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"Calcium score"

Henrique Simão Trad
No abstract text is available yet for this article.
January 2018: Radiologia Brasileira
David A Goldfarb
No abstract text is available yet for this article.
May 2017: Journal of Urology
Laura Gatto, Francesco Prati
No abstract text is available yet for this article.
February 2018: Journal of Cardiovascular Medicine
Mohammadbagher Tavakoli, Reihane Faraji, Zahra Alirezaei, Zohre Nateghian
Computed tomography coronary angiography (CTCA) has generated a great interest over the past two decades, due to its high diagnostic accuracy and efficacy in the assessment of patients having coronary artery disease. This method is associated with high radiation dose and this has raised serious concerns in the literature. Effective dose (E) is a single parameter meant to reflect the relative risk from exposure to ionizing radiation. Therefore, it is necessary to calculate this parameter to indicate ionizing radiation relative risk...
January 2018: Journal of Medical Signals and Sensors
Philippa Howlett, Jane K Cleal, Huihai Wu, Nikunj Shah, Alex Horton, Nick Curzen, Michael Mahmoudi
Objective: MicroRNAs (miRNAs) may serve as potential biomarkers in a variety of pathologies. The aim of this study was to determine whether miRNAs could serve as blood-based markers of isolated coronary artery calcification (CAC) defined as CAC in the absence of an underlying metabolic abnormality. Methods: 24 age-matched and sex-matched patients who had been referred for elective CT coronary calcium score and angiography as part of investigation for cardiac chest pain were recruited...
2018: Open Heart
Fabian Plank, Christoph Beyer, Guy Friedrich, Markus Stühlinger, Florian Hintringer, Wolfgang Dichtl, Matthias Wildauer, Gudrun Feuchtner
OBJECTIVE: Vitamin K antagonists (VKA) are associated with increased vascular calcification which may lead to an elevated cardiovascular risk. If the direct anticoagulants (DOACs) have similar negative vascular effects is unknown. We evaluated the influence of different anticoagulation strategies on coronary artery disease (CAD) using coronary computed tomography angiography (CTA). METHODS: Overall 702 consecutive patients with non-valvular atrial fibrillation (AF) who underwent CTA for AF ablation planning were enrolled and stratified according to their anticoagulation into VKA, DOAC (all agents) and a control group without oral anticoagulation...
March 6, 2018: International Journal of Cardiology
Mohammad R Ostovaneh, Bharath Ambale-Venkatesh, Tomoki Fuji, Hooman Bakhshi, Ravi Shah, Venkatesh L Murthy, Russell P Tracy, Eliseo Guallar, Colin O Wu, David A Bluemke, João A C Lima
BACKGROUND: The association of cardiovascular diseases (CVD) with liver fibrosis is poorly understood. We aim to assess the association of liver fibrosis by T1-mapping magnetic resonance imaging and CVD in MESA (Multi-Ethnic Study of Atherosclerosis). METHODS AND RESULTS: MESA enrolled 6814 participants free of clinical CVD at baseline (2000-2002). A subsample of participants underwent T1-mapping magnetic resonance imaging 10 years after the baseline (Y10 MESA exam, 2010-2012)...
March 2018: Circulation. Cardiovascular Imaging
Leslee J Shaw, Abhinav Goyal, Christina Mehta, Joe Xie, Lawrence Phillips, Anita Kelkar, Joseph Knapper, Daniel S Berman, Khurram Nasir, Emir Veledar, Michael J Blaha, Roger Blumenthal, James K Min, Reza Fazel, Peter W F Wilson, Matthew J Budoff
BACKGROUND: Cardiovascular disease (CVD) imparts a heavy economic burden on the U.S. health care system. Evidence regarding the long-term costs after comprehensive CVD screening is limited. OBJECTIVES: This study calculated 10-year health care costs for 6,814 asymptomatic participants enrolled in MESA (Multi-Ethnic Study of Atherosclerosis), a registry sponsored by the National Heart, Lung, and Blood Institute, National Institutes of Health. METHODS: Cumulative 10-year costs for CVD medications, office visits, diagnostic procedures, coronary revascularization, and hospitalizations were calculated from detailed follow-up data...
