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Vascular calcifications

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https://www.readbyqxmd.com/read/28345303/arterial-ageing-from-endothelial-dysfunction-to-vascular-calcification
#1
M Tesauro, A Mauriello, V Rovella, M Annicchiarico-Petruzzelli, C Cardillo, G Melino, N Di Daniele
Complex structural and functional changes occur in the arterial system with advancing age. The aged artery is characterized by changes in microRNA expression patterns, autophagy, smooth muscle cell migration and proliferation, and arterial calcification with progressively increased mechanical vessel rigidity and stiffness. With age the vascular smooth muscle cells modify their phenotype from contractile to 'synthetic' determining the development of intimal thickening as early as the second decade of life as an adaptive response to forces acting on the arterial wall...
March 27, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28337344/is-fibroblast-growth-factor-23-the-leading-cause-of-increased-mortality-among-chronic-kidney-disease-patients-a-narrative-review
#2
REVIEW
Usama A Sharaf El Din, Mona M Salem, Dina O Abdulazim
The death rate among chronic kidney disease patients is the highest compared to other chronic diseases. 60% of these fatalities are cardiovascular. Cardiovascular calcifications and chronic inflammation affect almost all chronic kidney disease patients and are associated with cardiovascular mortality. Fibroblast growth factor 23 is associated with vascular calcification. Systemic inflammation in chronic kidney disease patients is multifactorial. The role of systemic inflammation in the pathogenesis of vascular calcification was recently reappraised...
May 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28335059/retrospective-evaluation-of-percutaneous-access-for-tevar-and-evar-time-to-make-it-the-standard-approach
#3
Rohit Philip Thomas, Tobias Kowald, Bernhard Schmuck, Osama Eldergash, Andreas Klausen, Valentin Dikov, Jerry Easo, Ajay Chavan
Introduction To evaluate the safety of percutaneous endovascular aortic repair and the relationship of access site characteristics to complications Materials and Methods All patients undergoing percutaneous TEVAR, EVAR and FEVAR procedures from January 2010 to May 2016 were retrospectively analysed for incidence of complications and their relationship to various access site characteristics like access artery size, degree of vessel calcification, skin to artery distance and sheath to artery ratio. Hemostasis occurring within 15 min after suture closure with or without manual compression was defined as primary hemostasis...
April 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28332248/citrate-attenuates-vascular-calcification-in-chronic-renal-failure-rats
#4
Yan Ou, Zengying Liu, Shuiqin Li, Xiaojing Zhu, Yan Lin, Jin Han, Zhaoyang Duan, Lining Jia, Baosong Gui
Vascular calcification (VC) is a major contributor of cardiovascular dysfunction in chronic renal failure (CRF). Citrate binds calcium and inhibits the growth of calcium crystals. This present study intends to evaluate the effect of citrate on VC in adenine-induced CRF rats. The rats were randomly divided into five groups: the control group, the citrate control group, model group, model rats with low-dose treatment of citrate (216 mg/kg) and model rats with high-dose treatment of citrate (746 mg/kg). The rats were euthanized at 5 weeks with their blood and aorta in detection...
March 23, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28332217/imaging-for-vascular-calcification
#5
Paolo Raggi, W Charles O'Neill
Chronic decline in renal function is accompanied by deterioration of bone structure and function and progressive calcification of the vascular system. Both disease states have been linked with increased morbidity and mortality in chronic kidney disease. The severe alterations of mineral metabolism inherent with loss of renal function have an impact on vascular calcification development and progression, and several investigators have focused on ways to reduce their impact on vascular health. Imaging has contributed an important role in the assessment of vascular calcification, and the impact of various interventions aimed at curbing their progression...
