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Flow mediated dilation

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https://www.readbyqxmd.com/read/28526381/medium-term-effect-of-sublingual-l-glutathione-supplementation-on-flow-mediated-dilation-in-subjects-with-cardiovascular-risk-factors
#1
Jonica Campolo, Stefano Bernardi, Lorena Cozzi, Silvia Rocchiccioli, Cinzia Dellanoce, Antonella Cecchettini, Annamaria Tonini, Marina Parolini, Benedetta De Chiara, Gianpaolo Micheloni, Gualtiero Pelosi, Claudio Passino, Cristina Giannattasio, Oberdan Parodi
OBJECTIVE: Supplementation of glutathione (GSH) may be a positive strategy to improve the endogenous antioxidant defense required to counteract many acute and chronic diseases. However, the efficacy of GSH treatment seems to be closely related to type of administration, degree of absorption, and increase of its concentrations. The aim of this study was to test a new sublingual formulation of L-GSH, which enters directly the systemic circulation, to assess its efficacy on circulating biochemical markers of hepatic metabolism, lipid profile, and oxidative stress and on peripheral vascular function compared with placebo in patients with cardiovascular risk factors (CVRF)...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28512721/mid-term-risk-for-subclinical-atherosclerosis-and-chronic-myocarditis-in-children-with-kawasaki-disease-and-transient-coronary-abnormalities
#2
Mansingh Parihar, Surjit Singh, Pandiarajan Vignesh, Anju Gupta, Manojkumar Rohit
There is evidence for premature atherosclerosis and systemic arterial stiffening during follow-up of children with Kawasaki disease (KD) and coronary artery abnormalities (CAA). Moreover, patients with KD may also have subclinical myocardial involvement and inhomogeneous ventricular repolarization. The inhomogeneous ventricular repolarization manifests as increased QT dispersion on electrocardiography. There is a paucity of studies in endothelial dysfunction and QT dispersion in children with KD and transient CAA...
May 17, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28508133/children-and-adolescents-macrovascular-reactivity-level-and-dynamics-but-not-the-microvascular-response-is-associated-with-body-mass-index-and-arterial-stiffness-levels
#3
Yanina Zócalo, Marco Marotta, Victoria García-Espinosa, Santiago Curcio, Pedro Chiesa, Gustavo Giachetto, Daniel Bia
INTRODUCTION: The existing evidence indicates that primary prevention of atherosclerotic disease should begin in childhood. Detection of children and adolescents at risk for atherosclerosis may allow early intervention to decrease the atherosclerotic process, thereby preventing or delaying cardiovascular disease. Vascular reactivity (VR) is altered even by early atherosclerosis. Obesity is a main cardiovascular risk factor (CVRF) observed in childhood. If childhood obesity associates impaired macro and/or micro VR is controversial...
May 15, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28507632/visfatin-versus-flow-mediated-dilatation-as-a-marker-of-endothelial-dysfunction-in-pediatric-renal-transplant-recipients
#4
Fatina Fadel, Hafez M Bazraa, Safaa M Abdelrahman, Mohamed Gamal Shouman, Marwa Khaled Sayed, Doaa Mohamed Salah, Aliaa Ahmed Wahby, Heba F Elgebaly
BACKGROUND: Renal transplantation (RTx) is the treatment of choice for paediatric end-stage renal disease (ESRD). A major cause of morbidity and mortality after RTx is cardiovascular disease. Independent predictors of cardiovascular events were shown to constitute an endothelial dysfunction (ED). This study aims to evaluate Visfatin serum level in comparison to brachial artery flow-mediated dilatation (FMD) as a marker of endothelial dysfunction in paediatric RTx recipients. METHODS: Visfatin serum level has been evaluated in 30 patients on regular hemodialysis (HD), 36 patients post-RTx and 30 controls as a measure for ED, and has been compared to brachial artery FMD...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28500898/the-fact-not-to-ignore-mean-blood-pressure-is-the-main-predictor-of-increased-arterial-stiffness-in-patients-with-systemic-rheumatic-diseases
#5
Alma Čypienė, Jolanta Dadonienė, Dalia Miltinienė, Egidija Rinkūnienė, Rita Rugienė, Sigita Stropuvienė, Jolita Badarienė, Aleksandras Laucevičius
PURPOSE: We aimed to evaluate the association between carotid-radial pulse wave velocity (PWV), augmentation index (AIx), and flow-mediated dilatation (FMD) of the brachial artery and factors potentially influencing them in patients with rheumatoid arthritis (RA), systemic lupus erythematosus (SLE) and systemic sclerosis (SSc). MATERIAL AND METHODS: 316 patients diagnosed with RA (32%), SLE (20%), SSc (16%) and 156 controls (32%) were included in the study. Parameters of arterial stiffness AIx and PWV were obtained using applanation tonometry...
