to investigate the carotid plaque feature in asymptomatic, at-risk subjects; we also evaluated the correlation between MRI findings and Framingham risk score (FRS). One hundred sixty-six asymptomatic individuals with risk factors for CVD underwent multi-contrast MRI. After the arterial morphology and plaque components were outlined, the differences in carotid plaque burden among the various risk categories were analyzed...
January 4, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28073026/the-role-of-visfatin-in-atherosclerotic-peripheral-arterial-obstructive-disease
#5
Matthaios G Pitoulias, Lemonia Skoura, Apostolos G Pitoulias, Dimitris Chatzidimitriou, Apostolia Margariti, Minas Arsenakis, Georgios A Pitoulias
Visfatin is an adipokine molecule acting as an essential coenzyme in multiple cellular redox reactions. The increased serum levels of Visfatin have been correlated with metabolic syndrome and endothelial homeostasis. In this study we investigate the possible relationship of Visfatin serum levels with the severity and location of atherosclerotic peripheral arterial occlusive disease (PAOD). Study protocol included 45 consecutive PAOD and 20 Control patients with age >55years old. Definition of PAOD was based in Rutherord's classification (RC)...
January 7, 2017: Cytokine
https://www.readbyqxmd.com/read/28067320/relationship-between-frequency-of-hypoglycemic-episodes-and-changes-in-carotid-atherosclerosis-in-insulin-treated-patients-with-type-2-diabetes-mellitus
#6
Tomoya Mita, Naoto Katakami, Toshihiko Shiraiwa, Hidenori Yoshii, Nobuichi Kuribayashi, Takeshi Osonoi, Hideaki Kaneto, Keisuke Kosugi, Yutaka Umayahara, Masahiko Gosho, Iichiro Shimomura, Hirotaka Watada
The effect of hypoglycemia on the progression of atherosclerosis in patients with type 2 diabetes mellitus (T2DM) remains largely unknown. This is a post hoc analysis of a randomized trial to investigate the relationship between hypoglycemic episodes and changes in carotid intima-media thickness (IMT). Among 274 study subjects, 104 patients experienced hypoglycemic episodes. Increases in the mean IMT and left maximum IMT of the common carotid arteries (CCA) were significantly greater in patients with hypoglycemia compared to those without hypoglycemia...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28062540/adiponectin-association-with-t-cadherin-protects-against-neointima-proliferation-and-atherosclerosis
#7
Yuya Fujishima, Norikazu Maeda, Keisuke Matsuda, Shigeki Masuda, Takuya Mori, Shiro Fukuda, Ryohei Sekimoto, Masaya Yamaoka, Yoshinari Obata, Shunbun Kita, Hitoshi Nishizawa, Tohru Funahashi, Barbara Ranscht, Iichiro Shimomura
Adiponectin, an adipocyte-derived protein abundant in the circulation, is thought to be protective against atherosclerosis. However, it is not fully understood how the association of adiponectin with vascular cells and its antiatherogenic effect are connected. In this study, T-cadherin was essential for accumulation of adiponectin in the neointima and atherosclerotic plaque lesions, and the adiponectin-T-cadherin association protected against vascular injury. In the apolipoprotein E-knockout (ApoE-KO) mice, adiponectin, and T-cadherin colocalized on endothelial cells and synthetic smooth muscle cells in the aortic intima...
January 6, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28062501/p2y12-promotes-migration-of-vascular-smooth-muscle-cells-through-cofilin-dephosphorylation-during-atherogenesis
#8
Xuan Niu, Shu-Lan Pi, Suraj Baral, Yuan-Peng Xia, Quan-Wei He, Ya-Nan Li, Hui-Juan Jin, Man Li, Meng-Die Wang, Ling Mao, Bo Hu
OBJECTIVE: P2Y12 is a well-recognized receptor expressed on platelets and the target of thienopyridine-type antiplatelet drugs. However, recent evidence suggests that P2Y12 expressed in vessel wall plays a role in atherogenesis, but the mechanisms remain elusive. In this study, we examined the molecular mechanisms of how vessel wall P2Y12 mediates vascular smooth muscle cells (VSMCs) migration and promotes the progression of atherosclerosis. APPROACH AND RESULTS: Using a high-fat diet-fed ApoE knockout mice model, we found that the expression of P2Y12 in VSMCs increased in a time-dependent manner and had a linear relationship with the plaque area...