March 22, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28331532/vitamin-d-a-possible-modifying-factor-linking-obesity-to-vascular-calcification-in-hemodialysis-patients
#6
Jwa-Kyung Kim, Mi Jin Park, Young Rim Song, Hyung Jik Kim, Sung Gyun Kim
BACKGROUND: Obesity is a risk factor for increased cardiovascular disease. Whether vitamin D deficiency modifies this association is unclear. Here, we examined the association of obesity and vitamin D deficiency with vascular calcification score (VCS) in incident end-stage renal disease (ESRD) patients. METHODS: A cross-sectional study was conducted with 213 ESRD patients. Vitamin D deficiency was defined as serum 25-hydroxyvitamin D (25(OH)D) levels below 10 ng/mL, and obesity was defined as a percentage of body fat (PBF) higher than the sex-specific median value in the cohort (>26...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28330667/consequences-of-vascular-calcification-implications-for-bioresorbable-vascular-scaffolds
#7
EDITORIAL
Michael Joner, Erion Xhepa
No abstract text is available yet for this article.
March 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28330651/serial-assessment-of-tissue-precursors-and%C3%A2-progression-of-coronary-calcification-analyzed-by-fusion-of-ivus-and-oct-5-year-follow-up-of-scaffolded-and-nonscaffolded-arteries
#8
Yaping Zeng, Hiroki Tateishi, Rafael Cavalcante, Erhan Tenekecioglu, Pannipa Suwannasom, Yohei Sotomi, Carlos Collet, Shaoping Nie, Hans Jonker, Jouke Dijkstra, Maria D Radu, Lorenz Räber, Dougal R McClean, Robert-Jan van Geuns, Evald H Christiansen, Therese Fahrni, Jacques Koolen, Yoshinobu Onuma, Nico Bruining, Patrick W Serruys
OBJECTIVES: The aim of this study was to assess calcium growth with fused grayscale intravascular ultrasound (IVUS), IVUS-virtual histology, and optical coherence tomography (OCT) from baseline to 5-year follow-up in patients treated with bioresorbable vascular scaffolds. BACKGROUND: IVUS and OCT have individual strengths in assessing plaque composition and volume. Fusion of images obtained using these methods could potentially aid in coronary plaque assessment...
March 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28323966/persistent-reduction-of-circulating-myeloid-calcifying-cells-in-acromegaly-relevance-to-the-bone-vascular-axis
#9
Gian Paolo Fadini, Francesca Dassie, Roberta Cappellari, Mariasara Persano, Saula Vigili de Kreutzenberg, Chiara Martini, Matteo Parolin, Angelo Avogaro, Roberto Vettor, Pietro Maffei
Context: Acromegaly is a systemic disease characterized by persistent bone pathology and excess cardiovascular mortality. Despite multiple concomitant risk factors, atherosclerosis does not seem to be accelerated in acromegaly. Objective: To compare the levels of circulating myeloid calcifying cells (MCCs), which promote ectopic calcification and inhibit angiogenesis, in individuals with or without acromegaly. Design: Cross-sectional case-control study...
March 17, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28321403/hyperphosphatemia-and-hs-crp-initiate-the-coronary-artery-calcification-in-peritoneal-dialysis-patients
#10
Da Shang, Qionghong Xie, Bin Shang, Min Zhang, Li You, Chuan-Ming Hao, Tongying Zhu
Background. Coronary artery calcification (CAC) contributes to high risk of cardiocerebrovascular diseases in dialysis patients. However, the risk factors for CAC initiation in peritoneal dialysis (PD) patients are not known clearly. Methods. Adult patients with baseline CaCS = 0 and who were followed up for at least 3 years or until the conversion from absent to any measurable CAC detected were included in this observational cohort study. Binary logistic regression was performed to identify the risk factors for CAC initiation in PD patients...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28320782/diabetes-confers-in-vitro-calcific-potential-on-serum-which-associates-with-in-vivo-vascular-calcification
#11
Ashish Patidar, Dhruv K Singh, Shori Thakur, Peter Winocour, Ken Farrington, Anwar Baydoun
Although vascular calcification (VC) is prevalent in type 2 diabetes (T2DM), underlying mechanisms remain unclear. Neither is it known whether T2DM confers calcific potential (CP) to serum, enabling it to induce VC outside the disease milieu. We therefore investigated the CP of serum from controls and subjects with T2DM with and without in vivo VC . Samples from 20 healthy controls and 45 age- and sex-matched patients with T2DM with MDRD-eGFR>60mL min(-1) were analysed for CP using rat aortic smooth muscle cells in vitro CT scans of femoral arteries identified individuals with in vivo calcification...
