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https://www.readbyqxmd.com/read/28103941/involvement-of-the-endocannabinoid-system-in-the-physiological-response-to-transient-common-carotid-artery-occlusion-and-reperfusion
#1
Marina Quartu, Laura Poddighe, Tiziana Melis, Maria Pina Serra, Marianna Boi, Sara Lisai, Gianfranca Carta, Elisabetta Murru, Laura Muredda, Maria Collu, Sebastiano Banni
BACKGROUND: The transient global cerebral hypoperfusion/reperfusion achieved by induction of Bilateral Common Carotid Artery Occlusion followed by Reperfusion (BCCAO/R) may trigger a physiological response in an attempt to preserve tissue and function integrity. There are several candidate molecules among which the endocannabinoid system (ECS) and/or peroxisome-proliferator activated receptor-alpha (PPAR-alpha) may play a role in modulating oxidative stress and inflammation. The aims of the present study are to evaluate whether the ECS, the enzyme cyclooxygenase-2 (COX-2) and PPAR-alpha are involved during BCCAO/R in rat brain, and to identify possible markers of the ongoing BCCAO/R-induced challenge in plasma...
January 19, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28098488/pulse-wave-velocity-and-myocardial-performance-index-in-premature-ovarian-insufficiency
#2
Muhammed Necati Murat Aksoy, Nermin Akdemir, Harun Kilic, Sabiye Yilmaz, Ramazan Akdemir, Huseyin Gunduz
OBJECTIVE: Epidemiological studies suggest that women with loss of ovarian function at early ages may be especially burdened by cardiovascular disease (CVD). In this study, we aimed to evaluate pulse wave velocity and myocardial performance index in patients with premature ovarian insufficiency (POI). DESIGN: We enrolled 51 female patients (mean age 38.9 ± 6.7 years) with POI and 49 healthy subjects (mean age 36.8 ± 5.2 years). All participants underwent a detailed echocardiographic examination and pulse wave velocity (PWV) measurement which is basically the velocity of pulse wave travelling from carotid to femoral artery...
January 18, 2017: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/28096152/bcli-glucocorticoid-receptor-polymorphism-in-relation-to-arterial-stiffening-and-cardiac-structure-and-function-the-hoorn-and-codam-studies
#3
Dirk van Moorsel, Ronald M Henry, Nicolaas C Schaper, Marleen M van Greevenbroek, Elisabeth F van Rossum, Leen M 't Hart, Casper G Schalkwijk, Carla J van der Kallen, Jacqueline M Dekker, Coen D Stehouwer, Bas Havekes
BACKGROUND: Chronic glucocorticoid excess is associated with arterial stiffening and cardiac dysfunction. The BclI glucocorticoid receptor (GR) polymorphism increases GR sensitivity and is associated with a higher body mass index (BMI) and some proxies for cardiovascular disease (CVD). Whether BclI influences arterial stiffening and cardiac dysfunction is currently unknown. Therefore, the aim of the present study was to investigate the association of the BclI polymorphism with arterial stiffening and cardiac structure and function...
January 17, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28093467/blood-pressure-trajectories-from-childhood-to-young-adulthood-associated-with-cardiovascular-risk-results-from-the-23-year-longitudinal-georgia-stress-and-heart-study
#4
Guang Hao, Xiaoling Wang, Frank A Treiber, Gregory Harshfield, Gaston Kapuku, Shaoyong Su
The purpose of this study is to identify subgroups of individuals with similar trajectories in blood pressure (BP) from childhood to young adulthood and to determine the relationship of BP trajectories with carotid intima-media thickness (IMT) and left ventricular mass index (LVMI). BP was measured ≤16 times during a 23-year period in 683 participants from childhood to young adulthood. IMT and LVMI were measured in 551 participants and 546 participants, respectively. Using latent class models, 3 trajectory groups in BP from childhood to young adulthood were identified, including high-increasing, moderate-increasing, and low-increasing groups...
January 16, 2017: Hypertension
https://www.readbyqxmd.com/read/28087279/alpha-2-macroglobulin-and-heparin-cofactor-ii-and-the-vulnerability-of-carotid-atherosclerotic-plaques-an-itraq-based-analysis
#5
Jinmao Li, Xi Liu, Ying Xiang, Xueying Ding, Teng Wang, Ying Liu, Maojia Yin, Changhong Tan, Fen Deng, Lifen Chen
Rupture of carotid atherosclerotic plaque may cause stroke, while few biomarker in clinic can evaluate carotid plaque vulnerability. In this study, we divided the recruited participants into no plaque, stable plaque, and vulnerable plaque group according to carotid ultrasonography, and screened the differentially expressed proteins in plasma of these participants using isobaric tags for relative and absolute quantitation labeling coupled with liquid chromatography-tandem mass spectrometry. 28 proteins were identified differentially expressed, among which alpha-2-macroglobulin (α2M) and heparin cofactor II (HCII) were found to be at hub position in the interactions of these proteins by STRING analysis and were selected for enzyme-linked immunosorbent assay measurement to assess their relevance with carotid plaques vulnerability and diagnostic efficiency...