January 5, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28062499/role-of-kca3-1-channels-in-macrophage-polarization-and-its-relevance-in-atherosclerotic-plaque-instability
#9
Rende Xu, Chenguang Li, Yizhe Wu, Li Shen, Jianying Ma, Juying Qian, Junbo Ge
OBJECTIVE: Emerging evidence indicates that proinflammatory macrophage polarization imbalance plays a key role in atherosclerotic plaque progression and instability. The calcium-activated potassium channel KCa3.1 is critically involved in macrophage activation and function. However, the role of KCa3.1 in macrophage polarization is unknown. This study investigates the potential role of KCa3.1 in transcriptional regulation in macrophage polarization and its relationship to plaque instability...
December 29, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28062141/reduced-subclinical-carotid-vascular-disease-and-arterial-stiffness-in-vegetarian-men-the-carvos-study
#10
Julio Acosta-Navarro, Luiza Antoniazzi, Adriana Midori Oki, Maria Carlos Bonfim, Valeria Hong, Pedro Acosta-Cardenas, Celia Strunz, Eleonora Brunoro, Marcio Hiroshi Miname, Wilson Salgado Filho, Luiz Aparecido Bortolotto, Raul D Santos
BACKGROUND: Dietary habits play an important role in the development of atherosclerosis, the most important cause of morbidity and mortality in the world. The objective of this study was to verify if vegetarian (VEG) diet could be related a better profile of subclinical vascular disease evaluated by arterial stiffness and functional and structural properties of carotid arteries, compared to omnivorous (OMN) diet. METHODS: In this cross-sectional study, 44 VEG and 44 OMN apparently healthy men ≥35years of age, in order to not have confounding risk factors of subclinical atherosclerosis, were assessed for anthropometric data, blood pressure, blood lipids, glucose, C reactive protein (CRP), and arterial stiffness determined by carotid-femoral pulse wave velocity (PWV)...
December 20, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28060941/computed-tomographic-distinction-of-intimal-and-medial-calcification-in-the-intracranial-internal-carotid-artery
#11
Remko Kockelkoren, Annelotte Vos, Wim Van Hecke, Aryan Vink, Ronald L A W Bleys, Daphne Verdoorn, Willem P Th M Mali, Jeroen Hendrikse, Huiberdina L Koek, Pim A de Jong, Jill B De Vis
BACKGROUND: Intracranial internal carotid artery (iICA) calcification is associated with stroke and is often seen as a proxy of atherosclerosis of the intima. However, it was recently shown that these calcifications are predominantly located in the tunica media and internal elastic lamina (medial calcification). Intimal and medial calcifications are thought to have a different pathogenesis and clinical consequences and can only be distinguished through ex vivo histological analysis. Therefore, our aim was to develop CT scoring method to distinguish intimal and medial iICA calcification in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28059143/influence-of-coronary-artery-disease-and-subclinical-atherosclerosis-related-polymorphisms-on-the-risk-of-atherosclerosis-in-rheumatoid-arthritis
#12
Raquel López-Mejías, Alfonso Corrales, Esther Vicente, Montserrat Robustillo-Villarino, Carlos González-Juanatey, Javier Llorca, Fernanda Genre, Sara Remuzgo-Martínez, Trinidad Dierssen-Sotos, José A Miranda-Filloy, Marco A Ramírez Huaranga, Trinitario Pina, Ricardo Blanco, Juan J Alegre-Sancho, Enrique Raya, Verónica Mijares, Begoña Ubilla, Iván Ferraz-Amaro, Carmen Gómez-Vaquero, Alejandro Balsa, Francisco J López-Longo, Patricia Carreira, Isidoro González-Álvaro, J Gonzalo Ocejo-Vinyals, Luis Rodríguez-Rodríguez, Benjamín Fernández-Gutiérrez, Santos Castañeda, Javier Martín, Miguel A González-Gay
