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Cryoballoon

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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
#1
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/28781863/cryoballoon-ablation-with-left-lateral-decubitus-position-in-atrial-fibrillation-patient-where-the-left-atrium-was-compressed-by-the-vertebra
#2
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/28765757/vagal-response-in-cryoballoon-ablation-of-atrial-fibrillation-and-autonomic-nervous-system-utility-of-epicardial-adipose-tissue-location
#3
Satoshi Yanagisawa, Yasuya Inden, Yoshiaki Mizutani, Aya Fujii, Yosuke Kamikubo, Yasunori Kanzaki, Monami Ando, Junya Funabiki, Yosuke Murase, Masaki Takenaka, Noriaki Otake, Tetsuyoshi Hattori, Rei Shibata, Toyoaki Murohara
BACKGROUND: Mechanism and effects of vagal response (VR) during cryoballoon ablation procedure on the cardiac autonomic nervous system (ANS) are unclear. The present study aimed to evaluate the relationship between VR during cryoballoon catheter ablation for atrial fibrillation and ANS modulation by evaluating epicardial adipose tissue (EAT) locations and heart rate variability (HRV) analysis. METHODS: Forty-one patients with paroxysmal atrial fibrillation (11 with VR during the procedure and 30 without VR) who underwent second-generation cryoballoon ablation were included...
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28751544/the-impact-of-cryoballoon-versus-radiofrequency-ablation-for-paroxysmal-atrial-fibrillation-on-healthcare-utilization-and-costs-an-economic-analysis-from-the-fire-and-ice-trial
#4
K R Julian Chun, Josep Brugada, Arif Elvan, Laszlo Gellér, Matthias Busch, Alberto Barrera, Richard J Schilling, Matthew R Reynolds, Robert B Hokanson, Reece Holbrook, Benedict Brown, Michael Schlüter, Karl-Heinz Kuck
BACKGROUND: This study sought to assess payer costs following cryoballoon or radiofrequency current (RFC) catheter ablation of paroxysmal atrial fibrillation in the randomized FIRE AND ICE trial. METHODS AND RESULTS: A trial period analysis of healthcare costs evaluated the impact of ablation modality (cryoballoon versus RFC) on differences in resource use and associated payer costs. Analyses were based on repeat interventions, rehospitalizations, and cardioversions during the trial, with unit costs based on 3 national healthcare systems (Germany [€], the United Kingdom [£], and the United States [$])...
July 27, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28748144/hemoptysis-after-five-months-of-cryoballoon-ablation-what-is-the-relationship
#5
Keita Watanabe, Junichi Nitta, Akira Sato, Masahiko Goya, Mitsuaki Isobe, Kenzo Hirao
No abstract text is available yet for this article.
July 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28720474/nitrous-oxide-cryotherapy-for-treatment-of-esophageal-squamous-cell-neoplasia-initial-multicenter-international-experience-with-a-novel-portable-cryoballoon-ablation-system-with-video
#6
Marcia Irene Canto, Julian Abrams, Hannah Kunzli, Bas Weusten, Yoshihiro Komatsu, Blair Jobe, Charles J Lightdale
BACKGROUND AND AIMS: Early esophageal squamous cell neoplasia (ESCN) can be successfully treated by endoscopic mucosal resection (EMR), endoscopic submucosal dissection (ESD), or radiofrequency ablation (RFA). A new portable, battery-powered cryotherapy system using nitrous oxide (cryoballoon focal ablation system (CbFAS) has been used for Barrett's esophagus. It consists of a small hand-held device containing liquid nitrous oxide, which converts to gas within a low-pressure-compliant through-the-scope balloon and freezes targeted mucosa in contact with the balloon...
July 15, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28713025/for-cryoballoon-ablation-time-to-effect-is-time-well-spent
#7
EDITORIAL
Byron K Lee, Gregory M Marcus
No abstract text is available yet for this article.
