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Coronary artery calcium scoring

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https://www.readbyqxmd.com/read/28917674/prognostic-value-of-risk-factors-calcium%C3%A2-score-coronary-cta-myocardial%C3%A2-perfusion-imaging-and-invasive%C3%A2-coronary-angiography-in-kidney%C3%A2-transplantation-candidates
#1
Simon Winther, My Svensson, Hanne Skou Jørgensen, Laust Dupont Rasmussen, Niels Ramsing Holm, Lars Christian Gormsen, Kirsten Bouchelouche, Hans Erik Bøtker, Per Ivarsen, Morten Bøttcher
OBJECTIVES: This study sought to perform a prospective head-to-head comparison of the predictive value of clinical risk factors and a variety of cardiac imaging modalities including coronary artery calcium score (CACS), coronary computed tomography angiography (CTA), single-photon emission computed tomography (SPECT), and invasive coronary angiography (ICA) on major adverse cardiac events (MACE) and all-cause mortality in kidney transplantation candidates. BACKGROUND: Current guidelines recommend screening for coronary artery disease in kidney transplantation candidates...
September 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28916890/coronary-calcium-score-influences-referral-for-invasive-coronary-angiography-after-normal-myocardial-perfusion-spect
#2
Shu Yokota, Mohamed Mouden, Jan Paul Ottervanger, Elsemiek Engbers, Pieter L Jager, Jorik R Timmer, Siert Knollema
BACKGROUND: In patients with normal SPECT but persistent complaints, invasive angiography may exclude obstructive coronary disease. We assessed whether high coronary artery calcium (CAC) scores are associated with increased referral for invasive angiography following normal SPECT. METHODS AND RESULTS: 2286 consecutive patients (mean age 60 ± 12, 39% male) with normal SPECT were assessed. All patients underwent simultaneous CAC scoring. Patients were categorized into four groups based on their CAC score: CAC = 0 (n = 694), CAC 1 to 100 (n = 891), CAC 101 to 400 (n = 368), and CAC >400 (n = 333)...
September 15, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28916241/relationship-of-echocardiographic-epicardial-fat-thickness-and-epicardial-fat-volume-by-computed-tomography-with-coronary-artery-calcification-data-from-the-caesar-study
#3
Byung Jin Kim, Jung Gyu Kang, Sung Ho Lee, Jong Young Lee, Ki Chul Sung, Bum Soo Kim, Jin Ho Kang
BACKGROUND AND AIMS: No study has assessed the association between echocardiographic epicardial fat thickness (EFT) and computed tomography (CT)-based epicardial fat volume (EFV) and coronary artery calcification. The aim of this study is to evaluate the association between EFT and EFV and coronary artery calcification. METHODS: Among the 2,299 individuals enrolled in the CArdiometabolic risk, Epicardial fat, and Subclinical Atherosclerosis Registry (CAESAR) study, 2,276 (1,851 men; mean age 45 ± 8...
September 12, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28904076/residual-angina-after-elective-percutaneous-coronary-intervention-in-patients-with-diabetes-mellitus
#4
Anna Grodzinsky, Mikhail Kosiborod, Fengming Tang, Philip G Jones, Darren K McGuire, John A Spertus, John F Beltrame, Jae-Sik Jang, Abhinav Goyal, Neel M Butala, Robert W Yeh, Suzanne V Arnold
BACKGROUND: Previous studies suggest that among patients with stable coronary artery disease, patients with diabetes mellitus (DM) have less angina and more silent ischemia when compared with those without DM. However, the burden of angina in diabetic versus nondiabetic patients after elective percutaneous coronary intervention (PCI) has not been recently examined. METHODS AND RESULTS: In a 10-site US PCI registry, we assessed angina before and at 1, 6, and 12 months after elective PCI with the Seattle Angina Questionnaire angina frequency score (range, 0-100, higher=better)...
September 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28899385/coronary-artery-calcium-score-plays-an-important-role-for-cardiovascular-risk-stratification-in-the-statin-benefit-groups-of-asymptomatic-individuals
#5
Dong-Hyeon Lee, Ho-Joong Youn, Hae-Ok Jung, Kiyuk Chang, Yun-Seok Choi, Jung Im Jung
BACKGROUND: The purpose of this study was to describe and analyze the relationship between statin benefit groups based on statin-intensity class of drugs and coronary artery calcium score (CACS) using multidetector computed tomography (MDCT) in an asymptomatic Korean population. METHODS: A total of 3914 asymptomatic individuals (mean age: 55 ± 10 years; male: female = 2649: 1265) who underwent MDCT for health examination between January 2009 and December 2012 were retrospectively enrolled...