January 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28073026/the-role-of-visfatin-in-atherosclerotic-peripheral-arterial-obstructive-disease
#6
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/28068655/carotid-intima-media-thickness-in-children-treated-with-growth-hormone-a-follow-up-study-over-three-years
#7
Juliane Rothermel, Caroline Knop, Nina Lass, Christina Toschke, Rainer Wunsch, Thomas Reinehr
BACKGROUND: There is an ongoing discussion whether high doses of growth hormone (GH) may lead to cardiovascular diseases. Therefore, we studied the longitudinal relationships between GH treatment and carotid intima-media thickness (cIMT), which is predictive of the development of atherosclerosis. METHODS: We measured blood pressure, lipids, hemoglobin HbA1c, IGF-1, IGFBP-3, and cIMT in 28 children treated with supraphysiological doses of GH (mean age 9.8 ± 2.2 years, 39% males) and 36 children suffering from GH deficiency (GHD) and treated with physiological doses of GH (mean age 9...
January 10, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28067869/clinical-and-biological-markers-of-premature-aging-after-autologous-sct-in-childhood-cancer
#8
A Vatanen, M Hou, T Huang, O Söder, T Jahnukainen, M Kurimo, T H Ojala, T Sarkola, M Turanlahti, U M Saarinen-Pihkala, K Jahnukainen
The aim of this study was to analyze the prevalence of frailty and physical health limitations among long-term survivors of high-risk neuroblastoma (HR NBL) and to investigate whether frail health is associated with variables of cardiovascular function, markers of inflammation and telomere length. A national study cohort of 19 (median age 22, range 16-30 years) long-term (>10 years) HR NBL survivors was studied and the findings were compared with 20 age- and sex-matched controls. Frailty was defined as ⩾3 of the following conditions: low muscle mass, low energy expenditure, slow running and weakness...
January 9, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28062999/relationship-between-increased-carotid-artery-stiffness-and-idiopathic-subjective-tinnitus
#9
C Bayraktar, S Taşolar
Tinnitus is defined as perception of sound with no external stimulus, and can separate into pulsatile and non-pulsatile types. Arterial stiffness is a parameter that can predict the cardiovascular event and associated with incidence of stroke. It has been shown that increased arterial stiffness may lead to microvascular damage in brain. Our aim was to assess the arterial stiffness of the carotid system in the development and severity of idiopathic subjective tinnitus. Forty subjective tinnitus patients and 40 age- and sex-matched controls were enrolled in the study...
January 6, 2017: European Archives of Oto-rhino-laryngology
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/28060442/effects-of-6%C3%A2-months-of-aerobic-and-resistance-exercise-training-on-carotid-artery-intima-media-thickness-in-overweight-and-obese-older-women
#11
Jinkee Park, Hyuntea Park
AIM: We studied the effects of exercise on carotid intima-media thickness, luminal diameter, and flow velocity in overweight and obese older women, and the associations between carotid parameters changes and other variables. METHODS: A total of 41 overweight and obese older women (aged 65-77 years, fat mass percent ≥ 32%), who were divided into a control group (n = 20) and a supervised combined exercise group (n = 21). The 24-week combined exercise program (aerobic and resistance exercise) consisted of sessions 40-80 min in length 5 days per week under the supervision of an exercise specialist...
January 6, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28052522/assessment-of-carotid-artery-intima-media-thickness-in-patients-with-obstructive-sleep-apnea
#12
Li-Jen Liao, Tsung-Yi Cho, Tsung-Wei Huang
OBJECTIVE: This study compares the carotid intima-media thickness (CIMT) in different severity of obstructive sleep apnea (OSA) patients, and assesses the role of OSA in carotid artery vasculopathy with control of multiple co-morbidities. STUDY DESIGN: Prospective case-control study SETTING: Tertiary referral center PARTICIPANTS: This study recruited 36 volunteers without the complaints of sleep-disordered breathing, 27 patients with mild-moderate OSA and 39 patients with severe OSA...
