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Atrial fibrillation AND inflammation

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https://www.readbyqxmd.com/read/28430117/fluvastatin-therapy-could-not-decrease-progression-of-paroxysmal-atrial-fibrillation-in-non-valvular-disease-patients
#1
Qiang Tan, Shuangyue Zhang, Xiaoyi Zou, Jun Zhao, Jia Hao, Qian Sun
OBJECTIVE: This study aimed to evaluate whether fluvastatin therapy could decrease the probability of atrial fibrillation (AF) progression from paroxysmal AF to permanent AF and decrease the recurrence frequency of AF. METHODS: Analyses were performed using two-tailed Student's t test or Mann-Whitney U tests. Categorical variables were compared with the χ2 statistics or Fisher's exact test. Patients with paroxysmal AF were randomized case-control, prospective into either the fluvastatin group (n=61) or control group (n=57)...
April 10, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28422282/analysis-of-circulating-mir-1-mir-23a-and-mir-26a-in-atrial-fibrillation-patients-undergoing-coronary-bypass-artery-grafting-surgery
#2
Andre Feldman, Dalmo Antonio Ribeiro Moreira, Carlos Gun, Hui-Tzu Lin Wang, Mario Hiroyuki Hirata, Juliana de Freitas Germano, Gabriela Guimarães Sousa Leite, Pedro Farsky
Atrial fibrillation (AF) is the most common arrhythmia after cardiac surgery. From a pathophysiological point of view, a myriad of factors such as trauma, atrial dilation, ischemia, mechanical myopericarditis, autonomic imbalance, loss of connexins, AF nest remodeling, inflammation, sutures, and dysfunction caused by postextracorporeal circulation can contribute to postoperative atrial fibrillation (POAF) resulting in a longer hospital stay and consequently higher cost. Recent studies showed that short fragments of RNA, called microRNA (miRNA), can contribute to the development of several cardiovascular diseases, including AF...
May 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28389522/traumatic-intracranial-haemorrhage-is-in-association-with-an-increased-risk-of-subsequent-atrial-fibrillation
#3
Wei-Shiang Lin, Tzu-Chiao Lin, Yuan Hung, Wen-Yu Lin, Chin-Sheng Lin, Cheng-Li Lin, Shu-Meng Cheng, Chia-Hung Kao
OBJECTIVE: Traumatic intracranial haemorrhage (ICH) leads to systemic inflammatory response and arrhythmia. Atrial fibrillation (AF), the most common arrhythmia, is associated with systemic inflammation. However, limited evidence is available regarding the association between traumatic ICH and AF. METHODS: This study used the National Health Insurance Research Database, a nationwide population-based cohort, in Taiwan and total 130 171 individuals with traumatic ICH from 2000 to 2011 were identified...
April 7, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28387847/does-atrial-fibrillation-cause-cognitive-decline-and-dementia
#4
Joanna Dietzel, Karl Georg Haeusler, Matthias Endres
Atrial fibrillation (AF) and dementia are both frequent diseases with substantial socioeconomic impact. While AF has been associated with cognitive dysfunction and dementia, we currently lack an exact understanding of the complex association between AF and cognitive decline. Based on an extended literature search we summarize key publications focusing on AF-related cognitive decline and dementia. Moreover, ongoing trials and potential therapeutic implications are discussed. While further prospective studies using a standardized definition of AF and cognitive decline are urgently needed, growing evidence supports the hypothesis that AF is an independent risk factor for cognitive decline and dementia in general and for Alzheimer's disease in particular...
April 6, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28382425/characteristics-of-pr-interval-as-predictor-for-atrial-fibrillation-association-with-biomarkers-and-outcomes
#5
REVIEW
Katja Schumacher, Nikolaos Dagres, Gerhard Hindricks, Daniela Husser, Andreas Bollmann, Jelena Kornej
The PR interval may be considered as a simple and easily obtainable predictor for adverse events, including atrial fibrillation (AF), pacemaker implantation, and mortality. Interestingly, both high and low extremes of the PR duration are associated with AF risk. However, the results regarding PR prolongation as a risk factor for AF are inconsistent. Some studies have analyzed the impact of P duration (as a part of the PR interval) and demonstrated that the P-duration contributes to the length of PR interval and adverse outcomes...
