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atrial fibrillation comparative

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https://www.readbyqxmd.com/read/27919928/impact-of-surgical-ablation-of-atrial-fibrillation-on-the-progression-of-tricuspid-regurgitation-and-right-sided-heart-remodeling-after-mitral-valve-surgery-a-propensity-score-matching-analysis
#1
Jiangang Wang, Jie Han, Yan Li, Qing Ye, Fei Meng, Tiange Luo, Baiyu Tian, Haibo Zhang, Yixin Jia, Wen Zeng, Chunlei Xu, Wei Han, Yuqing Jiao, Xu Meng
BACKGROUND: This study assessed the role of surgical ablation for atrial fibrillation (AF) in decreasing tricuspid regurgitation (TR) and right-sided heart remodeling in patients after mitral valve procedure. METHODS AND RESULTS: Between 1994 and 2014, 1568 consecutive patients with AF undergoing mitral valve procedure were identified. In 26.0% (n=408), surgical ablation of AF was used. Propensity-score matching (PSM) was performed on the basis of 41 known perioperative risk variables...
December 5, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27919159/atrial-conduction-times-and-left-atrial-mechanical-functions-and-their-relation-with-diastolic-function-in-prediabetic-patients
#2
Naile Eris Gudul, Turgut Karabag, Muhammet Rasit Sayin, Taner Bayraktaroglu, Mustafa Aydin
Background/Aims: The aim of this study was to investigate atrial conduction times and left atrial mechanical functions, the noninvasive predictors of atrial fibrillation, in prediabetic patients with impaired fasting glucose (IFG) and impaired glucose tolerance (IGT). Methods: Study included 59 patients (23 males, 36 females; mean age 52.5 ± 10.6 years) diagnosed with IFG or IGT by the American Diabetes Association criteria, and 43 healthy adults (22 males, 21 females; mean age 48...
December 6, 2016: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/27918847/left-ventricular-compressions-improve-hemodynamics-in-a-swine-model-of-out-of-hospital-cardiac-arrest
#3
Kenton L Anderson, Maria G Castaneda, Susan M Boudreau, Danny J Sharon, Vikhyat S Bebarta
INTRODUCTION: We hypothesized that chest compressions located directly over the left ventricle (LV) would improve hemodynamics, including coronary perfusion pressure (CPP), and return of spontaneous circulation (ROSC) in a swine model of cardiac arrest. METHODS: Transthoracic echocardiography (echo) was used to mark the location of the aortic root and the center of the left ventricle on animals (n = 26) which were randomized to receive chest compressions in one of the two locations...
December 5, 2016: Prehospital Emergency Care
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
#4
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/27918330/preoperative-echocardiographic-indices-of-diastolic-dysfunction-and-brain-natriuretic-peptide-in-predicting-postoperative-atrial-fibrillation-after-noncardiac-surgery
#5
Oren Brecher, Harleena Gulati, Nancy Roistacher, Hao Zhang, Weiji Shi, Howard T Thaler, David Amar
BACKGROUND: We have shown previously that either echocardiographic indices of diastolic dysfunction or increased preoperative brain natriuretic peptide (BNP) predict postoperative atrial fibrillation (POAF). Because these 2 predictors of POAF have not been evaluated together, our goal was to further elucidate their concurrent role in patients undergoing noncardiac thoracic surgery. METHODS: We retrospectively identified 191 patients who had a preoperative transthoracic echocardiogram and serum BNP level collected as part of routine care before major lung or esophageal resection...