January 4, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28049936/high-pulse-wave-velocity-has-a-strong-impact-on-early-carotid-atherosclerosis-in-a-japanese-general-male-population
#13
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/28036158/premature-atherosclerosis-in-systemic-sclerosis-patients-its-relation-to-disease-parameters-and-to-traditional-risk-factors
#14
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/28036018/effects-of-supplementation-of-branched-chain-amino-acids-to-reduced-protein-diet-on-skeletal-muscle-protein-synthesis-and-degradation-in-the-fed-and-fasted-states-in-a-piglet-model
#15
Liufeng Zheng, Hongkui Wei, Pingli He, Shengjun Zhao, Quanhang Xiang, Jiaman Pang, Jian Peng
Supplementation of branched-chain amino acids (BCAA) has been demonstrated to promote skeletal muscle mass gain, but the mechanisms underlying this observation are still unknown. Since the regulation of muscle mass depends on a dynamic equilibrium (fasted losses-fed gains) in protein turnover, the aim of this study was to investigate the effects of BCAA supplementation on muscle protein synthesis and degradation in fed/fasted states and the related mechanisms. Fourteen 26- (Experiment 1) and 28-day-old (Experiment 2) piglets were fed reduced-protein diets without or with supplemental BCAA...
December 28, 2016: Nutrients
https://www.readbyqxmd.com/read/28031680/ultrasonographic-cti-and-mri-of-aberrant-internal-carotid-artery-infrequent-but-important-to-know
#16
J Schaumberg, B Tomandl, F Brunner
This article describes the aberrant course of the internal carotid artery (ICA) through the middle ear as an extremely rare vascular anomaly. On the basis of a case report, the findings of magnetic resonance imaging, computed tomography imaging, and especially color-coded duplex sonography are presented. The diagnosis of an aberrant ICA is important to avoid severe surgical complications of a retrotympanic mass as well as unnecessary diagnostic or therapeutic approaches in expectation of a stroke.
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28004456/maternal-endothelial-function-and-vascular-stiffness-after-hellp-syndrome-a-case-control-study
#17
Rossana Orabona, Edoardo Sciatti, Enrico Vizzardi, Ivano Bonadei, Federico Prefumo, Adriana Valcamonico, Marco Metra, Tiziana Frusca
OBJECTIVES: To assess endothelial function and arterial stiffness in women with a previous pregnancy complicated by haemolysis, elevated liver enzymes, and low platelet count (HELLP) syndrome, and compare them with women with a previous preeclampsia (PE) without HELLP and controls with uncomplicated pregnancies. METHODS: Women who have had a singleton pregnancy complicated by PE with (n = 49) or without (n = 60) HELLP syndrome and controls (n = 60) underwent peripheral arterial tonometry (EndoPAT method) and pulse wave velocity (PWV) assessment at 6 months-4 years after delivery...
December 22, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28001459/long-term-effect-of-adrenalectomy-on-cardiovascular-remodeling-in-patients-with-pheochromocytoma
#18
Bohumil Majtan, Tomáš Zelinka, Ján Rosa, Ondřej Petrák, Zuzana Krátká, Branislav Štrauch, Vladimír Tuka, Alice Vránková, David Michalský, Květoslav Novák, Dan Wichterle, Jiří Widimský, Robert Holaj
CONTEXT: Catecholamines may contribute to the accumulation of collagen fibers and extracellular matrix in the arterial and myocardial wall due to various mechanisms. Reversibility of this process has not been studied on both structures simultaneously. OBJECTIVE: This study aimed to clarify the long-term effect of catecholamines' excess normalization on carotid and myocardial wall changes in patients with pheochromocytoma or functional paraganglioma (PHEO) after tumor removal...
December 21, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27998916/growth-of-carotid-intima-media-thickness-in-black-and-white-young-adults
#19
Guang Hao, Xiaoling Wang, Frank A Treiber, Harry Davis, Sharika Leverett, Shaoyong Su, Gaston Kapuku
BACKGROUND: There are few longitudinal studies that have comprehensively examined the intima-media thickness (IMT) growth pattern and its determinants among racial population groups. METHODS AND RESULTS: Mean and maximum IMT were measured by B-mode ultrasonography up to 3 times in 253 white and 268 black participants, aged 13 to 36 years (mean age±standard deviation 24±3.2 years old). The development of IMT was assessed using individual growth curve modeling...
December 20, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27987599/a-preclinical-animal-study-of-a-novel-simple-and-secure-percutaneous-vessel-occluder-for-the-treatment-of-varicose%C3%A2-veins
#20
Arnold Miller, Nir Lilach, Raanan Miller, Lowell Kabnick
BACKGROUND: Secure, permanent occlusion of the great and small saphenous veins, their tributaries, and perforators is critical for the successful treatment of varicose veins. Current minimally invasive methods replacing surgery are all endoluminal and involve heat (radiofrequency or laser), chemicals (sclerosants and glues), or a combination of mechanical and chemical interventions. This study evaluated in a porcine model the performance of a percutaneous delivery of the Amsel Vessel Occluder (AVO; Amsel Medical Corp, Cambridge, Mass) using ultrasound guidance...
January 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
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