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https://www.readbyqxmd.com/read/28543093/relationship-between-carotid-atherosclerosis-and-coronary-artery-calcification-in-asymptomatic-diabetic-patients-a-prospective-multicenter-study
#1
Anand Jeevarethinam, Shreenidhi Venuraju, Alain Dumo, Sherezade Ruano, Vishal S Mehta, Miranda Rosenthal, Devaki Nair, Mark Cohen, Daniel Darko, Avijit Lahiri, Roby Rakhit
BACKGROUND: The value of screening sub-clinical atherosclerosis in asymptomatic patients with type 2 diabetes mellitus (T2DM) remains controversial. HYPOTHESIS: An integrated model incorporating carotid intima-media thickness (CIMT) and carotid plaque with traditional risk factors can be used to predict prevalence and severity of coronary artery calcification in asymptomatic T2DM patients. METHODS: A cohort of 262 asymptomatic T2DM patients were prospectively studied with carotid ultrasound to evaluate CIMT and carotid plaque and also a computed tomography coronary artery calcium (CT-CAC) scan...
May 25, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28541597/patients-with-acute-myocardial-infarction-and-severe-target-lesion-calcifications-undergoing-percutaneous-coronary-intervention-have-poor-long-term-prognosis
#2
Wojciech Jan Zimoch, Piotr Kubler, Michał Kosowski, Brunon Tomasiewicz, Justyna Krzysztofik, Anna Langner, Ewa Anita Jankowska, Krzysztof Reczuch
BACKGROUND: To assess the influence of severe target lesion calcification (TLC) on outcomes of patients undergoing percutaneous coronary interventions (PCI) due to acute myocardial infarction (AMI). AIM: Contemporary data concerning coronary artery calcifications (CAC) are based on pooled analyses from randomized trials with short follow up. We still lack the knowledge on how CAC in target lesions affect long term prognosis of patients with AMI in everyday practice...
May 25, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28535166/adult-height-prevalent-coronary-calcium-score-and-incident-cardiovascular-outcomes-in-a-multi-ethnic-cohort
#3
Joseph Yeboah, Michael J Blaha, Erin D Michos, Waqas Qureshi, Michael Miedema, Peter Flueckiger, Carlos J Rodriguez, Moyses Szklo, Alain G Bertoni
We assessed the relationships among adult height, coronary artery calcium (CAC) scores, incident atherosclerotic cardiovascular disease (ASCVD) events, and atrial fibrillation (Afib) in a multi-ethnic cohort. We used race/ethnicity -specific height (dichotomized by median and quartiles) as the predictor variable within the four race/ethnic groups in the Multi-Ethnic Study of Atherosclerosis (N = 6,814). After a mean of 10.2 years of follow-up (2000-2012), 556 ASCVD events (8.2%) and 539 afib events (7.9%) occurred...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28535062/supramolecular-hydrogel-formation-in-a-series-of-self-assembling-lipopeptides-with-varying-lipid-chain-length
#4
Valeria Castelletto, Amanpreet Kaur, Radoslaw M Kowalczyk, Ian W Hamley, Mehedi Reza, Janne Ruokolainen
The self-assembly in aqueous solution of three lipopeptides comprising a bioactive motif conjugated at the N terminus to dodecyl, tetradecyl or hexadecyl lipid chains has been examined. The bioactive motif is the peptide block YEALRVANEVTLN; a C-terminal fragment of the lumican proteoglycan. This study was motivated by our previous studies on the hexadecyl homologue C16-YEALRVANEVTLN which showed aggregation into β-sheet structures above a critical aggregation concentration (cac), but most remarkably we found that these aggregates were stable to dilution below the cac...
May 23, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28534709/mdscs-are-involved-in-the-protumorigenic-potentials-of-gm-csf-in-colitis-associated-cancer
#5
Ning Ma, Qilin Liu, Lin Hou, Yalin Wang, Ziling Liu
Chronic inflammation is thought to be a major driving force for the development of colitis-associated colorectal cancer (CAC). As one member of proinflammatory cytokine family, granulocyte macrophage colony-stimulating factor (GM-CSF) has been identified to play a key role in CAC pathogenesis recently. The underlying mechanisms, however, remain largely unknown. In this study, we found that myeloid-derived suppressor cells (MDSCs) accumulated increasingly in the lesions during the progression from colitis to cancer, which was critical for CAC formation...
