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coronary artery calcification

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https://www.readbyqxmd.com/read/29050797/25-year-physical-activity-trajectories-and-development-of-subclinical-coronary-artery-disease-as-measured-by-coronary-artery-calcium-the-coronary-artery-risk-development-in-young-adults-cardia-study
#1
Deepika R Laddu, Jamal S Rana, Rosenda Murillo, Michael E Sorel, Charles P Quesenberry, Norrina B Allen, Kelley P Gabriel, Mercedes R Carnethon, Kiang Liu, Jared P Reis, Donald Lloyd-Jones, J Jeffrey Carr, Stephen Sidney
OBJECTIVE: To evaluate 25-year physical activity (PA) trajectories from young to middle age and assess associations with the prevalence of coronary artery calcification (CAC). PATIENTS AND METHODS: This study includes 3175 participants in the Coronary Artery Risk Development in Young Adults (CARDIA) study who self-reported PA by questionnaire at 8 follow-up examinations over 25 years (from March 1985-June 1986 through June 2010-May 2011). The presence of CAC (CAC>0) at year 25 was measured using computed tomography...
October 13, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29050736/-complicated-transcatheter-aortic-valve-endocarditis-with-abscess-and-pseudoaneurysm-value-of-the-ecg-gated-multidetector-computed-tomography-angiography
#2
S Pichard, G Gibault-Genty, A Vienet-Legue, N Baron, R Convers-Domart, J L Georges, B Livarek
A 80-year-old man was admitted to catheterization room for an acute infero-lateral ST-elevation myocardial infarction (STEMI). Coronary angiography showed a thrombotic occlusion of the second left marginal branch, and normal other coronary arteries. The thrombo-embolic mechanism of the STEMI, and the infectious context in this patient who had had a transcatheter aortic valve implantation (TAVI) two months earlier, led us to suspect a bioprosthesis endocarditis. It was confirmed by transthoracic and transoesophageal echocardiography, which showed an aortic-mitral curtain abscess and aortic bioprosthesis vegetations, associated to Enterococcus faecalis bacteriemia...
October 16, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29045041/orbital-and-rotational-atherectomy-during-percutaneous-coronary-intervention-for-coronary-artery-calcification
#3
Michael S Lee, Jonathan S Gordin, Gregg W Stone, Samin K Sharma, Shigeru Saito, Ehtisham Mahmud, Jeff Chambers, Philippe Généreux, Richard Shlofmitz
Severe coronary artery calcification (CAC) increases the complexity of percutaneous coronary intervention (PCI) by inhibiting optimal stent expansion, leading to an increased risk of death, myocardial infarction, repeat revascularization, and stent thrombosis. Coronary atherectomy modifies and debulks calcified plaque to facilitate PCI. Although there is no clear consensus, and further studies are needed, the decision to perform atherectomy should be based upon the presence of fluoroscopic CAC or with the use of intravascular imaging...
October 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29042790/evaluation-of-vitamin-d-levels-in-relation-to-coronary-ct-angiographic-findings-in-an-iranian-population
#4
Maryam Moradi, Ali Foroutanfar
BACKGROUND: Vitamin D deficiency, as a predisposing factor for coronary artery disease (CAD), is a subject of increasing interest. However, its role as a risk factor has not been proven. This study aimed to investigate the relationship between serum vitamin D levels and CAD. MATERIALS AND METHODS: Using a cross-sectional design, 180 patients who were candidates for coronary computed tomography angiography (CCTA) were selected. Serum levels of vitamin D were measured and compared with the results of CCTA (including calcium score, and presence and severity of coronary artery involvement due to atherosclerotic plaques)...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/29042080/apol1-nephropathy-risk-variants-do-not-associate-with-subclinical-atherosclerosis-or-left-ventricular-mass-in-middle-aged-black-adults
#5
Orlando M Gutiérrez, Sophie Limou, Feng Lin, Carmen A Peralta, Holly J Kramer, J Jeffrey Carr, Kirsten Bibbins-Domingo, Cheryl A Winkler, Cora E Lewis, Jeffrey B Kopp
Prior studies reported associations of APOL1 nephropathy risk variants with subclinical atherosclerosis. However, these findings were limited to older individuals with high comorbidities. To evaluate this in younger individuals, we calculated associations of APOL1 risk variants (high risk [2 risk variants] vs. low risk [0-1 risk variant]) with prevalent, incident, or progressive coronary artery calcification, a carotid intima media thickness over the 90th percentile, and left ventricular hypertrophy in 1315 black participants of the Coronary Artery Risk Development in Young Adults (CARDIA) study...
