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Cardiovascular disease model

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https://www.readbyqxmd.com/read/27912774/socioeconomic-inequalities-in-health-related-quality-of-life-between-men-and-women-5%C3%A2-years-after-a-coronary-angiography
#1
Anastase Tchicaya, Nathalie Lorentz
BACKGROUND: The aim of this study is to measure gender differences in health-related quality of life (HRQOL) among men and women patients with cardiovascular diseases (CVD), and to assess the impact of socioeconomic factors on HRQOL between men and women, 5 years after a coronary angiography. METHODS: The study included 1,289 out of 4,391 patients who had undergone an angiography in the National Institute for Cardiac Surgery and Interventional Cardiology, Luxembourg in 2008/2009...
December 3, 2016: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/27911951/body-surface-area-and-baseline-blood-pressure-predict-subclinical-anthracycline-cardiotoxicity-in-women-treated-for-early-breast-cancer
#2
Paul Kotwinski, Gillian Smith, Jackie Cooper, Julie Sanders, Louise Ma, Albert Teis, David Kotwinski, Michael Mythen, Dudley J Pennell, Alison Jones, Hugh Montgomery
BACKGROUND AND AIMS: Anthracyclines are highly effective chemotherapeutic agents which may cause long-term cardiac damage (chronic anthracycline cardiotoxicity) and heart failure. The pathogenesis of anthracycline cardiotoxicity remains incompletely understood and individual susceptibility difficult to predict. We sought clinical features which might contribute to improved risk assessment. METHODS: Subjects were women with early breast cancer, free of pre-existing cardiac disease...
2016: PloS One
https://www.readbyqxmd.com/read/27911414/isolation-and-culture-of-primary-endothelial-cells-from-canine-arteries-and-veins
#3
Loes A Oosterhoff, Hedwig S Kruitwagen, Bart Spee, Frank G van Steenbeek
Cardiovascular disease is studied in both human and veterinary medicine. Endothelial cells have been used extensively as an in vitro model to study vasculogenesis, (tumor) angiogenesis, and atherosclerosis. The current standard for in vitro research on human endothelial cells (ECs) is the use of Human Umbilical Vein Endothelial Cells (HUVECs) and Human Umbilical Artery Endothelial Cells (HUAECs). For canine endothelial research, only one cell line (CnAOEC) is available, which is derived from canine aortic endothelium...
November 18, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911121/endocan-is-a-predictor-of-increased-cardiovascular-risk-in-women-with-polycystic-ovary-syndrome
#4
Merve Bicer, Aslı Guler, Gokcen Unal Kocabas, Cetin Imamoglu, Ali Baloglu, Oktay Bilgir, Arif Yuksel, Giray Bozkaya, Mehmet Calan
PURPOSE: Endocan is a proteoglycan secreted mainly from endothelial cells. It has been implicated that there is a link between endocan and endothelial dysfunction. Polycystic ovary syndrome (PCOS) is a reproductive and metabolic disease associated with increased risk of cardiovascular events. The aims of this study were to ascertain whether circulating endocan levels are altered in women with PCOS, and whether there is an association between endocan and carotid intima media thickness (cIMT)...
December 2, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27910959/acute-effects-of-nitrogen-dioxide-on-cardiovascular-mortality-in-beijing-an-exploration-of-spatial-heterogeneity-and-the-district-specific-predictors
#5
Kai Luo, Runkui Li, Wenjing Li, Zongshuang Wang, Xinming Ma, Ruiming Zhang, Xin Fang, Zhenglai Wu, Yang Cao, Qun Xu
The exploration of spatial variation and predictors of the effects of nitrogen dioxide (NO2) on fatal health outcomes is still sparse. In a multilevel case-crossover study in Beijing, China, we used mixed Cox proportional hazard model to examine the citywide effects and conditional logistic regression to evaluate the district-specific effects of NO2 on cardiovascular mortality. District-specific predictors that could be related to the spatial pattern of NO2 effects were examined by robust regression models...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910111/cystatin-c-and-epicardial-adipose-tissue-as-noninvasive-predictors-of-cardiovascular-risk-in-acromegaly
#6
Anna Aulinas, Iris Crespo, David Viladés, Ruben Leta, Eulàlia Urgell, Betina Biagetti, Susan M Webb, Elena Valassi
BACKGROUND: Acromegaly (ACRO) is associated with elevated cardiovascular risk, although the prevalence of coronary artery disease (CAD) is unclear. Increased epicardial adipose tissue (EAT) and elevated cystatin-C (Cys-C) levels are cardiovascular risk factors, also related to the progression of CAD in several populations. AIMS: To measure the severity and extent of CAD in patients with ACRO and to determine whether either EAT or Cys-C reflect higher cardiovascular risk in patients with ACRO than in healthy controls...