May 10, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28498345/effects-of-long-chain-omega-3-polyunsaturated-fatty-acids-on-endothelial-vasodilator-function-and-cognition-are-they-interrelated
#6
REVIEW
Julia C Kuszewski, Rachel H X Wong, Peter R C Howe
Long-chain omega-3 polyunsaturated fatty acids (LCn-3 PUFA) may improve brain functions by acting on endothelial cells in the cerebrovasculature to facilitate vasodilatation and perfusion. The aim of this review is to explore this hypothesis by analyzing the effect of LCn-3 PUFA supplementation on systemic vasodilator and cognitive function and finding evidence to link LCn-3 PUFA intake, vasodilator function and cognition. Forty randomized controlled trials examining the effect of LCn-3 PUFA supplementation in humans on either endothelial vasodilator function or cognition were identified and pooled effects measured with a weighted analysis...
May 12, 2017: Nutrients
https://www.readbyqxmd.com/read/28492794/exploring-vascular-function-biomarkers-implications-for-rehabilitation
#7
Shane A Phillips, Daniela Kuguimoto Andaku, Renata Gonçalves Mendes, Flávia Rossi Caruso, Ramona Cabiddu, Rodrigo Boemo Jaenisch, Ross Arena, Audrey Borghi-Silva
The endothelium plays an important role in maintaining vascular homeostasis and regulating blood vessel function. Endothelial function is considered an independent predictor for risk of future cardiovascular events in cardiovascular and non-cardiovascular patients, as well as a predictor for postoperative complications in cardiovascular surgery patients. Brachial artery flow-mediated dilation by high-resolution ultrasound is widely used to evaluate endothelium-dependent vasodilation, which is mainly mediated by nitric oxide release...
March 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28492359/periodontitis-and-endothelial-dysfunction-periodontal-clinical-parameters-and-the-levels-of-salivary-markers-il-1%C3%AE-tnf-%C3%AE-mmp2-timp2-complex-and-nitric-oxide
#8
Marcela Faria Moura, Túlio Pinho Navarro, Tarcília Aparecida Silva, Luís Otávio Miranda Cota, Alcione Maria Soares Dutra Oliveira, Fernando Oliveira Costa
BACKGROUND: Periodontitis has been associated with a greater risk for arteriosclerotic cardiovascular disease (ACD). Endothelial dysfunction (ED) is a parameter of early ACD, and its association with periodontitis has rarely been investigated to date. The objective of this study was to evaluate the association between periodontitis and ED by means of periodontal clinical parameters and salivary markers IL-1β, TNF-α, nitric oxide-(NO) and MMP2/TIMP2 complex. METHODS: Forty-seven individuals were divided into two groups: 24 individuals with chronic periodontitis and 23 individuals without chronic periodontitis...
May 11, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28488397/dietary-sodium-intake-relates-to-vascular-health-in-children-with-type-1-diabetes
#9
Jemma Anderson, Jennifer J Couper, Sarah Toome, Christine Mpundu-Kaambwa, Lynne C Giles, Roger Gent, Brian Coppin, Alexia S Peña
BACKGROUND AND OBJECTIVE: Children with type 1 diabetes (T1D) have vascular dysfunction and frequently struggle to adhere to dietary recommendations. Limited data exist for the vascular consequences of poor diet quality in children. We aimed to evaluate the association between dietary components and vascular function in children with T1D. METHODS: Cross-sectional study including 90 children (13.6 [3.5] years, 41 boys) with T1D. They had evaluation of dietary micro and macronutrients (Australian Child and Adolescent Eating Survey), vascular endothelial and smooth muscle function (flow-mediated dilatation and glyceryl trinitrate mediated dilatation [GTN], respectively), clinical and biochemical variables...
