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https://www.readbyqxmd.com/read/28102898/a-composite-autonomic-index-as-unitary-metric-for-heart-rate-variability-a-proof-of-concept
#1
Roberto Sala, Mara Malacarne, Nadia Solaro, Massimo Pagani, Daniela Lucini
BACKGROUND: This study addresses whether a unitary cardiac autonomic nervous system index (ANSI), obtained combining multiple metrics from Heart Rate Variability (HRV) into a radar plot could provide an easy appreciation of autonomic performance in a clinical setting. MATERIALS AND METHODS: Data are standardized using percentile ranking of autonomic proxies from a relatively large reference population (n= 1593, age 39±13 years). Autonomic indices are obtained from autoregressive spectral analysis of (ECG derived) HRV at rest and during standing up...
January 19, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28099219/a-review-of-the-clinical-utility-of-intravascular-ultrasound-ivus-and-optical-coherence-tomography-oct-in-the-assessment-and-treatment-of-coronary-artery-disease
#2
Stephen Daniel Matthews, William H Frishman
Coronary artery disease (CAD) remains one of the leading causes of morbidity and mortality in the United States. As a medical society, we continue to search for ways to better treat CAD and prevent acute coronary syndrome (ACS). As it stands, only statins and anti-platelets agents have been proven to significantly reduce the occurrence of ACS. A histopathological understanding of the pathogenesis of ACS has provided insight into the importance of plaque morphology. Therefore, it has been proposed that increasing the ability to detect true vulnerable, "at-risk" lesions, would foster the use of percutaneous coronary intervention as a means for the prevention of ACS...
January 11, 2017: Cardiology in Review
https://www.readbyqxmd.com/read/28086795/atherosclerotic-and-thrombotic-genetic-and-environmental-determinants-in-egyptian-coronary-artery-disease-patients-a-pilot-study
#3
Manal S Fawzy, Eman A Toraih, Nagwa M Aly, Abeer Fakhr-Eldeen, Dahlia I Badran, Mohammad H Hussein
BACKGROUND: Coronary artery disease (CAD) is the leading cause of morbidity and mortality worldwide. Multiple genetic variants in combination with various environmental risk factors have been implicated. This study aimed to investigate the association of twelve thrombotic and atherosclerotic gene variants in combination with other environmental risk factors with CAD risk in a preliminary sample of Egyptian CAD patients. METHODS: Twenty three consecutive CAD patients undergoing diagnostic coronary angiography and 34 unrelated controls, have been enrolled in the study...
January 13, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28071980/metabolic-syndrome-hypertension-and-nervous-system-injury-epidemiological-correlates
#4
Giovanna Ricci, Isabel Pirillo, Daniele Tomassoni, Ascanio Sirignano, Iolanda Grappasonni
: Metabolic syndrome (MetS) is a common and complex disorder combining hypertension, obesity, dyslipidemia, and insulin resistance. MetS represents a risk factor for changes in cognitive functions in older age, and several studies have suggested that MetS may be linked to dementia. This article reviews the main evidences about the relationship between MetS and neurodegenerative disease. Starting from an epidemiological point of view, the article analyzes medico-social aspects related to MetS, considering the reduction of work capacity and the condition of disability that it involves...
January 10, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28071959/tenfold-risk-increase-of-major-cardiovascular-events-after-high-limb-amputation-with-non-compliance-for-secondary-prevention-measures
#5
Evgeniya V Shalaeva, Hugo Saner, Bakhtiyor B Janabaev, Aleksandra V Shalaeva
Background The aim of the study was to evaluate the impact of compliance with lifestyle recommendations and medication on 1-year prevention of major adverse cardiovascular events (MACE) in patients with type 2 diabetes (T2D) after trans-femoral amputation (TFA). Methods In this prospective single-center interventional cohort study, 179 consecutive T2D patients with symptomatic coronary artery disease (CAD) underwent 1-year follow-up examination after TFA in 2013. Lower limb and coronary artery CT angiography were provided before surgery; physical examination and laboratory tests were performed at baseline and every month after TFA for 1 year...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28070240/newer-perspectives-of-coronary-artery-disease-in-young
#6
REVIEW
Amitesh Aggarwal, Saurabh Srivastava, M Velmurugan
Coronary artery disease (CAD) occurring in less than 45 years of age is termed as young CAD. Recent studies show a prevalence of 1.2% of CAD cases in this age group. Ethnic wise south Asians especially Indians are more vulnerable to have CAD in young age group with a prevalence of 5% to 10%. Conventional risk factors such as smoking, diabetes, hypertension, obesity and family history seems to be as important as in older CAD subjects. But the prevalence of these risk factors seems to vary in younger subjects...
