1
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Tzeis S, Gerstenfeld EP, Kalman J, Saad EB, Shamloo AS, Andrade JG, Barbhaiya CR, Baykaner T, Boveda S, Calkins H, Chan NY, Chen M, Chen SA, Dagres N, Damiano RJ, De Potter T, Deisenhofer I, Derval N, Di Biase L, Duytschaever M, Dyrda K, Hindricks G, Hocini M, Kim YH, la Meir M, Merino JL, Michaud GF, Natale A, Nault I, Nava S, Nitta T, O'Neill M, Pak HN, Piccini JP, Pürerfellner H, Reichlin T, Saenz LC, Sanders P, Schilling R, Schmidt B, Supple GE, Thomas KL, Tondo C, Verma A, Wan EY. 2024 European Heart Rhythm Association/Heart Rhythm Society/Asia Pacific Heart Rhythm Society/Latin American Heart Rhythm Society expert consensus statement on catheter and surgical ablation of atrial fibrillation. Heart Rhythm 2024; 21:e31-e149. [PMID: 38597857 DOI: 10.1016/j.hrthm.2024.03.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 03/11/2024] [Indexed: 04/11/2024]
Abstract
In the last three decades, ablation of atrial fibrillation (AF) has become an evidence-based safe and efficacious treatment for managing the most common cardiac arrhythmia. In 2007, the first joint expert consensus document was issued, guiding healthcare professionals involved in catheter or surgical AF ablation. Mounting research evidence and technological advances have resulted in a rapidly changing landscape in the field of catheter and surgical AF ablation, thus stressing the need for regularly updated versions of this partnership which were issued in 2012 and 2017. Seven years after the last consensus, an updated document was considered necessary to define a contemporary framework for selection and management of patients considered for or undergoing catheter or surgical AF ablation. This consensus is a joint effort from collaborating cardiac electrophysiology societies, namely the European Heart Rhythm Association, the Heart Rhythm Society, the Asia Pacific Heart Rhythm Society, and the Latin American Heart Rhythm Society.
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Affiliation(s)
- Stylianos Tzeis
- Department of Cardiology, Mitera Hospital, 6, Erythrou Stavrou Str., Marousi, Athens, PC 151 23, Greece.
| | - Edward P Gerstenfeld
- Section of Cardiac Electrophysiology, University of California, San Francisco, CA, USA
| | - Jonathan Kalman
- Department of Cardiology, Royal Melbourne Hospital, Melbourne, Australia; Department of Medicine, University of Melbourne and Baker Research Institute, Melbourne, Australia
| | - Eduardo B Saad
- Electrophysiology and Pacing, Hospital Samaritano Botafogo, Rio de Janeiro, Brazil; Cardiac Arrhythmia Service, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | - Jason G Andrade
- Department of Medicine, Vancouver General Hospital, Vancouver, British Columbia, Canada
| | | | - Tina Baykaner
- Division of Cardiology and Cardiovascular Institute, Stanford University, Stanford, CA, USA
| | - Serge Boveda
- Heart Rhythm Management Department, Clinique Pasteur, Toulouse, France; Universiteit Brussel (VUB), Brussels, Belgium
| | - Hugh Calkins
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Ngai-Yin Chan
- Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong Special Administrative Region, China
| | - Minglong Chen
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Shih-Ann Chen
- Heart Rhythm Center, Taipei Veterans General Hospital, Taipei, and Cardiovascular Center, Taichung Veterans General Hospital, Taichung, Taiwan
| | | | - Ralph J Damiano
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine, Barnes-Jewish Hospital, St. Louis, MO, USA
| | | | - Isabel Deisenhofer
- Department of Electrophysiology, German Heart Center Munich, Technical University of Munich (TUM) School of Medicine and Health, Munich, Germany
| | - Nicolas Derval
- IHU LIRYC, Electrophysiology and Heart Modeling Institute, Cardiac Electrophysiology and Stimulation Department, Fondation Bordeaux Université and Bordeaux University Hospital (CHU), Pessac-Bordeaux, France
| | - Luigi Di Biase
- Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Katia Dyrda
- Department of Medicine, Montreal Heart Institute, Université de Montréal, Montreal, Canada
| | | | - Meleze Hocini
- IHU LIRYC, Electrophysiology and Heart Modeling Institute, Cardiac Electrophysiology and Stimulation Department, Fondation Bordeaux Université and Bordeaux University Hospital (CHU), Pessac-Bordeaux, France
