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Atherosclerosis in carotid arteries

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https://www.readbyqxmd.com/read/29779142/arousal-index-as-a-marker-of-carotid-artery-atherosclerosis-in-patients-with-obstructive-sleep-apnea-syndrome
#1
Mayumi Suzuki, Ken Shimamoto, Haruki Sekiguchi, Takamitsu Harada, Natsumi Satoya, Yuji Inoue, Kazuhiro Yamaguchi, Masatoshi Kawana
PURPOSE: It was shown in a previous cohort study that men with internal carotid artery (ICA) plaque, defined as focal wall thickness of ≥ 1.5 mm, had a threefold higher risk of stroke than those without plaque. We examined the relationship between arousal indices and sleep stages in patients with obstructive sleep apnea syndrome (OSAS) and carotid atherosclerosis. METHODS: Carotid atherosclerosis severity was evaluated using the maximal carotid wall intima-media thickness of the ICA (ICA-maxIMT) and plaque in 83 patients with OSAS...
May 19, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29778949/association-between-hyperhomocysteinemia-and-metabolic-syndrome-with-early-carotid-artery-atherosclerosis-a-cross-sectional-study-in-middle-aged-chinese-population
#2
Chengguo Liu, Xiaohui Sun, Hanli Lin, Ruizhi Zheng, Liansheng Ruan, Zhanhang Sun, Yimin Zhu
OBJECTIVES: Homocysteine is a modifiable, independent risk factor for cardiovascular disease. The association between hyperhomocysteinemia and metabolic syndrome with the presence of early carotid artery atherosclerosis remains unknown in middle-aged Chinese adults. METHODS: Chinese adults (n = 1607) of Han ethnicity, age 35 to 65 y, and living in their communities >2 y were surveyed. Hyperhomocysteinemia was defined as homocysteine concentrations >15 µmol/L...
March 21, 2018: Nutrition
https://www.readbyqxmd.com/read/29773990/atorvastatin-inhibits-inflammatory-response-attenuates-lipid-deposition-and-improves-the-stability-of-vulnerable-atherosclerotic-plaques-by-modulating-autophagy
#3
Shi Peng, Long-Wei Xu, Xin-Yu Che, Qing-Qing Xiao, Jun Pu, Qin Shao, Ben He
Atherosclerosis is a chronic disease comprising intima malfunction and arterial inflammation. Recent studies have demonstrated that autophagy could inhibit inflammatory response in atherosclerosis and exert subsequent atheroprotective effects. Our previous study also demonstrated the role of autophagy in the inhibition of inflammation by atorvastatin in vitro . Therefore, in the present study, we aimed to determine whether atorvastatin could upregulate autophagy to inhibit inflammatory cytokines secretion, lipid accumulation, and improve vulnerable plaque stability, both in vitro and in vivo ...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29770736/carotid-artery-stenosis-screening-where-are-we-now
#4
Rebecca Mortimer, Subramanian Nachiappan, David C Howlett
Stroke poses a significant burden on healthcare and is the second largest cause of death globally. Both medical and surgical interventions to reduce the risk of stroke in asymptomatic patients have been shown to be effective but identifying the target at risk population is more problematic. Screening for carotid artery stenosis offers one pathway for this, as there is some correlation between risk of stroke and extent of stenosis. Identification of patients who are at risk of cardiovascular disease as well as stroke, allows initiation of effective medical treatment of modifiable risk factors to address this risk...
May 17, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29770267/role-of-noninvasive-imaging-of-cerebral-arterial-system-in-ischemic-stroke-comparison-of-transcranial-color-coded-doppler-sonography-with-magnetic-resonance-angiography
#5
Betty Simon, Sunithi Elizabeth Mani, Shyamkumar Nidugala Keshava, Mathew Alexander, Sanjith Aaron
Aim: To determine the accuracy of transcranial color-coded Doppler sonography (TCCS) in the evaluation of cerebral arterial system in patients with ischemic stroke attending a tertiary care hospital in South India. Objectives: (1) To describe the topographical distribution of atherosclerotic lesions in the cerebral circulation in patients presenting with ischemic stroke from the Indian subcontinent and (2) to determine the accuracy of TCCS for detection and quantification of intracranial stenoses in various segments of the intracerebral arterial system in comparison with magnetic resonance angiography (MRA)...