October 14, 2017: Kidney International
https://www.readbyqxmd.com/read/29041882/-specific-characteristics-of-coronary-atherosclerosis
#6
S V Pykhteev, A K Lashevich, P A Bogdan, A S Belash
In this review, we present modern aspects of etiology and pathogenesis of atherosclerosis. We describe the roles played by inflammatory cells, components of cellular response in allergic reactions, disturbances of carbohydrate metabolism, cellular aging, and infection at various stages of formation of atherosclerotic plaques. Special attention is given to the specific characteristics of atherosclerosis and calcification of coronary arteries. We show the influence of age and gender on the disease progression...
July 2017: Kardiologiia
https://www.readbyqxmd.com/read/29037758/the-association-of-vertebrobasilar-calcification-with-etiological-subtypes-stroke-recurrence-and-outcome-in-acute-brainstem-ischemic-stroke
#7
Elif Gökçal, Elvin Niftaliyev, Tuğçe Özdemir, Mehmet Kolukısa, Talip Asil
Arterial calcification (AC), a frequent finding on imaging studies, has been reported as a risk factor for ischemic stroke. However few studies have explored the association of AC with etiological subtypes and prognostic implications. The purpose of this study was to investigate the association of AC with demograhics, risk factors and etiological subtypes and to determine whether it predicts stroke recurrence and functional outcome in patients with acute brainstem ischemic stroke. We analyzed our database consisting of patients who were diagnosed as acute brainstem ischemic stroke admitted within 24hours of onset...
October 9, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29036433/left-ventricular-hypertrophy-predicts-cardiovascular-events-in-hypertensive-patients-with-coronary-artery-calcifications
#8
Chagai Grossman, Michael Levin, Nira Koren-Morag, Gill Bornstein, Avshalom Leibowitz, Ilan Ben-Zvi, Joseph Shemesh, Ehud Grossman
Background: Coronary artery calcification (CAC) is associated with increased cardiovascular (CV) risk. Left ventricular hypertrophy (LVH) is an independent risk factor for CV events. Our aim was to estimate the relative CV risk of LVH in the presence of CAC. Methods: We included asymptomatic hypertensive patients who were enrolled in the calcification arm of the INSIGHT (International Nifedipine Study Intervention as Goal for Hypertension Therapy). Patients had baseline echocardiography and computed tomography (CT) to assess CAC...
October 5, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29035431/prognostic-application-of-thoracic-aortic-calcium-scoring-for-adverse-clinical-outcome-risk-in-elderly-patients-with-left-ventricular-hypertrophy
#9
In Jeong Cho, Hyuk Jae Chang, Sang Eun Lee, Chi Young Shim, Geu Ru Hong, Namsik Chung
BACKGROUND AND OBJECTIVES: Left ventricular hypertrophy (LVH) is associated with poor cardiovascular outcomes. Heavy aortic calcification exacerbates arterial stiffness, which consequently heightens left ventricular (LV) afterload. We assessed the usefulness of aortic calcification for predicting adverse cardiovascular outcomes and to determine whether the relationship, if any, differed as a function of LVH. METHODS: The analytic sample was comprised of a total of 487 individuals 65 years of age or older...