May 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28529094/outcomes-of-patients-with-myocardial-infarction-who-underwent-orbital-atherectomy-for-severely-calcified-lesions
#6
Michael S Lee, Evan Shlofmitz, Gentian Lluri, Jeremy Kong, Natalya Neverova, Richard Shlofmitz
OBJECTIVES: This study analyzed the outcomes of patients who presented with non-ST-elevation myocardial infarction (NSTEMI) and subsequently underwent orbital atherectomy for severe coronary artery calcification (CAC). BACKGROUND: Patients who present with NSTEMI have increased risk for death and recurrent MI after percutaneous coronary intervention (PCI). Patients with severe CAC have worse outcomes after PCI.Orbital atherectomy modifies calcified plaque, facilitating stent delivery and optimizing stent expansion...
May 7, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28528154/impact-of-exercise-on-the-relationship-between-cac-scores%C3%A2-and-all-cause-mortality
#7
Yoav Arnson, Alan Rozanski, Heidi Gransar, Sean W Hayes, John D Friedman, Louise E J Thomson, Daniel S Berman
OBJECTIVES: This study aims to assess the correlations among coronary artery calcium (CAC), self-reported exercise, and mortality in asymptomatic patients. BACKGROUND: The interaction between reported exercise habits and CAC scores for predicting clinical risk is not yet well known. METHODS: We followed 10,690 asymptomatic patients who underwent CAC scanning. Patients were divided into 4 groups based on a single-item self-reported exercise...
May 11, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28527971/identification-and-comprehensive-evaluation-of-reference-genes-for-rt-qpcr-analysis-of-host-gene-expression-in-brassica-juncea-aphid-interaction-using-microarray-data
#8
Chet Ram, Murali Krishna Koramutla, Ramcharan Bhattacharya
Brassica juncea is a chief oil yielding crop in many parts of the world including India. With advancement of molecular techniques, RT-qPCR based study of gene-expression has become an integral part of experimentations in crop breeding. In RT-qPCR, use of appropriate reference gene(s) is pivotal. The virtue of the reference genes, being constant in expression throughout the experimental treatments, needs to be validated case by case. Appropriate reference gene(s) for normalization of gene-expression data in B...
May 11, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28523594/the-relationship-between-coronary-artery-calcium-scores-and-left-atrium-size-in-hemodialysis-patients
#9
Ismail Baloglu, Kultigin Turkmen, H Zeki Tonbul, N Yılmaz Selcuk
PURPOSE: Hemodialysis patients have extremely increased cardiovascular mortality. The coronary artery calcification score (CACS) in uremic patients receiving hemodialysis reflects the severity of atherosclerotic vascular disease and predicts the cardiovascular events. In cardiac conditions, left atrial (LA) size has a prognostic importance. In this study, relationship between coronary artery calcification and left atrial size was investigated. METHODS: This was a cross-sectional study involving 32 hemodialysis patients (16 females, 16 males; mean age, 52...
May 18, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28513225/use-of-the-augmentation-index-from-applanation-tonometry-of-the-radial-artery-for-assessing-the-extent-of-coronary-artery-calcium-as-assessed-by-coronary-computed-tomography
#10
Noriaki Watanabe, Satoshi Kurisu, Yoji Sumimoto, Hiroki Ikenaga, Takashi Shimonaga, Tadanao Higaki, Fuminari Tatsugami, Ken Ishibashi, Toshiro Kitagawa, Yoshihiro Dohi, Yukihiro Fukuda, Hideya Yamamoto, Kazuo Awai, Yasuki Kihara
BACKGROUND: The augmentation index (AI) obtained from applanation tonometry of the radial artery is technically the easiest and quickest of available methods for assessing arterial stiffness. We tested the hypothesis that the radial AI is associated with the extent of coronary artery calcium (CAC) as assessed by coronary computed tomography (CCT). METHODS AND RESULTS: This study included 161 patients with known or suspected coronary artery disease undergoing central hemodynamic measurements and CCT...
May 17, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28505448/spectroscopic-and-calorimetric-studies-of-molecular-recognitions-in-a-dendrimer-surfactant-complex
#11
Somnath Koley, Manas Ranjan Panda, Kiran Bharadwaj, Subhadip Ghosh
Molecular recognitions, causing supramolecular complex formation between a hyperbranched polymer molecule (polyamidoamine (PAMAM) dendrimer generation 3) with oppositely charged surfactant sodium dodecyl sulfate (SDS) in aqueous solution, were studied by using various spectroscopic techniques and calorimetric titration of heat change measurements. Spectroscopic measurements were performed using dynamic Stokes shift (DSS), rotational anisotropy decay, and translational diffusion of a fluorescent probe molecule coumarin 153 (C153) noncovalently attached to the dendrimer-surfactant complex...