March 13, 2018: Journal of the American College of Cardiology
Karen V Danielsen, Signe Wiese, Jens Hove, Flemming Bendtsen, Søren Møller
BACKGROUND: The relation between excessive alcohol consumption and coronary arteriosclerosis has remained controversial. The etiology of cirrhosis has been considered a substantial risk factor for development of arteriosclerotic lesions. The coronary artery calcium-score derived from coronary CT angiography is a robust marker of coronary arteriosclerosis. AIMS: To study the burden of coronary arteriosclerosis in cirrhotic patients of various etiologies and association to cardiac dysfunction and survival...
March 8, 2018: Digestive Diseases and Sciences
John S Ho, John J Cannaday, Shannon J FitzGerald, David Leonard, Carrie E Finley, Wendy A Wade, Dale B Reinhardt, Joe R Ellis, Carolyn E Barlow, William L Haskell, Laura F Defina, Larry W Gibbons, Kenneth H Cooper
Cardiorespiratory fitness is associated with reduced cardiovascular morbidity and mortality when adjusted for traditional risk factors. Mechanisms by which fitness reduces risk have been studied but remain incompletely understood. We hypothesize that higher fitness is associated with larger coronary artery diameters independent of its effect on traditional risk factors. Two independent measurements of the proximal diameters of the left main, left anterior descending, left circumflex, and right coronary arteries were obtained from gated multidetector computed tomography scans in 500 men from the Cooper Center Longitudinal Study (CCLS)...
February 6, 2018: American Journal of Cardiology
Minyoung Lee, Haeri Baek, Jong Suk Park, Sohee Kim, Chanhee Kyung, Su Jung Baik, Byoung Kwon Lee, Jie-Hyun Kim, Chul Woo Ahn, Kyung Rae Kim, Shinae Kang
Helicobacter pylori is a gastrointestinal pathogen known to be associated with cardiovascular disease (CVD). However, most analyses about the effect of H. pylori infection have been done in patients with a history of CVD but not in healthy subjects. We evaluated the association between H. pylori infection and subclinical atherosclerosis by using cardiac multidetector computed tomography (MDCT) in healthy subjects without previous CVD. From December 2007 to February 2014, 463 subjects who underwent the rapid urease test (CLO test), pulse-wave velocity (PWV) measurement, and MDCT for a self-referred health check-up were enrolled to this study...
2018: PloS One
Ruben V C Buijs, Eva L Leemans, Marcel Greuter, Ignace F J Tielliu, Clark J Zeebregts, Tineke P Willems
OBJECTIVE: Quantification software for coronary calcification is often used to measure abdominal aortic calcification on computed tomography (CT) images. However, there is no evidence substantiating the reliability and accuracy of these tools in this setting. Differences in coronary and abdominal CT acquisition and presence of intravascular contrast may affect the results of these tools. Therefore, this study investigates the effects of CT acquisition parameters and iodine contrast on automated quantification of aortic calcium on CT...
2018: PloS One
Paolo Raggi
The lifetime cardiovascular risk of a diabetic patient is approximately 4-5 times higher than that of an age and sex matched individual without diabetes mellitus. Despite the well-publicized cardiovascular risk equivalence of diabetes mellitus, it has become apparent that not all diabetic patients are equally at high-risk and many patients may have a level of risk similar to that of the general population. Cardiovascular imaging has been employed to address the dilemma of a more accurate risk stratification of diabetic patients...
February 15, 2018: Atherosclerosis
Ivo M Wagensveld, Britt M Blokker, Andrea Pezzato, Piotr A Wielopolski, Nomdo S Renken, Jan H von der Thüsen, Gabriel P Krestin, M G Myriam Hunink, J Wolter Oosterhuis, Annick C Weustink
Aims: The autopsy rate worldwide is alarmingly low (0-15%). Mortality statistics are important, and it is, therefore, essential to perform autopsies in a sufficient proportion of deaths. The imaging autopsy, non-invasive, or minimally invasive autopsy (MIA) can be used as an alternative to the conventional autopsy in an attempt to improve postmortem diagnostics by increasing the number of postmortem procedures. The aim of this study was to determine the diagnostic accuracy of postmortem magnetic resonance imaging (MRI), computed tomography (CT), and CT-guided biopsy for the detection of acute and chronic myocardial ischaemia...
