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Atrial fibrillation AND inflammation

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https://www.readbyqxmd.com/read/28639752/eosinophils-in-patients-with-lone-atrial-fibrillation
#1
Peng Chen, Junzhu Chen, Xudong Xie, Junhui Zhu, Liang Xia
BACKGROUND: Inflammation has been evidenced as a critical contributable mechanism for the atrial fibrillation (AF) onset and development. As the consistent inflammatory and oxidative marker, the effects of white blood cell (WBC) and its differential on lone atrial fibrillation (LAF) were investigated in the study. METHODS: 126 patients with paroxysmal LAF who scheduled for rhythm control drug therapy and 120 age- and gender-matched subjects in sinus rhythm were included sequentially...
June 22, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28629772/impact-of-the-cardiovascular-system-associated-adipose-tissue-on-atherosclerotic-pathology
#2
REVIEW
Dimitry A Chistiakov, Andrey V Grechko, Veronika A Myasoedova, Alexandra A Melnichenko, Alexander N Orekhov
Cardiac obesity makes an important contribution to the pathogenesis of cardiovascular disease. One of the important pathways of this contribution is the inflammatory process that takes place in the adipose tissue. In this review, we consider the role of the cardiovascular system-associated fat in atherosclerotic cardiovascular pathology and a non-atherosclerotic cause of coronary artery disease, such as atrial fibrillation. Cardiovascular system-associated fat not only serves as the energy store, but also releases adipokines that control local and systemic metabolism, heart/vascular function and vessel tone, and a number of vasodilating and anti-inflammatory substances...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28615935/serum-inflammatory-biomarkers-and-clinical-outcomes-of-copd-exacerbation-caused-by-different-pathogens
#3
Theerasuk Kawamatawong, Apitch Apiwattanaporn, Warisara Siricharoonwong
BACKGROUND AND OBJECTIVE: COPD exacerbation is characterized by worsening of symptoms, warranting change in treatment. Systemic and airway inflammation play roles in the pathogenesis of COPD exacerbation. We hypothesized whether increased serum inflammatory biomarkers are associated with the clinical outcomes of COPD exacerbation caused by different infectious pathogens. METHODS: COPD patients with exacerbation were recruited from a hospital emergency department during 2014-2015...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28613212/baseline-serum-globulin-as-a-predictor-of-the-recurrence-of-lone-atrial-fibrillation-after-radiofrequency-catheter-ablation
#4
Qing Zhou, Hailong Cao, Zhenjun Xu, Rongfang Lan, Xin Chen, Dongjin Wang, Wei Xu
OBJECTIVE: Inflammation and autoimmune responses play an important role in recurrence of atrial fibrillation (AF). Serum globulin levels are a commonly used clinical index that represents inflammation and autoimmune response. This study aimed to determine the relationship between baseline serum globulin levels and the risk of recurrence after ablation in lone AF patients. METHODS: We enrolled 348 lone AF patients undergoing radiofrequency catheter ablation for the first time for whom complete follow-up data were available...
May 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28610436/obstructive-sleep-apnoea-in-diabetes-does-it-matter
#5
Abd A Tahrani
Obstructive sleep apnoea (OSA) is very common in patients with Type 2 diabetes (T2D), which is not surprising considering that obesity is a common risk factor for both conditions. In general population studies, OSA has been shown to be associated with several comorbidities including increased risk of road traffic accidents, T2D, hypertension and lack of nocturnal dipping of blood pressure, hyperlipidaemia, increased inflammation, increased risk of cardiovascular disease and mortality, increased risk of atrial fibrillation, worse quality of life, and erectile dysfunction...
June 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28606607/state-of-the-art-review-atrial-fibrillation-in-athletes
#6
REVIEW
M Darragh Flannery, Jonathan M Kalman, Prashanthan Sanders, André La Gerche
Exercise has substantial health benefits with pleomorphic vascular, metabolic, psychological and anti-neoplastic actions resulting in improved quality of life and longevity. Despite these many benefits, numerous studies have shown that endurance athletes are more likely to develop atrial fibrillation (AF) than non-athletes. The type, intensity and amount of sport appears to influence the risk of developing AF. Several endurance sport activities have been shown to increase the risk of developing AF but an excess in AF has not been shown in non-endurance sports...