April 5, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28379329/median-nerve-stimulation-prevents-atrial-electrical-remodelling-and-inflammation-in-a-canine-model-with-rapid-atrial-pacing
#6
Qingyan Zhao, Shudi Zhang, Hongyi Zhao, Shujuan Zhang, Zixuan Dai, Yongsheng Qian, Youjing Zhang, Xi Wang, Yanhong Tang, Congxin Huang
Aims: Studies have shown that stellate ganglion nerve activity has association with atrial electrical remodelling and atrial fibrillation (AF) inducibility, while median nerve stimulation (MNS) decreases cardiac sympathetic drive. In this study, we tested the hypothesis that MNS suppresses atrial electrical remodelling and AF vulnerability. Methods and results: The atrial effective refractory period (AERP) and AF inducibility at baseline and after 3 h of rapid atrial pacing were determined in dogs undergoing MNS (n = 7), MNS+ application of methyllycaconitine (n = 7) or sham procedure (n = 6)...
March 31, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28369234/postoperative-atrial-fibrillation-following-cardiac-surgery-a-persistent-complication
#7
Jason W Greenberg, Timothy S Lancaster, Richard B Schuessler, Spencer J Melby
Postoperative atrial fibrillation (POAF) is a common, expensive and potentially morbid complication following cardiac surgery. POAF occurs in around 35% of cardiac surgery cases and has a peak incidence on postoperative day 2. Patients who develop POAF incur on average $10 000-$20 000 in additional hospital treatment costs, 12-24 h of prolonged ICU time, and an additional 2 to 5 days in the hospital. POAF has been identified as an independent predictor of numerous adverse outcomes, including a 2- to 4-fold increased risk of stroke, reoperation for bleeding, infection, renal or respiratory failure, cardiac arrest, cerebral complications, need for permanent pacemaker placement, and a 2-fold increase in all-cause 30-day and 6-month mortality...
March 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28355442/association-between-vascular-cell-adhesion-molecule-1-and-atrial-fibrillation
#8
Karin Willeit, Raimund Pechlaner, Peter Willeit, Philipp Skroblin, Bernhard Paulweber, Christiana Schernthaner, Thomas Toell, Georg Egger, Siegfried Weger, Martin Oberhollenzer, Ludmilla Kedenko, Bernhard Iglseder, Enzo Bonora, Georg Schett, Manuel Mayr, Johann Willeit, Stefan Kiechl
Importance: Accumulating evidence links inflammation and atrial fibrillation (AF). Objective: To assess whether markers of systemic and atrial inflammation are associated with incident AF in the general population. Design, Setting, and Participants: The Bruneck Study is a prospective, population-based cohort study with a 20-year follow-up (n = 909). The population included a random sample of the general community aged 40 to 79 years. Levels of 13 inflammation markers were measured at baseline in 1990...
March 29, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28347792/ppar%C3%AE-agonists-use-and-recurrence-of-atrial-fibrillation-after-successful-electrical-cardioversion
#9
Jun Gu, Wei Hu, Zhi-Ping Song, Xu Liu, Da-Dong Zhang
Inflammation is associated with atrial fibrillation (AF) and peroxisome proliferators activated receptor-gamma (PPARγ) agonists have anti-inflammatory properties. We tested if pioglitazone reduced AF recurrence after electrical cardioversion (EC) by modifying systemic inflammation. In this randomized and prospective trial, patients with persistent AF and type 2 diabetes mellitus were randomized into pioglitazone group (n=48) or control group (n=49) before EC. Treatment was continued for 3 months or until AF recurred...
March 24, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28338788/hypertension-and-atrial-fibrillation-an-intimate-association-of-epidemiology-pathophysiology-and-outcomes
#10
Mikhail S Dzeshka, Farhan Shahid, Alena Shantsila, Gregory Y H Lip
Atrial fibrillation (AF) is the most prevalent sustained arrhythmia found in clinical practice. AF rarely exists as a single entity but rather as part of a diverse clinical spectrum of cardiovascular diseases, related to structural and electrical remodeling within the left atrium, leading to AF onset, perpetuation, and progression. Due to the high overall prevalence within the AF population arterial hypertension plays a significant role in the pathogenesis of AF and its complications. Fibroblast proliferation, apoptosis of cardiomyocytes, gap junction remodeling, accumulation of collagen both in atrial and ventricular myocardium all accompany ageing-related structural remodeling with impact on electrical activity...