December 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/28065900/exploring-the-predictive-power-of-polygenic-scores-derived-from-genome-wide-association-studies-a-study-of-10-complex-traits
#7
Hon-Cheong So, Pak C Sham
MOTIVATION: It is hoped that advances in our knowledge in disease genomics will contribute to personalized medicine such as individualized preventive strategies or early diagnoses of diseases. With the growth of genome-wide association studies (GWAS) in the past decade, how far have we reached this goal? In this study we explored the predictive ability of polygenic risk scores (PRSs) derived from GWAS for a range of complex disease and traits. RESULTS: We first proposed a new approach to evaluate predictive performances of PRS at arbitrary P-value thresholds...
January 8, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28058211/organ-transplantation-and-drug-eluting-stents-perioperative-challenges
#8
REVIEW
Aparna Dalal
Patients listed for organ transplant frequently have severe coronary artery disease (CAD), which may be treated with drug eluting stents (DES). Everolimus and zotarolimus eluting stents are commonly used. Newer generation biolimus and novolimus eluting biodegradable stents are becoming increasingly popular. Patients undergoing transplant surgery soon after the placement of DES are at increased risk of stent thrombosis (ST) in the perioperative period. Dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 inhibitor such as clopidogrel, prasugrel and ticagrelor is instated post stenting to decrease the incident of ST...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28052754/the-burden-of-major-adverse-cardiac-events-in-patients-with-coronary-artery-disease
#9
I-Ting Tsai, Chao-Ping Wang, Yung-Chuan Lu, Wei-Chin Hung, Cheng-Ching Wu, Li-Fen Lu, Fu-Mei Chung, Chia-Chang Hsu, Yau-Jiunn Lee, Teng-Hung Yu
BACKGROUND: Patients with a history of cardiovascular disease are at high risk of developing secondary major adverse cardiac events (MACE). This study aimed to identify independent predictors of MACE after hospital admission which could be used to identify of high-risk patients who may benefit from preventive strategies. METHODS: This study included 1,520 consecutive patients with coronary artery disease (CAD) (654 with acute coronary syndrome (ACS) and 866 with elective percutaneous coronary intervention (PCI) patients) who received PCI and/or stenting...
January 4, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28042727/new-evidence-for-cardiac-benefit-of-postmenopausal-hormone-therapy
#10
T S Mikkola, H Savolainen-Peltonen, M Venetkoski, O Ylikorkala
Coronary artery disease (CAD) is still the most common killer of western women. Coronary arteries, expressing estrogen receptors, are a target for estrogen action. Prior to the Women's Health Initiative (WHI) study, postmenopausal hormone therapy (HT) was widely advocated for primary prevention of CAD, but such use was criticized after the WHI publication. However, new data accumulated in the USA and in Europe indicate that the use of estradiol-based HT regimens does not endanger the heart, but rather, it significantly reduces the incidence of CAD events and mortality...
January 2, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28040277/microparticles-and-their-role-in-coronary-artery-disease
#11
REVIEW
Sudheer Koganti, Despina Eleftheriou, Paul A Brogan, Tushar Kotecha, Ying Hong, Roby D Rakhit
Despite significant advances in prevention, medical and interventional management, coronary artery disease (CAD) remains the leading cause of death worldwide. Although the number of people being diagnosed with CAD has plateaued in the western world, it is projected to increase significantly in the developing world reaching epidemic proportions, particularly in South Asia. To better stratify the risk of developing and suffering a cardiovascular event due to CAD, not only plasma biomarkers relating to disease burden but also disease activity in CAD are needed; this will allow targeting of appropriate management to high-risk patients for acute events...