November 7, 2016: Clinical Endocrinology
https://www.readbyqxmd.com/read/27910057/molecular-cardiac-surgery-with-recirculating-delivery-mcard-procedure-and-vector-transfer
#7
Michael G Katz, Anthony S Fargnoli, Andrew P Kendle, Charles R Bridges
Despite progress in clinical treatment, cardiovascular diseases are still the leading cause of morbidity and mortality worldwide. Therefore, novel therapeutic approaches are needed, targeting the underlying molecular mechanisms of disease with improved outcomes for patients. Gene therapy is one of the most promising fields for the development of new treatments for the advanced stages of cardiovascular diseases. The establishment of clinically relevant methods of gene transfer remains one of the principal limitations on the effectiveness of gene therapy...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910054/direct-myocardial-injection-of-vectors
#8
Guillaume Bonnet, Kiyotake Ishikawa, Roger J Hajjar, Yoshiaki Kawase
Gene therapy holds great promise as a targeted treatment of cardiovascular diseases, which remain a major cause of morbidity and mortality in contemporary societies. Selection of the appropriate vector delivery method is critical for efficient transduction in the myocardium. Direct myocardial delivery is a feasible and effective method that has been shown to exhibit enhanced gene expression compared to coronary infusion and pericardial delivery. It is one of the most widely used gene transfer methods in both animal studies and clinical trials...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910041/efficient-genome-editing-in-induced-pluripotent-stem-cells-with-engineered-nucleases-in-vitro
#9
Vittavat Termglinchan, Timon Seeger, Caressa Chen, Joseph C Wu, Ioannis Karakikes
Precision genome engineering is rapidly advancing the application of the induced pluripotent stem cells (iPSCs) technology for in vitro disease modeling of cardiovascular diseases. Targeted genome editing using engineered nucleases is a powerful tool that allows for reverse genetics, genome engineering, and targeted transgene integration experiments to be performed in a precise and predictable manner. However, nuclease-mediated homologous recombination is an inefficient process. Herein, we describe the development of an optimized method combining site-specific nucleases and the piggyBac transposon system for "seamless" genome editing in pluripotent stem cells with high efficiency and fidelity in vitro...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909891/canola-oil-rich-in-oleic-acid-improves-diastolic-heart-function-in-diet-induced-obese-rats
#10
Sijo Joseph Thandapilly, Pema Raj, Xavier Lieben Louis, Danielle Perera, Prasanga Yamanagedara, Peter Zahradka, Carla G Taylor, Thomas Netticadan
Obesity is a leading cause of cardiovascular disease. It directly affects heart structure and function and contributes to heart failure. Diet is a major factor involved in the development of obesity along with genetic factors. We examined the effects of monounsaturated and polyunsaturated fatty acid-rich oils on cardiac structure and function in the diet-induced rodent model of obesity (DIO). Obese prone (OP) rats were fed a high-fat diet (HF; 55% of kcal) for 12 weeks; Sprague-Dawley rats fed commercial chow served as control...