| | - Young-Hoon Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medical Center, Seoul, Republic of Korea
| | - Mark la Meir
- Cardiac Surgery Department, Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel, Brussels, Belgium
| | - Jose Luis Merino
- La Paz University Hospital, Idipaz, Universidad Autonoma, Madrid, Spain; Hospital Viamed Santa Elena, Madrid, Spain
| | | | - Andrea Natale
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, Austin, TX, USA; Case Western Reserve University, Cleveland, OH, USA; Interventional Electrophysiology, Scripps Clinic, San Diego, CA, USA; Department of Biomedicine and Prevention, Division of Cardiology, University of Tor Vergata, Rome, Italy
| | - Isabelle Nault
- Institut Universitaire de Cardiologie et de Pneumologie de Quebec (IUCPQ), Quebec, Canada
| | - Santiago Nava
- Departamento de Electrocardiología, Instituto Nacional de Cardiología 'Ignacio Chávez', Ciudad de México, México
| | - Takashi Nitta
- Department of Cardiovascular Surgery, Nippon Medical School, Tokyo, Japan
| | - Mark O'Neill
- Cardiovascular Directorate, St. Thomas' Hospital and King's College, London, UK
| | - Hui-Nam Pak
- Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | | | | | - Tobias Reichlin
- Department of Cardiology, Inselspital Bern, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Luis Carlos Saenz
- International Arrhythmia Center, Cardioinfantil Foundation, Bogota, Colombia
| | - Prashanthan Sanders
- Centre for Heart Rhythm Disorders, University of Adelaide and Royal Adelaide Hospital, Adelaide, Australia
| | | | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien, Medizinische Klinik III, Agaplesion Markuskrankenhaus, Frankfurt, Germany
| | - Gregory E Supple
- Cardiac Electrophysiology Section, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | | | - Claudio Tondo
- Department of Clinical Electrophysiology and Cardiac Pacing, Centro Cardiologico Monzino, IRCCS, Milan, Italy; Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Atul Verma
- McGill University Health Centre, McGill University, Montreal, Canada
| | - Elaine Y Wan
- Department of Medicine, Division of Cardiology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
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2
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Lemoine MD, Obergassel J, Jaeckle S, Nies M, Taraba S, Mencke C, Rieß J, My I, Rottner L, Moser F, Ismaili D, Reißmann B, Ouyang F, Kirchhof P, Rillig A, Metzner A. Pulsed-field- vs. cryoballoon-based pulmonary vein isolation: lessons from repeat procedures. Europace 2024; 26:euae221. [PMID: 39166530 PMCID: PMC11363872 DOI: 10.1093/europace/euae221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2024] [Revised: 08/01/2024] [Accepted: 08/08/2024] [Indexed: 08/23/2024] Open
Abstract
AIMS Pulsed-field ablation (PFA) is an emerging technology to perform pulmonary vein isolation (PVI). Initial data demonstrated high safety and efficacy. Data on long-term PVI durability and reconduction patterns in comparison to established energy sources for PVI are scarce. We compare findings in repeat ablation procedures after a first PFA to findings in repeat ablation procedures after a first cryoballoon ablation (CBA) based PVI. METHODS AND RESULT A total of 550 consecutively enrolled patients underwent PFA or CBA index PVI. Repeat ablations in patients with symptomatic atrial arrhythmia recurrences were analysed. A total of 22/191 (12%) patients after index PFA-PVI and 44/359 (12%) after CBA-PVI underwent repeat ablation. Reconduction of any pulmonary vein (PV) was detected by multipolar spiral mapping catheter at each PV with careful evaluation of PV potentials and by 3D-mapping in 16/22 patients (73%) after PFA-PVI and in 33/44 (75%) after CBA-PVI (P = 1.000). Of 82 initially isolated PVs after PFA-PVI, 31 (38%) were reconducting; of 169 isolated PVs after CBA-PVI, 63 (37%) were reconducting (P = 0.936). Clinical atrial tachycardia occurred similarly in patients after PFA (5/22; 23%) and CBA (7/44; 16%; P = 0.515). Roof lines were set more often after PFA- (8/22; 36%) compared with CBA-PVI (5/44; 11%; P = 0.023). Repeat procedure duration [PFA: 87 (76, 123) min; CBA: 93 (75, 128) min; P = 0.446] was similar and fluoroscopy time [PFA: 11 (9, 14) min; CBA: 11 (8, 14) min; P = 0.739] equal between groups at repeat ablation. CONCLUSION During repeat ablation after previous PFA- or CBA-based PVI, electrical PV-reconduction rates and patterns were similar.
