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atrial fibrillations

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https://www.readbyqxmd.com/read/28551945/targeting-ablation-strategies-and-electro-anatomical-systems-for-different-atrial-fibrillation-patterns
#1
Francesco Santoro, Christian H Heeger, Andreas Metzner, Natale D Brunetti, Matteo DI Biase, Karl-Heinz Kuck, Feifan Ouyang
INTRODUCTION: Catheter ablation (CA) is an established and widespread treatment option for drug refractory atrial fibrillation (AF). CA has undergone considerable improvements during the last years and several ablation strategies have been proposed for different AF patterns. EVIDENCE ACQUISITION: The main cornerstone is the electrical isolation of pulmonary veins (PVs) especially among patients with paroxysmal AF. This can be achieved mainly with the use of radiofrequency or cryo-energy...
May 25, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28551087/predictors-of-digoxin-use-and-risk-of-mortality-in-ed-patients-with-atrial-fibrillation-results-from-the-chinese-af-registry
#2
Shuang Wu, Yan-Min Yang, Jun Zhu, Jia-Meng Ren, Juan Wang, Han Zhang, Xing-Hui Shao
OBJECTIVES: The aim of this study was to evaluate factors of digoxin use and its relation to mortality in ED patients with atrial fibrillation (AF). METHODS: The Chinese AF registry enrolled 2016 AF patients from 20 representative EDs, and the period of study was one year. Predictors of digoxin use and its relation to mortality were assessed by logistic and Cox regression analyses. RESULTS: Digoxin was assigned in 609 patients (30.6%), and younger age, lower body mass index values, and existence of permanent AF, heart failure (HF), chronic obstructive pulmonary disease, and valvular heart disease were identified to be factors associated with digoxin use...
April 27, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28551045/methylene-blue-for-vasoplegic-syndrome-after-cardiac-operation-early-administration-improves-survival
#3
J Hunter Mehaffey, Lily E Johnston, Robert B Hawkins, Eric J Charles, Leora Yarboro, John A Kern, Gorav Ailawadi, Irving L Kron, Ravi K Ghanta
BACKGROUND: Vasoplegic syndrome, defined by hypotension despite normal or increased cardiac output, is associated with high mortality rate after cardiopulmonary bypass. Methylene blue (MB) is reported to ameliorate vasoplegic syndrome through the nitric oxide pathway. We hypothesized that early administration of MB would improve outcomes in patients with vasoplegic syndrome after cardiopulmonary bypass. METHODS: All patients that underwent cardiopulmonary bypass at our institution (Jan 1, 2011 to Jun 30, 2016) were identified through our Society of Thoracic Surgery database...
May 24, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28550978/left-ventricular-longitudinal-strain-impairment-predicts-cardiovascular-events-in-asymptomatic-type-1-myotonic-dystrophy
#4
Rodrigue Garcia, Michaela Rehman, Cyril Goujeau, Bruno Degand, François Le Gal, Benjamin Stordeur, Quentin Labarre, Luc Christiaens, Claire Bouleti
BACKGROUND: Type 1 myotonic dystrophy (DM1) patients' prognosis is very poor. Up until now, only a few prognostic factors for cardiovascular events have been identified, and they are predictive of end-stage disease. The aim was to assess the prognostic value of global longitudinal strain (GLS) for cardiovascular events in asymptomatic DM1 patients. METHODS: DM1 patients were included between 2011 and 2015 and followed up until January 2016. Patients underwent a transthoracic echocardiography at inclusion...
May 19, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28550068/age-specific-trends-of-atrial-fibrillation-related-ischaemic-stroke-and-transient-ischaemic-attack-anticoagulant-use-and-risk-factor-profile-in-chinese-population-a-15-year-study
#5
Yannie Soo, Nathan Chan, Kam Tat Leung, Xiang-Yan Chen, Vincent Mok, Lawrence Wong, Thomas Leung
BACKGROUND: Prevalence of atrial fibrillation (AF) is increasing globally, and the fivefold increase in stroke risk constitutes significant healthcare burden. AIMS: We aim to evaluate the trends of AF-related stroke and transient ischaemic attack (AF-stroke/TIA), prior anticoagulant use and their risk factors in different age groups in Chinese population. METHODS: Data were retrieved from the stroke registry at Prince of Wales Hospital. We compared the data at 5-year intervals over a 15-year period (years 1999, 2004, 2009 and 2014)...