July 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28703873/cryoballoon-ablation-in-chinese-patients-with-paroxysmal-atrial-fibrillation-1-year-follow-up
#8
Tian-You Ling, Qi Jin, Wen-Qi Pan, Ning Zhang, Chang-Jian Lin, Hon-Chi Lee, Li-Qun Wu
OBJECTIVES: We assessed the effectiveness and safety of cryoballoon ablation (CBA) in the Chinese population with paroxysmal atrial fibrillation (AF) with a 1-year follow-up and determined the association of early recurrence of atrial tachyarrhythmias (ERAT) with late recurrence (LR). METHODS: A total of 114 patients (age 61±10 years, 78 males) with paroxysmal AF who underwent CBA were consecutively enrolled. After procedures, patients were observed for 3 d with continuous ECG monitoring in the hospital with routine follow-up visits at 3-month, 6-month, and 1-year...
July 13, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28698895/using-anatomical-landmark-to-avoid-phrenic-nerve-injury-during-balloon-based-procedures-in-atrial-fibrillation-patients
#9
Nicolina M Smith, Larry Segars, Travis Kauffman, Anthony B Olinger
PURPOSE: Atrial fibrillation (AF) is an arrhythmia which affects as many as 2.7 million Americans. AF should be treated, because it can lead to a four-to-fivefold increased risk of experiencing a stroke. The American College of Cardiology/American Heart Association guidelines for the treatment of drug refractory and symptomatic paroxysmal AF denote catheter ablation as the standard of care. The newest ablation treatment, cryoballoon, uses a cold balloon tip. The biggest risk factor associated with the cryoballoon ablation is phrenic nerve injury (PNI)...
July 11, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28688719/how-safe-are-noacs-compared-with-phenprocoumon-after-pulmonary-vein-isolation-with-the-cryoballoon-technique-using-purse-string-suture-closure
#10
Ersan Akkaya, Alexander Berkowitsch, Sergej Zaltsberg, Nikolas Deubner, Harald Greiss, Andreas Hain, Christian W Hamm, Johannes Sperzel, Malte Kuniss, Thomas Neumann
INTRODUCTION: The aim of this observational study was to compare the postprocedural incidence of bleeding and thromboembolic complications associated with novel oral anticoagulants (NOACs) with that of interrupted and continuous phenprocoumon after pulmonary vein isolation (PVI) using a purse-string suture (PSS) closure of the puncture site. METHODS AND RESULTS: Consecutive patients who had undergone PVI via cryoballoon ablation were divided into the following groups: (1) interrupted phenprocoumon with heparin bridging (n=101), (2) continuous phenprocoumon targeting an internationally normalized ratio>2 (n=70), and (3) NOACs without bridging that were restarted 2-4h after the procedure (n=185)...
June 23, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28685200/role-of-the-burden-of-premature-atrial-contractions-during-the-blanking-period-following-second-generation-cryoballoon-ablation-in-predicting-late-recurrences-of-atrial-arrhythmias
#11
Hugo-Enrique Coutiño, Juan-Pablo Abugattas, Moisés Levinstein, Giacomo Mugnai, Darragh Moran, Valentina De Regibus, Erwin Ströker, Ken Takarada, Rajin Choudhury, Luis Marroquín, Francesca Salghetti, Ian-Emiray Lusoc, Saverio Iacopino, Juan Sieira, Carlo de Asmundis, Pedro Brugada, Gian-Battista Chierchia
PURPOSE: Recent data suggests that high burden of premature atrial complexes after pulmonary vein isolation predicts recurrences of atrial arrhythmias. The present study sought to assess the role of premature atrial complexes burden in predicting atrial arrhythmias recurrences in patients with atrial fibrillation (AF) who have undergone second-generation cryoballoon ablation (CB-Adv). METHODS: Consecutive patients with drug-resistant paroxysmal atrial fibrillation who underwent pulmonary vein isolation using CB-Adv technology as the index procedure were retrospectively included...
September 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28679138/nitrous-oxide-cryoballoon-therapy-of-refractory-gastric-antral-vascular-ectasia
#12
Arvind J Trindade, Sumant Inamdar, Divyesh V Sejpal
No abstract text is available yet for this article.
