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Tadafumi Nanbu, Akihiko Yotsukura, Sano Fumihiko, George Suzuki, Yuki Ishidoya, Izumi Yoshida, Masayuki Sakurai
INTRODUCTION: Pulmonary vein isolation (PVI) with wide antral ablation leads to better outcomes in atrial fibrillation ablation therapy, but the ablation area is relatively small during cryoballoon ablation. The present study tested the hypothesis that wide ablation can lead to better outcomes in cryoballoon ablation (CBA). METHODS AND RESULTS: Ninety-six patients with atrial fibrillation were enrolled (Paroxysmal 76%, 64.1±11.7 years). All patients underwent preprocedural computed tomography and the PV diameter at left atrial-pulmonary vein junction was measured...
May 30, 2018: Journal of Cardiovascular Electrophysiology
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...
February 1, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
Roy M John, Sunil Kapur, Kenneth A Ellenbogen, Jayanthi N Koneru
BACKGROUND: Collateral damage has been reported with use of the cryoballoon for pulmonary vein isolation. OBJECTIVE: The purpose of this study was to determine the incidence and characteristics associated with atrioesophageal fistula (AEF) after cryoballoon use. METHODS: Cases of AEF reported with use of the cryoballoon since 2011 were collected from the Manufacturer and User Facility Device Experience (MAUDE) database, publications, and the manufacturer's database...
February 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
Jorge Gonzalez, Moisés Levinstein, Pedro Brugada
Cryoablation is an energy alternative to radiofrequency for ablation of various arrhythmias, where its unique biophysical properties offer a greater safety profile. Since its first use for the surgical treatment of different arrhythmias until its conceptualization in the current technical transcatheter, cryoablation has proven not to be only a safe source of energy, but also an effective source in the long-term. While the radiofrequency has been the energy most used for isolation of pulmonary veins in atrial fibrillation ablation, technological advances in cryoballon have managed to simplify the procedure without sacrificing its effectiveness...
January 2016: Archivos de Cardiología de México
Raymond Kawasaki, Andre Gauri, Darryl Elmouchi, Manoj Duggal, Adarsh Bhan
Although atrioesophageal fistula (AEF) formation is a well known, albeit rare, catastrophic complication of atrial fibrillation radiofrequency ablation procedures, there are less data regarding this complication using the cryoballoon technique. We report on 3 cases of AEF as a complication of cryoballoon pulmonary vein isolation at 3 different institutions with 2 different generations of cryoballoons.
July 2014: Journal of Cardiovascular Electrophysiology
Kr Julian Chun, Stefano Bordignon, Melanie Gunawardene, Verena Urban, Mehmet Kulikoglu, Britta Schulte-Hahn, Bernd Nowak, Boris Schmidt
BACKGROUND: The single big cryoballon technique for pulmonary vein isolation (PVI) has been limited by the need for two transseptal punctures (TP). We therefore investigated feasibility and safety of a simplified approach using a single TP and a novel circumferential mapping catheter (CMC). METHODS: Patients underwent 28-mm cryoballoon PVI using a single TP. The CMC (Achieve(©) Medtronic Inc., Minneapolis, MN, USA) served as (1) guidewire and (2) as a PV mapping tool...
November 2012: Pacing and Clinical Electrophysiology: PACE
D S Lebedev, E N Mikhaĭlov, V S Orshanskaia, G V Kolunin, V E Kharats, A V Pavlov, V A Kuznetsov, E V Shliakhto
Cryoballon ablation (CBA) for pulmonary vein (PV) isolation is a new method for catheter-based treatment of patients with atrial fibrillation (AF). The purpose of our work is to describe the CBA technique and to report its short-term results. Methods. CBA was performed in 12 patients (8 men; age 53.1+/-5.7 years) with highly symptomatic drug-refractory AF. Paroxysmal AF was present in 11 and persistent AF - in 1 patient. CBA procedure was carried out under general anesthesia with intubation in 6 and under light sedation in 6 patients...
2012: Kardiologiia
Edward Koźluk, Sylwia Gaj, Agnieszka Piatkowska, Marek Kiliszek, Piotr Lodziński, Paweł Dabrowski, Małgorzata Zukowska, Paweł Stefańczyk, Andrzej Kleinrok, Grzegorz Opolski
BACKGROUND: Cryoballon isolation of the pulmonary veins has recently emerged as a promissing technique for ablation of atrial fibrillation (AF). AIM: To present our initial experience in cryoballon isolatin of the pulmonary veins in patients with AF. METHODS: Eight patients (5 males; age 59+/-2 years) with AF: 2 with persistent and 6 with paroxysmal (5 of them after unsuccessful RF ablation) with >or=6 month follow-up after the procedure were included...
February 2010: Kardiologia Polska
Zsuzsanna Tóth, Edina Nagy-Baló, Attila Kertész, Marcell Clemens, Csaba Herczku, Diana Tint, Csaba Kun, István Edes, Zoltán Csanádi
UNLABELLED: Several transcatheter techniques based on radiofrequency energy were elaborated for the treatment of atrial fibrillation through the last decade. Recently, similar success rates with a better safety profile concerning life threatening complications were reported with the novel methode of cryoballon isolation of the pulmonary veins. This paper summarizes our initial experience with cryoballon ablation after the first 55 patients. METHOD: [corrected] Symptomatic patients refractory to aniarrhythmic medication mostly with paroxysmal atrial fibrillation without significant structural heart disease were enrolled...
January 31, 2010: Orvosi Hetilap
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