May 10, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28485188/quantification-of-inflammatory-markers-in-laryngotracheal-stenosis
#10
Kevin M Motz, Linda X Yin, Idris Samad, Dacheng Ding, Michael K Murphy, Madhavi Duvvuri, Alexander T Hillel
Objectives (1) Develop a novel method for serial assessment of gene and protein expression in laryngotracheal stenosis (LTS). (2) Assess cytokine expression and determine an immunophenotype in LTS. Study Design A matched comparison of endolaryngeal brush biopsy samples from laryngotracheal scar and normal airway. Setting Tertiary care hospital, 2015-2016. Methods Brush biopsy specimens of laryngotracheal scar and normal trachea were obtained from 17 patients with LTS at the time of operating room dilation and were used for protein and RNA extraction...
May 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28480622/roles-of-nadph-oxidase-and-mitochondria-in-flow-induced-vasodilation-of-human-adipose-arterioles-ros-induced-ros-release-in-coronary-artery-disease
#11
Natalya S Zinkevich, Ibra S Fancher, David D Gutterman, Shane A Phillips
OBJECTIVES: Hydrogen peroxide (H2 O2 ) contributes to flow-induced dilation (FID) of human arterioles. This study is designed to examine the roles of mitochondria and NADPH oxidase in modulating the release of ROS and in mediating FID. We tested whether NADPH oxidase contributes to mitochondrial ROS generation in arterioles during coronary artery disease (CAD). METHODS: Visceral adipose arterioles obtained from patients with or without CAD were cannulated and pressurized for videomicroscopic measurement of arteriolar diameters...
May 8, 2017: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/28480270/a-randomized-placebo-controlled-trial-of-aspirin-effects-on-immune-activation-in-chronically-human-immunodeficiency-virus-infected-adults-on-virologically-suppressive-antiretroviral-therapy
#12
Meagan P O'Brien, Peter W Hunt, Douglas W Kitch, Karin Klingman, James H Stein, Nicholas T Funderburg, Jeffrey S Berger, Pablo Tebas, Brian Clagett, Daniela Moisi, Netanya S Utay, Fran Aweeka, Judith A Aberg
BACKGROUND: Immune activation persists despite suppressive antiretroviral therapy (ART) in human immunodeficiency virus (HIV) infection and predicts non-Acquired Immune Deficiency Syndrome (AIDS) comorbidities including cardiovascular disease. Activated platelets play a key role in atherothrombosis and inflammation, and platelets are hyperactivated in chronic HIV infection. Aspirin is a potent inhibitor of platelet activation through the cyclooxygenase-1 (COX-1) pathway. We hypothesized that platelet activation contributes to immune activation and that aspirin would reduce immune activation and improve endothelial function in ART-suppressed HIV-infected individuals...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28474291/depleted-nitric-oxide-and-prostaglandin-e2-levels-are-correlated-with-endothelial-dysfunction-in-%C3%AE-thalassemia-hbe-patients
#13
Sudarat Satitthummanid, Noppacharn Uaprasert, Smonporn Boonyaratavej Songmuang, Ponlapat Rojnuckarin, Piyaratana Tosukhowong, Pranee Sutcharitchan, Suphot Srimahachota
Mechanisms of vascular disorders in β-thalassemia/HbE patients remain poorly understood. In the present study, we aimed to determine the presence of endothelial dysfunction and its association with altered vascular mediators in this population. Forty-three β-thalassemia/HbE patients without clinically documented vascular symptoms and 43 age-sex-matched healthy controls were enrolled. Endothelial function was assessed using flow-mediated dilatation (FMD) before and after administration of nitroglycerine (NTG)...
May 4, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28470492/unsaturated-fatty-acids-improve-atherosclerosis-markers-in-obese-and-overweight-non-diabetic-elderly-patients
#14
Patrícia Amante de Oliveira, Cristiane Kovacs, Priscila Moreira, Daniel Magnoni, Mohamed Hassan Saleh, Joel Faintuch
BACKGROUND: Several studies have demonstrated the benefits of replacing trans and saturated fats with unsaturated fatty acids on cardiovascular diseases. We aimed to demonstrate the effect of polyunsaturated and monounsaturated fat supplementation on the biochemical and endothelial markers of atherosclerotic disease in obese or overweight non-diabetic elderly patients. METHOD: Seventy-nine patients were randomly divided into three groups: flaxseed oil, olive oil, and sunflower oil; patients in each group received 30 mL of oil for 90 days...
