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Cardiovascular calcification

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https://www.readbyqxmd.com/read/28214287/association-of-warfarin-with-congestive-heart-failure-and-peripheral-artery-occlusive-disease-in-hemodialysis-patients-with-atrial-fibrillation
#1
Kuo-Hua Lee, Szu-Yuan Li, Jin-Sin Liu, Chi-Ting Huang, Ying-Ying Chen, Yao-Ping Lin, Chih-Cheng Hsu, Der-Cherng Tarng
BACKGROUND: The effect of warfarin on the risk of cardiovascular (CV) disease is unknown among chronic hemodialysis patients with atrial fibrillation (HD-AF). METHODS: Population-based propensity score and prescription time-distribution matched cohort study including 6719 HD-AF patients with CHA2DS2-VASc score ≥ 2 were divided into warfarin users and nonusers and followed-up for CV events and death. RESULTS: Warfarin treatment in HD-AF patients with AF preceding HD was associated with higher risks of developing congestive heart failure [hazard ratio (HR)=1...
February 14, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28209366/quantifying-aortic-valve-calcification-using-coronary-computed-tomography-angiography
#2
Abdulrahman M Alqahtani, Kevin E Boczar, Vinay Kansal, Kwan Chan, Girish Dwivedi, Benjamin J W Chow
INTRODUCTION: Aortic valve calcification (AVC) has been associated with major adverse cardiovascular events and all-cause mortality. We sought to develop and validate a method to quantify AVC using coronary CT angiography (CTA). METHODS: Of 59 patients who underwent both non-contrast and contrast enhanced coronary CTA, 25 patients served as the derivation cohort and 34 patients served as the validation cohort. For non-contrast enhanced CT, quantification of AVC was performed using the Agatston method for coronary artery calcification (CAC)...
January 30, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28208902/study-of-aortic-valve-sclerosis-as-a-marker-of-atherosclerosis-in-acute-coronary-syndromes
#3
Preeti Jane Picardo, Peter Daniel S Khariong, Ranendra Hajong, Debobratta Hajong, Narang Naku, Madhur Anand, Girish Sharma, K Lenish Singh
INTRODUCTION: Aortic valve sclerosis has been shown to be associated with increased incidence, chances of developing myocardial infarction and even death. The epidemiological risk factors causing calcification of aortic valves have also been found to cause atherosclerosis. AIM: To analyse the epidemiological risk factors causing aortic valve sclerosis which have been studied in details and analysed to see whether they cause any significant increase in the incidence of cardiovascular events...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28202259/coronary-artery-calcium-score-as-a-predictor-for-incident-stroke-systematic-review-and-meta-analysis
#4
Kongkiat Chaikriangkrai, Hye Yeon Jhun, Ghanshyam Palamaner Subash Shantha, Aref Bin Abdulhak, Gardar Sigurdsson, Faisal Nabi, John J Mahmarian, Su Min Chang
BACKGROUND: Coronary artery calcium score (CACS) is a well-established test for risk stratifying asymptomatic patients for overall cardiovascular or coronary events. However; the prognostic value for incident stroke remains controversial. The objective of this study was to investigate the predictive value of CACS obtained by non-contrast electrocardiogram-gated computed tomography for incident stroke. METHODS: We searched PubMed, EMBASE, Cochrane databases for prospective longitudinal studies of CACS which reported the incidence of stroke...
February 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28202017/association-between-metformin-use-and-below-the-knee-arterial-calcification-score-in-type-2-diabetic-patients
#5
Aurélien Mary, Agnes Hartemann, Sophie Liabeuf, Carole Elodie Aubert, Salim Kemel, Joe Elie Salem, Philippe Cluzel, Aurélie Lenglet, Ziad A Massy, Jean-Daniel Lalau, Romuald Mentaverri, Olivier Bourron, Saïd Kamel
BACKGROUND: Vascular calcification (VC) is common in type 2 diabetes, and is associated with cardiovascular complications. Recent preclinical data suggest that metformin inhibits VC both in vitro and in animal models. However, metformin's effects in patients with diabetic VC have not previously been characterized. The present study investigated the association between metformin use and lower-limb arterial calcification in patients with type 2 diabetes and high cardiovascular risk. METHODS: The DIACART cross-sectional cohort study included 198 patients with type 2 diabetes but without severe chronic kidney disease...