December 1, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27917818/galectin-3-a-biochemical-marker-to-detect-paroxysmal-atrial-fibrillation
#6
Yusuf Selcoki, H İbrahim Aydin, Tugrul H Celik, Ahmet Isleyen, Ali Erayman, M Bora Demircelik, Hilmi Demirin, Aydin Kosus, Beyhan Eryonucu
PURPOSE: Atrial fibrillation (AF) is the most common form of arrhythmia. AF leads to electrical remodelling and fibrosis of the atria; however, the mechanism(s) remain poorly understood. Galectin-3 is a potential mediator of cardiac fibrosis. The present study aimed to examine the relationship between serum galectin-3 levels and paroxysmal AF. METHODS: Forty-six patients with paroxysmal AF and preserved left ventricular systolic function, and 38 age- and gender-matched control subjects, were involved in the study...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27916486/apixaban-in-patients-with%C3%A2-atrial%C3%A2-fibrillation%C3%A2-after-transfemoral-aortic-valve%C3%A2-replacement
#7
Julia Seeger, Birgid Gonska, Christoph Rodewald, Wolfgang Rottbauer, Jochen Wöhrle
OBJECTIVES: The aims of this study were to assess the impact of atrial fibrillation (AF) on outcome in transfemoral aortic valve replacement (TAVR) and to evaluate the safety and efficacy of apixaban compared with a vitamin K antagonist (VKA) in patients with AF after TAVR. BACKGROUND: Non-VKA oral anticoagulant agents have not been systematically used in patients with AF after TAVR. METHODS: Of the 617 patients enrolled, 55.9% (n = 345) were in sinus rhythm and 44...
December 1, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27915353/association-of-serum-omentin-1-concentrations-with-the-presence-of-atrial-fibrillation
#8
Sha Tao, Yu-Qing Huang, An-Ping Cai, Cheng Huang, Ying Zhang, Song-Tao Tang, Xue-Ju Yu, Dan Zhou, Ning Tan, Ying-Qing Feng
BACKGROUND Omentin-1 is one of the adipokines associated with obesity, diabetes, and coronary heart disease development. We determined to investigate whether serum omentin-1 concentrations were correlated with the presence of atrial fibrillation (AF). MATERIAL AND METHODS Serum omentin-1 concentrations were examined in a cross-sectional population that included 220 patients with AF (70 with paroxysmal AF, 78 with persistent AF, and 72 with permanent AF) and 115 healthy controls. RESULTS Reduced serum omentin-1 concentrations were found in AF patients compared to the controls...
December 4, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27915264/three-dimensional-rotational-angiography-of-the-left-atrium-and-the-oesophagus-the-short-term-mobility-of-the-oesophagus-and-the-stability-of-the-fused-three-dimensional-model-of-the-left-atrium-and-the-oesophagus-during-catheter-ablation-for-atrial-fibrillation
#9
Zdenek Starek, Frantisek Lehar, Jiri Jez, Martin Scurek, Jiri Wolf, Tomas Kulik, Alena Zbankova, Miroslav Novak
AIMS: The objective of this study was to evaluate the mobility of the oesophagus and the stability of the three-dimensional (3D) model of the oesophagus using 3D rotational angiography (3DRA) of the left atrium (LA) and the oesophagus, fused with live fluoroscopy during catheter ablation for atrial fibrillation. METHODS AND RESULTS: From March 2015 to September 2015, 3DRA of the LA and the oesophagus was performed in 33 patients before catheter ablation for atrial fibrillation...
