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https://www.readbyqxmd.com/read/28806148/atrial-fibrillation-ablation
#1
Rakesh Latchamsetty, Fred Morady
The prevalence of atrial fibrillation (AF) has risen significantly over the past two decades. Catheter ablation is an increasingly utilized treatment strategy and has evolved significantly over the same time period. Successful ablation improves patient symptoms, reduces stroke risk, and can preserve or improve cardiac function. Recurrences following ablation can occur, particularly in patients with persistent AF. Procedural efficacy can best be improved through continued advancements in ablation technology and strategy, better understanding of the mechanisms of AF initiation and perpetuation, and rigorous integration of ablation into a multidisciplinary AF management approach...
August 14, 2017: Annual Review of Medicine
https://www.readbyqxmd.com/read/28804874/high-frequency-jet-ventilation-for-motion-management-during-ablation-procedures-a-narrative-review
#2
REVIEW
K Galmén, P Harbut, J Freedman, J G Jakobsson
BACKGROUND: High frequency jet ventilation (HFJV) is a method of ventilation that has gained renewed interest over the recent years as it can reduce organ movement to near static conditions, thus enhancing surgical precision in minimal invasive procedures, for example, ablation procedures for atrial fibrillation and solid organ tumours. The aim of this review was to create a summary of the current evidence concerning the clinical use of HFJV for ablative procedures. METHOD: PubMed was searched for the key words high frequency ventilation and ablation January 1990-December 2016...
August 13, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28800192/efficacy-and-safety-of-driver-guided-catheter-ablation-for-atrial-fibrillation-a-systematic-review-and-meta-analysis
#3
F Daniel Ramirez, David H Birnie, Girish M Nair, Agnieszka Szczotka, Calum J Redpath, Mouhannad M Sadek, Pablo B Nery
INTRODUCTION: Targeting localized drivers (electrical rotors or focal impulses) during catheter ablation for atrial fibrillation (AF) has been proposed as a strategy to improve procedural success. However, the strength and quality of the evidence to support this approach is unclear. METHODS AND RESULTS: Clinical studies reporting efficacy or safety outcomes of driver-guided ablation for AF were identified in Medline, Embase, the Cochrane Central Register of Controlled Trials, the Cochrane Database of Systematic Reviews, Pubmed, and conference abstracts from major scientific meetings...
August 11, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28800179/short-term-outcomes-of-atrial-flutter-ablation
#4
Byomesh Tripathi, Shilpkumar Arora, Abhishek Mishra, Vishwa Reddy Kundoor, Sopan Lahewala, Varun Kumar, Mahek Shah, Dhairya Lakhani, Harshil Shah, Nilay V Patel, Nileshkumar J Patel, Mihir Dave, Abhishek Deshmukh, Sattur Sudhakar, Radha Gopalan
BACKGROUND: Understanding the factors associated with early readmissions following atrial flutter (AFL) ablation is critical to reduce the cost and improving the quality of life in AFL patients. METHOD: The study cohort was derived from the National readmission database 2013-14. International Classification of Diseases, 9th Revision (ICD-9-CM) diagnosis code 427.32 and procedure code 37.34 were used to identify AFL and catheter ablation respectively. The primary and secondary outcomes were 90-day readmission and complications including in-hospital mortality...
August 11, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28800176/catheter-ablation-of-left-atrial-arrhythmias-on-uninterrupted-oral-anticoagulation-with-vitamin-k-antagonists-how-is-the-relationship-between-international-normalized-ratio-activated-clotting-time-and-procedure-related-complications
#5
Marc Kottmaier, Felix Bourier, Verena Semmler, Martha Telishevska, Katharina Koch-Büttner, Carsten Lennerz, Sarah Lengauer, Marielouise Kornmayer, Elena Rousseva, Stephanie Brooks, Amir Brkic, Christian Grebmer, Christoph Kolb, Gabriele Hessling, Isabel Deisenhofer, Tilko Reents
BACKGROUND: Ablation of atrial fibrillation (AF) on uninterrupted phenprocoumon reduces periprocedural thromboembolic and bleeding complications. Heparin is administered intraprocedurally to achieve activated clotting times (ACT) of 300-400 seconds. We investigated the effect of international normalized ratio (INR) on ACT and intraprocedural heparin requirements. Moreover, safety of a target ACT of 250-300 seconds was investigated. METHODS AND RESULTS: We studied 949 patients referred for AF or left atrial tachycardia ablation...