February 18, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28315199/hiv-infection-and-risk-of-cardiovascular-diseases-beyond-coronary-artery-disease
#11
REVIEW
Revery P Barnes, John Charles A Lacson, Hossein Bahrami
PURPOSE OF REVIEW: Cardiovascular disease (CVD) increasingly afflicts people living with HIV (PLWH) in the contemporary era of antiretroviral therapy (ART). Coronary artery disease (CAD) is the most widely studied cardiovascular problem in PLWH; however, less is known about other clinically relevant subtypes of CVD such as heart failure (HF), cerebrovascular disease, sudden cardiac death, pericardial diseases, and pulmonary hypertension. This paper reviews evidence of other subtypes of CVD as emerging issues in the post-ART era...
May 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28299332/relationship-between-angiotensin-converting-enzyme-apelin-and-new-onset-atrial-fibrillation-after-off-pump-coronary-artery-bypass-grafting
#12
Shu Xu, Jian Zhang, Yin-Li Xu, Hai-Bo Wu, Xiao-Dong Xue, Hui-Shan Wang
It has been shown that inflammation and oxidative stress are important factors in postoperative atrial fibrillation (POAF). Angiotensin converting enzyme (ACE) and apelin have a close relationship with inflammation and oxidative stress. The effect of ACE and apelin on POAF after off-pump coronary artery bypass grafting (OPCABG) remains a question. The concentrations of serum ACE, angiotensin II (Ang II), apelin, bradykinin (BK), malondialdehyde (MDA), and C reactive protein (CRP) were measured in the perioperative period of OPCABG...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28292220/impact-of-low-dose-hydrocortisone-on-the-incidence-of-atrial-fibrillation-in-patients-with-septic-shock
#13
Yoann Launey, Sigismond Lasocki, Karim Asehnoune, Baptiste Gaudriot, Claire Chassier, Raphael Cinotti, Pascale Le Maguet, Leila Laksiri, Olivier Mimoz, Audrey Tawa, Nicolas Nesseler, Yannick Malledant, Bastien Perrot, Philippe Seguin
PURPOSE: Atrial fibrillation (AF) is common in the intensive care unit (ICU), notably in patients with septic shock for whom inflammation is an already identified risk factor. The aim of this study was to evaluate the effect of low-dose hydrocortisone on AF occurrence in patients with septic shock. METHODS: We performed a prospective nonrandomized observational study in 5 academic ICUs in France. From November 2012 to June 2014, all patients ≥16 years having septic shock were included, except those who had a history of AF, had a pacemaker, and/or experienced AF during hospitalization before the onset of shock or in whom the onset of shock occurred prior to admission to the ICU...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28276729/elevated-calprotectin-in-patients-with-atrial-fibrillation-with-and-without-heart-failure
#14
Lærke V Bruhn, Kasper G Lauridsen, Anders S Schmidt, Hans Rickers, Leif F Bach, Bo Løfgren, Nete Hornung
Calprotectin is an inflammatory marker, which has been found elevated in patients suffering from cardiac conditions, e.g. myocardial infarction, unstable angina and chronic heart failure. Inflammation has further been linked to atrial fibrillation (AF). However, the association between calprotectin and AF is unknown. We aimed to compare calprotectin levels in patients suffering from AF with healthy adults. In addition, AF patients with and without heart failure were compared. Calprotectin was measured in patients undergoing elective direct current cardioversion for AF...
May 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28274566/postoperative-atrial-fibrillation-the-role-of-the-inflammatory-response
#15
Yosuke Ishii, Richard B Schuessler, Sydney L Gaynor, Kiyomi Hames, Ralph J Damiano
OBJECTIVE: Abnormal atrial conduction has been shown to be a substrate for postoperative atrial fibrillation (POAF). This study aimed to determine the relationship between the location of the atrial reentry responsible for POAF, and degree of atrial inflammation. METHODS: Normal mongrel dogs (n = 18) were divided into 3 groups: anesthesia alone (anesthesia), lateral right atriotomy (atriotomy), and lateral right atriotomy with anti-inflammatory therapy (steroid)...