July 5, 2017: Endoscopy
https://www.readbyqxmd.com/read/28678147/efficacy-of-second-generation-cryoballoon-ablation-in-paroxysmal-and-persistent-atrial-fibrillation-patients
#13
Antonio Curnis, Francesca Salghetti, Manuel Cerini, Francesca Vassanelli, Lorenza Inama, Clara Villa, Daniele Giacopelli, Abdallah Raweh, Luca Bontempi
AIMS: In this study, we aimed to compare the efficacy of single pulmonary vein isolation with the second-generation cryoballoon (CB-Adv) and predictors of atrial fibrillation recurrences in patients with paroxysmal (PAF) and persistent atrial fibrillation (PersAF). METHODS: Consecutive PAF and PersAF patients undergoing CB-Adv for the first time were enrolled. Patients were followed with in-clinic visits including Holter ECG. Atrial arrhythmic episodes symptomatic or documented lasting more than 30 s were considered as recurrences...
September 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28649087/acute-hemodynamic-and-tissue-effects-of-cryoballoon-ablation-on-pulmonary-vessels-the-ivus-cryo-study
#14
Jakub Baran, Paweł Lewandowski, Krzysztof Smarż, Agnieszka Sikorska, Beata Zaborska, Piotr Kułakowski
BACKGROUND: Cryoballoon-based pulmonary vein isolation (CB-PVI) has been widely used for the treatment of atrial fibrillation. Although generally safe and effective, the procedure may be associated with pulmonary vein (PV) stenosis and bronchial or esophageal injury. The mechanisms leading to these complications have not been studied in detail. Our aim was to examine acute effects of cryoballoon on the pulmonary vessel and right heart pressures as well as PV wall morphology. METHODS AND RESULTS: In 8 patients (5 men, mean age 55±14 years) undergoing CB-PVI, pressure in each PV was measured by catheter located inside the PV directly before and after CB-PVI...
June 25, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28637626/chromosome-4q25-variants-and-recurrence-after-second-generation-cryoballoon-ablation-in-patients-with-paroxysmal-atrial-fibrillation
#15
Shinsuke Miyazaki, Yusuke Ebana, Lian Liu, Hiroaki Nakamura, Hitoshi Hachiya, Hiroshi Taniguchi, Takamitsu Takagi, Takatsugu Kajiyama, Tomonori Watanabe, Miyako Igarashi, Shigeki Kusa, Takashi Niida, Yoshito Iesaka, Tetsushi Furukawa
BACKGROUND: Chromosome 4q25 single-nucleotide polymorphisms (SNPs) are associated with atrial fibrillation (AF) recurrence after radiofrequency catheter ablation, however the underlying mechanism is unknown. Pulmonary vein (PV) reconnections are common post-radiofrequency ablation. We explored the pre-procedural parameters, including AF susceptibility SNPs, predicting the response to PV isolation (PVI) using second-generation cryoballoons. METHODS: One hundred fifty-seven paroxysmal AF patients undergoing PVI using second-generation cryoballoons and genetic testing were enrolled...
June 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28631212/erratum-to-use-of-three-dimensional-computed-tomography-overlay-for-real-time-cryoballoon-ablation-in-atrial-fibrillation-reduces-radiation-dose-and-contrast-dye
#16
B Oude Velthuis, M M D Molenaar, H G Reinhart Dorman, J Y Stevenhagen, M F Scholten, J van der Palen, J M van Opstal
No abstract text is available yet for this article.