August 11, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28800169/global-multi-electrode-contact-mapping-plus-ablation-with-a-single-catheter-preclinical-and-preliminary-experience-in-humans-with-atrial-fibrillation
#6
Hans Kottkamp, Fabian Moser, Andreas Rieger, Doreen Schreiber, Christian Pönisch, Monica Trofin
INTRODUCTION: One question for the technological advancement of catheter ablation of atrial fibrillation (AF) is whether a creative new concept can combine and even improve the diagnostic mapping options of single-tip and basket catheters with the simplicity of the use of balloon catheters for ablation. Herein, we describe the first in-human experience with a single catheter offering such a complete solution. METHODS AND RESULTS: A new catheter (Globe®) with a distal multi-electrode array consisting of 16 ribs with 122 gold-plated electrodes was used...
August 11, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28798021/progression-from-esophageal-thermal-asymptomatic-lesion-to-perforation-complicating-atrial-fibrillation-ablation-a-single-center-registry
#7
Philipp Halbfass, Borche Pavlov, Patrick Müller, Karin Nentwich, Kai Sonne, Sebastian Barth, Karsten Hamm, Franziska Fochler, Andreas Mügge, Ulrich Lüsebrink, Rainer Kuhn, Thomas Deneke
BACKGROUND: Up to 40% of patients demonstrate endoscopically detected asymptomatic esophageal lesions (EDEL) after atrial fibrillation ablation. METHODS AND RESULTS: Patients undergoing first atrial fibrillation ablation and postinterventional esophageal endoscopy were included in the study. Occurrence of esophageal perforating complications during follow-up was related to documented EDEL (category 1: erythema/erosion; category 2: ulcer). In total, 1802 patients underwent first atrial fibrillation ablation procedure between January 2013 and August 2016 at our institution...
August 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28797718/atrial-arrhythmias-after-lung-transplantation
#8
REVIEW
Henri Roukoz, David G Benditt
Atrial arrhythmias are a common complication after lung transplant (LT), occurring in about 16-46% of LT patients early postoperatively, and in about 14% during longer-term follow-up. They have a significant impact on postoperative in-hospital length of stay and may have an impact on overall mortality. In this report, we review the incidence and risk factors of post lung transplant AA, their pathogenesis and their impact on short- and long-term outcomes. Pharmacological management options are reviewed. In brief, early atrial arrhythmias tend to be mostly atrial fibrillation and are treated acutely with a rate control strategy followed if needed by rhythm control for 4-6 weeks...
August 1, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28797677/emergence-of-atrioventricular-nodal-reentry-tachycardia-after-surgical-or-catheter-ablation-for-atrial-fibrillation-are-we-creating-the-arrhythmia-substrate
#9
Jorge Romero, Saurabh Kumar, Fujii Akira, David F Briceño, Usha B Tedrow, Laurence Epstein, Roy John, William G Stevenson, Gregory F Michaud
BACKGROUND: Atrioventricular nodal reentry tachycardia (AVNRT) is common in adults and often involves reentry through two or more AV nodal-atrial connections. Although AVNRT can be a trigger for atrial fibrillation (AF), we have observed new onset AVNRT after AF ablation procedures. OBJECTIVE: To determine whether ablation involving the septum or proximal coronary sinus during AF ablation may create a substrate favorable for AVNRT METHODS: Cases of ablation for persistent AF who required a repeat ablation procedure between 2009 to 2016 were reviewed for diagnosis of AVNRT...
