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Cryoballoon

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https://www.readbyqxmd.com/read/28315135/repeat-procedures-using-the-second-generation-cryoballoon-for-recurrence-of-atrial-fibrillation-after-initial-ablation-with-conventional-radiofrequency
#1
Valentina De Regibus, Saverio Iacopino, Juan-Pablo Abugattas, Giacomo Mugnai, Darragh Moran, Erwin Ströker, Hugo-Enrique Coutino, Ken Takarada, Rajin Choudhury, Gaetano Paparella, Vincent Umbrain, Pedro Brugada, Carlo de Asmundis, Gian-Battista Chierchia
PURPOSE: Pulmonary vein isolation is now widely accepted for the treatment of symptomatic atrial fibrillation refractory to antiarrhythmic drugs. However, multiple procedures are often required to significantly reduce atrial fibrillation (AF) recurrence. In the present study, we analyzed the acute results and the midterm clinical outcome of a second-generation cryoballoon ablation (CB-A) performed during repeat procedures for recurrence of AF after an initial procedure performed with conventional radiofrequency (RF)...
March 17, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28295425/prophylactic-atropine-administration-prevents-vasovagal-response-induced-by-cryoballoon-ablation-in-patients-with-atrial-fibrillation
#2
Liping Sun, Jian-Zeng Dong, Xin DU, Rong Bai, Songnan Li, Mohamed Salim, Chang-Sheng Ma
BACKGROUND: Cryoballoon ablation of pulmonary vein (PV) ostia often induces a vagal response.This prospective study was designed to assess the effectiveness of prophylactic intravenous administration of atropine on hemodynamic impairment induced by cryoballoon ablation in patients with atrial fibrillation. METHODS: Twenty-five patients with paroxysmal atrial fibrillation undergoing cryoballoon ablation were prospectively enrolled and assigned to one of two groups...
March 11, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28286132/periprocedural-anticoagulation-in-patients-undergoing-cryoballoon-ablation-for-atrial-fibrillation
#3
EDITORIAL
Polychronis Dilaveris, Dimitris Tousoulis
No abstract text is available yet for this article.
March 7, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28283860/long-term-outcome-after-second-generation-cryoballoon-ablation-for-paroxysmal-atrial-fibrillation-a-3-years-follow-up
#4
Ken Takarada, Ingrid Overeinder, Carlo de Asmundis, Erwin Stroker, Giacomo Mugnai, Valentina de Regibus, Darragh Moran, Hugo Coutino-Moreno, Juan-Pablo Abugattas, Rajin Choudhury, Diego Ruggiero, Gaetano Paparella, Saverio Iacopino, Pedro Brugada, Gian-Battista Chierchia
BACKGROUND: The second-generation cryoballoon (cryoballoon Advance; CB-A) offers excellent outcomes on the mid-term follow-up. To the best of our knowledge, little is known regarding the long-term outcome after CB-A ablation for paroxysmal atrial fibrillation (AF). OBJECTIVE: The aim of the study was to evaluate the freedom from recurrence of AF during a 3-year follow-up period, among consecutive patients having undergone pulmonary vein isolation (PVI) with the CB-A for paroxysmal AF (PAF)...
March 10, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28267401/clinical-electrophysiological-and-imaging-predictors-of-atrial-fibrillation-ablation-outcome
#5
Louisa O'Neill, James Harrison, Mark O'Neill, Steven E Williams
Significant technological advances for catheter ablation of atrial fibrillation (AF) have occurred over the last decade, with a consequent increase in numbers of patients referred for AF ablation worldwide. Despite this, long-term success rates, particularly in those with persistent AF, remain modest. The patient population presenting for AF ablation are heterogeneous with regard to age, type of AF and presence of associated cardiovascular disease. Improved understanding of factors predicting response to AF ablation may therefore help to improve patient selection for ablation procedures...