February 20, 2018: European Heart Journal Cardiovascular Imaging
Benjamin Zorach, Peter W Shaw, Jamieson Bourque, Sujith Kuruvilla, Pelbreton C Balfour, Yang Yang, Roshin Mathew, Jonathan Pan, Jorge A Gonzalez, Angela M Taylor, Craig H Meyer, Frederick H Epstein, Christopher M Kramer, Michael Salerno
BACKGROUND: Preliminary semi-quantitative cardiovascular magnetic resonance (CMR) perfusion studies have demonstrated reduced myocardial perfusion reserve (MPR) in patients with angina and risk factors for microvascular disease (MVD), however fully quantitative CMR has not been studied. The purpose of this study is to evaluate whether fully quantitative CMR identifies reduced MPR in this population, and to investigate the relationship between epicardial atherosclerosis, left ventricular hypertrophy (LVH), extracellular volume (ECV), and perfusion...
February 22, 2018: Journal of Cardiovascular Magnetic Resonance
Chun Lap Pang, Nicola Pilkington, Yinghui Wei, Jaime Peters, Carl Roobottom, Chris Hyde
BACKGROUND: Computed tomography (CT) biomarkers claim to improve cardiovascular risk stratification. This review focuses on significant differences in incremental measures between adequate and inadequate reporting practise. METHODS: Studies included were those that used Framingham Risk Score as a baseline and described the incremental value of adding calcium score or CT coronary angiogram in predicting cardiovascular risk. Searches of MEDLINE, EMBASE, Web of Science and Cochrane Central were performed with no language restriction...
February 21, 2018: BMC Cardiovascular Disorders
Daniel Constantino Yazbek, Aluizio Barbosa Carvalho, Cinara Sa Barros, Jose Osmar Medina Pestana, Carlos Eduardo Rochitte, Raul Dias Dos Santos Filho, Maria Eugênia F Canziani
BACKGROUND: Epicardial fat (EF) has been related to increased cardiovascular risk in chronic kidney disease patients. Kidney transplantation is associated with weight gain, especially within the first 12 months. Recently an association between EF and left ventricular mass (LVM) has been suggested in kidney transplant (KTX) recipients. OBJECTIVE: Evaluate the EF in KTX recipients and its association with cardiovascular parameters in a 12-month follow-up study. METHODS: EF volume was determined using thoracic computed tomography...
2018: PloS One
R Flore, M A Zocco, M E Ainora, C Fonnesu, A Nesci, A Gasbarrini, F R Ponziani
OBJECTIVE: To quantify non-coronary vascular calcifications (VC) in asymptomatic patients at low-intermediate cardiovascular risk by a new color Doppler ultrasound (DUS)-based score (the carotid, aortic, lower limbs calcium score, CALCs), and to correlate this score with classical parameters associated with cardiovascular risk [carotid intima media thickness (IMT), and arterial stiffness (AS)]. PATIENTS AND METHODS: All consecutive asymptomatic patients who underwent a screening DUS of non-coronary circulation were evaluated and patients at low-intermediate cardiovascular risk were selected according to Framingham risk score (FRS)...
February 2018: European Review for Medical and Pharmacological Sciences
Adam Leigh, John W McEvoy, Parveen Garg, J Jeffrey Carr, Veit Sandfort, Elizabeth C Oelsner, Matthew Budoff, David Herrington, Joseph Yeboah
OBJECTIVES: This study assessed the utility of the pooled cohort equation (PCE) and/or coronary artery calcium (CAC) for atherosclerotic cardiovascular disease (ASCVD) risk assessment in smokers, especially those who were lung cancer screening eligible (LCSE). BACKGROUND: The U.S. Preventive Services Task Force recommended and the Centers for Medicare & Medicaid Services currently pays for annual screening for lung cancer with low-dose computed tomography scans in a specified group of cigarette smokers...
February 9, 2018: JACC. Cardiovascular Imaging
Li-Yueh Hsu, Matthew Jacobs, Mitchel Benovoy, Allison D Ta, Hannah M Conn, Susanne Winkler, Anders M Greve, Marcus Y Chen, Sujata M Shanbhag, W Patricia Bandettini, Andrew E Arai
OBJECTIVES: The authors developed a fully automated framework to quantify myocardial blood flow (MBF) from contrast-enhanced cardiac magnetic resonance (CMR) perfusion imaging and evaluated its diagnostic performance in patients. BACKGROUND: Fully quantitative CMR perfusion pixel maps were previously validated with microsphere MBF measurements and showed potential in clinical applications, but the methods required laborious manual processes and were excessively time-consuming...
February 9, 2018: JACC. Cardiovascular Imaging
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