2018: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/29766804/cyclophilin-a-a-predictive-biomarker-of-carotid-stenosis-in-cerebral-ischemic-stroke
#6
Chen-Shu Chang, Shih-Li Su, Chen-Ling Kuo, Ching-Shan Huang, Wan-Min Tseng, Song-Shei Lin, Chin-San Liu
BACKGROUND: Cyclophilin A plays a pathogenic role in the development and progression of atherosclerosis, which can be assessed by measuring carotid intima-media thickness. The primary aim of this study was to examine the interaction between plasma Cyclophilin A level and carotid intima-media thickness in patients with acute ischemic stroke. METHOD: Plasma concentration of Cyclophilin A was measured on admission in 66 consecutive patients who had been hospitalized for acute cerebral stroke and in 52 case-control subjects without a history of acute stroke...
May 16, 2018: Current Neurovascular Research
https://www.readbyqxmd.com/read/29763709/fenofibrate-effects-on-carotid-artery-intima-media-thickness-in-adults-with-type-2-diabetes-mellitus-a-field-substudy
#7
Jason A Harmer, Anthony C Keech, Anne-Sophie Veillard, Michael R Skilton, Gerald F Watts, David S Celermajer
AIM: Dyslipidemia in type 2 diabetes contributes to an increased risk of cardiovascular disease. Fenofibrate, a lipid-regulating peroxisome proliferator-activated receptor-α (PPARα) agonist, has been shown to reduce vascular complications in adults with type 2 diabetes. The mechanisms for such benefit, however, are not yet well understood. We examined the effects of fenofibrate on carotid intima-media thickness (IMT), a marker of subclinical atherosclerosis, in adults with type 2 diabetes...
May 12, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29762755/obstructive-sleep-apnea-during-rem-sleep-is-associated-with-early-signs-of-atherosclerosis-in-women
#8
Mirjam Ljunggren, Eva Lindberg, Karl A Franklin, Patrik Öhagen, Marita Larsson, Jenny Theorell-Haglöw, Tord Naessén
Study Objectives: While obstructive sleep apnea (OSA) is associated with overall cardiovascular disease and mortality, the association with atherosclerotic cardiovascular disease is less clear, especially in women. Recently, it has been suggested that OSA during REM sleep, associated with long apneas and deep desaturations, could have severe cardio-metabolic consequences. The aim of this study was to investigate whether OSA during REM sleep is associated with early signs of atherosclerosis in a population-based sample of women...
May 14, 2018: Sleep
https://www.readbyqxmd.com/read/29761548/variation-of-carotid-intima-media-thickness-with-body-mass-index-in-healthy-adults-of-black-african-descent
#9
Adesola Abiodun Asaleye, Kolawole Thomas Braimoh, Olalekan Ibukun Oyinloye, Christianah Mopelola Asaleye, Adeleye Dorcas Omisore
OBJECTIVES: Studies have shown that common carotid intima media thickness (CIMT) measured by B-mode sonography increases with body mass index (BMI) among subjects with cardiovascular diseases in different populations. However, association of body fat and subclinical atherosclerosis in the absence of these cardiovascular diseases is understudied. We aimed to evaluate the correlation between BMI and CIMT in a healthy adult population of black African ancestry. METHODS: This is a cross-sectional prospective study in 300 consecutive apparently healthy subjects aged 18 to 70 years without history of hypertension, dyslipidemia, diabetes mellitus, and renal disease...
May 15, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29754909/serum-pcsk9-levels-predict-the-occurrence-of-acute-coronary-syndromes-in-patients-with-severe-carotid-artery-stenosis
#10
Luca Liberale, Federico Carbone, Maria Bertolotto, Aldo Bonaventura, Alessandra Vecchié, François Mach, Fabienne Burger, Aldo Pende, Giovanni Spinella, Bianca Pane, Giovanni G Camici, Domenico Palombo, Franco Dallegri, Fabrizio Montecucco
BACKGROUND: The pharmacological inhibition of Proprotein Convertase Subtilisin/Kexin type 9 (PCSK9) has shown to dramatically impact on low-density lipoprotein-cholesterol (LDL-C) levels and associated cardiovascular (CV) diseases. However, the potential use of PCSK9 serum levels as a CV risk biomarker remains to be clarified. METHODS: 189 patients with severe carotid artery atherosclerosis undergoing carotid endarterectomy (CEA) and whose clinical records and serum sample aliquots for PCSK9 level measurement were available both directly before CEA and at 24-month follow-up were included in the present pilot study...