February 15, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28192729/absence-of-association-between-gallstone-and-coronary-artery-calcification
#6
Chang Hee Kwon, Jung Gyu Kang, Hyun Jong Lee, Nan Hee Kim, Joo-Wook Sung, EunSun Cheong, Ki-Chul Sung
BACKGROUND AND AIMS: Gallstone has been suggested to be associated with cardiovascular disease (CVD). Coronary artery calcification (CAC) is an excellent value to predict future CVD. The aim of this study was to evaluate the association between gallstone and CAC. METHODS: Data were analyzed from an occupational cohort of 46,893 subjects (37,557 men and 9336 women) between 2011 and 2014. Participants with cancer or CVD histories or missing data at baseline were excluded from the study...
February 1, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28192277/cdkn2a-p16ink4-a-expression-is-associated-with-vascular-progeria-in-chronic-kidney-disease
#7
Peter Stenvinkel, Karin Luttropp, Dagmara McGuinness, Anna Witasp, Abdul Rashid Qureshi, Annika Wernerson, Louise Nordfors, Martin Schalling, Jonaz Ripsweden, Lars Wennberg, Magnus Söderberg, Peter Bárány, Hannes Olauson, Paul G Shiels
Patients with chronic kidney disease (CKD) display a progeric vascular phenotype linked to apoptosis, cellular senescence and osteogenic transformation. This has proven intractable to modelling appropriately in model organisms. We have therefore investigated this directly in man, using for the first time validated cellular biomarkers of ageing (CDKN2A/p16(INK4a), SA-β-Gal) in arterial biopsies from 61 CKD patients undergoing living donor renal transplantation. We demonstrate that in the uremic milieu, increased arterial expression of CDKN2A/p16(INK4a) associated with vascular progeria in CKD, independently of chronological age...
February 9, 2017: Aging
https://www.readbyqxmd.com/read/28189120/does-the-opg-rankl-system-contribute-to-the-bone-vascular-axis-in-chronic-kidney-disease-a-systematic-review
#8
REVIEW
Beata Znorko, Ewa Oksztulska-Kolanek, Małgorzata Michałowska, Tomasz Kamiński, Krystyna Pawlak
Vascular calcification (VC) is highly prevalent in patients with chronic kidney disease (CKD) and is strongly associated with cardiovascular mortality and morbidity. Accumulating evidence over the past decade has challenged the hypothesis of close interaction between bone and VC what raises the possibility of a common underlying pathophysiological mechanism. Lately, bone regulatory proteins such as: osteoprotegerin (OPG) and Receptor Activator for Nuclear Factor κB Ligand (RANKL) has attracted attention of researchers as a possible key mediators of bone-vascular calcification imbalance...
February 8, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28187467/protective-effects-of-ellagic-acid-on-cardiovascular-injuries-caused-by-hypertension-in-rats
#9
Juliana Bahia Reis Jordão, Hellen Karine Paes Porto, Flávio Marques Lopes, Aline Carvalho Batista, Matheus Lavorenti Rocha
Ellagic acid is described as having antioxidant and antiproliferative properties. Hence, it was hypothesized that ellagic acid could improve cardiovascular damage caused by hypertension. In this work, hypertension was induced in rats with Nω-Nitro-L-arginine methyl ester hydrochloride (60 mg/kg/day in drinking water) for 6 weeks. Ellagic acid was coadministered (10 or 30 mg/kg/day by gavage) between the second and sixth week. Blood pressure was recorded every week by tail-cuff plethysmography. After 6 weeks, the rats were sacrificed, the hearts and kidneys were weighed, and blood was collected...
