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Atrial fibrillation AND inflammation

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https://www.readbyqxmd.com/read/28073885/reduction-of-atrial-fibrillation-burden-by-pulmonary-vein-isolation-leads-to-a-decrease-of-cd11b-expression-on-inflammatory-cells
#1
Daniel Tarnowski, Lina Plichta, Mathias Forkmann, Silvio Quick, Stefan Ulbrich, Felix Matthias Heidrich, Stephan Wiedemann, Marian Christoph, David Maximilian Poitz, Carsten Wunderlich, Karim Ibrahim, Ruth H Strasser, Christian Pfluecke
AIMS: It is hypothesized that inflammation could promote structural and electrical remodelling processes in atrial fibrillation (AF). Atrial infiltration of monocytes and granulocytes has been shown to be dependent on CD11b expression. The aim of this study was to investigate whether treatment of AF by pulmonary vein isolation (PVI) may lead to reduced inflammation, as indicated by a decrease of CD11b expression on monocytes and granulocytes. METHODS AND RESULTS: Flow-cytometric quantification analysis and determination of systemic inflammatory markers of peripheral blood were performed in 75 patients undergoing PVI 1 day before and 6 months after PVI...
January 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28062619/beyond-natriuretic-peptides-for-diagnosis-and-management-of-heart-failure
#2
REVIEW
Nasrien E Ibrahim, James L Januzzi
BACKGROUND: Heart failure (HF) is a complex syndrome with an enormous societal burden in terms of cost and morbidity and mortality. Natriuretic peptide (NP) testing is now widely used to support diagnosis, prognostication, and management of patients with HF, but NPs come with limitations, including vulnerability to the presence of obesity, atrial fibrillation, and renal dysfunction, for example. Beyond the NPs, novel biomarkers may supplement traditional clinical and laboratory testing to improve understanding of the complex disease process of HF, and possibly to personalize care for those affected through better individual phenotyping...
January 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28062617/growth-differentiation-factor-15-as-a-biomarker-in-cardiovascular-disease
#3
REVIEW
Kai C Wollert, Tibor Kempf, Lars Wallentin
BACKGROUND: Growth differentiation factor 15 (GDF-15) is expressed and secreted in response to inflammation, oxidative stress, hypoxia, telomere erosion, and oncogene activation. Cardiovascular (CV) disease is a major driver of GDF-15 production. GDF-15 has favorable preanalytic characteristics and can be measured in serum and plasma by immunoassay. CONTENT: In community-dwelling individuals higher concentrations of GDF-15 are associated with increased risks of developing CV disease, chronic kidney disease, and cancer, independent of traditional CV risk factors, renal function, and other biomarkers (C-reactive protein, B-type natriuretic peptide, cardiac troponin)...
January 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28057790/novel-risk-markers-and-risk-assessments-for-cardiovascular-disease
#4
REVIEW
Mark R Thomas, Gregory Y H Lip
The use of risk markers has transformed cardiovascular medicine, exemplified by the routine assessment of troponin, for both diagnosis and assessment of prognosis in patients with chest pain. Clinical risk factors form the basis for risk assessment of cardiovascular disease and the addition of biochemical, cellular, and imaging parameters offers further refinement. Identifying novel risk factors may allow greater risk stratification and a steady, but gradual progression toward precision medicine. Indeed, the generation of data in this area of research is explosive and when combined with new technologies and techniques provides the potential for more refined, targeted approaches to cardiovascular medicine...
January 6, 2017: Circulation Research
https://www.readbyqxmd.com/read/28043678/associations-between-blood-coagulation-markers-nt-probnp-and-risk-of-incident-heart-failure-in-older-men-the-british-regional-heart-study
#5
S Goya Wannamethee, Peter H Whincup, Olia Papacosta, Lucy Lennon, Gordon D Lowe
AIMS: Chronic heart failure (HF) is associated with activation of blood coagulation but there is a lack of prospective studies on the association between coagulation markers and incident HF in general populations. We have examined the association between the coagulation markers fibrinogen, von Willebrand Factor (VWF), Factors VII, VIII and IX, D-dimer, activated protein C (APC) and activated partial thromboplastin time (aPPT) with NT-proBNP and incident HF. METHODS AND RESULTS: Prospective study of 3366 men aged 60-79years with no prevalent HF, myocardial infarction or venous thrombosis and who were not on warfarin, followed up for a mean period of 13years, in whom there were 203 incident HF cases...