July 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29752816/relation-between-age-and-carotid-artery-intima-medial-thickness-a-systematic-review
#11
REVIEW
Inge C L van den Munckhof, Helen Jones, Maria T E Hopman, Jacqueline de Graaf, Jean Nyakayiru, Bart van Dijk, Thijs M H Eijsvogels, Dick H J Thijssen
Carotid artery intima-medial thickness (cIMT) represents a popular measure of atherosclerosis and is predictive of future cardiovascular and cerebrovascular events. Although older age is associated with a higher cIMT, little is known about whether this increase in cIMT follows a linear relationship with age or it is affected under influence of cardiovascular diseases (CVD) or CVD risk factors. We hypothesize that the relationship between cIMT and age is nonlinear and is affected by CVD or risk factors. A systematic review of studies that examined cIMT in the general population and human populations free from CVD/risk factors was undertaken...
May 12, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29751286/the-prevalence-and-correlates-of-subclinical-atherosclerosis-among-adults-with-low-density-lipoprotein-cholesterol-70-mg-dl-the-multi-ethnic-study-of-atherosclerosis-mesa-and-brazilian-longitudinal-study-of-adult-health-elsa-brasil
#12
Mahmoud Al Rifai, Seth S Martin, John W McEvoy, Khurram Nasir, Ron Blankstein, Joseph Yeboah, Michael Miedema, Steven J Shea, Joseph F Polak, Pamela Ouyang, Roger S Blumenthal, Marcio Bittencourt, Isabela Bensenor, Raul D Santos, Bruce B Duncan, Itamar S Santos, Paulo A Lotufo, Michael J Blaha
BACKGROUND AND AIMS: The prevalence and correlates of subclinical atherosclerosis when low-density lipoprotein cholesterol (LDL-C) levels are low remain unclear. Therefore, we examined the association of cardiovascular risk factors and subclinical atherosclerosis among individuals with untreated LDL-C <70 mg/dL. METHODS: We included participants from the Multi-Ethnic Study of Atherosclerosis (MESA) and the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) cohorts...
April 28, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29751282/sleep-duration-and-subclinical-atherosclerosis-the-aragon-workers-health-study
#13
Elena Blasco-Colmenares, Belén Moreno-Franco, Montserrat León Latre, Eusebio Mur-Vispe, Miguel Pocovi, Estíbaliz Jarauta, Fernando Civeira, Martín Laclaustra, José A Casasnovas, Eliseo Guallar
BACKGROUND AND AIMS: Few studies have evaluated the association of sleep duration with subclinical atherosclerosis, and with heterogeneous findings. We evaluated the association of sleep duration with the presence of coronary, carotid, and femoral subclinical atherosclerosis in healthy middle-age men with low prevalence of clinical comorbidities. METHODS: We performed a cross-sectional analysis of 1968 men, 40-60 years of age, participating in the Aragon Workers' Health Study (AWHS)...
May 3, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29749484/lysophosphatidic-acid-enhances-neointimal-hyperplasia-following-vascular-injury-through-modulating-proliferation-autophagy-inflammation-and-oxidative-stress
#14
Xuhui Shen, Jianjun Zou, Fuyong Li, Tianhe Zhang, Tongqi Guo
Lysophosphatidic acid (LPA), which is one of the intermediate products of membrane phospholipid metabolism, is a bioactive phospholipid that possesses diverse activities. In the present study, the effects of LPA on neointimal formation following vascular injury were investigated. A carotid artery balloon injury model was employed in the present study, and following vascular injury, rats received an intraperitoneal injection of 1 mg/kg LPA. Subsequently, histopathological alterations were assessed by hematoxylin and eosin staining, the expression levels of proliferating cell nuclear antigen (PCNA) were detected by immunohistochemistry, apoptosis was assessed via a terminal deoxynucleotidyl transferase‑mediated dUTP nick end labeling assay, and the expression levels of apoptosis‑associated and autophagy‑associated proteins were detected by western blotting...
April 27, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29749361/risk-factors-for-ruptured-intracranial-aneurysms
#15
Guang-Xian Wang, Dong Zhang, Zhi-Ping Wang, Liu-Qing Yang, Hua Yang, Wen Li
Background & objectives: The treatment of unruptured intracranial aneurysms (IAs) remains controversial; the ability to predict the risk of rupture for an aneurysm would be of clinical value. The aim of this study was to determine and evaluate the predictive value of the risk factors of IA rupture. Methods: This retrospective study involved 379 consecutive patients with 441 aneurysms between August 2011 and July 2014. Based on clinical data and computed tomography angiography findings, the potential of risk factors to predict the aneurysmal rupture was assessed using statistical methods...