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Affiliation(s)
- Marc D Lemoine
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Julius Obergassel
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Sandro Jaeckle
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Moritz Nies
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Sophia Taraba
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Celine Mencke
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jan Rieß
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Ilaria My
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Laura Rottner
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Fabian Moser
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Djemail Ismaili
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Bruno Reißmann
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Feifan Ouyang
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Paulus Kirchhof
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Andreas Rillig
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Andreas Metzner
- Department of Cardiology, University Heart and Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany
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3
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Odagiri F, Tokano T, Miyazaki T, Hirabayashi K, Ishi K, Abe H, Ishiwata S, Kakihara M, Maki M, Matsumoto H, Shimai R, Aikawa T, Takano S, Kimura Y, Kuroda S, Isogai H, Ozaki D, Shiozawa T, Yasuda Y, Takasu K, Iijima K, Takamura K, Matsubara T, Tabuchi H, Hayashi H, Yokoyama K, Sekita G, Sumiyoshi M, Nakazato Y, Minamino T. Clinical impact of cryoballoon posterior wall isolation using the cross-over technique in persistent atrial fibrillation. Pacing Clin Electrophysiol 2024. [PMID: 39132971 DOI: 10.1111/pace.15058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 06/22/2024] [Accepted: 08/03/2024] [Indexed: 08/13/2024]
Abstract
BACKGROUND AND AIMS Successful left atrial posterior wall isolation (LAPWI) using only the cryoballoon (CB) is technically challenging for the treatment of atrial fibrillation (AF). This study aimed to evaluate the efficacy of the cross-over technique, wherein an overlapped ablation is performed by placing the CB from both directions in contact with the LAPW. METHODS This was a single-center, retrospective, observational study of 194 consecutive patients with persistent atrial fibrillation (PerAF) who underwent a first-time procedure of pulmonary vein isolation (PVI) + PWI (108 patients) or PVI-only (86 patients) using the CB. The cross-over technique was applied in all LAPWI. RESULTS For ablation of the LA roof and bottom, respectively, a mean of 8.6 ± 1.0 (right to left [R→L] 4.3 ± 1.1 and left to right [L→R] 4.3 ± 1.1) and 9.1 ± 1.2 (R→L 4.6 ± 1.6 and L→R 4.5 ± 1.2) CB applications were delivered. LAPW was successfully isolated solely using the CB in 99.1% of patients. Although the PVI + PWI group had significantly longer procedure time, no severe adverse events were observed in either group. During a median follow-up of 19 months, freedom from recurrence of all atrial tachyarrhythmias was achieved in 93.5% of the PVI + PWI group and 72.9% of the PVI-only group (p = .011). CONCLUSIONS LAPWI performed solely with the CB using the cross-over technique is feasibly, safe, and was independently associated with a significantly higher freedom from recurrence of atrial tachyarrhythmias compared with PVI alone in patients with PerAF.