A genetic component influences the development of atherosclerosis in the general population and also in rheumatoid arthritis (RA). However, genetic polymorphisms associated with atherosclerosis in the general population are not always involved in the development of cardiovascular disease (CVD) in RA. Accordingly, a study in North-American RA patients did not show the association reported in the general population of coronary artery disease with a series of relevant polymorphisms (TCF21, LPA, HHIPL1, RASD1-PEMT, MRPS6, CYP17A1-CNNM2-NT5C2, SMG6-SRR, PHACTR1, WDR12 and COL4A1-COL4A2)...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28056529/anterior-tragal-crease-is-associated-with-atherosclerosis
#13
Pawinee Rerknimitr, Korbkarn Pongpairoj, Chanat Kumtornrat, Ratchathorn Panchaprateep, Cameron P Hurst, Aurauma Chutinet, Pravit Asawanonda, Nijasri C Suwanwela
The utility of the ear crease sign, anterior tragal crease (ATC), as a marker of atherosclerosis is yet to be established. The intima-media thickness of the common carotid artery (IMT-CCA) has been used as a noninvasive surrogate marker for atherosclerosis. History of traditional risk factors for atherosclerosis was obtained from 147 volunteers; ear examination was also performed and venous blood was drawn for laboratory analysis. The volunteers then underwent an ultrasonography measurement of the IMT-CCA. In univariate analysis, presence of ATC, age, underlying hypertension, diabetes mellitus, ischemic heart disease, cerebrovascular disease, cigarette smoking, low-density lipoprotein, and high-sensitivity C-reactive protein were significantly associated with the IMT-CCA...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28049936/high-pulse-wave-velocity-has-a-strong-impact-on-early-carotid-atherosclerosis-in-a-japanese-general-male-population
#14
Takuro Kubozono, Masaaki Miyata, Shin Kawasoe, Satoko Ojima, Shiro Yoshifuku, Hironori Miyahara, Shigeho Maenohara, Mitsuru Ohishi
BACKGROUND: Although there have been several reports on the risk factors associated with intima-media thickness (IMT), many questions remain. The purpose of this study was to investigate the association between IMT and cardiovascular risk factors in a Japanese general population.Methods and Results:The study group consisted of 1,583 male subjects undergoing routine health checkups. IMT of the common carotid artery was measured by high-resolution ultrasonography. Brachial-ankle pulse wave velocity (baPWV) was measured using an automated device...
December 29, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28049199/systemic-atherosclerosis-relate-to-brain-arterial-diameters-the-northern-manhattan-study
#15
Jose Gutierrez, Tatjana Rundek, Ken Cheung, Ahmet Bagci, Noam Alperin, Ralph L Sacco, Clinton B Wright, Mitchell S V Elkind, Marco R Di Tullio
BACKGROUND: Phenotypic expressions of arterial disease vary throughout the body and it is not clear to what extent systemic atherosclerosis influences brain arterial remodeling. We aim to test the hypothesis that systemic atherosclerosis is associated with brain arterial diameters. METHODS: Stroke-free participants in the Northern Manhattan Study MRI subcohort in whom carotid ultrasound, transthoracic echocardiogram, and brain MRA (n = 482) were performed were included in this analysis...