September 12, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28895189/-diagnosis-of-a-hiatal-hernia-from-a-ct-coronary-artery-calcium-scan
#6
Edmund Kenneth Kerut, John T Balart
Identification of a hiatal hernia by computed tomography (CT) scanning, and particularly with axial imaging from a coronary artery calcium score exam, is often subjective. There are several CT features that are diagnostic or at least suggestive of a hiatal hernia. As a hiatal hernia may be the etiology of a chest pain syndrome, it is important to be aware of CT findings suggestive of such.
September 12, 2017: Echocardiography
https://www.readbyqxmd.com/read/28892753/the-risk-of-coronary-artery-disease-estimated-non-invasively-in-patients-with-essential-hypertension-environmentally-exposed-to-cigarette-smoke
#7
Paweł Gać, Przemysław Jaźwiec, Małgorzata Poręba, Grzegorz Mazur, Krystyna Pawlas, Małgorzata Sobieszczańska, Rafał Poręba
BACKGROUND: The relationship between environmental exposure of non-smokers to cigarette smoke and the coronary artery calcium scores has not been sufficiently documented. The aim of the study was to identify the relationship between environmental exposure to cigarette smoke and the risk of coronary artery disease (CAD) estimated non-invasively through measurement of coronary artery calcium score by computed tomography in patients with essential hypertension. MATERIAL AND METHODS: The study was conducted on 67 patients with essential hypertension, non-smokers environmentally exposed to cigarette smoke (group A) and on 67 patients with essential hypertension, non-smokers not exposed to cigarette smoke (group B), selected using the case to case...
September 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28886899/frailty-and-subclinical-coronary-atherosclerosis-the-multicenter-aids-cohort-study-macs
#8
Sai Krishna C Korada, Di Zhao, Martin Tibuakuu, Todd T Brown, Lisa P Jacobson, Eliseo Guallar, Robert K Bolan, Frank J Palella, Joseph B Margolick, Jeremy J Martinson, Matthew J Budoff, Wendy S Post, Erin D Michos
BACKGROUND AND AIMS: Frailty and cardiovascular disease share many risk factors. We evaluated whether frailty is independently associated with subclinical coronary atherosclerosis and whether any relationships differ by HIV-serostatus. METHODS: We studied 976 [62% HIV-infected] male participants of the Multicenter AIDS Cohort Study who underwent assessment of frailty and non-contrast cardiac CT scanning; of these, 747 men also underwent coronary CT angiography (CCTA)...
August 26, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28871240/in-vivo-and-in-vitro-analysis-in-coronary-artery-disease-related-to-type-2-diabetes
#9
Teresa Infante, Ernesto Forte, Marco Aiello, Marco Salvatore, Carlo Cavaliere
AIM: The leading cause of morbidity and mortality in patients with type 2 diabetes mellitus (DM) is coronary artery disease (CAD), a condition often asymptomatic but severe in these patients. Although glucose metabolism impairment and oxidative stress are known actors in the endothelial dysfunction/remodeling that occurs in diabetic patients, the relationship between cardiovascular disorders and DM is not fully understood. We have performed both an in vivo imaging and in vitro molecular analysis to investigate diabetic-specific CAD alterations...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28867263/effects-of-hyperthyroidism-on-coronary-artery-disease-a%C3%A2-computed-tomography-angiography-study
#10
Christoph Beyer, Fabian Plank, Guy Friedrich, Matthias Wildauer, Gudrun Feuchtner
BACKGROUND: Changes in thyroid hormone concentration can negatively affect the cardiovascular system. Subclinical hyperthyroidism has been linked to an increase of cardiovascular heart disease, however, clinical effects and significance are still uncertain. Therefore, we analyzed coronary computed tomography angiographies of patients with overt and subclinical hyperthyroidism for quantitative parameters and plaque morphology. METHODS: Seven hundred forty-four (47...
