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cryoablation atrial fibrillation

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https://www.readbyqxmd.com/read/29211301/outcome-in-patients-with-left-common-pulmonary-vein-after-cryoablation-with-second-generation-cryoballoon
#1
Thomas Beiert, Pia C Lodde, Lutz P T Linneborn, Jessica Werner, Lisa Prinz, Florian Stöckigt, Markus Linhart, Lars Lickfett, Georg Nickenig, Jan W Schrickel, René P Andrié
BACKGROUND: Pulmonary vein isolation (PVI) has become a widely accepted therapy in patients suffering from symptomatic atrial fibrillation (AF). HYPOTHESIS: AF-free survival differs in patients with left common pulmonary vein (LCPV) after PVI with second generation cryoballoon. METHODS: We included patients scheduled for first PVI for paroxysmal or persistent AF. Symptomatic and/or documented arrhythmia episodes (> 30 s) were defined as AF recurrence, excluding a three month blanking period...
December 6, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29146378/association-of-p-wave-duration-index-with-atrial-fibrillation-recurrence-after-cryoballoon-catheter-ablation
#2
Onur Kaypakli, Hasan Koca, Durmuş Yıldıray Şahin, Sefa Okar, Fadime Karataş, Mevlüt Koç
AIM: We aimed to investigate the relationship between the recurrence of AF and P wave duration index (PWDI) in patients with nonvalvular PAF. METHODS: We included 114 patients who underwent cryoballoon catheter ablation with the diagnosis of paroxysmal atrial fibrillation (PAF) (55 male, 59 female; mean age 55.5±10,9years). PWDI was calculated by dividing the Pwd by the PR interval in DII lead of 12‑lead ECG. Patients had regular follow-up visits with 12-lead ECG, medical history and clinical evaluation...
October 9, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29126892/atrial-fibrillation-ablation-beyond-pulmonary-veins-the-role-of-left-atrial-appendage
#3
REVIEW
Jorge Romero, Andrea Natale, Luigi Di Biase
The role of pulmonary vein isolation in patients with non-paroxysmal atrial fibrillation (AF) is only modest. Several studies have demonstrated the role of the left atrial appendage (LAA) in initiating and maintaining of this arrhythmia. We review in this article the incremental benefit in free-arrhythmia recurrence of LAA electrical isolation in patients undergoing procedures for persistent AF or long standing persistent AF either using radiofrequency ablation, cryoablation or Lariat device implantation. Likewise, acute complications, anticoagulation and the risk of ischemic stroke after LAA electrical isolation (LAAEI) are analyzed...
November 7, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29108897/cryoballoon-ablation-in-atrial-fibrillation-advantages-and-drawbacks
#4
REVIEW
Serge Boveda
Pulmonary vein isolation is the cornerstone of atrial fibrillation ablation and is effective for preventing arrhythmias recurrences, especially in patients with paroxysmal atrial fibrillation. During the last years, cryoballoon ablation has emerged as an unquestionable alternative approach to radiofrequency ablation. Many non-randomized and randomized trials have proven undoubtedly that cryoballoon ablation displays similar efficacy and overall safety profile, when compared to radiofrequency ablation for the treatment of patients with drug-refractory paroxysmal atrial fibrillation...
November 3, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29107190/pulmonary-vein-isolation-cryoablation-for-persistent-and-long-standing-persistent-atrial-fibrillation-patients-clinical-outcomes-from-real-word-multicentric-observational-project
#5
Claudio Tondo, Saverio Iacopino, Paolo Pieragnoli, Giulio Molon, Roberto Verlato, Antonio Curnis, Maurizio Landolina, Giuseppe Allocca, Giuseppe Arena, Gaetano Fassini, Luigi Sciarra, Mario Luzi, Massimiliano Manfrin, Luigi Padeletti
BACKGROUND: Pulmonary vein isolation (PVI) is a cornerstone ablation strategy in the management of patients with atrial fibrillation (AF). Consensus guidelines and statements recommend PVI during the index catheter ablation procedure in patients with paroxysmal and persistent AF. OBJECTIVE: The objective of this analysis was to evaluate patients with persistent and long-standing persistent AF who were treated with the cryoballoon ablation catheter by PVI technique...