March 20, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28319142/microrna-32-promotes-calcification-in-vascular-smooth-muscle-cells-implications-as-a-novel-marker-for-coronary-artery-calcification
#12
Jianghua Liu, Xinhua Xiao, Yingying Shen, Ling Chen, Canxin Xu, Heng Zhao, Ying Wu, Qinghai Zhang, Jing Zhong, Zhenwang Tang, Changhui Liu, Qiang Zhao, Yi Zheng, Renxian Cao, Xuyu Zu
Cardiovascular calcification is one of the most severe outcomes associated with cardiovascular disease and often results in significant morbidity and mortality. Previous reports indicated that epigenomic regulation of microRNAs (miRNAs) might play important roles in vascular smooth muscle cell (VSMC) calcification. Here, we identified potential key miRNAs involved in vascular calcification in vivo and investigated the role of miR-32-5p (miR-32). According to microarray analysis, we observed increased expression of miR-125b, miR-30a, and miR-32 and decreased expression of miR-29a, miR-210, and miR-320 during the progression of vascularcalcification...
2017: PloS One
https://www.readbyqxmd.com/read/28316178/-relationship-between-multi-slice-spiral-ct-angiography-imaging-features-and-in-hospital-death-of-patients-with-aortic-dissection
#13
Z Y Xiao, H J Wang, C L Yao, G R Gu, Y Xue, J Yin, J Chen, C Zhang, C Y Tong, Z J Song
Objective: To explore the imaging manifestations of multi-slice spiral CT angiography (CTA) and relationship with in-hospital death in patients with aortic dissection (AD). Methods: The clinical data of 429 patients with AD who underwent CTA in Zhongshan Hospital of Fudan University between January 2009 and January 2016 were retrospectively analyzed. AD patients were divided into 2 groups, including operation group who underwent surgery or interventional therapy (370 cases) and non-operation group who underwent medical conservative treatment(59 cases)...
March 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28315622/subclinical-atherosclerosis-statin-eligibility-and-outcomes-in-african-american-individuals-the-jackson-heart-study
#14
Ravi V Shah, Aferdita Spahillari, Stanford Mwasongwe, J Jeffrey Carr, James G Terry, Robert J Mentz, Daniel Addison, Udo Hoffmann, Jared Reis, Jane E Freedman, Joao A C Lima, Adolfo Correa, Venkatesh L Murthy
Importance: Modern prevention guidelines substantially increase the number of individuals who are eligible for treatment with statins. Efforts to refine statin eligibility via coronary calcification have been studied in white populations but not, to our knowledge, in large African American populations. Objective: To compare the relative accuracy of US Preventive Services Task Force (USPSTF) and American College of Cardiology/American Heart Association (ACC/AHA) recommendations in identifying African American individuals with subclinical and clinical atherosclerotic cardiovascular disease (ASCVD)...
March 18, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28303659/invasive-characterization-of-atherosclerotic-plaque-in-patients-with-peripheral-arterial-disease-using-near-infrared-spectroscopy-intravascular-ultrasound
#15
Amr E Abbas, Sibin K Zacharias, James A Goldstein, Ivan D Hanson, Robert D Safian
OBJECTIVES: We describe the characteristics of atherosclerotic plaque in patients with peripheral arterial disease (PAD) using near-infrared spectroscopy-intravascular ultrasound (NIRS-IVUS) BACKGROUND: Imaging and autopsy studies have described atherosclerotic plaque in different vascular beds, including varying degrees of lipid, fibrosis, and calcification. Recently, NIRS has been validated as an accurate method for detecting lipid-core plaque (LCP) in the coronary circulation. Invasive evaluation of plaque composition using NIRS-IVUS has not been reported in different peripheral arterial circulations...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28295660/in-stent-neoatherosclerosis-and-tissue-characteristics-of-restenotic-lesions-following-implantation-of-second-generation-drug-eluting-stents-in-unrestricted-coronary-lesions-optical-frequency-domain-imaging-study
#16
Mahmoud Sabbah, Kazushige Kadota, Azza El-Eraky, Hanan M Kamal, Ahmed-Tageldien Abdellah, Ahmed El Hawary
BACKGROUND: Differences in stent platform, polymer coatings, and antirestenotic drugs among the current in use second-generation drug-eluting stents (G2-DESs) may induce significant variations in neointimal response and vascular healing, which may impact the prevalence of neoatherosclerosis (NA) and morphological appearance of the restenotic tissue. METHODS AND RESULTS: Utilizing Optical frequency domain imaging, two independent reviewers, retrospectively compared the prevalence of neoatherosclerosis (NA), and the morphological differences, and tissue characteristics of 50 G2-DESs in-stent restenosis (ISR) lesions (35 everolimus-eluting stent [22 cobalt-chromium (CoCr), 13 platinum-chromium (PtCr)], and 15 biolimus-eluting stent [BES]) implanted liberally in unrestricted coronary lesions...