July 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28630168/incidence-and-factors-associated-with-the-occurrence-of-pulmonary-vein-narrowing-after-cryoballoon-ablation
#17
Ryohsuke Narui, Michifumi Tokuda, Masato Matsushima, Ryota Isogai, Kenichi Tokutake, Kenichi Yokoyama, Mika Hioki, Keiichi Ito, Shin-Ichi Tanigawa, Seigo Yamashita, Keiichi Inada, Kenri Shibayama, Seiichiro Matsuo, Satoru Miyanaga, Kenichi Sugimoto, Michihiro Yoshimura, Teiichi Yamane
BACKGROUND: In contrast with traditional radiofrequency ablation, little is known about the influence of cryoballoon ablation on the morphology of pulmonary veins (PVs). We evaluated the influence of cryoballoon ablation on the PV dimension (PVD) and investigated the factors associated with a reduction of the PVD. METHODS AND RESULTS: Seventy-four patients who underwent cryoballoon ablation for paroxysmal atrial fibrillation were included in the present study. All subjects underwent contrast-enhanced computed tomography both before and at 3 months after the procedure...
June 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28625929/verification-of-a-novel-atrial-fibrillation-cryoablation-dosing-algorithm-guided-by-time-to-pulmonary-vein-isolation-results-from-the-cryo-dosing-study-cryoballoon-ablation-dosing-based-on-the-assessment-of-time-to-effect-and-pulmonary-vein-isolation-guidance
#18
Arash Aryana, David N Kenigsberg, Marcin Kowalski, Charles H Koo, Hae W Lim, Padraig Gearoid O'Neill, Mark R Bowers, Robert B Hokanson, Kenneth A Ellenbogen
BACKGROUND: There are no recommendations on the optimal dosing for cryoablation of atrial fibrillation (Cryo-AF). OBJECTIVE: The purpose of this study was to develop and prospectively test a Cryo-AF dosing protocol guided exclusively by time-to-pulmonary vein (PV) isolation (TT-PVI) in patients undergoing a first-time Cryo-AF. METHODS: In this multicenter study, we examined the acute/long-term safety/efficacy of Cryo-AF using the proposed dosing algorithm (Cryo-AFDosing; n = 355) against a conventional, nonstandardized approach (Cryo-AFConventional; n = 400) in a nonrandomized fashion...
June 15, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28625928/second-generation-cryoballoon-ablation-in-the-setting-of-left-common-pulmonary-veins-procedural-findings-and-clinical-outcome
#19
Erwin Ströker, Ken Takarada, Carlo de Asmundis, Juan-Pablo Abugattas, Giacomo Mugnai, Vedran Velagić, Valentina de Regibus, Hugo-Enrique Coutiño, Rajin Choudhury, Saverio Iacopino, Yves De Greef, Kaoru Tanaka, Pedro Brugada, Gian-Battista Chierchia
BACKGROUND: A left common pulmonary vein (LCPV) accounts for the most frequent PV variation. Use of the cryoballoon (CB) for isolating these veins is still debatable. To date, no data are available regarding the feasibility, acute PV isolation, and clinical outcome of the second-generation CB (CB-A) in this setting. OBJECTIVE: The purpose of this study was to investigate the performance of the CB-A in patients with LCPVs. METHODS: In a total cohort of 433 patients having undergone CB-A ablation for drug-refractory atrial fibrillation together with preprocedural computed tomographic scanning, 146 patients presented an LCPV...
June 16, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28608980/safety-and-feasibility-of-percutaneous-skin-closure-using-purse-string-suture-compared-with-compression-bandage-after-pulmonary-vein-isolation
#20
Ersan Akkaya, Alexander Berkowitsch, Sergej Zaltsberg, Nikolas Deubner, Harald Greiss, Andreas Hain, Christian W Hamm, Johannes Sperzel, Thomas Neumann, Malte Kuniss
INTRODUCTION: This observational study was designed to analyze the safety and feasibility of percutaneous skin closure using a purse-string suture and compare it with the use of a compression bandage after pulmonary vein isolation. METHODS AND RESULTS: A total of 407 patients undergoing pulmonary vein isolation (217 with radiofrequency and 190 with cryoballoon ablation) were treated with either purse-string sutures or compression bandages. The purse-string suture was applied after ablation before withdrawal of the sheaths...
June 13, 2017: Journal of Cardiovascular Electrophysiology
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