October 26, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29072063/conscious-sedation-during-cryoballoon-ablation-of-atrial-fibrillation-the-feasibility-and-safety-study
#6
Dawid Miśkowiec, Jarosław D Kasprzak, Paulina Wejner-Mik, Ewa Szymczyk, Haval D Qawoq, Paweł Życiński, Tomasz Wcisło, Piotr Pagórek, Karolina Kupczyńska, Piotr Lipiec
BACKGROUND: Cryoballoon ablation for atrial fibrillation (cryoAF) is relatively simple, cost-effective and easy procedure. However, general anesthesia during this procedure may have negative impact on patients mortality and morbidity, as well as procedure costs. AIM: We sought to assess the feasibility and safety of conscious sedation during cryoAF. METHODS: Patients (pts) with paroxysmal or persistent, drug-refractory AF who underwent a first procedure of cryoAF were included in our single-center, retrospective study...
October 25, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/29040447/transient-complete-atrioventricular-block-during-catheter-balloon-cryoablation-of-atrial-fibrillation-a-case-report
#7
Wallyson Pereira Fonseca, Cristiano F Pisani, Sissy Lara, Mauricio Scanavacca
No abstract text is available yet for this article.
October 12, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29039347/ferritin-as-a-potential-biomarker-of-efficacy-of-treatment-of-atrial-fibrillation-preliminary-report
#8
Adam Sokal, Sylwia Wójcik, Patrycja Pruszkowska, Oskar Kowalski, Radoslaw Lenarczyk, Agnieszka Liberska, Michał Mazurek, Slawomir Pluta, Zbigniew Kalarus
BACKGROUND: Complex mechanisms of responsible for originating and maintaining of atrial fibrillation (AF) are involved in pathophysiology of this arrhythmia. Inflammation substantially contribute to arrhythmic remodelling of atrial tissue.The aim of the present study is to assess an applicability of ferritin and high sensitive C-reactive protein (hs-CRP) as biomarkers of atrial fibrillation and their usefulness in evaluation of efficacy of cryoablation. MATERIALS AND METHODS: The study population consisted of 40 patients who underwent first AF cryoablation procedure...
October 13, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/29036571/atrial-flow-dynamics-as-a-determinant-of-tissue-temperature-during-balloon-cryoablation
#9
Justin Ghosh, Mark A McGuire
Aims: Balloon cryoablation is an accepted method of achieving pulmonary vein isolation for the treatment of atrial fibrillation. The relationship between blood flow in the atrium and cryo energy delivery to the tissue remains poorly understood. Methods and results: Controlled cryoablations were performed in vitro using a pulmonary vein phantom constructed from bovine muscle, providing a 20 mm vein ostium. A temperature sensor was mounted within the 'vein wall' at a 1 mm tissue depth...
October 4, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29016835/quality-of-life-is-not-improved-after-mitral-valve-surgery-combined-with-epicardial-left-atrial-cryoablation-as-compared-with-mitral-valve-surgery-alone-a-substudy-of-the-double-blind-randomized-swedish-multicentre-atrial-fibrillation-study-swedmaf
#10
Louise Bagge, Johan Probst, Steen M Jensen, Per Blomström, Stefan Thelin, Anders Holmgren, Carina Blomström-Lundqvist
Aims: Concomitant surgical ablation of atrial fibrillation (AF) in patients undergoing mitral valve surgery (MVS) has almost become routine despite lack of convincing information about improved quality-of-life (QOL) and clinical benefit. Quality-of-life was therefore assessed after MVS with or without epicardial left atrial cryoablation. Methods and results: Sixty-five patients with permanent AF randomized to MVS with or without left atrial cryoablation, in the double-blinded multicentre SWEDMAF trial, replied to the Short Form 36 QOL survey at 6 and 12 months follow-up...