May 25, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28502735/effects-of-low-calcium-dialysate-on-the-progression-of-coronary-artery-calcification-in-hemodialysis-patients-an-open-label-12-month-randomized-clinical-trial
#12
Soo Jin Kim, Young-Ki Lee, Jieun Oh, AJin Cho, Jung Woo Noh
BACKGROUND: The association between the dialysate calcium level and coronary artery calcification (CAC) has not yet been evaluated in hemodialysis patients. The objective of this study was to determine whether lowering the dialysate calcium levels would decrease the progression of coronary artery calcification (CAC) compared to using standard calcium dialysate. METHODS: We conducted an open-label randomized trial with parallel groups. The patients were randomly assigned to either 12-month treatment with low calcium dialysate (LCD; 1...
May 4, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28502500/the-association-between-dietary-cholesterol-intake-and-subclinical-atherosclerosis-in-korean-adults-the-kangbuk-samsung-health-study
#13
Eun-Jung Rhee, Seungho Ryu, Jong-Young Lee, Sung Ho Lee, EunSun Cheong, Se Eun Park, Cheol-Young Park, Yu Sam Won, Joon Mo Kim, Dong-Sik Cho, Hye-Kyung Chung, Ki Chul Sung
BACKGROUND: The Scientific Report of the Dietary Guidelines Advisory Committee (2015) concluded that restriction of dietary cholesterol is unnecessary in most adults for the prevention of cardiovascular disease. OBJECTIVE: We aimed to assess the risk for subclinical atherosclerosis according to coronary artery calcium score (CACS), based on dietary cholesterol intake in apparently healthy Korean adults. METHODS: This was a cross-sectional study performed in 30,068 participants (mean age 40...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28500370/long-term-prognostic-performance-of-low-dose-coronary-computed-tomography-angiography-with-prospective-electrocardiogram-triggering
#14
Olivier F Clerc, Basil P Kaufmann, Mathias Possner, Riccardo Liga, Jan Vontobel, Fran Mikulicic, Christoph Gräni, Dominik C Benz, Tobias A Fuchs, Julia Stehli, Aju P Pazhenkottil, Oliver Gaemperli, Philipp A Kaufmann, Ronny R Buechel
OBJECTIVES: To assess long-term prognosis after low-dose 64-slice coronary computed tomography angiography (CCTA) using prospective electrocardiogram-triggering. METHODS: We included 434 consecutive patients with suspected or known coronary artery disease referred for low-dose CCTA. Patients were classified as normal, with non-obstructive or obstructive lesions, or previously revascularized. Coronary artery calcium score (CACS) was assessed in 223 patients. Follow-up was obtained regarding major adverse cardiac events (MACE): cardiac death, myocardial infarction and elective revascularization...
May 12, 2017: European Radiology
https://www.readbyqxmd.com/read/28499962/diabetes-and-male-sex-are-key-risk-factor-correlates-of-the-extent-of-coronary-artery-calcification-a-euro-ccad-study
#15
Rachel Nicoll, Ying Zhao, Urban Wiklund, Axel Diederichsen, Hans Mickley, Kristian Ovrehus, Jose Zamorano, Pascal Gueret, Axel Schmermund, Erica Maffei, Filippo Cademartiri, Matt Budoff, Michael Henein
BACKGROUND AND AIMS: Although much has been written about the conventional cardiovascular risk factor correlates of the extent of coronary artery calcification (CAC), few studies have been carried out on symptomatic patients. This paper assesses the potential ability of risk factors to associate with an increasing CAC score. METHODS: From the European Calcific Coronary Artery Disease (Euro-CCAD) cohort, we retrospectively investigated 6309 symptomatic patients, 62% male, from Denmark, France, Germany, Italy, Spain and the USA...