March 7, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28243805/radiofrequency-catheter-ablation-for-redo-procedures-after-pulmonary-vein-isolation-with-the-cryoballoon-technique-long-term-outcome
#6
Klaus Kettering, Felix Gramley
BACKGROUND: Catheter ablation has become the first line of therapy in patients with symptomatic, recurrent, drug-refractory atrial fibrillation (AF). Cryoablation has been shown to be a safe and effective technique for pulmonary vein (PV) isolation. However, the arrhythmia recurrence rate is high after cryoablation procedures. Radiofrequency catheter ablation has been shown to be an effective strategy for redo procedures in these patients and to provide a favourable outcome during midterm follow-up...
February 27, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28243592/loop-recorder-detected-high-rate-of-atrial-fibrillation-recurrence-after-a-single-balloon-or-basket-based-ablation-of-paroxysmal-atrial-fibrillation-results-of-the-macpaf-study
#7
Alexander Schirdewan, Juliane Herm, Mattias Roser, Ulf Landmesser, Matthias Endres, Lydia Koch, Karl Georg Haeusler
PURPOSE: Pulmonary vein isolation (PVI) is an established approach to treat symptomatic non-permanent atrial fibrillation (AF). Detecting AF recurrence after PVI is important, if discontinuation of oral anticoagulation after ablation is considered. METHODS: Patients with symptomatic paroxysmal AF were enrolled in the prospective randomized mesh ablator vs. cryoballoon pulmonary vein (PV) ablation of symptomatic paroxysmal AF study, comparing efficacy and safety of the HD Mesh Ablator(®) (C...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28239949/temporal-trends-in-peripheral-arterial-interventions-observations-from-the-blue-cross-blue-shield-of-michigan-cardiovascular-consortium-bmc2-pvi
#8
Michael P Thomas, Yeo Jung Park, Scott Grey, Theodore L Schreiber, Hitinder S Gurm, Dale Leffler, Thomas P Davis, Peter Henke, Paul Michael Grossman
OBJECTIVES: The aim is to examine trends in procedural indication, arterial beds treated, and device usage in peripheral arterial interventions (PVIs). BACKGROUND: There is little data on indication, vascular beds treated and devices utilized for peripheral arterial interventions. METHODS: We used data from 43 hospitals participating in the BMC2 VIC registry. PVIs were separated by year and divided by arterial segment. Lower extremity PVIs were subclassified as having been performed for claudication or critical limb ischemia (CLI)...
February 27, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28216515/particular-morphology-of-inferior-pulmonary-veins-and-difficulty-of-cryoballoon-ablation-in-patients-with-paroxysmal-atrial-fibrillation
#9
Ryobun Yasuoka, Takashi Kurita, Yasuhito Kotake, Naotaka Hashiguchi, Koichiro Motoki, Kazuhiro Kobuke, Yoshitaka Iwanaga, Shunichi Miyazaki
BACKGROUND: The CRYO-Japan PMS study indicated that cryoballoon ablation (Cryo-Abl) has a lower acute success rate of pulmonary vein isolation (PVI) for the right and left inferior PVs (RIPV and LIPV, respectively) than for the superior PVs. This study aimed to determine if the orientation and position of the inferior PVs are related to the difficulty of acute success of PVI.Methods and Results:We investigated 30 consecutive patients who underwent Cryo-Abl. A "difficult PV" was defined as the requirement for >2 cooling applications and/or touch-up ablation to achieve PVI...
February 17, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28215479/lessons-from-individualized-cryoballoon-sizing-is-there-a-role-for-the-small-balloon
#10
Stefan Hartl, Uwe Dorwarth, Benedikt Bunz, Michael Wankerl, Ullrich Ebersberger, Ellen Hoffmann, Florian Straube
BACKGROUND: Cryoablation for paroxysmal atrial fibrillation (PAF) is well established. The single-big-balloon strategy has been preferred for pulmonary vein isolation (PVI) using the second generation cryoballoon (CBG2). Individual PV-morphologies raise the question if an individualized anatomic approach using the 23-mm or 28-mm CB is reasonable. METHODS: Consecutive patients were prospectively enrolled in the non-randomized single-center study. Patients were treated with the 28-mm CB, if any PV was >21mm, the 23-mm CB, if all PV were ≤21mm, or both sizes, if PVI was difficult...