December 2, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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/27914501/levosimendan-in-patients-with-left-ventricular-systolic-dysfunction-undergoing-cardiac-surgery-on-cardiopulmonary-bypass-rationale-and-study-design-of-the-levosimendan-in-patients-with-left-ventricular-systolic-dysfunction-undergoing-cardiac-surgery-requiring
#11
Rajendra H Mehta, Sean Van Diepen, James Meza, Paula Bokesch, Jeffrey D Leimberger, Sandra Tourt-Uhlig, Merri Swartz, Jodi Parrotta, Rachael Jankowich, Douglas Hay, Robert W Harrison, Stephen Fremes, Shaun G Goodman, John Luber, Wolfgang Toller, Matthias Heringlake, Kevin J Anstrom, Jerrold H Levy, Robert A Harrington, John H Alexander
BACKGROUND: Low cardiac output syndrome is associated with increased mortality and occurs in 3% to 14% of patients undergoing cardiac surgery on cardiopulmonary bypass (CPB). Levosimendan, a novel calcium sensitizer and KATP channel activator with inotropic, vasodilatory, and cardioprotective properties, has shown significant promise in reducing the incidence of low cardiac output syndrome and related adverse outcomes in patients undergoing cardiac surgery on CPB. METHODS: LEVO-CTS is a phase 3 randomized, controlled, multicenter study evaluating the efficacy, safety, and cost-effectiveness of levosimendan in reducing morbidity and mortality in high-risk patients with reduced left ventricular ejection fraction (≤35%) undergoing cardiac surgery on CPB...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27909544/reducing-the-risk-of-stroke-in-patients-with-nonvalvular-atrial-fibrillation-with-direct-oral-anticoagulants-is-one-of-these-not-like-the-others
#12
REVIEW
Paul P Dobesh Pharm D, John Fanikos Mba R Ph
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia and increases risk of stroke by nearly 5-fold. While warfarin has been employed successfully to reduce the risk of stroke in these patients, there are a number of challenges with therapy. These include the need for therapeutic monitoring due to variability in patient response, frequent dose adjustments, numerous drug-drug, drug-food, and drug-disease interactions, and a heightened risk of thrombosis and bleeding due to these issues. Current guidelines recommend that the vitamin K antagonists (VKA) or direct oral anticoagulants (DOACs) should be used for thromboprophylaxis in patients with nonvalvular AF at risk for stroke or systemic embolic events...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909538/pulmonary-vein-remodeling-following-atrial-fibrillation-ablation-implications-for-the-radiographic-diagnosis-of-pulmonary-vein-stenosis
#13
Faisal M Merchant Md, Mathew R Levy Bs, Shahriar Iravanian Md, Ramal M Weragoda Md, Edward C Clermont Md, Heval M Kelli Md, Robert L Eisner PhD, David Vadnais Md, Mikhael F El-Chami Md, Angel R Leon Md, David B Delurgio Md
Background: Pulmonary vein (PV) reverse remodeling has been recognized following atrial fibrillation (AF) ablation. However, the extent of physiologic reverse remodeling after AF ablation and the potential impact of reverse remodeling on the radiographic diagnosis of PV stenosis have not been well characterized. Methods: From January 2004 to February 2014, 186 patients underwent paired cardiac magnetic resonance imaging (MRI) to delineate PV orifice dimensions before and after (mean 109 ± 61 days) an initial AF ablation...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909529/emergency-department-readmission-in-elderly-patients-after-acute-rhythm-or-rate-control-treatment-for-atrial-fibrillation
#14
Bonora Antonio, Turcato Gianni, Franchi Elena, Dilda Alice, Taioli Gabriele, Serafini Valentina, Sivero Valentina, Zannoni Massimo, Ricci Giorgio, Olivieri Oliviero
Atrial fibrillation (AF) is an age-related increasing disease, characterized by a high number of relapses frequently leading the patients to Emergency Department (ED). Despite AF relapses may be clinically heterogeneous, a proper management requires either a fast and effective restore of the sinus rhythm or a satisfactory control of the ventricular rate. Whether the strategy adopted in the ED could affect the course of disease is still debated. Therefore, the aim of our study was to evaluate the number of ED readmission for AF related symptoms and the event-free period in patients older than 70 years previously treated in ED for an AF recurrence, in order to assess a possible relationship with the acute strategy...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909526/achieving-bidirectional-long-delays-in-pulmonary-vein-antral-lines-prior-to-bidirectional-block-in-patients-with-paroxysmal-atrial-fibrillation-the-bi-bi-technique-for-atrial-fibrillation-ablation
#15
Adel F Mina Md Facc Fhrs, Nicholas L Warnecke Pa-C
Background: Pulmonary Vein Antral isolation (PVAI) is currently the standard of care for both paroxysmal and persistent atrial fibrillation ablation. Reconnection to the pulmonary vein is the most common cause of recurrence of atrial fibrillation. Achieving the endpoint of bidirectional block (BDB) for cavotricuspid isthmus dependant flutter has improved our outcomes for atrial flutter ablation. With this we tried to achieve long delays in the pulmonary veins antral lines prior to complete isolation comparable to those delays found in patient with bidirectional block of atrial flutter lines...