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Affiliation(s)
- Fuminori Odagiri
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Takashi Tokano
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Tetsuro Miyazaki
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Koji Hirabayashi
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Kai Ishi
- Department of Cardiology, Juntendo Tokyo Koto Geriatric Medical Center, Juntendo University School of Medicine, Koto-ku, Tokyo, Japan
| | - Hiroshi Abe
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Sayaki Ishiwata
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Midori Kakihara
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Masaaki Maki
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Hiroki Matsumoto
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Ryosuke Shimai
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Tadao Aikawa
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Shintaro Takano
- Department of Cardiology, Juntendo University Shizuoka Hospital, Izunokuni city, Shizuoka, Japan
| | - Yuki Kimura
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Shunsuke Kuroda
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Hiroyuki Isogai
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Dai Ozaki
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Tomoyuki Shiozawa
- Department of Cardiology, Juntendo University Shizuoka Hospital, Izunokuni city, Shizuoka, Japan
| | - Yuki Yasuda
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Kiyoshi Takasu
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Kenichi Iijima
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Kazuhisa Takamura
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Tomomi Matsubara
- Department of Cardiology, Juntendo Tokyo Koto Geriatric Medical Center, Juntendo University School of Medicine, Koto-ku, Tokyo, Japan
| | - Haruna Tabuchi
- Department of Cardiology, Juntendo University Nerima Hospital, Nerima-ku, Tokyo, Japan
| | - Hidemori Hayashi
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Ken Yokoyama
- Department of Cardiology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Gaku Sekita
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Masataka Sumiyoshi
- Department of Cardiology, Juntendo University Nerima Hospital, Nerima-ku, Tokyo, Japan
| | - Yuji Nakazato
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Tohru Minamino
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
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4
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Chen S. Very high-power short duration 90 W/4 s (vHPSD) vs. vHPSD-combined ablation index-guided 50W ablation (hybrid) approach for pulmonary vein isolation in treating atrial fibrillation: have we found the best radiofrequency recipe? J Interv Card Electrophysiol 2024:10.1007/s10840-024-01880-1. [PMID: 39093489 DOI: 10.1007/s10840-024-01880-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Accepted: 07/14/2024] [Indexed: 08/04/2024]
Affiliation(s)
- Shaojie Chen
- Rhythmology/Electrophysiology, Department of Internal Medicine B (Cardiology, Angiology, Pneumology and Internal Intensive Care Medicine), University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475, Greifswald, Germany.
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5
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Chen S. Catheter ablation of atrial fibrillation in "very severe" obese patients (BMI ≥ 40): Insights from "the ICE-Obese Extreme" study. J Cardiovasc Electrophysiol 2024; 35:1711-1713. [PMID: 38965744 DOI: 10.1111/jce.16361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2024] [Accepted: 06/24/2024] [Indexed: 07/06/2024]
Affiliation(s)
- Shaojie Chen
- Section of Rhythmology/Electrophysiology, Clinic of Internal Medicine B (Kardiologie, Angiologie, Pneumologie/Infektiologie und internistische Intensivmedizin), University Medicine Greifswald, Greifswald, Germany
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6
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Tzeis S, Gerstenfeld EP, Kalman J, Saad E, Shamloo AS, Andrade JG, Barbhaiya CR, Baykaner T, Boveda S, Calkins H, Chan NY, Chen M, Chen SA, Dagres N, Damiano RJ, De Potter T, Deisenhofer I, Derval N, Di Biase L, Duytschaever M, Dyrda K, Hindricks G, Hocini M, Kim YH, la Meir M, Merino JL, Michaud GF, Natale A, Nault I, Nava S, Nitta T, O'Neill M, Pak HN, Piccini JP, Pürerfellner H, Reichlin T, Saenz LC, Sanders P, Schilling R, Schmidt B, Supple GE, Thomas KL, Tondo C, Verma A, Wan EY. 2024 European Heart Rhythm Association/Heart Rhythm Society/Asia Pacific Heart Rhythm Society/Latin American Heart Rhythm Society expert consensus statement on catheter and surgical ablation of atrial fibrillation. J Interv Card Electrophysiol 2024; 67:921-1072. [PMID: 38609733 DOI: 10.1007/s10840-024-01771-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
In the last three decades, ablation of atrial fibrillation (AF) has become an evidence-based safe and efficacious treatment for managing the most common cardiac arrhythmia. In 2007, the first joint expert consensus document was issued, guiding healthcare professionals involved in catheter or surgical AF ablation. Mounting research evidence and technological advances have resulted in a rapidly changing landscape in the field of catheter and surgical AF ablation, thus stressing the need for regularly updated versions of this partnership which were issued in 2012 and 2017. Seven years after the last consensus, an updated document was considered necessary to define a contemporary framework for selection and management of patients considered for or undergoing catheter or surgical AF ablation. This consensus is a joint effort from collaborating cardiac electrophysiology societies, namely the European Heart Rhythm Association, the Heart Rhythm Society (HRS), the Asia Pacific HRS, and the Latin American HRS.