February 16, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28211197/recurrences-in-the-blanking-period-and-12-month-success-rate-by-continuous-cardiac-monitoring-after-cryoablation-of-paroxysmal-and-non-paroxysmal-atrial-fibrillation
#11
Paolo Pieragnoli, Alessandro Paoletti Perini, Giuseppe Ricciardi, Luca Checchi, Andrea Giomi, Iacopo Muraca, Letizia Mannucci, Luigi Padeletti
INTRODUCTION: Recurrences within the blanking period (early recurrences) are common after atrial fibrillation (AF) ablation by pulmonary vein isolation (PVI), but their clinical significance is still controversial. We aimed at evaluating the significance of within-blanking recurrences at 12-month follow-up after cryoballoon (CB) PVI, and to assess the real procedural success rate by continuous monitoring of cardiac rhythm. METHODS AND RESULTS: Sixty consecutive AF patients (34 paroxysmal, 56...
February 17, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28205119/use-of-three-dimensional-computed-tomography-overlay-for-real-time-cryoballoon-ablation-in-atrial-fibrillation-reduces-radiation-dose-and-contrast-dye
#12
B Oude Velthuis, M Molenaar, H G Reinhart Dorman, J Y Stevenhagen, M F Scholten, J van der Palen, J M van Opstal
AIMS: Cryoballoon pulmonary vein (PV) isolation in patients with atrial fibrillation has proven to be effective in short-term and long-term follow-up. To visualise the PV anatomy, pre-ablation contrast pulmonary venography is commonly performed. Three-dimensional (3D) computed tomography (CT) overlay is a new technique creating a live 3D image of the left atrium by integrating a previously obtained CT scan during fluoroscopy. To evaluate the benefits of 3D CT overlay during cryoballoon ablation, we studied the use of 3D CT overlay versus contrast pulmonary venography in a randomised fashion in patients with paroxysmal atrial fibrillation undergoing cryoballoon PV isolation...
February 15, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28201538/first-insights-into-cryoballoon-based-pulmonary-vein-isolation-taking-the-individual-time-to-isolation-into-account
#13
Bruno Reissmann, Erik Wissner, Sebastian Deiss, Christian Heeger, Michael Schlueter, Peter Wohlmuth, Christine Lemes, Shibu Mathew, Tilman Maurer, Christian Sohns, Ardan Saguner, Francesco Santoro, Kentaro Hayashi, Johannes Riedl, Feifan Ouyang, Karl-Heinz Kuck, Andreas Metzner
No abstract text is available yet for this article.
February 15, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28150281/predictors-of-late-atrial-fibrillation-recurrence-after-cryoballoon-based-pulmonary-vein-isolation-a-meta-analysis
#14
Dajun Quan, He Huang, Bin Kong, Qi Li, Jiafen Liao, Guangji Wang
BACKGROUND: The recurrence rate of atrial fibrillation (AF) after cryoballoon ablation in drug refractory AF patients is high. Late-recurrence of AF has various predictors. The aim of the study was to explore the related risk factors that can effectively predict late AF recurrence after cryoballoon-based pulmonary vein isolation. METHODS: The PubMed and Web of Science databases were searched from 1 January 2013 to 1 August 2016, and studies were chosen that met the pre-stated inclusion criteria...
February 2, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28127119/repeat-ablation-and-hospitalization-following-cryoballoon-ablation-of-atrial-fibrillation-at-a-single-tertiary-medical-center
#15
Cara East, Teresa Phan, Giovanni Filardo, Jay Franklin, Alan Donsky, Kevin R Wheelan, Robert C Kowal
Cryoablation for atrial fibrillation (AF) has rapidly become a mainstream treatment for AF. In this report, 163 patients who had undergone a cryoablation procedure at one clinical center were contacted by telephone 33.1 ± 3.3 months after the procedure. All patients had received cryoablation of the pulmonary vein ostia, although concomitant procedures were performed at the same time in over 50% of the patients, including radiofrequency and/or cryoablation of other areas of the left atrium. Freedom from a repeat ablation procedure was 87%, while freedom from recurrent hospitalization for AF was 89%, as compared to previous reports of 65%...