December 22, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28024655/prevalence-by-computed-tomographic-angiography-of-coronary-plaques-in-south-asian-and-white-patients-with-type-2-diabetes-mellitus-at-low-and-high-risk-using-four-cardiovascular-risk-scores-ukpds-frs-ascvd-and-jbs3
#12
Sanjay N Gobardhan, Aukelien C Dimitriu-Leen, Alexander R van Rosendael, Erik W van Zwet, Cornelis J Roos, Pranobe V Oemrawsingh, Aan V Kharagjitsingh, J Wouter Jukema, Victoria Delgado, Martin J Schalij, Jeroen J Bax, Arthur J H A Scholte
The aim of this study was to explore the association between various cardiovascular (CV) risk scores and coronary atherosclerotic burden on coronary computed tomography angiography (CTA) in South Asians with type 2 diabetes mellitus and matched whites. Asymptomatic type 2 diabetic South Asians and whites were matched for age, gender, body mass index, hypertension, and hypercholesterolemia. Ten-year CV risk was estimated using different risk scores (United Kingdom Prospective Diabetes Study [UKPDS], Framingham Risk Score [FRS], AtheroSclerotic CardioVascular Disease [ASCVD], and Joint British Societies for the prevention of CVD [JBS3]) and categorized into low- and high-risk groups...
December 2, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/28018938/computer-aided-diagnosis-of-retinopathy-in-retinal-fundus-images-of-preterm-infants-via-quantification-of-vascular-tortuosity
#13
Faraz Oloumi, Rangaraj M Rangayyan, Anna L Ells
Retinopathy of prematurity (ROP), a disorder of the retina occurring in preterm infants, is the leading cause of preventable childhood blindness. An active phase of ROP that requires treatment is associated with the presence of plus disease, which is diagnosed clinically in a qualitative manner by visual assessment of the existence of a certain level of increase in the thickness and tortuosity of retinal vessels. The present study performs computer-aided diagnosis (CAD) of plus disease via quantitative measurement of tortuosity in retinal fundus images of preterm infants...
October 2016: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28007170/the-importance-of-glutathione-and-phytochelatins-on-the-selenite-and-arsenate-detoxification-in-arabidopsis-thaliana
#14
Fatai Adigun Aborode, Andrea Raab, Matthias Voigt, Leticia Malta Costa, Eva M Krupp, Joerg Feldmann
We investigated the role of glutathione (GSH) and phytochelatins (PCs) on the detoxification of selenite using Arabidopsis thaliana. The wild-type (WT) of Arabidopsis thaliana and its mutants (glutathione deficient Cad 2-1 and phytochelatins deficient Cad 1-3) were separately exposed to varying concentrations of selenite and arsenate and jointly to both toxicants to determine their sensitivities. The results of the study revealed that, the mutants were about 20-fold more sensitive to arsenate than the WT, an indication that the GSH and PCs affect arsenate detoxification...
November 2016: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28007143/genetics-implications-for-prevention-and-management-of-coronary-artery-disease
#15
REVIEW
Themistocles L Assimes, Robert Roberts
An exciting new era has dawned for the prevention and management of coronary artery disease (CAD) utilizing genetic risk variants. The recent identification of over 60 susceptibility loci for CAD confirms not only the importance of established risk factors, but also the existence of many novel causal pathways that are expected to improve our understanding of the genetic basis of CAD and facilitate the development of new therapeutic agents over time. Concurrently, Mendelian randomization studies have provided intriguing insights on the causal relationship between CAD-related traits, and highlight the potential benefits of long-term modifications of risk factors...