August 19, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28982836/randomised-clinical-trial-of-cryoballoon-versus-irrigated-radio-frequency-catheter-ablation-for-atrial-fibrillation-the-effect-of-double-short-versus-standard-exposure-cryoablation-duration-during-pulmonary-vein-isolation-circa-dose-methods-and-rationale
#11
Jason G Andrade, Marc W Deyell, Mariano Badra, Jean Champagne, Marc Dubuc, Peter Leong-Sit, Laurent Macle, Paul Novak, Jean-Francois Roux, John Sapp, Anthony Tang, Atul Verma, George A Wells, Paul Khairy
INTRODUCTION: Pulmonary vein isolation (PVI) is an effective therapy for paroxysmal atrial fibrillation (AF), but it has limitations. The two most significant recent advances have centred on the integration of real-time quantitative assessment of catheter contact force into focal radio frequency (RF) ablation catheters and the development of dedicated ablation tools capable of achieving PVI with a single ablation lesion (Arctic Front cryoballoon, Medtronic, Minneapolis, MN, USA). Although each of these holds promise for improving the clinical success of catheter ablation of AF, there has not been a rigorous comparison of these advanced ablation technologies...
October 5, 2017: BMJ Open
https://www.readbyqxmd.com/read/28977063/balloon-cryoablation-for-the-treatment-of-paroxysmal-atrial-fibrillation
#12
Guilherme Fenelon, Frederico Scuotto, Claudio Fischer, Marco Antonio Perin, Marcia Makdisse, Angelo Amato Vincenzo de Paola
No abstract text is available yet for this article.
September 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28915140/life-threatening-massive-hemoptysis-after-cryoablation-for-atrial-fibrillation
#13
Vivek Jayaschandran, Amy N Mertens, Vishal K Patel, Bhavinkumar Dalal
A 59-year-old man developed massive hemoptysis, 1 month after undergoing cryoablation procedure for atrial fibrillation. He underwent emergent bronchoscopy that revealed massive, active bleeding with clots requiring repeated suctioning, epinephrine, and cold saline injection. The source of bleeding was identified in a follow-up bronchoscopy performed few days later-a 2×3 cm area of ulceration of the left main stem bronchus which was missed in the initial bronchoscopy owing to blood obscuring the field of vision...
September 14, 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28881533/-efficacy-and-safety-of-rivaroxaban-anticoagulant-therapy-in-the-treatment-of-atrial-fibrillation-cryoablation
#14
C Y Di, Z Wan, W H Lin
Objective: To observe the efficacy and safety of the novel oral anticoagulant Rivaroxaban for anticoagulation therapy in patients with nonvalvular atrial fibrillation (AF) during cryoablation. Methods: A total of 137 AF patients from October 2013 to December 2016 underwent cryoablation were divided into two groups according to the application of anticoagulant drugs: Rivaroxaban group (65 cases) and Heparin group (72 cases). Rivaroxaban group: oral administration of Rivaroxaban 20 mg, once a day, was started 3 days before the cryoablation, no anticoagulant was additionally added during cryoablation, the activated clotting time (ACT) was measured, and oral administration of Rivaroxaban was continued for 3 months after cryoablation...
September 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28840029/profuse-and-acute-hemorrhagic-gastroesophageal-injury-after-cryotherapy-in-a-cardiac-surgery-patient
#15
Hyae-Jin Kim, Hyeon-Jeong Lee, Dowon Lee, Haekyu Kim, A-Rheum Cho, Soeun Jeon, Suyeon Hong
Upper gastrointestinal injury associated with cryoablation and under placement of transesophageal echocardiography (TEE) during cardiac surgery is a rare complication but potentially fatal. During the cryoablation for the treatment of atrial fibrillation, delivered cryoenergy can adversely affect the esophagus, resulting in gastroesophageal ulceration. The TEE probe itself also can induce adverse effects like esophageal ulceration or perforation. In this case report, we describe a case of emergent gastroesophageal injury with massive bleeding that occurred after manipulation of a TEE probe during cryoablation therapy in a cardiac surgery patient...