December 20, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28040764/high-preoperative-monocyte-count-high-density-lipoprotein-ratio-is-associated-with-postoperative-atrial-fibrillation-and-mortality-in-coronary-artery-bypass-grafting
#6
Hüseyin Saskin, Kazim Serhan Ozcan, Seyhan Yilmaz
OBJECTIVES: The monocyte to high-density lipoprotein ratio has recently emerged as an indicator of inflammation and oxidative stress. The aim of this study was to evaluate the association of the monocyte to high-density lipoprotein ratio with postoperative atrial fibrillation and mortality in coronary artery bypass grafting. METHODS: Six hundred and sixty-two patients who were in sinus rhythm preoperatively and who had isolated coronary artery bypass grafting were retrospectively included in the study...
December 31, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28040290/obstructive-sleep-and-atrial-fibrillation-pathophysiological-mechanisms-and-therapeutic-implications
#7
REVIEW
Christos A Goudis, Dimitrios G Ketikoglou
Atrial fibrillation (AF) is the commonest arrhythmia in clinical practice and is associated with increased cardiovascular morbidity and mortality. Obstructive sleep apnea (OSA), a common breathing disorder, is an independent risk factor for AF. Several pathophysiological mechanisms, including apnea-induced hypoxia, intrathoracic pressure shifts, sympathovagal imbalance, atrial remodeling, oxidative stress, inflammation and neurohumoral activation have been implicated in the occurrence of AF in OSA patients...
December 22, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28011843/histological-evidence-of-inflammatory-reaction-associated-with-fibrosis-in-the-atrial-and-ventricular-walls-in-a-case-control-study-of-patients-with-history-of-atrial-fibrillation
#8
Lubov B Mitrofanova, Victoria Orshanskaya, Siew Yen Ho, Pyotr G Platonov
AIMS: Chronic inflammation in the atrial myocardium was shown to play an important role in the development of atrial fibrosis in patients with atrial fibrillation (AF). However, it is not clear to what extent atrial inflammatory reaction associated with AF extends on the ventricular myocardium. Our aim was to assess the extent of fibrosis and lymphomononuclear infiltration in human ventricular myocardium and explore its association with AF. METHODS AND RESULTS: Medical records from consecutive autopsies were checked for presence of AF...
December 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27918494/associations-between-neutrophil-gelatinase-associated-lipocalin-neutrophil-to-lymphocyte-ratio-atrial-fibrillation-and-renal-dysfunction-in-chronic-heart-failure
#9
Onur Argan, Dilek Ural, Guliz Kozdag, Tayfun Sahin, Serdar Bozyel, Mujdat Aktas, Kurtulus Karauzum, Irem Yilmaz, Emir Dervis, Aysen Agir
BACKGROUND Atrial fibrillation (AF) and renal dysfunction are two common comorbidities in patients with chronic heart failure with reduced ejection fraction (HFrEF). This study evaluated the effect of permanent AF on renal function in HFrEF and investigated the associations of atrial fibrillation, neutrophil gelatinase-associated lipocalin (NGAL), and neutrophil-to-lymphocyte ratio (NLR) with adverse clinical outcome. MATERIAL AND METHODS Serum NGAL levels measured by ELISA and NLR were compared between patients with sinus rhythm (HFrEF-SR, n=68), with permanent AF (HFrEF-AF, n=62), and a healthy control group (n=50)...
December 5, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27915263/c-reactive-protein-and-risk-of-atrial-fibrillation-in-east-asians
#10
Chang Hee Kwon, Jung Gyu Kang, Hyun Jong Lee, Nan Hee Kim, Joo-Wook Sung, EunSun Cheong, Ki-Chul Sung
AIMS: Inflammation has been suggested to play a role in the pathogenesis of atrial fibrillation (AF). It is uncertain whether C-reactive protein, a robust inflammatory marker, is associated with AF incidence in Asians with lower levels of C-reactive protein compared with western population. This study aimed to determine the association between C-reactive protein and risk of AF in a large population of Koreans. METHODS AND RESULTS: A total of 402 946 Koreans were enrolled in a health screening programme from January 2002 to December 2013...