September 18, 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/29034031/coronary-artery-bypass-surgery-in-end-stage-renal-disease-patients
#10
REVIEW
Daijiro Hori, Atsushi Yamaguchi, Hideo Adachi
The number of patients requiring hemodialysis is continuously increasing around the world. Hemodialysis affects patient quality of life and it is also associated with a higher risk for cardiovascular events. In addition to traditional risk factors for cardiovascular events such as hypertension, hyperlipidemia, and diabetes, hemodialysis is associated with hyperphosphatemia, chronic inflammation, vascular calcification, and anemia which accelerate atherosclerosis, vascular stiffness, and cardiac ischemia. Treatment strategy for coronary revascularization in this progressive disease remains controversial...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29030347/extracellular-matrix-proteomics-reveals-interplay-of-aggrecan-and-aggrecanases-in-vascular-remodeling-of-stented-coronary-arteries
#11
Gonca Suna, Wojciech Wojakowski, Marc Lynch, Javier Barallobre-Barreiro, Xiaoke Yin, Ursula Mayr, Ferheen Baig, Ruifang Lu, Marika Fava, Robert Hayward, Chris Molenaar, Stephen J White, Tomasz Roleder, Krzysztof Milewski, Pawel Gasior, Piotr P Buszman, Pawel E Buszman, Marjan Jahangiri, Cathy Shanahan, Jonathan M Hill, Manuel Mayr
Background -Extracellular matrix (ECM) remodeling contributes to in-stent restenosis and thrombosis. Despite its important clinical implications little is known about ECM changes post-stent implantation. Methods -Bare-metal (BMS) and drug-eluting stents (DES) were implanted in pig coronary arteries with an overstretch under optical coherence tomography guidance. Stented segments were harvested 1, 3, 7, 14 and 28 days post-stenting for proteomics analysis of the media and neointima. Results -A total of 151 ECM and ECM-associated proteins were identified by mass spectrometry...
October 13, 2017: Circulation
https://www.readbyqxmd.com/read/29029196/association-between-coronary-artery-calcification-and-the-hemoglobin-glycation-index-the-kangbuk-samsung-health-study
#12
Eun-Jung Rhee, Jung-Hwan Cho, Hyemi Kwon, Se Eun Park, Cheol-Young Park, Ki-Won Ho, Sung-Woo Park, Won-Young Lee
Context: The hemoglobin glycation index (HGI) is known to be correlated with the risk of cardiovascular disease. Objective: To analyze the association between incident coronary artery calcification (CAC) and the changes in the HGI in participants without diabetes, over 4 years. Design: Setting, and Participants: A retrospective study of two-thousand-and-fifty-two participants in whom the coronary artery calcium score (CACS) was measured repeatedly over 4 years, as part of a health check-up program in Kangbuk Samsung Hospital, and had no CAC at the baseline...
September 27, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29028083/association-between-advanced-oxidation-protein-products-aopp-and-vascular-calcification-in-uremic-patients
#13
L Lin, G-J Zhao, L-L Qin
OBJECTIVE: To investigate the correlation between serum advanced oxidation protein products (AOPP) and vascular calcification in uremic patients. PATIENTS AND METHODS: The general data of included subjects were collected, and the serum AOPP, intact parathyroid hormone (iPTH), creatinine (Cre), Urea, calcium (Ca), phosphorus (P), total cholesterol (TC), triglyceride (TG), low density lipoprotein cholesterin (LDL-C), hemoglobin (Hb) and albumin (ALB) were detected...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29025708/intermuscular-adipose-tissue-and-subclinical-coronary-artery-calcification-in-midlife-the-cardia-study-coronary-artery-risk-development-in-young-adults
#14
James G Terry, Christina M Shay, Pamela J Schreiner, David R Jacobs, Otto A Sanchez, Jared P Reis, David C Goff, Samuel S Gidding, Lyn M Steffen, John Jeffrey Carr
OBJECTIVE: Excess deposition of fat within and around vital organs and nonadipose tissues is hypothesized to contribute to cardiovascular disease (CVD) risk. We evaluated the association of abdominal intermuscular adipose tissue (IMAT) volume with coronary artery calcification in CARDIA study (Coronary Artery Risk Development in Young Adults) participants. APPROACH AND RESULTS: We measured IMAT in the abdominal muscles, visceral adipose tissue and pericardial adipose tissue, and coronary artery calcification using computed tomography in 3051 CARDIA participants (56% women) at the CARDIA year 25 examination (2010-2011)...
October 12, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29023576/overexpression-of-tissue-nonspecific-alkaline-phosphatase-tnap-in-endothelial-cells-accelerates-coronary-artery-disease-in-a-mouse-model-of-familial-hypercholesterolemia
#15
Filippo Romanelli, AnthonyMarco Corbo, Maryam Salehi, Manisha C Yadav, Soha Salman, David Petrosian, Omid J Rashidbaigi, Jesse Chait, Jes Kuruvilla, Maria Plummer, Ilian Radichev, Kenneth B Margulies, A Martin Gerdes, Anthony B Pinkerton, José Luis Millán, Alexei Y Savinov, Olga V Savinova
OBJECTIVE: Overexpression of tissue-nonspecific alkaline phosphatase (TNAP) in endothelium leads to arterial calcification in mice. The purpose of this study was to examine the effect of elevated endothelial TNAP on coronary atherosclerosis. In addition, we aimed to examine endogenous TNAP activity in human myocardium. APPROACH AND RESULTS: A vascular pattern of TNAP activity was observed in human non-failing, ischemic, and idiopathic dilated hearts (5 per group); no differences were noted between groups in this study...