March 10, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28294047/klotho-fgf23-cardiovascular-disease-and-vascular-calcification-black-or-white
#17
Giuseppe Cianciolo, Andrea Galassi, Irene Capelli, Roberto Schillaci, Gaetano La Manna, Mario Cozzolino
Patients affected by Chronic Kidney Disease and Mineral Bone Disorder (CKD-MBD) have a high risk of cardiovascular (CV) mortality that is poorly explained by traditional risk factors. The newest medical treatments for CKD-MBD have been associated with encouraging, but still inconsistent, improvement in CV disease complications and patient survival. A better understanding of the biomarkers and mechanisms of left ventricular hypertrophy (LVH), atherosclerosis, and vascular calcification (VC) may help with diagnosis and treatment of the organ damage that occurs secondary to CKD-MBD, thus improving survival...
March 9, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28292668/free-dna-precipitates-calcium-phosphate-apatite-crystals-in-the-arterial-wall-in%C3%A2-vivo
#18
Raphaël Coscas, Marie Bensussan, Marie-Paule Jacob, Liliane Louedec, Ziad Massy, Jeremy Sadoine, Michel Daudon, Catherine Chaussain, Dominique Bazin, Jean-Baptiste Michel
BACKGROUND AND AIMS: The arterial wall calcium score and circulating free DNA levels are now used in clinical practice as biomarkers of cardiovascular risk. Calcium phosphate apatite retention in the arterial wall necessitates precipitation on an anionic platform. Here, we explore the role of tissue-free DNA as such a platform. METHODS: The first step consisted of histological observation of samples from human and rat calcified arteries. Various stains were used to evaluate colocalization of free DNA with calcified tissue (alizarin red, fluorescent Hoechst, DNA immunostaining and TUNEL assay)...
March 4, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28291581/a-real-world-cost-effectiveness-analysis-of-sevelamer-versus-calcium-acetate-in-korean-dialysis-patients
#19
Jang-Hee Cho, Hye Min Jang, Hee-Yeon Jung, Ji-Young Choi, Sun-Hee Park, Chan-Duck Kim, Chul Woo Yang, Dong-Chan Jin, Yong-Lim Kim
PURPOSE: Sevelamer, a noncalcium phosphate binder, has been shown to attenuate the progression of vascular calcification and improve survival in patients with chronic kidney disease undergoing dialysis compared with calcium-based binders. Using real-world data from a cohort study and the Health Insurance Review and Assessment Service database, we conducted a cost-effectiveness analysis comparing sevelamer with calcium acetate in dialysis patients from the perspective of the National Health Insurance Service in South Korea...
March 10, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28290837/-the-choice-of-anticoagulant-therapy-in-patients-with-non-valvular-atrial-fibrillation-and-chronic-kidney-disease
#20
N A Koziolova, E A Polyanskaya, I I Kolegova
The review shows the prevalence of atrial fibrillation (AF) in patients with chronic kidney disease (CKD), depending on the severity of the disease. Patients with non-valvular AF and CKD have a significantly increased risk of both bleeding and thromboembolic complications, and death from all causes. Evaluation of the results of randomized clinical trials (RCTs), meta-analyzes of RCTs demonstrated the advantages of the new oral anticoagulants (NOAC), such as dabigatran, rivaroxaban, apixaban, compared with warfarin in reducing the risk of bleeding in patients with AF and CKD in predialysis stage...
January 2017: Kardiologiia
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