December 1, 2016: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/27908486/an-inverse-method-to-determine-arterial-stiffness-with-guided-axial-waves
#11
Guo-Yang Li, Qiong He, Lin Jia, Ping He, Jianwen Luo, Yanping Cao
Many cardiovascular diseases can alter arterial stiffness; therefore, measurement of arterial wall stiffness can provide valuable information for both diagnosis of such diseases in the clinic and evaluation of the effectiveness of relevant drugs. However, quantitative assessment of the in vivo elastic properties of arterial walls in a non-invasive manner remains a great challenge. In this study, we found that the elastic modulus of the arterial wall can be extracted from the dispersion curve of the guided axial wave (GAW) measured using the ultrasound elastography method...
November 28, 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27908389/hypertension-obesity-diabetes-and%C3%A2-heart%C3%A2-failure-free-survival-the-cardiovascular-disease-lifetime-risk-pooling-project
#12
Faraz S Ahmad, Hongyan Ning, Jonathan D Rich, Clyde W Yancy, Donald M Lloyd-Jones, John T Wilkins
OBJECTIVES: This study was designed to quantify the relationship between the absence of heart failure risk factors in middle age and incident heart failure, heart failure-free survival, and overall survival. BACKGROUND: Quantification of years lived free from heart failure in the context of risk factor burden in mid-life may improve risk communication and prevention efforts. METHODS: We conducted a pooled, individual-level analysis sampling from communities across the United States as part of 4 cohort studies: the Framingham Heart, Framingham Offspring, Chicago Heart Association Detection Project in Industry, and ARIC (Atherosclerosis Risk In Communities) studies...
December 2016: JACC. Heart Failure
https://www.readbyqxmd.com/read/27908177/automatic-segmentation-of-right-ventricle-in-cardiac-cine-mr-images-using-a-saliency-analysis
#13
Angélica Atehortúa, Maria A Zuluaga, Juan D García, Eduardo Romero
PURPOSE: Accurate measurement of the right ventricle (RV) volume is important for the assessment of the ventricular function and a biomarker of the progression of any cardiovascular disease. However, the high RV variability makes difficult a proper delineation of the myocardium wall. This paper introduces a new automatic method for segmenting the RV volume from short axis cardiac magnetic resonance (MR) images by a salient analysis of temporal and spatial observations. METHODS: The RV volume estimation starts by localizing the heart as the region with the most coherent motion during the cardiac cycle...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27907040/the-role-of-reactive-oxygen-species-in-%C3%AE-adrenergic-signaling-in-cardiomyocytes-from-mice-with-the-metabolic-syndrome
#14
Monica Llano-Diez, Jon Sinclair, Takashi Yamada, Mei Zong, Jeremy Fauconnier, Shi-Jin Zhang, Abram Katz, Kent Jardemark, Håkan Westerblad, Daniel C Andersson, Johanna T Lanner
The metabolic syndrome is associated with prolonged stress and hyperactivity of the sympathetic nervous system and afflicted subjects are prone to develop cardiovascular disease. Under normal conditions, the cardiomyocyte response to acute β-adrenergic stimulation partly depends on increased production of reactive oxygen species (ROS). Here we investigated the interplay between beta-adrenergic signaling, ROS and cardiac contractility using freshly isolated cardiomyocytes and whole hearts from two mouse models with the metabolic syndrome (high-fat diet and ob/ob mice)...
2016: PloS One
https://www.readbyqxmd.com/read/27906998/explaining-the-decline-in-coronary-heart-disease-mortality-in-the-netherlands-between-1997-and-2007
#15
Carla Koopman, Ilonca Vaartjes, Ineke van Dis, W M Monique Verschuren, Peter Engelfriet, Edith M Heintjes, Anneke Blokstra, Dorly J H Deeg, Marjolein Visser, Michiel L Bots, Martin O'Flaherty, Simon Capewell
OBJECTIVE: We set out to determine what proportion of the mortality decline from 1997 to 2007 in coronary heart disease (CHD) in the Netherlands could be attributed to advances in medical treatment and to improvements in population-wide cardiovascular risk factors. METHODS: We used the IMPACT-SEC model. Nationwide information was obtained on changes between 1997 and 2007 in the use of 42 treatments and in cardiovascular risk factor levels in adults, aged 25 or over...