May 26, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28549997/deep-sequencing-of-atrial-fibrillation-patients-with-mitral-valve-regurgitation-shows-no-evidence-of-mosaicism-but-reveals-novel-rare-germline-variants
#6
Emilie Gregers, Gustav Ahlberg, Thea Christensen, Javad Jabbari, Kirstine O Larsen, Cecilie B Herfelt, Kristoffer M Henningsen, Laura Andreasen, Jens J Thiis, Jens Lund, Susanne Holme, Stig Haunsø, Bo H Bentzen, Nicole Schmitt, Jesper H Svendsen, Morten S Olesen
BACKGROUND: Atrial fibrillation (AF) is the most common cardiac arrhythmia. Valvular heart disease is a strong predictor, yet the underlying molecular mechanisms are unknown. OBJECTIVE: We sought to investigate the prevalence of somatic variants in AF candidate genes in an AF patient population undergoing surgery for mitral valve regurgitation (MVR) to determine whether these patients are genetically predisposed to AF. METHODS: DNA was extracted from blood and left atrial tissue from 44 AF patients with MVR...
May 23, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28549819/rivaroxaban-for-stroke-prevention-in-patients-with-nonvalvular-atrial-fibrillation-and-active-cancer
#7
Eva S Laube, Anthony Yu, Dipti Gupta, Yimei Miao, Patrick Samedy, Jonathan Wills, Stephen Harnicar, Gerald A Soff, Simon Mantha
Rivaroxaban is broadly used for the primary prevention of stroke and systemic embolism in the general population with nonvalvular atrial fibrillation (AF). However, there is little published evidence on the safety and efficacy of rivaroxaban for AF in patients with active cancer. The aim of this study was to assess the safety and efficacy of rivaroxaban in patients with active cancer and AF. The use of rivaroxaban in patients with cancer at the Memorial Sloan Kettering Cancer Center is monitored in the setting of a Quality Assessment Initiative...
April 27, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28549775/atrial-fibrillation-readmissions-and-comorbidity
#8
EDITORIAL
A Conde-Martel, M E Arkuch
No abstract text is available yet for this article.
May 23, 2017: Revista Clínica Española
https://www.readbyqxmd.com/read/28549463/factors-associated-with-length-of-stay-following-trans-catheter-aortic-valve-replacement-a-multicenter-study
#9
Yaron Arbel, Nevena Zivkovic, Dhruven Mehta, Sam Radhakrishnan, Stephen E Fremes, Effat Rezaei, Asim N Cheema, Sami Al-Nasser, Ariel Finkelstein, Harindra C Wijeysundera
BACKGROUND: Most patients undergoing Transcatheter aortic valve implantation (TAVR) are elderly with significant co-morbidities and there is limited information available regarding factors that influence length of stay (LOS) post-procedure. The aim of this study was to identify the patient, and procedural factors that affect post-TAVR LOS using a contemporary multinational registry. METHODS: We conducted a retrospective cohort study, with patients recruited from three high volume tertiary institutions...
May 26, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28549416/management-of-intra-operative-acute-pulmonary-embolism-during-general-anesthesia-a-case-report
#10
Yuanyuan Mao, Shuai Wen, Gezi Chen, Wei Zhang, Yanqiu Ai, Jingjing Yuan
BACKGROUND: Acute pulmonary embolism (APE) can be life-threatening. Early detection is even more difficult for patients under general anesthesia as common symptoms are not available and the pathophysiological course of intra-operative APE is influenced by procedures of surgery and anesthesia, which makes patients under general anesthesia a distinctive group. CASE PRESENTATION: We report a case of APE during orthopedic surgery under general anesthesia. A 64-year-old female with atrial fibrillation and surgical history of varicosity underwent total right hip replacement surgery under general anesthesia...