May 3, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28469540/the-impact-of-vitamin-d-supplement-intake-on-vascular-endothelial-function-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#15
Mohsen Mazidi, Ehsan Karimi, Peyman Rezaie, Hassan Vatanparast
Aim: to systematically review and conduct a meta-analysis of randomized controlled trials investigating the impact of vitamin D supplementation on endothelial function. Method: We searched PubMed-Medline, SCOPUS, Web of Science and Google Scholar (until June 2016) to detect prospective studies evaluating the impact of vitamin D supplementation on endothelial function indexes. We used random effects models (using DerSimonian-Laird method) and generic inverse variance methods to synthesize quantitative data. We used the leave-one-out method for sensitivity analysis...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28465557/one-year-daily-consumption-of-buttermilk-drink-containing-lutein-enriched-egg-yolks-does-not-affect-endothelial-function-in-fasting-and-postprandial-state
#16
Sanne M van der Made, Tos T J M Berendschot, Aize Kijlstra, Jogchum Plat
Previous results have shown that one-year daily consumption of a lutein-enriched egg yolk containing dairy drink did not significantly affect fasting serum lipid and lipoprotein concentrations in adults with early signs of macular degeneration. The current study further substantiates these findings with parameters reflecting endothelial function. Additionally, we extend our observations from the fasting to the postprandial situation. Subjects participated in a 1-y randomized placebo-controlled dietary intervention trial...
May 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28460767/predictors-of-endothelial-dysfunction-and-atherosclerosis-in-rheumatoid-arthritis-in-indian-population
#17
Inderjeet Verma, Ashit Syngle, Pawan Krishan
OBJECTIVE: Cardiovascular (CV) disease is leading cause of mortality in rheumatoid arthritis (RA). Dysfunction of the vascular endothelium is a hallmark of most conditions that are associated with atherosclerosis and is therefore an early feature in atherogenesis. Biomarkers for rapid evolution of CV complications would be highly desirable for risk stratification. Finally, predictive biomarkers for cardiovascular risk would allow tailoring therapy to the individual. We assessed endothelial function and atherosclerosis utilizing carotid intima-media thickness (CIMT) in RA in context of clinical and laboratory markers in Indian RA population...
March 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28457654/effect-of-nut-consumption-on-vascular-endothelial-function-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#18
Yunjun Xiao, Wei Huang, Chaoqiong Peng, Jinzhou Zhang, Carmen Wong, Jean H Kim, Eng-Kiong Yeoh, Xuefen Su
OBJECTIVE: nut consumption has consistently been found to be associated with a reduced risk of cardiovascular diseases (CVD) and mortality in prospective studies. However, its effect on endothelial function, a prognostic marker of CVD, is still controversial in clinical trials. This meta-analysis of randomized controlled trials (RCTs) aimed to quantitatively assess the effect of nuts on vascular endothelial function. METHODS: Major electronic databases were searched for published RCTs that reported the effect of nuts on flow mediated dilation (FMD) as a measurement of endothelial function in the adult population (age eighteen years or over)...
April 20, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28457197/management-of-cardiovascular-risk-in-systemic-lupus-erythematosus-a-systematic-review
#19
C Andrades, C Fuego, S Manrique-Arija, A Fernández-Nebro
Systemic lupus erythematosus is associated with accelerated atherosclerosis and increased risk of cardiovascular complications. The aim of this study was to review the effectiveness of interventions for primary and secondary prevention of cardiovascular events and mortality and to review the effectiveness of interventions for cardiovascular risk factor reduction in systemic lupus erythematosus patients. A systematic review was conducted. Electronic databases Medline and Embase (1961-2015) were searched. Nineteen articles met the inclusion criteria and were selected...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28457146/are-women-with-polycystic-ovary-syndrome-at-increased-cardiovascular-disease-risk-later-in-life
#20
M N Gunning, B C J M Fauser
To date, the world's leading cause of death amongst women is cardiovascular disease. Polycystic ovary syndrome (PCOS) is associated with an unfavorable cardiometabolic profile in early life. Apart from dyslipidemia, obesity and onset of type 2 diabetes mellitus, androgens are thought to influence cardiovascular health. The question rises whether women with PCOS are truly at risk for cardiovascular disease in later life. In this review paper, we aim to reflect on this assumed relation based on studies in different stages of life in women with PCOS...
April 29, 2017: Climacteric: the Journal of the International Menopause Society
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