June 3, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28595204/association-of-neutrophil-lymphocyte-ratio-and-cha2ds2-vasc-score-with-left-atrial-thrombus-in-patients-who-are-candidates-for-percutaneous-mitral-balloon-valvuloplasty
#7
Orhan Maden, Kevser G Balci, Mustafa M Balci, Serdar Kuyumcu, Hatice Selçuk, Mehmet T Selçuk
OBJECTIVE: Association between inflammation and pro-thrombotic state has been described previously. Aim of the present study was to investigate if presence of left atrial (LA) thrombus or spontaneous echocardiographic contrast (SEC) in rheumatic mitral stenosis (MS) was related to neutrophil/lymphocyte ratio (NLR), and to determine predictive utility of the CHA2DS2-VASc risk stratification score in patients with mitral stenosis complicated by LA thrombus. METHODS: NLR and CHA2DS2-VASc score of 188 patients with MS and 35 healthy controls were evaluated...
June 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28588491/therapeutic-effects-of-breviscapine-in-cardiovascular-diseases-a-review
#8
REVIEW
Jialiang Gao, Guang Chen, Haoqiang He, Chao Liu, Xingjiang Xiong, Jun Li, Jie Wang
Breviscapine is a crude extract of several flavonoids of Erigeron breviscapus (Vant.) Hand.-Mazz., containing more than 85% of scutellarin, which has been traditionally used in China as an activating blood circulation medicine to improve cerebral blood supply. Accumulating evidence from various in vivo and in vitro studies has shown that breviscapine exerts a broad range of cardiovascular pharmacological effects, including vasodilation, protection against ischaemia/reperfusion (I/R), anti-inflammation, anticoagulation, antithrombosis, endothelial protection, myocardial protection, reduction of smooth muscle cell migration and proliferation, anticardiac remodeling, antiarrhythmia, blood lipid reduction, and improvement of erectile dysfunction...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28585031/-18-f-fdg-pet-in-finnish-patients-with-clinical-suspicion-of-cardiac-sarcoidosis-female-sex-and-history-of-atrioventricular-block-increase-the-prevalence-of-positive-pet-findings
#9
Heikki Tuominen, Atte Haarala, Antti Tikkakoski, Pasi Korkola, Mika Kähönen, Kjell Nikus, Kalle Sipilä
INTRODUCTION: Fluorodeoxyglucose positron emission tomography (FDG-PET) is a non-invasive imaging modality that has been shown to be a feasible method to demonstrate myocardial inflammation. The aim of this study was to identify the patients suspected of having cardiac sarcoidosis (CS), who are most likely to benefit from PET imaging. MATERIALS AND METHODS: 137 patients suspected of having CS underwent a dedicated cardiac FDG-PET examination at Tampere University Hospital between August 2012 and September 2015...
June 5, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28582578/proteomics-of-the-epicardial-fat-secretome-and-its-role-in-post-operative-atrial-fibrillation
#10
Alessandro Viviano, Xiaoke Yin, Anna Zampetaki, Marika Fava, Mark Gallagher, Manuel Mayr, Marjan Jahangiri
Aims: Post-operative atrial fibrillation (POAF) is a predictor of morbidity and mortality after cardiac surgery. Latent predisposing factors may reside in the epicardial adipose tissue (EAT) due to its anatomical position and high protein production rate. In order to explore a possible mechanistic link, we characterized proteins secreted by the EAT preceding the onset of POAF. Methods and results: Epicardial adipose tissue samples were collected from 76 consecutive patients with no history of AF undergoing coronary artery bypass surgery, 50 samples for proteomic analysis and 26 for gene expression studies, further divided according to development of POAF...