February 10, 2017: Planta Medica
https://www.readbyqxmd.com/read/28186352/analysis-of-clinical-symptoms-and-abcc6-mutations-in-76-japanese-patients-with-pseudoxanthoma-elasticum
#10
Akira Iwanaga, Yumi Okubo, Mariko Yozaki, Yuta Koike, Yutaka Kuwatsuka, Saori Tomimura, Yosuke Yamamoto, Hiroshi Tamura, Satoshi Ikeda, Koji Maemura, Eiko Tsuiki, Takashi Kitaoka, Yuichiro Endo, Hiroyuki Mishima, Koh-Ichiro Yoshiura, Tomoo Ogi, Hideaki Tanizaki, Mari Wataya-Kaneda, Tomoyasu Hattori, Atsushi Utani
Pseudoxanthoma elasticum (PXE) is a hereditary disease, causing calcification and degeneration of elastic fibers, which affects the skin, eye, cardiovascular systems and gastrointestinal tract. PXE is caused by mutations in the ABCC6 gene. Neither detailed nor large-scale analyses have been accomplished in Japanese patients with PXE. We, therefore, investigated clinical symptoms and ABCC6 gene mutations in 76 Japanese patients. Japanese PXE patients (n = 76) had a significantly lower incidence of vascular lesions than 505 PXE patients in the Leiden Open Variation Database (LOVD) (38...
February 10, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28183512/a-test-in-context-lipoprotein-a-diagnosis-prognosis-controversies-and-emerging-therapies
#11
REVIEW
Sotirios Tsimikas
Evidence that elevated lipoprotein(a) (Lp[a]) levels contribute to cardiovascular disease (CVD) and calcific aortic valve stenosis (CAVS) is substantial. Development of isoform-independent assays, in concert with genetic, epidemiological, translational, and pathophysiological insights, have established Lp(a) as an independent, genetic, and likely causal risk factor for CVD and CAVS. These observations are consistent across a broad spectrum of patients, risk factors, and concomitant therapies, including patients with low-density lipoprotein cholesterol <70 mg/dl...
February 14, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28178182/effects-of-magnesium-on-the-phosphate-toxicity-in-chronic-kidney-disease-time-for-intervention-studies
#12
REVIEW
Yusuke Sakaguchi, Takayuki Hamano, Yoshitaka Isaka
Magnesium, an essential mineral for human health, plays a pivotal role in the cardiovascular system. Epidemiological studies in the general population have found an association between lower dietary magnesium intake and an elevated risk of cardiovascular events. In addition, magnesium supplementation was shown to improve blood pressure control, insulin sensitivity, and endothelial function. The relationship between magnesium and cardiovascular prognosis among patients with chronic kidney disease (CKD) has been increasingly investigated as it is becoming evident that magnesium can inhibit vascular calcification, a prominent risk of cardiovascular events, which commonly occurs in CKD patients...
February 6, 2017: Nutrients
https://www.readbyqxmd.com/read/28168532/high-calcium-magnesium-ratio-in-hair-is-associated-with-coronary-artery-calcification-in-middle-aged-and-elderly-individuals
#13
Byoungjin Park, Mi-Hyun Kim, Choong Keun Cha, Yong-Jae Lee, Kyong-Chol Kim
The interaction between calcium and magnesium as a risk modifier for cardiovascular disease (CVD) has been largely overlooked in previous studies, for the strict regulatory system in blood has been thought to keep such homeostatic interactions under tight control. This study aimed to investigate the association between calcium-magnesium ratio in hair and subclinical coronary artery calcification. Using multiple linear regression analysis, we examined the associations between calcium-magnesium ratio in hair and the coronary calcium score (CCS) in 216 Koreans aged 40 years and above (122 men and 94 women)...
February 6, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28167849/crosstalk-between-vitamins-a-b12-d-k-c-and-e-status-and-arterial-stiffness
#14
REVIEW
Ioana Mozos, Dana Stoian, Constantin Tudor Luca
Arterial stiffness is associated with cardiovascular risk, morbidity, and mortality. The present paper reviews the main vitamins related to arterial stiffness and enabling destiffening, their mechanisms of action, providing a brief description of the latest studies in the area, and their implications for primary cardiovascular prevention, clinical practice, and therapy. Despite inconsistent evidence for destiffening induced by vitamin supplementation in several randomized clinical trials, positive results were obtained in specific populations...
2017: Disease Markers
https://www.readbyqxmd.com/read/28166668/annals-express-association-between-plasma-proprotein-convertase-subtilisin-kexin-type-9-level-and-coronary-artery-calcification
#15
Xi Zhao, Hui-Wen Zhang, Sha Li, Yan Zhang, Rui-Xia Xu, Cheng-Gang Zhu, Na-Qiong Wu, Yuan-Lin Guo, Ping Qing, Xiao-Lin Li, Geng Liu, Qian Dong, Jing Sun, Jianjun Li
BACKGROUND: Plasma proprotein convertase subtilisin/kexin type 9 (PCSK9) has been reported to be related to several risk factors and diseases such as inflammatory markers and coronary artery disease (CAD). The aim of present study was to investigate whether plasma PCSK9 level was associated with coronary artery calcification (CAC). METHODS: A total of 403 consecutive untreated patients with angina-like chest pain who received electron beam computed tomography (EBCT) were enrolled and a CAC score (CACS) was also measured...