May 26, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28549106/do-we-save-lives-with-atrial-fibrillation-surgery
#11
Samer A M Nashef
No abstract text is available yet for this article.
May 26, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28549027/a-minimally-invasive-stand-alone-cox-maze-procedure-is-as-effective-as-median-sternotomy-approach
#12
Matthew R Schill, Laurie A Sinn, Jason W Greenberg, Matthew C Henn, Timothy S Lancaster, Richard B Schuessler, Hersh S Maniar, Ralph J Damiano
OBJECTIVE: The Cox-Maze IV procedure has been shown to be an effective treatment for atrial fibrillation when performed concomitantly with other operations either via median sternotomy or right minithoracotomy. Few studies have compared these approaches in patients with lone atrial fibrillation. This study examined outcomes with sternotomy versus minithoracotomy in stand-alone Cox-Maze IV procedures at our institution. METHODS: Between 2002 and 2015, 195 patients underwent stand-alone biatrial Cox-Maze IV...
May 25, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28548234/catheter-ablation-of-atrial-flutter-a-survey-focusing-on-post-ablation-oral-anticoagulation-management-and-ecg-monitoring
#13
Philipp Attanasio, Tabea Budde, Philipp Lacour, Abdul Shokor Parwani, Burkert Pieske, Florian Blaschke, Wilhelm Haverkamp, Leif-Hendrik Boldt, Martin Huemer
BACKGROUND: A considerable amount of patients with typical atrial flutter develops atrial fibrillation after CTI ablation. No uniform recommendations are available to guide anticoagulation regimes or ECG monitoring strategies after this procedure. METHODS: We conducted a web-based survey in electrophysiology (EP) centers in Germany, Switzerland and Austria. Responses were received from 47 centers. The survey was designed to investigate variations in management of the following: Ablation strategy, oral anticoagulation (OAC) management and ECG monitoring after successful cavotricuspid isthmus (CTI) ablation...
May 26, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28548218/gene-therapy-for-atrial-fibrillation-in-heart-failure
#14
R Arora
Atrial fibrillation (AF) is the most common arrhythmia and a major cause of morbidity and mortality in an aging population. Unfortunately, current treatments for AF are suboptimal, in large part because the molecular mechanisms underlying AF are not well understood. Recent advances in our understanding of the AF disease state have led to the preclinical development of gene-based therapies that are targeted to key molecular mechanisms involved in the genesis and maintenance of AF.
May 26, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28547036/circulating-microrna-1a-is-a-biomarker-of-graves-disease-patients-with-atrial-fibrillation
#15
Fang Wang, Sheng-Jie Zhang, Xuan Yao, Dong-Mei Tian, Ke-Qin Zhang, Dun-Min She, Fei-Fan Guo, Qi-Wei Zhai, Hao Ying, Ying Xue
PURPOSE: It has been increasingly suggested that specific microRNAs expression profiles in the circulation and atrial tissue are associated with the susceptibility to atrial fibrillation. Nonetheless, the role of circulating microRNAs in Graves' disease patients with atrial fibrillation has not yet been well described. The objective of the study was to identify the role of circulating microRNAs as specific biomarkers for the diagnosis of Graves' disease with atrial fibrillation. METHODS: The expression profiles of eight serum microRNAs, which are found to be critical in the pathogenesis of atrial fibrillation, were determined in patients with Graves' disease with or without atrial fibrillation...