March 31, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28499609/achilles-tendon-xanthomas-are-associated-with-the-presence-and-burden-of-subclinical-coronary-atherosclerosis-in-heterozygous-familial-hypercholesterolemia-a-pilot-study
#16
Leonardo C Mangili, Marcio H Miname, Pamela R S Silva, Marcio S Bittencourt, Viviane Z Rocha, Otavio C Mangili, Wilson Salgado Filho, Ana P Chacra, Cinthia E Jannes, Alexandre C Pereira, Raul D Santos
BACKGROUND AND AIMS: Achilles tendon xanthomas (ATX) are a sign of long-term exposure to high blood cholesterol in familial hypercholesterolemia (FH) patients, which have been associated with cardiovascular disease. We evaluated the ATX association with the presence and extent of subclinical coronary atherosclerosis in heterozygous FH patients. METHODS: 102 FH patients diagnosed by US-MEDPED criteria (67% with genetically proven FH), with median LDL-C 279 mg/dL (interquartile range: 240; 313), asymptomatic for cardiovascular disease, underwent computed tomography angiography and coronary artery calcium (CAC) quantification...
April 30, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28497191/evaluation-of-the-coronary-circulation-and-calcification-in-children-on-regular-hemodialysis
#17
Mohammed Al-Biltagi, Maher Ahmed Abd ElHafez, Doaa Mohamed El Amrousy, Mohamed El-Gamasy, Hesham El-Serogy
BACKGROUND: The objective of this study was to evaluate the coronary circulation and calcification in children with end-stage renal disease (ESRD) on hemodialysis. METHODS: A total of 50 children with ESRD and 50 healthy controls were enrolled in the study. Cardiac functions and coronary blood flow were evaluated with conventional and tissue Doppler echocardiography. Coronary artery calcification (CAC) was evaluated using high-resolution multidetector computed tomography (CT)...
May 11, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28493105/association-between-cardiovascular-disease-risk-scores-and-subclinical-atherosclerosis-prevalence-in-non-elderly-adult-patients-from-argentina
#18
Ricardo A Albertini, Dario G Ferrer, Pablo A Romagnoli, María E Tinti, José L Amigone, Raúl Capra, Gustavo A Chiabrando
The goal of our study was to use statistical analysis to try to associate cardiovascular disease (CVD) risk scores and the observed prevalence of subclinical atherosclerosis (SA) in a non-elderly adult local population. An observational cross-sectional study was carried out (143 male and 131 female) on non-elderly adults (20-59 years). CVD risk scores included Framingham Risk Scores for 10-year hard (FRS 10 H), 30-year lipid hard or CVD (FRS 30 L H or FRS 30 L CVD), 30 year-body mass index hard or CVD (FRS 30 BMI H or FRS 30 BMI CVD) and Pooled Cohort Risk Equations for either 10 years (PCE 10) or lifetime (PCE LT)...
May 10, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28491082/altered-serum-level-of-cartilage-oligomeric-matrix-protein-and-its-association-with-coronary-calcification-in-patients-with-coronary-heart-disease
#19
Fang-Fang Wang, Lahati Ha, Hai-Yi Yu, Lin Mi, Jiang-Li Han, Wei Gao
BACKGROUND: Cartilage oligomeric matrix protein (COMP) is mainly found in the skeletal system and vascular smooth muscle cells. Recent researches showed that it had a protective function on blood vessels and could also inhibit vascular calcification. We investigated the serum COMPs in coronary heart disease (CHD) patients, and the relationship between serum COMP and the calcification of coronary artery. METHODS: A total of 233 consecutive chest pain patients who first underwent coronary angiography followed by multi-slice computed tomography (MSCT) within six months were recruited and divided into two groups according to the coronary angiography luminal diameter narrowing percentages: CHD group (diameter narrowing ≥ 50%, n = 194) and control group (diameter narrowing < 50%, n = 39)...
February 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28487318/impact-of-coronary-calcification-on-clinical-management-in-patients-with-acute-chest-pain
#20
Daniel O Bittner, Thomas Mayrhofer, Fabian Bamberg, Travis R Hallett, Sumbal Janjua, Daniel Addison, John T Nagurney, James E Udelson, Michael T Lu, Quynh A Truong, Pamela K Woodard, Judd E Hollander, Chadwick Miller, Anna Marie Chang, Harjit Singh, Harold Litt, Udo Hoffmann, Maros Ferencik
BACKGROUND: Coronary artery calcification (CAC) may impair diagnostic assessment of coronary computed tomography angiography (CTA). We determined whether CAC affects efficiency of coronary CTA in patients with suspected acute coronary syndrome (ACS). METHODS AND RESULTS: This is a pooled analysis of ACRIN-PA (American College of Radiology Imaging Network-Pennsylvania) 4005 and the ROMICAT-II trial (Rule Out Myocardial Infarction/Ischemia Using Computer Assisted Tomography) comparing an initial coronary CTA strategy to standard of care in acute chest pain patients...
May 2017: Circulation. Cardiovascular Imaging
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