2016: PloS One
https://www.readbyqxmd.com/read/27906969/the-predictive-role-of-red-cell-distribution-width-in-mortality-among-chronic-kidney-disease-patients
#16
Yao-Peng Hsieh, Chia-Chu Chang, Chew-Teng Kor, Yu Yang, Yao-Ko Wen, Ping-Fang Chiu
BACKGROUND: Recently, accumulating evidence has demonstrated that RDW independently predicts clinically important outcomes in many populations. However, the role of RDW has not been elucidated in chronic kidney disease (CKD) patients. We conducted the present study with the aim to evaluate the predictive value of RDW in CKD patients. METHODS: A retrospective observational cohort study of 1075 stage 3-5 CKD patients was conducted in a medical center. The patients' baseline information included demographic data, laboratory values, medications, and comorbid conditions...
2016: PloS One
https://www.readbyqxmd.com/read/27906836/visit-to-visit-blood-pressure-variability-is-a-risk-factor-for-all-cause-mortality-and-cardiovascular-disease-a-systematic-review-and-meta-analysis
#17
Jianqi Wang, Xubo Shi, Changsheng Ma, Hua Zheng, Jie Xiao, Hong Bian, Zhimin Ma, Ling Gong
OBJECTIVE: Clinical cohort studies have reported that visit-to-visit variability (VVV) of blood pressure (BP) is associated with cardiovascular disease (CVD) or mortality. However, the results were not consistent in all studies. The current study is, therefore, aimed to conduct a systematic review and meta-analysis to determine the association between VVV of BP and CVD and all-cause mortality. METHOD: PubMed and EMBASE were searched through 18 May 2014, using the following terms: VVV, BP, CVD, coronary heart disease (CHD), myocardial ischemia, stroke, and mortality...
January 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/27906747/update-on-angiotensin-at2-receptors
#18
Robert M Carey
PURPOSE OF REVIEW: This review updates major new findings and concepts introduced during the past year on the role of angiotensin II (Ang II) subtype 2 receptors (AT2Rs) in the control of blood pressure and renal function. RECENT FINDINGS: AT2R activation prevents sodium (Na) retention and lowers blood pressure in the Ang II infusion model of experimental hypertension and prevents salt-sensitive hypertension in the obese Zucker rat model of obesity and the metabolic syndrome...
November 30, 2016: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27906170/generating-high-purity-cardiac-and-endothelial-derivatives-from-patterned-mesoderm-using-human-pluripotent-stem-cells
#19
Nathan J Palpant, Lil Pabon, Clayton E Friedman, Meredith Roberts, Brandon Hadland, Rebecca J Zaunbrecher, Irwin Bernstein, Ying Zheng, Charles E Murry
Human pluripotent stem cells (hPSCs) provide a valuable model for the study of human development and a means to generate a scalable source of cells for therapeutic applications. This protocol specifies cell fate efficiently into cardiac and endothelial lineages from hPSCs. The protocol takes 2 weeks to complete and requires experience in hPSC culture and differentiation techniques. Building on lessons taken from early development, this monolayer-directed differentiation protocol uses different concentrations of activin A and bone morphogenetic protein 4 (BMP4) to polarize cells into mesodermal subtypes that reflect mid-primitive-streak cardiogenic mesoderm and posterior-primitive-streak hemogenic mesoderm...
January 2017: Nature Protocols
https://www.readbyqxmd.com/read/27905962/identifying-potential-differences-in-cause-of-death-coding-practices-across-russian-regions
#20
Inna Danilova, Vladimir M Shkolnikov, Dmitri A Jdanov, France Meslé, Jacques Vallin
BACKGROUND: Reliable and comparable data on causes of death are crucial for public health analysis, but the usefulness of these data can be markedly diminished when the approach to coding is not standardized across territories and/or over time. Because the Russian system of producing information on causes of death is highly decentralized, there may be discrepancies in the coding practices employed across the country. In this study, we evaluate the uniformity of cause-of-death coding practices across Russian regions using an indirect method...
March 22, 2016: Population Health Metrics
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