August 7, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28795289/beyond-pulmonary-vein-isolation-the-role-of-additional-sites-in-catheter-ablation-of-atrial-fibrillation
#10
REVIEW
Li-Wei Lo, Yenn-Jiang Lin, Shih-Lin Chang, Yu-Feng Hu, Fa-Po Chung, Shih-Ann Chen
PURPOSE OF REVIEW: Pulmonary vein (PV) isolation is the cornerstone of atrial fibrillation (AF) ablation. However, the long-term procedural outcome remains suboptimal and there is a frequent need for repeat ablation procedure, especially in patients with non-paroxysmal AF. The review article summarizes the rationales, recent evidences, and strategies of ablation of extra-PV sites and its clinical outcomes. RECENT FINDINGS: It is a consensus that durable PV isolations are a definite therapy in patients with paroxysmal AF...
August 9, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28793059/comparative-efficacy-and-safety-of-contact-force-sensing-catheter-and-second-generation-cryoballoon-ablation-for-atrial-fibrillation-a-meta-analysis
#11
X Zhou, W Lv, W Zhang, Y Ye, Y Li, Q Zhou, J Zhang, Q Xing, Y Lu, L Zhang, H Wang, W Qin, B Tang
This meta-analysis compared the efficacy and safety of the contact force (CF)-sensing catheter and second-generation cryoballoon (CB) ablation for treating atrial fibrillation (AF). Six controlled clinical trials comparing ablation for AF using a CF-sensing catheter or second-generation CB were identified from PubMed, EMBASE, Cochrane Library, Wanfang Data, and China National Knowledge Infrastructure. The procedure duration was significantly lower in the CB group compared with that in the CF group [mean difference (MD)=29...
August 7, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28790169/disease-understanding-in-patients-newly-diagnosed-with-atrial-fibrillation
#12
Brystana G Kaufman, Sunghee Kim, Karen Pieper, Larry A Allen, Bernard J Gersh, Gerald V Naccarelli, Michael D Ezekowitz, Gregg C Fonarow, Kenneth W Mahaffey, Daniel E Singer, Paul S Chan, James V Freeman, Jack Ansell, Peter R Kowey, James A Rieffel, Jonathan Piccini, Eric Peterson, Emily C O'Brien
OBJECTIVE: To describe self-reported disease understanding for newly diagnosed patients with atrial fibrillation (AF) and assess (1) how disease understanding changes over the first 6 months after diagnosis and (2) the relationship between patient understanding of therapies at baseline and treatment receipt at 6 months among treatment-naïve patients. METHODS: We analysed survey data from SATELLITE (Survey of Patient Knowledge and Personal Priorities for Treatment), a substudy of patients with new-onset AF enrolled in the national Outcomes Registry for Better Informed Treatment of Atrial Fibrillation (ORBIT) II registry across 56 US sites...
August 8, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28790104/first-in-man-analysis-of-the-relationship-between-electrical-rotors-from-noninvasive-panoramic-mapping-and-atrial-fibrosis-from-magnetic-resonance-imaging-in-patients-with-persistent-atrial-fibrillation
#13
Christian Sohns, Christine Lemes, Andreas Metzner, Thomas Fink, Mikhail Chmelevsky, Tilman Maurer, Margarita Budanova, Vladislav Solntsev, Walther H W Schulze, Wieland Staab, Shibu Mathew, Christian Heeger, Bruno Reißmann, Eugene Kholmovski, Dietmar Kivelitz, Feifan Ouyang, Karl-Heinz Kuck
BACKGROUND: Late gadolinium enhancement (LGE) cardiovascular magnetic resonance (CMR) imaging can be used to evaluate characteristics of atrial fibrosis. The novel noninvasive epicardial and endocardial electrophysiology system (NEEES) allows for the identification of sources with rotor activity. This study describes a new technique to examine the relationship between rotors and LGE signal intensity in patients with persistent atrial fibrillation (PERS) scheduled for ablation. METHODS AND RESULTS: Ten consecutive patients underwent pulmonary vein isolation for persistent atrial fibrillation...
August 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28781863/cryoballoon-ablation-with-left-lateral-decubitus-position-in-atrial-fibrillation-patient-where-the-left-atrium-was-compressed-by-the-vertebra
#14
Yosuke Nakatani, Yoshiaki Yamaguchi, Tamotsu Sakamoto, Koichiro Kinugawa
Catheter ablation of atrial fibrillation is difficult when the left atrium is compressed by the vertebra. The heart may shift forward, and compression of the left atrium may be relieved in the left lateral decubitus position. Therefore, catheter ablation could be performed in the left lateral decubitus position even in such cases.