August 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909522/safety-and-necessity-of-thermal-esophageal-probes-during-radiofrequency-ablation-for-the-treatment-of-atrial-fibrillation
#16
Antonio Fasano, Prof Emeritus, Luca Anfuso Md, Stefano Bozzi Md, Claudio Pandozi Prof
BACKGROUND: Radiofrequency ablation is extensively used to achieve pulmonary veins isolation for the cure of atrial fibrillation. Luminal esophageal temperature can be monitored by means of suitable probes to prevent the onset of lesions. OBJECTIVE: To compute the thermal field generated by the ablation, to investigate the interaction between the electromagnetic field and the probe sensors, and to provide a safe interpretation of the temperature detected by the probe, supported by clinical data...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909516/the-role-of-noacs-in-atrial-fibrillation-management-a-qualitative-study
#17
Katherine Kirley Md Ms, Goutham Rao Md, Victoria Bauer Bs, Christopher Masi Md PhD
Patients with atrial fibrillation (AF) benefit from anticoagulation to reduce stroke risk. However, 30-60% of patients with AF are not anticoagulated. This study explored physicians' reasons for under-treatment of AF, focusing on the role of the novel oral anticoagulants (NOACs). We interviewed primary care physicians and cardiologists involved in AF management in a variety of practice settings. We conducted interviews using a semi-structured format and analyzed the data using the Framework Method. Four themes emerged...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909501/-two-for-the-price-of-one-a-single-lead-implantable-cardioverter-defibrillator-system-with-a-floating-atrial-dipole
#18
REVIEW
Nicole E Worden Md, Musab Alqasrawi Md, Siva M Krothapalli Md, Alexander Mazur Md
In patients known to be a high risk for sudden cardiac arrest, implantable cardioverter defibrillators (ICD) are a proven therapy to reduce risk of death. However, in patients without conventional indications for pacing, the optimal strategy for type of device, dual- versus single-chamber, remains debatable. The benefit of prophylactic pacing in this category of patients has never been documented. Although available atrial electrograms in a dual chamber system improve interpretation of stored arrhythmia events, allow monitoring of atrial fibrillation and may potentially reduce the risk of inappropriate shocks by enhancing automated arrhythmia discrimination, the use of dual-chamber ICDs has a number of disadvantages...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909496/safety-and-efficacy-of-uninterrupted-periprocedural-apixaban-in-patients-undergoing-atrial-fibrillation-catheter-ablation-a-metaanalysis-of-1-057-patients
#19
REVIEW
Jalaj Garg Md Fesc, Rahul Chaudhary Md, Parasuram Krishnamoorthy Md, Neeraj Shah Md, Babak Bozorgnia Md, Andrea Natale Md
Apixaban (factor Xa inhibitor) is a novel anticoagulant and may be beneficial during atrial fibrillation (AF) ablation for prevention of thromboembolic events. However, the adverse effects of periprocedural apixaban therapy have not been thoroughly evaluated. A meta-analysis was performed to evaluate the safety of apixaban for anticoagulation in AF ablation. We searched the online databases till October 2015 for studies comparing Apixaban with Vitamin K antagonists in atrial fibrillation patients undergoing catheter ablation...
April 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27909492/a-comparison-between-dabigatran-and-warfarin-on-time-to-elective-cardioversion
#20
Amanda N Basto PharmD, Nathan P Fewel PharmD, Rajiv Gupta Md, Eileen M Stock PhD, Mia Ta PharmD
OBJECTIVE: To evaluate the use of dabigatran versus warfarin on time to elective direct current cardioversion (DCCV). METHODOLOGY: This retrospective observational study was conducted at a single Veterans Affairs hospital in the Southwestern region of the U.S. Patients with atrial fibrillation or atrial flutter who were initiated on either warfarin or dabigatran prior to DCCV were reviewed. The time to cardioversion was compared between warfarin and dabigatran, as well as costs of therapy, rescheduling rates, and adverse events...
April 2016: Journal of Atrial Fibrillation
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