January 4, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28043217/modulation-of-carotid-strain-by-statin-therapy-in-atherosclerosis-patients
#16
Christian Alexander Schaefer, Anna Katharina Blatzheim, Sebastian Gorgonius Passon, Kristin Solveig Pausewang, Nadjib Schahab, Georg Nickenig, Dirk Skowasch, Robert Schueler, Christoph Hammerstingl, Simon Pingel
BACKGROUND: The beneficial effect of statin therapy on the progress of atherosclerotic disease has been demonstrated by numerous studies. Vascular strain imaging is an arising method to evaluate arterial stiffness. Our study examined whether an influence of statin therapy on the vessel wall could be detected by vascular strain imaging. PATIENTS AND METHODS: 88 patients with recently detected atherosclerosis underwent an angiological examination including ankle-brachial index (ABI), pulse wave index (PWI), central puls ewave velocity and duplex ultrasound...
January 3, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28040783/polygenic-control-of-carotid-atherosclerosis-in-a-balb-cj-x-sm-j-intercross-and-a-combined-cross-involving-multiple-mouse-strains
#17
Andrew T Grainger, Michael B Jones, Mei-Hua Chen, Weibin Shi
Atherosclerosis in the carotid arteries is a major cause of ischemic stroke, which accounts for 85% of all stroke cases. Genetic factors contributing to carotid atherosclerosis remain poorly understood. The aim of this study was to identify chromosomal regions harboring genes contributing to carotid atherosclerosis in mice. 228 female F2 mice were generated from an intercross between BALB/cJ (BALB) and SM/J (SM) apolipoprotein E-deficient (Apoe(-/-)) mice and fed 12 weeks of western diet. Atherosclerotic lesion sizes in the left carotid artery were quantified...
December 30, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28036158/premature-atherosclerosis-in-systemic-sclerosis-patients-its-relation-to-disease-parameters-and-to-traditional-risk-factors
#18
Manal M Sedky Abdou, Soha M El Desouky, Khaled M Helmy El Kaffas, Abeer M Ahmed Hassan
AIM: To detect premature atherosclerosis in systemic sclerosis (SSc) patients and its relation to disease parameters and traditional risk factors. METHOD: This study included 40 SSc patients and 40 healthy age and sex matched controls. All patients were subjected to full history taking, clinical examination, relevant laboratory and radiological investigations. Doppler ultrasonography (US) of the common carotid was performed to measure intima-media thickness (ccIMT) and Doppler US of the brachial artery was performed to measure flow mediated dilatation (FMD)...
December 30, 2016: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28027739/intracranial-arterial-wall-enhancement-using-gadolinium-enhanced-3d-black-blood-t1-weighted-imaging
#19
Koichi Takano, Kosuke Hida, Yasuo Kuwabara, Kengo Yoshimitsu
PURPOSE: We investigated the enhancement of the intracranial arterial walls with gadolinium-enhanced, black-blood three-dimensional T1-weighted imaging (Gd-3DBB) by using an improved motion-sensitized driven-equilibrium (iMSDE)-prepared volumetric isotropic turbo spin-echo acquisition (VISTA). METHODS: A total of 115 patients underwent FLAIR, 3D-TOF-MRA and Gd-3DBB with a 1.5-T scanner. The degree and distribution of the arterial wall enhancement on Gd-3DBB was assessed...
January 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28017911/apelin-concentrations-are-associated-with-altered-atherosclerotic-plaque-stability-mediator-levels-and-atherosclerosis-in-rheumatoid-arthritis
#20
Sule Gunter, Ahmed Solomon, Linda Tsang, Angela J Woodiwiss, Chanel Robinson, Aletta M E Millen, Gavin R Norton, Patrick H Dessein
BACKGROUND AND AIMS: Apelin-APJ signaling reduces cardiovascular disease (CVD) risk. In rheumatoid arthritis (RA), the atherosclerosis burden and plaque vulnerability to rupture are increased. We explored relationships between apelin concentrations and subclinical CVD in RA. METHODS: Apelin levels were measured in 235 (114 black, 121 white) RA patients. Associations between apelin concentrations and ultrasound determined carotid artery intima-media thickness (cIMT) and plaque, and levels of matrix metalloproteinase (MMP)-2 and -9 that mediate plaque stability and vulnerability respectively, were identified in confounder adjusted multivariate regression analysis...
November 24, 2016: Atherosclerosis
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