December 27, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28005558/residual-thromboxane-activity-and-oxidative-stress-influence-on-mortality-in-patients-with-stable-coronary-artery-disease
#16
Anupama Vasudevan, Teodoro Bottiglieri, Kristen M Tecson, Mohanakrishnan Sathyamoorthy, Jeffrey M Schussler, Carlos E Velasco, Luis R Lopez, Caren Swift, Margarita Peterson, Jeanna Bennett-Firmin, Raphael Schiffmann, Peter A McCullough
BACKGROUND: Aspirin use is effective in the prevention of cardiovascular disease; however, not all patients are equally responsive to aspirin. Oxidative stress reflected by F2-isoprostane [8-iso-prostaglandin-F2α (8-IsoPGF2α)] is a potential mechanism of failure of aspirin to adequately inhibit cyclooxygenase-1. The objective was to examine the relation between all-cause mortality and the concentrations of urinary 11-dehydro thromboxane B2 (11dhTxB2) and 8-IsoPGF2α in patients with stable coronary artery disease (CAD)...
December 21, 2016: Coronary Artery Disease
https://www.readbyqxmd.com/read/27999826/the-diagnosis-of-silent-myocardial-ischemia-motion-frozen-or-morphing-myocardial-perfusion-imaging
#17
EDITORIAL
Cheng Chang, Bo Ye, Wenhui Xie, Daoliang Zhang, Bei Lei, Xiaodan Ye
Silent myocardial ischemia is typically defined as objective evidence of myocardial ischemia in patients without subjective ischemia symptoms. Currently, coronary artery angiography is the gold standard for diagnosis of asymptomatic coronary artery disease (CAD). Computed tomography coronary angiography (CTCA) can visually demonstrate the morphology, trend and extent of coronary stenosis and is commonly used in clinical screening of CAD. Myocardial perfusion imaging can be used not only to identify whether anatomical stenosis causes myocardial dysfunction, but to also assess the risk stratification and prognosis of myocardial disease (MD)...
September 2016: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/27998824/plaque-surface-irregularity-and-calcification-length-within-carotid-plaque-predict-secondary-events-in-patients-with-coronary-artery-disease
#18
Shinichi Nonin, Shinichi Iwata, Kenichi Sugioka, Suwako Fujita, Naoki Norioka, Asahiro Ito, Masashi Nakagawa, Minoru Yoshiyama
BACKGROUND AND AIMS: Although comprehensive risk factor modification is recommended, a uniform management strategy does not necessarily prevent secondary events in patients with coronary artery disease (CAD). Therefore, identification of high-risk patients who may benefit from more intensive interventions may improve prognosis. Carotid ultrasound can reliably identify systemic atherosclerosis, and carotid plaque and intima-media thickness (IMT) are known independent risk factors for CAD...
November 9, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/27990611/coronary-risk-score-for-mineral-bone-disease-in-chronic-non-diabetic-hemodialysis-patients-results-from-a-prospective-pilot-study
#19
Cristiana David, Jordi Bover, Cornelia Voiculet, Ileana Peride, Lucian Cristian Petcu, Andrei Niculae, Adrian Covic, Ionel Alexandru Checherita
INTRODUCTION: Chronic kidney disease-mineral bone disorder enhances coronary artery impairment (often occult and difficult to diagnose) in hemodialysis (HD) patients. The aim of the study was to correlate biochemical and imagistic parameters of MBD with the degree of documented coronary artery disease (CAD) in non-diabetic HD patients, in order to obtain a MBD-coronary risk score as a screening algorithm. METHODS: A 3-year prospective study was conducted on 168 non-diabetic HD patients, evaluating MBD biochemical parameters along with pulse wave velocity (PWV) determination and valve/coronary calcification assessment; coronary angiography was performed in symptomatic patients...
December 18, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27928736/antiplatelet-agents-in-hemodialysis
#20
REVIEW
Massimiliano Migliori, Vincenzo Cantaluppi, Alessia Scatena, Vincenzo Panichi
Patients affected by cardiovascular disease (CVD) are treated with antiplatelet agents (AA) and/or anticoagulant drugs, which are fundamental in the management of stroke, coronary atherosclerotic disease, peripheral vascular disease and atrial fibrillation. CVD is the most important cause of death in chronic renal failure (CRF). Death rates from myocardial infarction (MI) and from all other cardiac causes exceed those for the general population. Incidence of MI in CRF is triple that in the general population...
December 8, 2016: Journal of Nephrology
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