January 1, 2017: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/28164126/the-involvement-of-mir-29b-3p-in-arterial-calcification-by-targeting-matrix-metalloproteinase-2
#16
Wenhong Jiang, Zhanman Zhang, Han Yang, Qiuning Lin, Chuangye Han, Xiao Qin
Vascular calcification is a risk predictor and common pathological change in cardiovascular diseases that are associated with elastin degradation and phenotypic transformation of vascular smooth muscle cells via gelatinase matrix metalloproteinase-2 (MMP2). However, the mechanisms involved in this process remain unclear. In this study, we investigated the relationships between miR-29b-3p and MMP2, to confirm miR-29b-3p-mediated MMP2 expression at the posttranscriptional level in arterial calcification. In male Sprague Dawley rats, arterial calcification was induced by subcutaneous injection of a toxic dose of cholecalciferol...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28162989/orbital-atherectomy-for-treating-de-novo-severely-calcified-coronary-lesions-3-year-results-of-the-pivotal-orbit-ii-trial
#17
Michael Lee, Philippe Généreux, Richard Shlofmitz, Daniel Phillipson, Bynthia M Anose, Brad J Martinsen, Stevan I Himmelstein, Jeff W Chambers
BACKGROUND/PURPOSE: The presence of heavy coronary artery calcification increases the complexity of percutaneous coronary intervention (PCI) and increases the incidence of major adverse cardiac events (MACE): death, myocardial infarction (MI), target vessel revascularization (TVR), and stent thrombosis. The ORBIT II (Evaluate the Safety and Efficacy of OAS in Treating Severely Calcified Coronary Lesions) trial reported low rates of procedural, 30-day, 1-year, and 2-year ischemic complications after treatment of de novo, severely calcified lesions with the Diamondback 360° Coronary Orbital Atherectomy System (OAS) (Cardiovascular Systems, Inc...
January 23, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28157718/in-vitro-comparative-assessment-of-decellularized-bovine-pericardial-patches-and-commercial-bioprosthetic-heart-valves
#18
Paola Aguiari, Laura Iop, Francesca Favaretto, Cátia Marisa Lourenco Fidalgo, Filippo Naso, Gabriella Milan, Vincenzo Vindigni, Michel Spina, Franco Bassetto, Andrea Bagno, Roberto Vettor, Gino Gerosa
Notwithstanding their wide exploitation, biological prosthetic heart valves are characterized by limited durability (10-15 years). The treatment of biological tissues with chemical crosslinking agents such as glutaraldehyde accounts for the enhanced risk of structural deterioration associated with the early failure of bioprosthetic valves. To overcome the shortcomings of the currently available solutions, adoption of decellularized biological tissues of animal origin has emerged as a promising approach. The present study aims to assess in vitro cardiovascular scaffolds composed of bovine pericardium decellularized with the novel TRITDOC (TRIton-X100 and TauroDeOxyCholic acid) procedure...
February 3, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28155614/cartilage-oligomeric-matrix-protein-matricellular-and-matricrine-signaling-in-cardiovascular-homeostasis-and-disease
#19
Yi Fu, Wei Kong
Cardiovascular (CV) diseases remain a leading cause of morbidity and mortality in the world. Increasing the understanding of the pathogenesis of various CV diseases may provide novel therapeutic targets to improve their prevention and treatment. Cartilage oligomeric matrix protein (COMP), also known as thrombospondin-5 (TSP-5), is a matricellular protein that is abundantly expressed in both cartilage and the CV system. Our group and others have identified COMP as playing critical roles in maintaining CV homeostasis...
February 1, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28153985/breast-arterial-calcification-expanding-the-reach-of-cardiovascular-prevention
#20
Tamar S Polonsky, Philip Greenland
No abstract text is available yet for this article.
February 7, 2017: Circulation
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