December 2, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27909476/atrial-fibrillation-and-risk-of-dementia-cognitive-decline
#11
REVIEW
Anand D Shah Md, Faisal M Merchant Md, David B Delurgio Md
Emerging evidence suggests a link between atrial fibrillation and subsequent development of dementia. While a majority of risk can be attributed to cardioembolic stroke secondary to atrial fibrillation, additional risk is apparent, and may be driven by vascular inflammation and changes in cerebral perfusion. Medical therapies including anticoagulation, statin therapy, and angiotensin-renin-aldosterone axis antagonists may reduce dementia risk. Procedural therapies such as atrial fibrillation catheter ablation and left atrial appendage closure may also prove to be important mediators of acute and long-term risk...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27905214/the-association-of-plasma-oxidative-status-and-inflammation-with-the-development-of-atrial-fibrillation-in-patients-presenting-with-st-elevation-myocardial-infarction
#12
Hasan Aydin Bas, Fatih Aksoy, Atilla Icli, Ercan Varol, Abdullah Dogan, Dogan Erdogan, Ibrahim Ersoy, Akif Arslan, Hatem Ari, Nihal Bas, Recep Sutcu, Mehmet Ozaydin
Atrial fibrillation (AF) is the most common supraventricular arrhythmia following ST elevation myocardial infarction (STEMI). Oxidative stress and inflammation may cause structural and electrical remodeling in the atria making these critical processes in the pathology of AF. In this study, we aimed to evaluate the association between total oxidative status (TOS), total antioxidative capacity (TAC) and high-sensitivity C-reactive protein (hs-CRP) in the development of AF in patients presenting with STEMI. This prospective cohort study consisted of 346 patients with STEMI...
December 1, 2016: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/27900409/perspectives-and-challenges-of-antioxidant-therapy-for-atrial-fibrillation
#13
REVIEW
Iveta Gasparova, Peter Kubatka, Radka Opatrilova, Martin Caprnda, Slavomira Filipova, Luis Rodrigo, Leone Malan, Ioana Mozos, Miroslava Rabajdova, Vladimir Nosal, Nazarii Kobyliak, Vanda Valentova, Daniel Petrovic, Mariusz Adamek, Peter Kruzliak
Atrial fibrillation (AF) is the most common sustained arrhythmia associated with significant morbidity and mortality. The mechanisms underlying the pathogenesis of AF are poorly understood, although electrophysiological remodeling has been described as an important initiating step. There is growing evidence that oxidative stress is involved in the pathogenesis of AF. Many known triggers of oxidative stress, such as age, diabetes, smoking, and inflammation, are linked with an increased risk of arrhythmia. Numerous preclinical studies and clinical trials reported the importance of antioxidant therapy in the prevention of AF, using vitamins C and E, polyunsaturated fatty acids, statins, or nitric oxide donors...
January 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/27862036/association-of-%C3%AE-1-adrenergic-m2-muscarinic-receptor-autoantibody-with-occurrence-and-development-of-nonvalvular-atrial-fibrillation
#14
Bing Hu, Yanxiang Sun, Sha Li, Jie Sun, Tong Liu, Zidi Wu, L I Feng
BACKGROUND: Atrial fibrillation (AF) is the most common sustained arrhythmia and is independently associated with increased risk of stroke and death. Although the exact mechanisms of AF are not completely elucidated, a large number of evidences demonstrate that autoimmunity may play an important role in the initiation, the progression, and the maintenance of AF. In this study, we aimed to compare anti-β1-adrenergic receptor autoantibody (anti-β1-R) and anti-M2-muscarinic receptor autoantibody (anti-M2-R) levels between nonvalvular AF patients and healthy control subjects...