February 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28258730/effects-of-alpha-lipoic-acid-on-multiple-cytokines-and-biomarkers-and-recurrence-of-atrial-fibrillation-within-1-year-of-catheter-ablation
#16
Celestino Sardu, Gaetano Santulli, Matteo Santamaria, Michelangela Barbieri, Cosimo Sacra, Pasquale Paolisso, Fabio D'Amico, Nicola Testa, Igor Caporaso, Giuseppe Paolisso, Raffaele Marfella, Maria Rosaria Rizzo
Catheter ablation (CA) is a procedure commonly used to restore sinus rhythm in patients with atrial fibrillation (AF). However, AF recurrence after CA remains a relevant clinical issue. We tested the effects of an oral antioxidant treatment (alpha lipoic acid [ALA]) on AF recurrence post-CA. Patients with paroxysmal AF have been enrolled in a randomized, prospective, double-blind, controlled placebo trial. After CA, patients have been randomly assigned to receive ALA oral supplementation (ALA group) or placebo (control group) and evaluated at baseline and after a 12-month follow-up: 73 patients completed the 12-month follow-up (ALA: 33 and control: 40)...
May 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28244597/interleukin-37-elevation-in-patients-with-atrial-fibrillation
#17
Weidong Li, Shijie Li, Xianjin Li, Shuzhong Jiang, Bing Han
BACKGROUND: Inflammation is closely related to atrial fibrillation (AF) pathogenesis, and interleukin-37 (IL-37) represents a new member of the anti-inflammatory cytokines. HYPOTHESIS: IL-37 might play an important role in AF development and act as a potential risk factor for AF diagnosis. METHODS: The mRNA level of IL-37 in peripheral blood mononuclear cells (PBMCs) and serum IL-37 levels in AF patients and healthy controls were measured by real-time polymerase chain reaction (RT-PCR) and enzyme-linked immunosorbent assay (ELISA)...
February 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28229312/routine-18-f-fdg-pet-ct-does-not-detect-inflammation-in-the-left-atrium-in-patients-with-atrial-fibrillation
#18
Philipp S Lange, Nemanja Avramovic, Gerrit Frommeyer, Kristina Wasmer, Christian Pott, Lars Eckardt, Christian Wenning
Increasing evidence supports a role of inflammation in the development of atrial fibrillation (AF). However, direct evidence of persistent inflammatory activity in the atria of AF patients is scarce. In this study, we used 18-Fluor-Deoxyglucose positron emission tomography computed tomography ((18)F-FDG PET/CT) to determine atrial inflammation in patients with and without AF. Retrospectively, (18)F-FDG PET/CT scans were analyzed. 37 patients with a history of AF were compared to an age and sex matched control group with no history of AF...
February 22, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28225836/analysis-of-immune-cell-populations-in-atrial-myocardium-of-patients-with-atrial-fibrillation-or-sinus-rhythm
#19
Natalia Smorodinova, Martin Bláha, Vojtěch Melenovský, Karolína Rozsívalová, Jaromír Přidal, Mária Ďurišová, Jan Pirk, Josef Kautzner, Tomáš Kučera
BACKGROUND: Atrial fibrillation (AF) is the most common arrhythmia and despite obvious clinical importance remains its pathogenesis only partially explained. A relation between inflammation and AF has been suggested by findings of increased inflammatory markers in AF patients. OBJECTIVE: The goal of this study was to characterize morphologically and functionally CD45-positive inflammatory cell populations in atrial myocardium of patients with AF as compared to sinus rhythm (SR)...
2017: PloS One
https://www.readbyqxmd.com/read/28214792/suppression-of-tumorigenicity-2-in-heart-failure-with-preserved-ejection-fraction
#20
Omar F AbouEzzeddine, Paul M McKie, Shannon M Dunlay, Susanna R Stevens, G Michael Felker, Barry A Borlaug, Horng H Chen, Russell P Tracy, Eugene Braunwald, Margaret M Redfield
BACKGROUND: Soluble suppression of tumorigenicity 2 (sST2) receptor is a biomarker that is elevated in certain systemic inflammatory diseases. Comorbidity-driven microvascular inflammation is postulated to play a key role in heart failure with preserved ejection fraction (HFpEF) pathophysiology, but data on how sST2 relates to clinical characteristics or inflammatory conditions or biomarkers in HFpEF are limited. We sought to determine circulating levels and clinical correlates of sST2 in HFpEF...
February 18, 2017: Journal of the American Heart Association
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