July 17, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28865096/the-predictive-value-of-coronary-artery-calcium-detected-by-computed-tomography-in-a-prospective-study-on-cardiac-allograft-vasculopathy-in-heart-transplant-patients
#11
Anne Günther, Rune Andersen, Einar Gude, Jarl Jakobsen, Thor Edvardsen, Leiv Sandvik, Andreas Abildgaard, Lars Aaberge, Lars Gullestad
The predictive value of coronary artery calcium (CAC) in heart transplant (HTX) patients is not established. We explored if the absence of CAC on computed tomography (CT) could exclude moderate and severe cardiac allograft vasculopathy (CAV₂₋₃; the International Society for Heart and Lung Transplantation [ISHLT] recommended nomenclature) and significant coronary artery stenosis (diameter reduction ≥50%), and predict long-term clinical outcomes. HTX recipients (n=133) were prospectively included and underwent CT for CAC scoring and invasive coronary angiography (ICA) 7...
September 2, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28864316/relation-of-diastolic-blood-pressure-and-coronary-artery-calcium-to-coronary-events-and-outcomes-from-the-multi-ethnic-study-of-atherosclerosis
#12
Faisal Rahman, Mahmoud Al Rifai, Michael J Blaha, Khurram Nasir, Matthew J Budoff, Bruce M Psaty, Wendy S Post, Roger S Blumenthal, John W McEvoy
Diastolic blood pressure has a J-curve relation with coronary heart disease and death. Because this association is thought to reflect reduced coronary perfusion at low diastolic blood pressure, we hypothesized that the J-curve would be most pronounced in persons with coronary artery calcium. In 6,811 participants from the Multi-Ethnic Study of Atherosclerosis, we used Cox models to examine if diastolic blood pressure category is associated with coronary heart disease events, stroke, and mortality. Analyses were conducted in the sample overall and after stratification by coronary artery calcium score...
August 8, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28860220/interleukin-18-enhances-vascular-calcification-and-osteogenic-differentiation-of-vascular-smooth-muscle-cells-through-trpm7-activation
#13
Kun Zhang, Yinyin Zhang, Weijing Feng, Renhua Chen, Jie Chen, Rhian M Touyz, Jingfeng Wang, Hui Huang
OBJECTIVE: Vascular calcification (VC) is an important predictor of cardiovascular morbidity and mortality. Osteogenic differentiation of vascular smooth muscle cells (VSMCs) is a key mechanism of VC. Recent studies show that IL-18 (interleukin-18) favors VC while TRPM7 (transient receptor potential melastatin 7) channel upregulation inhibits VC. However, the relationship between IL-18 and TRPM7 is unclear. We questioned whether IL-18 enhances VC and osteogenic differentiation of VSMCs through TRPM7 channel activation...
August 31, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28843465/coronary-artery-calcium-imaging-in-the-robinsca-trial-rationale-design-and-technical-background
#14
REVIEW
Marleen Vonder, Carlijn M van der Aalst, Rozemarijn Vliegenthart, Peter M A van Ooijen, Dirkjan Kuijpers, Jan Willem Gratama, Harry J de Koning, Matthijs Oudkerk
RATIONALE AND OBJECTIVES: To describe the rationale, design, and technical background of coronary artery calcium (CAC) imaging in the large-scale population-based cardiovascular disease screening trial (Risk Or Benefit IN Screening for CArdiovascular Diseases [ROBINSCA]). MATERIALS AND METHODS: First, literature search was performed to review the logistics, setup, and settings of previously performed CAC imaging studies, and current clinical CAC imaging protocols of participating centers in the ROBINSCA trial were evaluated...
August 23, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28833626/cardiac-imaging-to-detect-coronary-artery-disease-in-athletes-aged-35-years-and-older-a-scoping-review
#15
Thijs L Braber, Johannes B Reitsma, Arend Mosterd, Martin J Willemink, Niek H J Prakken, Martin Halle, Sanjay Sharma, Birgitta K Velthuis
Sudden cardiac death (SCD) is a devastating event in athletes. Screening efforts that were first directed at athletes younger than 35 years, are now focusing on the rapidly growing group of older sportspersons. Athletes aged ≥35 years have a 10-fold increased risk of exercise-related cardiac arrest, mostly due to coronary artery disease (CAD). Although cardiac imaging is pivotal in identifying CAD, the role of imaging modalities in screening asymptomatic older sportspersons remains unclear. We performed a scoping review to identify the role of cardiac imaging to detect CAD in older sportspersons and to identify gaps in the existing literature...