December 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27828877/elevated-red-cell-distribution-width-rdw-identifies-elevated-cardiovascular-disease-risk-in-patients-with-hiv-infection
#15
Sadeer G Al-Kindi, Chang H Kim, Stephen R Morris, Michael L Freeman, Nicholas T Funderburg, Benigno Rodriguez, Grace A McComsey, Jarrod E Dalton, Daniel I Simon, Michael M Lederman, Chris T Longenecker, David A Zidar
Red cell distribution width (RDW) is linked to cardiovascular risk in the general population, an association that might be driven by inflammation. Whether this relationship holds for patients with Human Immunodeficiency Virus (HIV) infection has not been previously studied. Using a large clinical registry, we show that elevated RDW (>14.5%) is independently associated with increased risk of coronary artery disease (odds ratio (OR) 1.39 [1.25-1.55]), peripheral vascular disease (OR 1.41 [1.29-1.53]), myocardial infarction (1...
November 4, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27811208/application-of-biomarkers-for-risk-stratification-in-patients-with-atrial-fibrillation
#16
REVIEW
Ziad Hijazi, Jonas Oldgren, Agneta Siegbahn, Lars Wallentin
BACKGROUND: Atrial fibrillation is the most common sustained arrhythmia and an important contributor to cardiovascular morbidity and mortality. Several strategies have been proposed for prediction of outcomes and individualization of treatments to better balance the benefits of stroke prevention and risks of bleeding during anticoagulation. CONTENT: The availability of analytically more specific and sensitive methods to measure circulating biomarkers of cellular and organ stress and dysfunction has led to testing of their utility in several cardiovascular conditions...
January 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/27796860/genetic-risk-factors-for-ischemic-and-hemorrhagic-stroke
#17
REVIEW
Ganesh Chauhan, Stéphanie Debette
Understanding the genetic risk factors for stroke is an essential step to decipher the underlying mechanisms, facilitate the identification of novel therapeutic targets, and optimize the design of prevention strategies. A very small proportion of strokes are attributable to monogenic conditions, the vast majority being multifactorial, with multiple genetic and environmental risk factors of small effect size. Genome-wide association studies and large international consortia have been instrumental in finding genetic risk factors for stroke...
December 2016: Current Cardiology Reports
https://www.readbyqxmd.com/read/27777207/-clinical-value-of-detecting-serum-soluble-cd163-level-in-patients-with-atrial-fibrillation
#18
Shi-Mao Zhong, Yu-Hua Qin, Zuo-Cha Li, Ye-Sheng Wei
OBJECTIVE: To investigate the relationship between atrial fibrillation (AF) and serum soluble CD163. METHODS: A total of 336 patients with heart valve disease were included in this study, including 167 with AF and 169 with sinus rhythm. The clinical data were compared between the two grops, and Logistic regression analysis was used to identify the risk factors associated with AF. RESULTS: The levels of total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), tumor necrosis factor (TNF), interleukin-6 (IL - 6), high-sensitivity C-reactive protein (hs-CRP) and left atrial diameter (LAD) all differed significantly between the two groups (P<0...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27776204/mean-platelet-volume-a-potential-biomarker-of-the-risk-and-prognosis-of-heart-disease
#19
Dong-Hyun Choi, Seong-Ho Kang, Heesang Song
Platelets are essential for progression of atherosclerotic lesions, plaque destabilization, and thrombosis. They secrete and express many substances that are crucial mediators of coagulation, inflammation, and atherosclerosis. Mean platelet volume (MPV) is a precise measure of platelet size, and is routinely reported during complete blood count analysis. Emerging evidence supports the use of MPV as a biomarker predicting the risk of ischemic stroke in patients with atrial fibrillation, and as a guide for prescription of anticoagulation and rhythm-control therapy...
October 24, 2016: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/27712649/high-sensitivity-c-reactive-protein-and-risk-of-stroke-in-atrial-fibrillation-from-the-reasons-for-geographic-and-racial-differences-in-stroke-study
#20
Farah Z Dawood, Suzanne Judd, Virginia J Howard, Nita A Limdi, James F Meschia, Mary Cushman, George Howard, David M Herrington, Elsayed Z Soliman
The relation between inflammation and prothrombotic state in atrial fibrillation (AF) is well recognized. This suggests a potential role for high-sensitivity C-reactive protein (hs-CRP), a marker of systemic inflammation, in improving prediction of stroke in participants with AF. Cox proportional hazard analysis was used to examine the risk of stroke in 25,841 participants (40% black and 55% women) with and without AF who were enrolled in the Reasons for Geographic and Racial Differences in Stroke study from 2003 to 2007...
December 15, 2016: American Journal of Cardiology
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