July 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28838486/evaluation-of-a-novel-cryoprobe-for-atrial-ablation-in-a-chronic-ovine-model
#16
Matthew R Schill, Spencer J Melby, Molly Speltz, May Breitbach, Richard B Schuessler, Ralph J Damiano
PURPOSE: Cryoablation is used in the treatment of atrial fibrillation and other cardiac arrhythmias. This study evaluated a novel 10-cm flexible nitrous oxide cryoprobe in an ovine model of atrial ablation. DESCRIPTION: Six sheep were anesthetized, underwent a left thoracotomy, and were placed on cardiopulmonary bypass. A left atriotomy was performed, and the cryoprobe was applied endocardially for 120 seconds at less than -40°C to 4 sites on the left atrium. The atrium was closed and the animals were allowed to recover...
September 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28818088/assessment-of-the-effect-of-left-atrial-cryoablation-enhanced-by-ganglionated-plexi-ablation-in-the-treatment-of-atrial-fibrillation-in-patients-undergoing-open-heart-surgery
#17
Jiří Bárta, Radim Brát
BACKGROUND: The aim of our study was to investigate, whether enhancement of left atrial cryoablation by ablation of the autonomic nervous system of left atrium leads to influencing the outcomes of surgical treatment of atrial fibrillation in patients with structural heart disease undergoing open-heart surgery. METHODS: The observed patient file consisted of 100 patients, who have undergone a combined open-heart surgery at our department between July 2012 and December 2014...
August 17, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28761039/atrio-esophageal-fistula-a-case-series-and-literature-review
#18
Craig A Schuring, Luke J Mountjoy, Ashley B Priaulx, Robert J Schneider, Hayden L Smith, Geoffrey C Wall, Dipen Kadaria, Amik Sodhi
BACKGROUND Percutaneous catheter radiofrequency ablation (RFA) and cryoablation of the left atrium and pulmonary vein ostia have become successful therapeutic modalities in the management of atrial fibrillation. Atrio-esophageal fistula is a rare complication. Awareness of complication risk is imperative because without prompt diagnosis and urgent surgical intervention, the outcome is often fatal. We present 3 cases of atrio-esophageal fistula following percutaneous catheter radiofrequency ablation (RFA). CASE REPORT Case 1: A 72-year old white male presented 27 days after percutaneous RFA for atrial fibrillation with fever, altered mental status, and melena...
August 1, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28738900/impact-of-ablation-duration-on-rhythm-outcome-after-concomitant-maze-procedure-using-cryoablation-in-patients-with-persistent-atrial-fibrillation
#19
Dong Seop Jeong, Ji Hoon You, Chang-Seok Jeon, Pyo Won Park, Kiick Sung, Wook Sung Kim, Young Tak Lee
BACKGROUND: The aim of this study was to evaluate the impact of ablation duration during a maze procedure using a nitrous oxide-based cryosurgical system. METHODS: From May 2001 to December 2006, 256 consecutive patients who underwent a concomitant maze procedure using nitrous oxide-based cryoablation for chronic atrial fibrillation (AF) during cardiac surgery were enrolled. The ablation duration for each lesion was between 120 s at -60 °C in 140 patients (control group) and 160 s in 116 patients (long duration group)...
July 24, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28706589/catheter-ablation-of-atrial-fibrillation-facilitated-by-preprocedural-three-dimensional-transesophageal-echocardiography-long-term-outcome
#20
Klaus Kettering, Felix Gramley, Stephan von Bardeleben
AIM: To evaluate the long-term outcome of catheter ablation of atrial fibrillation (AF) facilitated by preprocedural three-dimensional (3-D) transesophageal echocardiography. METHODS: In 50 patients, 3D transesophageal echocardiography (3D TEE) was performed immediately prior to an ablation procedure (paroxysmal AF: 30 patients, persistent AF: 20 patients). The images were available throughout the ablation procedure. Two different ablation strategies were used. In most of the patients with paroxysmal AF, the cryoablation technique was used (Arctic Front Balloon, CryoCath Technologies/Medtronic; group A2)...
June 26, 2017: World Journal of Cardiology
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