2017: PloS One
https://www.readbyqxmd.com/read/29020908/cardiac-society-of-australia-and-new-zealand-position-statement-executive-summary-coronary-artery-calcium-scoring
#16
Christian R Hamilton-Craig, Clara K Chow, John F Younger, V M Jelinek, Jonathan Chan, Gary Yh Liew
Introduction This article summarises the Cardiac Society of Australia and New Zealand position statement on coronary artery calcium (CAC) scoring. CAC scoring is a non-invasive method for quantifying coronary artery calcification using computed tomography. It is a marker of atherosclerotic plaque burden and the strongest independent predictor of future myocardial infarction and mortality. CAC scoring provides incremental risk information beyond traditional risk calculators such as the Framingham Risk Score...
October 16, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/29016370/heavily-calcified-coronary-arteries-advanced-calcium-subtraction-improves-luminal-visualization-and-diagnostic-confidence-in-dual-energy-coronary-computed-tomography-angiography
#17
Domenico De Santis, Kwang Nam Jin, U Joseph Schoepf, Katharine L Grant, Carlo N De Cecco, John W Nance, Thomas J Vogl, Andrea Laghi, Moritz H Albrecht
OBJECTIVES: The aim of this study was to evaluate a prototype dual-energy computed tomography calcium subtraction algorithm and its impact on luminal visualization in patients with heavily calcified coronary arteries. MATERIALS AND METHODS: Twenty-nine patients (62% male; mean age, 64 ± 7 years) who had undergone dual-energy coronary computed tomography angiography were retrospectively included in this institutional review board-approved, Health Insurance Portability and Accountability Act-compliant study...
October 9, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28992280/plasma-biomarkers-improve-prediction-of-diabetic-kidney-disease-in-adults-with-type-1-diabetes-over-a-12-year-follow-up-cacti-study
#18
Petter Bjornstad, Laura Pyle, David Z I Cherney, Richard J Johnson, Rachel Sippl, Randy Wong, Marian Rewers, Janet K Snell-Bergeon
Background: The objective of the study was to determine whether plasma biomarkers of kidney injury improve the prediction of diabetic kidney disease (DKD) in adults with type 1 diabetes (T1D) over a period of 12 years. Methods: Participants ( n  = 527, 53% females) in the Coronary Artery Calcification in T1D (CACTI) Study were examined during 2002-04, at a mean (± standard deviation) age of 39.6 ± 9.0 years with 24.8 years as the median duration of diabetes...
August 21, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28986768/scarce-occurrence-of-calcification-in-human-sinoatrial-nodal-arteries-in-old-age
#19
Yoshiyuki Tohno, Setsuko Tohno, Ranida Quiggins, Takeshi Minami, Pasuk Mahakkanukrauh
To elucidate age-related changes of the sinoatrial (sinuatrial) nodal (SAN) artery, the authors investigated age-related changes of elements in the SAN artery by direct chemical analysis. In addition, the effects of different arterial origins, arterial sizes, and genders on element accumulation were investigated in the SAN artery. Fifty-nine formalin-fixed adult Thai hearts were dissected, and the following three types of the SAN artery were found: The first type was a single SAN artery arising from the right coronary artery (RCA)...
October 7, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28986404/predictors-of-successful-chronic-total-occlusion-percutaneous-coronary-interventions-a-systematic-review-and-meta-analysis
#20
Nelson Wang, Jordan Fulcher, Nishan Abeysuriya, Mark Adams, Sean Lal
OBJECTIVE: The aim of this study was to identify positive and negative predictors of technical and clinical success for percutaneous coronary intervention (PCI) of chronic total occlusions (CTO). METHODS: We conducted a systematic review and meta-analysis of studies published between 2000 and 2016 analysing rates of CTO PCI success with respect to demographic and angiographic characteristics. Crude ORs and 95% CIs for each predictor were calculated using a random effects model...
October 6, 2017: Heart: Official Journal of the British Cardiac Society
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