August 23, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28832417/2016-scct-str-guidelines-for-coronary-artery-calcium-scoring-of-noncontrast-noncardiac-chest-ct-scans-a-report-of-the-society-of-cardiovascular-computed-tomography-and-society-of-thoracic-radiology
#16
Harvey S Hecht, Paul Cronin, Michael J Blaha, Matthew J Budoff, Ella A Kazerooni, Jagat Narula, David Yankelevitz, Suhny Abbara
The Society of Cardiovascular Computed Tomography (SCCT) and the Society of Thoracic Radiology (STR) have jointly produced this document. Experts in this subject have been selected from both organizations to examine subject-specific data and write this guideline in partnership. A formal literature review, weighing the strength of evidence has been performed. When available, information from studies on cost was considered. Computed tomography (CT) acquisition, CAC scoring methodologies and clinical outcomes are the primary basis for the recommendations in this guideline...
September 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28830786/relation-between-serum-levels-of-chemotaxis-related-factors-and-the-presence-of-coronary-artery-calcification-as-expression-of-subclinical-atherosclerosis
#17
Juan Carlos Muñoz, Rubén Martín, Carmen Alonso, Beatriz Gutiérrez, María Luisa Nieto
BACKGROUND: Atherosclerotic plaque formation is characterized by recruitment of monocytes/macrophages, which contributes to its calcification by releasing pro-osteogenic cytokines. Chemotaxis-related proteins, including netrin-1, gremlin-1 and macrophage inflammatory protein-1β (MIP-1β), regulate immune cell migration. However, their relation with the presence of subclinical atherosclerosis, assessed by measures of coronary artery calcifications (CAC) in patients without known coronary artery disease (CAD), remains unclear...
August 19, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28817814/cardiac-computed-tomography-angiographic-findings-as-predictors-of-late-heart-failure-in-an-asymptomatic-diabetic-cohort-an-8-year-prospective-follow-up-study
#18
David A Halon, Jubran Ayman, Ronen Rubinshtein, Barak Zafrir, Mali Azencot, Basil S Lewis
OBJECTIVES: Predictive models for heart failure (HF) in heterogeneous populations have had limited success. We examined cardiac computed tomography angiography (CTA) predictors of HF or cardiovascular death (HF-CVD) in a prospective study of asymptomatic diabetics undergoing baseline assessment by CTA. METHODS: The subjects (n = 735, aged 55-74 years, 51.2% women) had no clinical history of cardiovascular disease at study entry. Coronary artery calcium (CAC) score, CTA-defined coronary atherosclerosis, cardiac chamber volumes, and clinical data were collected and late outcome events recorded over 8...
August 18, 2017: Cardiology
https://www.readbyqxmd.com/read/28815291/prognostic-value-of-atherosclerotic-burden-and-coronary-vascular-function-in-patients-with-suspected-coronary-artery-disease
#19
Roberta Assante, Wanda Acampa, Emilia Zampella, Parthiban Arumugam, Carmela Nappi, Valeria Gaudieri, Ciro Gabriele Mainolfi, Mariarosaria Panico, Mario Magliulo, Christine M Tonge, Mario Petretta, Alberto Cuocolo
PURPOSE: To evaluate the prognostic value of coronary atherosclerotic burden, assessed by coronary artery calcium (CAC) score, and coronary vascular function, assessed by coronary flow reserve (CFR) in patients with suspected coronary artery disease (CAD). METHODS: We studied 436 patients undergoing hybrid (82)Rb positron emission tomography/computed tomography imaging. CAC score was measured according to the Agatston method, and patients were categorized into three groups (0, <400, and ≥400)...
August 16, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28814488/association-of-cardiovascular-disease-risk-factors-with-coronary-artery-calcium-volume-versus-density
#20
Isac C Thomas, Brandon Shiau, Julie O Denenberg, Robyn L McClelland, Philip Greenland, Ian H de Boer, Bryan R Kestenbaum, Gen-Min Lin, Michael Daniels, Nketi I Forbang, Dena E Rifkin, Jan Hughes-Austin, Matthew A Allison, J Jeffrey Carr, Joachim H Ix, Michael H Criqui
OBJECTIVES: Recently, the density score of coronary artery calcium (CAC) has been shown to be associated with a lower risk of cardiovascular disease (CVD) events at any level of CAC volume. Whether risk factors for CAC volume and CAC density are similar or distinct is unknown. We sought to evaluate the associations of CVD risk factors with CAC volume and CAC density scores. METHODS: Baseline measurements from 6814 participants free of clinical CVD were collected for the Multi-Ethnic Study of Atherosclerosis...
August 16, 2017: Heart: Official Journal of the British Cardiac Society
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