August 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28781835/aberrant-coronary-artery-spasms-cause-st-t-segment-depression-during-endovascular-ablation-of-atrial-flutter
#15
Eva A H Lanters, Adriaan Coenen, Marisa M Lubbers, Koen Nieman, Natasja M S de Groot
ST-T segment depression during right-sided endovascular catheter ablation is not only caused by obstructive coronary artery disease or (induced) tachycardia. Clinicians should also consider coronary artery spasms evoked by manipulation of nearby catheters, especially in patients with abnormal coronary artery anatomy.
August 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28776538/atrial-fibrillation-ablation-indications-outcomes-complications-and-future-directions
#16
EDITORIAL
Xue-Yuan Guo, Chang-Sheng Ma
No abstract text is available yet for this article.
August 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28774383/atrial-cardiomyopathy-a-useful-notion-in-cardiac-disease-management-or-a-passing-fad
#17
REVIEW
Jean-Baptiste Guichard, Stanley Nattel
The term atrial cardiomyopathy, which has been used sporadically in the medical literature, was recently the subject of a detailed Consensus Document prepared by representatives of the European Heart Rhythm Association, Heart Rhythm Society, Asia-Pacific Heart Rhythm Society, and Sociedad Latinoamericana de Estimulación Cardiaca y Electrofisiología. They discussed aspects of the definition, histopathology, atrial-specific physiology, atrial pathology, impact on arrhythmia occurrence, imaging, mapping, and ablation...
August 8, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28774344/late-outcome-of-surgical-radiofrequency-ablation-for-persistent-valvular-atrial-fibrillation-in-china-a-single-center-study
#18
Hailong Cao, Yunxing Xue, Qing Zhou, Minggang Yu, Chenbin Tang, Dongjin Wang
BACKGROUND: Atrial fibrillation (AF) adversely affects surgical outcomes of cardiac valve surgery. Surgical ablation is an effective way to treat valvular AF. The aim of this study was to evaluate the late outcome of surgical radiofrequency ablation and explore the risk factors of AF recurrence in Chinese patients undergoing cardiac valve surgery. METHODS: Three hundred ninety six consecutive patients with persistent valvular AF were enrolled in this study. They underwent concomitant modified Maze IV and were completed follow-ups...
August 3, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28769816/signal-reconstruction-of-pulmonary-vein-recordings-using-a-phenomenological-mathematical-model-application-to-pulmonary-vein-isolation-therapy
#19
Harry D Green, Glyn Thomas, John R Terry
Atrial fibrillation (AF), the most prevalent cardiac arrhythmia, is commonly initiated by ectopic beats originating from a small myocardial sleeve extending over the pulmonary veins. Pulmonary vein isolation therapy attempts to isolate the pulmonary veins from the left atrium by ablating tissue, commonly by using radiofrequency ablation. During this procedure, the cardiologist records electrical activity using a lasso catheter, and the activation pattern recorded is used as a guide toward which regions to ablate...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28768468/predictive-value-of-exercise-induced-atrial-natriuretic-peptide-secretion-for-the-presence-of-left-atrial-low-voltage-areas-in-patients-with-persistent-atrial-fibrillation
#20
Ran Yin, Zhongming Yang, Jingtian Peng, Bingong Li, Yongnan Fu, Zheqi Zheng
Objectives Left atrial (LA) low-voltage areas (LVAs) are a strong predictor of atrial fibrillation (AF) recurrence after pulmonary vein isolation (PVI). However, a non-invasive method for evaluating LA-LAVs has not been established yet. The objective of our study was to assess the predictive value of the plasma atrial natriuretic peptide (ANP) level for the presence of LA-LVAs in patients with persistent AF (PeAF). Methods Seventy-two PeAF patients underwent an exercise stress test preprocedurally. LA voltage maps were created after PVI...
August 2017: Acta Cardiologica
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