January 2018: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29747638/relations-of-lipid-parameters-other-variables-with-carotid-intima-media-thickness-and-plaque-in-the-general-chinese-adults-an-observational-study
#16
Qingtao Hou, Sheyu Li, Yun Gao, Haoming Tian
BACKGROUND: It has been reported that non-high-density lipoprotein cholesterol (non-HDL-C) and lipid ratios, including total cholesterol (TC) / high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) / HDL-C, are better predictors for atherosclerosis than conventional lipid profiles. However, there have been few studies comparing the predictive values of different lipid parameters for early atherosclerosis. The aim of this study was to determine the relevant factors of carotid intima-media thickness (IMT) and plaque in the general Chinese adults and analyze the predictive values of different lipid parameters for carotid IMT and plaque...
May 10, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29744621/carotid-artery-intima-media-thickness-measurement-in-children-with-normal-and-increased-body-mass-index-a-comparison-of-three-techniques
#17
Ramy El Jalbout, Guy Cloutier, Marie-Hélène Roy Cardinal, Mélanie Henderson, Chantale Lapierre, Gilles Soulez, Josée Dubois
BACKGROUND: Common carotid artery intima-media thickness is a marker of subclinical atherosclerosis. In children, increased intima-media thickness is associated with obesity and the risk of cardiovascular events in adulthood. OBJECTIVE: To compare intima-media thickness measurements using B-mode ultrasound, radiofrequency (RF) echo tracking, and RF speckle probability distribution in children with normal and increased body mass index (BMI). MATERIALS AND METHODS: We prospectively measured intima-media thickness in 120 children randomly selected from two groups of a longitudinal cohort: normal BMI and increased BMI, defined by BMI ≥85th percentile for age and gender...
May 9, 2018: Pediatric Radiology
https://www.readbyqxmd.com/read/29741228/sle-patients-show-an-increased-arterial-stiffness-that-is-predicted-by-igm-anti-%C3%A3-2-glycoprotein-i-and-small-dense-hdl-particles
#18
Sandra Parra, Miguel Lopez-Dupla, Daiana Ibarretxe, Mercedes de Las Heras, Nuria Amigó, Alba Català, Marc Benavent, Esperanza Garcés, Alvaro Navarro, Antoni Castro
BACKGROUND: Patients with systemic lupus erythematous (SLE) show increased cardiovascular mortality and morbidity. The accelerated atherosclerosis observed in SLE patients has been measured by the carotid intima media thickness (c-IMT) and functional vascular tests, such as the arterial stiffness that occurs before plaque formation. AIMS: To investigate the metabolic and immunological factors associated with the presence of central arterial stiffness measured by the augmentation index (AIx)...
May 9, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29740051/the-polymorphism-rs6918289-located-in-the-downstream-region-of-the-trem2-gene-is-associated-with-tnf-%C3%AE-levels-and-imt-f
#19
Vesna Gorenjak, Alex-Ander Aldasoro Arguinano, Sébastien Dadé, Maria G Stathopoulou, Dwaine R Vance, Christine Masson, Sophie Visvikis-Siest
Triggering receptor expressed on myeloid cells 2 (TREM2) is known for its anti-inflammatory properties during the immune response, and influences negatively on TNF-α expression levels. Genetic epidemiology studies have identified polymorphisms located in the TREM2 gene associated with neurodegenerative and chronic inflammatory diseases. TREM2 levels have been observed to affect plasma levels of TNF-α and plaque stability in symptomatic and asymptomatic patients with carotid stenosis. In this study, we investigated polymorphisms located in the TREM2 gene region and association with TNF-α levels and the intima media thickness of the femoral artery...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29739796/prevalence-of-carotid-plaque-in-a-63-to-65-year-old-norwegian-cohort-from-the-general-population-the-ace-akershus-cardiac-examination-1950-study
#20
Håkon Ihle-Hansen, Thea Vigen, Hege Ihle-Hansen, Ole Morten Rønning, Trygve Berge, Bente Thommessen, Magnus Nakrem Lyngbakken, Eivind Bjørkan Orstad, Steve Enger, Ståle Nygård, Helge Røsjø, Arnljot Tveit
BACKGROUND: New data on extracranial carotid atherosclerosis are needed, as improved ultrasound techniques may detect more atherosclerosis, the definition of plaque has changed over the years, and better cardiovascular risk control in the population may have changed patterns of carotid arterial wall disease and actual prevalence of established cardiovascular disease. We investigated the prevalence of atherosclerotic carotid plaques and carotid intima-media thickness (cIMT) and their relation to cardiovascular risk factors in a middle-aged cohort from the general population...
May 8, 2018: Journal of the American Heart Association
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