May 25, 2017: Endocrine
https://www.readbyqxmd.com/read/28546529/the-safety-of-electrical-cardioversion-under-the-control-of-transesophageal-echocardiography-in-patients-with-atrial-fibrillation-and-inadequate-anticoagulation
#16
Joanna Zaprutko, Artur Baszko, Michał Michalak, Karol Kochman, Radosław Szymański, Jan Kłopocki, Anna Nowicka, Rafał Dankowski, Marek Michalski, Piotr Kałmucki, Andrzej Szyszka
INTRODUCTION    Restoring sinus rhythm in patients with atrial fibrillation (AF)/atrial flutter (AF) requires adequate oral anticoagulation (OAC) prior to direct current cardioversion (DCC). Some patients eligible for DCC are not properly anticoagulated. OBJECTIVES    Assessment of risk factors for thrombus and spontaneous echo contrast (SEC) in the left atrium (LA) as well as the safety profile of DCC under transesophageal echocardiography control (TEE) in patients with inadequate anticoagulation. PATIENTS AND METHODS    From the cohort of 316 patients admitted for DCC, 139 (age 63...
May 25, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28546325/reciprocal-interaction-of-24-hour-blood-pressure-variability-and-systolic-blood-pressure-on-outcome-in-stroke-thrombolysis
#17
Lars Kellert, Christian Hametner, Niaz Ahmed, Geraldine Rauch, Mary J MacLeod, Francesco Perini, Kennedy R Lees, Peter A Ringleb
BACKGROUND AND PURPOSE: Significance and management of blood pressure (BP) changes in acute stroke care are unclear. Here, we aimed to investigate the impact of 24-hour BP variability (BPV) on outcome in patients with acute ischemic stroke treated with intravenous thrombolysis. METHODS: From the Safe Implementation of Treatment in Stroke International Stroke Thrombolysis registry, 28 976 patients with documented pre-treatment systolic BP at 2 and 24 hours were analyzed...
May 25, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28546098/altered-long-non-coding-rna-expression-profile-in-rabbit-atria-with-atrial-fibrillation-tcons_00075467-modulates-atrial-electrical-remodeling-by-sponging-mir-328-to-regulate-cacna1c
#18
Zhan Li, Ximin Wang, Weizong Wang, Juanjuan Du, Jinqiu Wei, Yong Zhang, Jiangrong Wang, Yinglong Hou
Electrical remodeling has been reported to play a major role in the initiation and maintenance of atrial fibrillation (AF). Long non-coding RNAs (lncRNAs) have been increasingly recognized as contributors to the pathology of heart diseases. However, the roles and mechanisms of lncRNAs in electrical remodeling during AF remain unknown. In this study, the lncRNA expression profiles of right atria were investigated in AF and non-AF rabbit models by using RNA sequencing technique and validated using quantitative real-time polymerase chain reaction (qRT-PCR)...
May 22, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28546043/mynx-vascular-closure-device-in-arterial-endovascular-procedures
#19
Michael C Scott, Horace J Spencer, Ahsan T Ali, Mohammed M Moursi, Guillermo A Escobar, Lewis C Lyons, Matthew R Smeds
OBJECTIVE: Vascular closure devices have been used to achieve hemostasis of percutaneous access sites following endovascular procedures, with reported decreased time for arterial control as well as decreased time to ambulation. We sought to determine rates and risk factors of postoperative bleeding complications and failures using these devices from a single institution experienced in the use of vascular closure devices. METHODS: All patients undergoing arterial endovascular procedures with percutaneous access between March 2010 and October 2015 at a single institution were identified and analyzed (n=894)...
May 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28546006/atrial-myofibroblast-activation-and-connective-tissue-formation-in-a-porcine-model-of-atrial-fibrillation-and-reduced-left-ventricular-function
#20
Patrick Lugenbiel, Fabian Wenz, Katharina Govorov, Pascal Syren, Hugo A Katus, Dierk Thomas
AIMS: Atrial fibrillation (AF) is associated with fibrosis that slows electrical conduction and causes perpetuation of the arrhythmia. The molecular characterization of AF pathophysiology may provide novel therapeutic options. This study was designed to elucidate profibrotic signaling and myofibroblast activation in a porcine model of atrial tachypacing-induced AF and reduced left ventricular function. MATERIALS AND METHODS: Ten domestic pigs were randomized to sinus rhythm (SR) or AF groups...
May 22, 2017: Life Sciences
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