June 5, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28579228/association-of-systemic-inflammation-score-with-atrial-fibrillation-a-case-control-study-with-propensity-score-matching
#11
Huan Zhang, Jun Li, Xinghua Chen, Na Wu, Weijia Xie, He Tang, Chengying Li, Long Wu, Ying Xiang, Li Zhong, Yafei Li
BACKGROUND: Inflammation plays a key role in the initiation and progression of atrial fibrillation (AF). We developed a novel systemic inflammation score (SIS) based on integration of biomarkers used routinely in clinical settings. We aim to explore the association between SIS and AF. METHODS: A matched case-control study with 376 pairs of AF cases and controls was performed using a propensity score matching system. The SIS was developed by integrating albumin (ALB), neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), and lymphocytes to monocytes ratio (LMR)...
May 10, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28559982/long-noncoding-rnas-and-novel-inflammatory-genes-determined-by-rna-sequencing-in-human-lymphocytes-are-up-regulated-in-permanent-atrial-fibrillation
#12
Xue-Jing Yu, Li-Hui Zou, Jun-Hua Jin, Fei Xiao, Li Li, Nan Liu, Jie-Fu Yang, Tong Zou
Atrial fibrillation (AF) is a common arrhythmia in clinical practice. Currently, approximately 33.5 million individuals are affected by AF globally. AF involves multiple complicated mechanisms which have not been fully investigated yet. RNA sequencing (RNAseq) is an outstanding method for investigation of diseases due to its high-throughput information. Here, RNAseq was applied to determine mRNA and long noncoding RNA (lncRNA) expression profiles in human lymphocytes from 6 permanent atrial fibrillation (pmAF) patients and 6 healthy controls...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28553032/stroke-in-patients-with-chronic-kidney-disease%C3%A2-how-do-we-approach-and-manage-it
#13
REVIEW
S Nayak-Rao, M P Shenoy
Renal failure is a potent risk factor for stroke, which is a leading cause of morbidity and mortality worldwide. The risk of stroke is 5-30 times higher in patients with chronic kidney disease (CKD), especially on dialysis. Case fatality rates are also higher reaching almost 90%. It is therefore important to understand the factors that predispose to stroke in this vulnerable population to better apply preventive strategies. The heightened risk of stroke in CKD represents the interplay of the vascular co-morbidities that occur with renal impairment and factors specific to renal failure such as malnutrition-inflammation-atherosclerosis complex, the effect of uremic toxins, dialysis techniques, vascular access, and the use of anticoagulants to maintain flow in the extracorporeal circuit...
May 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28539056/systemic-inflammation-and-arrhythmogenesis-a-review-of-mechanistic-and-clinical-perspectives
#14
Tulin Yalta, Kenan Yalta
In the recent decades, systemic inflammation, as a clinical phenomenon, has been the focus of extensive research particularly with regard to its potential association with a variety of cardiovascular diseases including atherogenesis and acute coronary syndromes. Within this context, there also exists a potential link between systemic inflammation and cardiac arrhythmogenesis in various aspects. Accordingly, systemic inflammation response as measured with inflammation markers (cytokines, etc) has been investigated in the setting of well-known cardiac arrhythmias including atrial fibrillation and ventricular tachycardia...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28528288/cancer-atrial-fibrillation-and-stroke
#15
REVIEW
Tess Fitzpatrick, Marc Carrier, Grégoire Le Gal
Cancer patients appear to be at increased risk for atrial fibrillation. Although surgery and chemotherapy exacerbate this risk, this association is observed even in the absence of any cancer-specific treatment. The underlying mechanism of this is likely multifactorial, but systemic inflammation and autonomic dysregulation are hypothesized to play critical roles. Cancer and atrial fibrillation are both independent risk factors for ischemic stroke; however, it is not clear whether this translates to an increased risk of stroke in patients with both comorbidities...
May 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28526653/genetic-variants-of-interleukin-18-are-associated-with-reduced-risk-of-atrial-fibrillation-in-a-population-from-northeast-china
#16
Ying-Hui Wang, Lin Fu, Bo Wang, Shu-Feng Li, Zhao Sun, Ying Luan
Atrial fibrillation (AF) affects approximately 1-2% of general population. Chronic inflammation plays an important role in AF development and interleukin-18 (IL-18) is a pro-inflammatory cytokine. This study aimed to assess the association of single nucleotide polymorphisms (SNPs) of IL-18 for with AF risk. Blood samples were taken from 243 AF patients and 160 non-AF individuals from a Chinese population and subjected to genotyping for six IL-18 SNPs using the MassArray system. Association of individual SNPs with AF risk was analyzed using SAS version 9...