January 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28122804/second-generation-cryoballoon-ablation-for-atrial-fibrillation-in-young-adults-midterm-outcome-in-patients-under-40-years-of-age
#16
Darragh Moran, Valentina De Regibus, Carlo de Asmundis, Ken Takarada, Giacomo Mugnai, Erwin Ströker, Arash Aryana, Saverio Iacopino, Diego Ruggiero, Hugo Enrique Coutiño-Moreno, Rajin Choudhury, Juan-Pablo Abugattas, Ebru Hacioglu, Gaetano Paparella, Pedro Brugada, Gian-Battista Chierchia
AIMS: Pulmonary vein isolation (PVI) has been demonstrated more effective in young patients, in which the substrate for atrial fibrillation (AF) is probably more confined to pulmonary vein potentials. The present study sought to focus on the midterm outcomes in patients under 40 years having undergone PVI with the Cryoballoon Advance because of drug resistant AF. METHODS AND RESULTS: Between June 2012 and December 2015, 57 patients having undergone Cryoballoon ablation (CB-A) below 40 years of age for AF in our centre were retrospectively analysed and considered for our analysis...
January 25, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28106019/pulmonary-vein-anatomy-and-its-variations-in-a-turkish-atrial-fibrillation-cohort-undergoing-cryoballoon-based-catheter-ablation
#17
Duygu Koçyiğit, Kadri Murat Gürses, Muhammed Ulvi Yalçın, Gamze Türk, Banu Evranos, Uğur Canpolat, Hikmet Yorgun, Tuncay Hazırolan, Kudret Aytemir
OBJECTIVE: Pulmonary vein (PV) anatomy has drawn attention since assumption that atrial fibrillation (AF) may originate from PVs and that electrical isolation of PVs may be beneficial in eliminating these triggers. The present study aims to investigate PV anatomy and its variations in a sample of Turkish patients undergoing PV isolation (PVI) for AF. METHODS: 250 patients underwent multidetector computed tomography before cryoballoon-based PVI for AF. PV and left atrial (LA) anatomy were evaluated in 3-dimensional epicardial reconstructions...
January 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28106017/relationship-between-serum-osteopontin-level-and-atrial-fibrillation-recurrence-in-patients-undergoing-cryoballoon-catheter-ablation
#18
Hacı Murat Güneş, Gamze Babur Güler, Ekrem Güler, Gültekin Günhan Demir, Filiz Kızılırmak Yılmaz, Mehmet Onur Omaygenç, Ayşe İstanbullu Tosun, Taylan Akgün, Bilal Boztosun, Fethi Kılıçarslan
OBJECTIVE: Atrial fibrillation (AF) is the most common sustained arrhythmia and is associated with increased morbidity and mortality. Atrial fibrosis augments recurrence rate following AF catheter ablation. Osteopontin is a multifunctional molecule involved in several pathophysiological pathways, including fibrosis. Presently described is investigation of relationship between serum osteopontin level and AF recurrence after AF cryoablation. METHODS: The study was designed to be prospective and observational; 60 patients with paroxysmal (n=47) and persistent (n=13) AF were included...
January 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28106014/-thinking-globally-acting-locally-in-cryoballoon-based-atrial-fibrillation-ablation
#19
EDITORIAL
Burak Hünük
No abstract text is available yet for this article.
January 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28089202/cryoballoon-ablation-versus-radiofrequency-ablation-for-atrial-fibrillation
#20
REVIEW
Bruno Reissmann, Andreas Metzner, Karl-Heinz Kuck
No abstract text is available yet for this article.
December 14, 2016: Trends in Cardiovascular Medicine
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