May 16, 2017: Gene
https://www.readbyqxmd.com/read/28506639/increased-c-reactive-protein-plasma-levels-are-not-involved-in-the-onset-of-post-operative-atrial-fibrillation
#17
Andrea Del Campo, Juan Roldán, Hugo E Verdejo, Ricardo Zalaquett, Elia Becerra, Mario Navarro-Marquez, Rosemarie Mellado, Sergio Lavandero, Ramón Corbalán, Lorena García, Mario Chiong
BACKGROUND: Increased inflammation biomarkers plasma levels, including C-reactive protein (CRP), have been associated with the initiation and perpetuation of atrial fibrillation (AF). However, it is not known whether an increased CRP plasma level, without concomitant inflammation, is sufficient to induce AF. We investigated whether higher CRP plasma levels, determined by the presence of +219G>A CRP gene polymorphism, is associated with an increased risk of post-operative AF. METHODS: One hundred and fifteen adult patients submitted to elective coronary surgery were genotyped for the CRP +219G>A polymorphism...
May 12, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28487062/mitochondrial-damps-are-released-during-cardiopulmonary-bypass-surgery-and-are-associated-with-postoperative-atrial-fibrillation
#18
Nicola Sandler, Elzbieta Kaczmarek, Kiyoshi Itagaki, Yi Zheng, Leo Otterbein, Kamal Khabbaz, David Liu, Venkatachalam Senthilnathan, Russell L Gruen, Carl J Hauser
BACKGROUND: Atrial fibrillation (AF) is the most frequent complication of surgery performed on cardiopulmonary bypass (CPB) and recent work associates CPB with postoperative inflammation. We have shown that all tissue injury releases mitochondrial damage associated molecular patterns (mtDAMPs) including mitochondrial DNA (mtDNA). This can act as a direct, early activator of neutrophils (PMN), eliciting a systemic inflammatory response syndrome (SIRS) while suppressing PMN function. Neutrophil Extracellular Traps (NETs) are crucial to host defence...
March 24, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28461885/serum-uric-acid-kidney-function-and-acute-ischemic-stroke-outcomes-in-elderly-patients-a-single-cohort-perspective-study
#19
Lorenzo Falsetti, William Capeci, Nicola Tarquinio, Giovanna Viticchi, Mauro Silvestrini, Vania Catozzo, Agnese Fioranelli, Laura Buratti, Francesco Pellegrini
Chronic kidney disease and hyperuricemia have been associated to an increased risk and a worse prognosis in acute ischemic stroke. Several mechanisms, including platelet dysfunction, coagulation disorders, endothelial dysfunction, inflammation, and an increased risk of atrial fibrillation could be implicated. The role of serum uric acid in this setting is still object of debate. We enrolled all the consecutive patients admitted to our department for acute ischemic stroke. Cox regression analysis was used to evaluate the risk of in-hospital death considering serum uric acid levels and all the comorbidities...
February 20, 2017: Neurology International
https://www.readbyqxmd.com/read/28457700/human-connexin40-mutations-slow-conduction-and-increase-propensity-for-atrial-fibrillation
#20
Ajita Kanthan, Peter Fahmy, Renuka Rao, Jim Pouliopoulos, Ian E Alexander, Stuart P Thomas, Eddy Kizana
BACKGROUND: Patch clamping studies using non-cardiomyocytes revealed that the human connexin40 mutations P88S, G38D, and A96S are associated with reduced gap junction conductances compared to wild type connexin40 (wtCx40). Their effects within myocytes however are unclear. We aimed to characterise P88S, G38D, and A96S after expression in rat hearts and primary cardiomyocyte cultures. METHODS: Adult Sprague-Dawley rat atria were transduced with a lentivector containing a transgene encoding wtCx40, P88S, G38D, A96S, or eGFP (n=6 per transgene)...
March 21, 2017: Heart, Lung & Circulation
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