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Affiliation(s)
| | - Edward P Gerstenfeld
- Section of Cardiac Electrophysiology, University of California, San Francisco, CA, USA
| | - Jonathan Kalman
- Department of Cardiology, Royal Melbourne Hospital, Melbourne, Australia
- Department of Medicine, University of Melbourne and Baker Research Institute, Melbourne, Australia
| | - Eduardo Saad
- Electrophysiology and Pacing, Hospital Samaritano Botafogo, Rio de Janeiro, Brazil
- Cardiac Arrhythmia Service, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | - Jason G Andrade
- Department of Medicine, Vancouver General Hospital, Vancouver, British Columbia, Canada
| | | | - Tina Baykaner
- Division of Cardiology and Cardiovascular Institute, Stanford University, Stanford, CA, USA
| | - Serge Boveda
- Heart Rhythm Management Department, Clinique Pasteur, Toulouse, France
- Universiteit Brussel (VUB), Brussels, Belgium
| | - Hugh Calkins
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Ngai-Yin Chan
- Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong Special Administrative Region, China
| | - Minglong Chen
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Shih-Ann Chen
- Heart Rhythm Center, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Nikolaos Dagres
- Department of Cardiac Electrophysiology, Charité University Berlin, Berlin, Germany
| | - Ralph J Damiano
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine, Barnes-Jewish Hospital, St. Louis, MO, USA
| | | | - Isabel Deisenhofer
- Department of Electrophysiology, German Heart Center Munich, Technical University of Munich (TUM) School of Medicine and Health, Munich, Germany
| | - Nicolas Derval
- IHU LIRYC, Electrophysiology and Heart Modeling Institute, Cardiac Electrophysiology and Stimulation Department, Fondation Bordeaux Université and Bordeaux University Hospital (CHU), Pessac-Bordeaux, France
| | - Luigi Di Biase
- Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Katia Dyrda
- Department of Cardiology, Montreal Heart Institute, Université de Montréal, Montreal, Canada
| | - Gerhard Hindricks
- Department of Cardiac Electrophysiology, Charité University Berlin, Berlin, Germany
| | - Meleze Hocini
- IHU LIRYC, Electrophysiology and Heart Modeling Institute, Cardiac Electrophysiology and Stimulation Department, Fondation Bordeaux Université and Bordeaux University Hospital (CHU), Pessac-Bordeaux, France
| | - Young-Hoon Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medical Center, Seoul, Republic of Korea
| | - Mark la Meir
- Cardiac Surgery Department, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Brussels, Belgium
| | - Jose Luis Merino
- La Paz University Hospital, Idipaz, Universidad Autonoma, Madrid, Spain
- Hospital Viamed Santa Elena, Madrid, Spain
| | - Gregory F Michaud
- Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Andrea Natale
- Texas Cardiac Arrhythmia Institute, St. David's Medical Center, Austin, TX, USA
- Case Western Reserve University, Cleveland, OH, USA
- Interventional Electrophysiology, Scripps Clinic, San Diego, CA, USA
- Department of Biomedicine and Prevention, Division of Cardiology, University of Tor Vergata, Rome, Italy
| | - Isabelle Nault
- Institut Universitaire de Cardiologie et de Pneumologie de Quebec (IUCPQ), Quebec, Canada
| | - Santiago Nava
- Departamento de Electrocardiología, Instituto Nacional de Cardiología 'Ignacio Chávez', Ciudad de México, México
| | - Takashi Nitta
- Department of Cardiovascular Surgery, Nippon Medical School, Tokyo, Japan
| | - Mark O'Neill
- Cardiovascular Directorate, St. Thomas' Hospital and King's College, London, UK
| | - Hui-Nam Pak
- Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | | | | | - Tobias Reichlin
- Department of Cardiology, Inselspital Bern, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Luis Carlos Saenz
- International Arrhythmia Center, Cardioinfantil Foundation, Bogota, Colombia
| | - Prashanthan Sanders
- Centre for Heart Rhythm Disorders, University of Adelaide and Royal Adelaide Hospital, Adelaide, Australia
| | | | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien, Medizinische Klinik III, Agaplesion Markuskrankenhaus, Frankfurt, Germany
| | - Gregory E Supple
- Cardiac Electrophysiology Section, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | | | - Claudio Tondo
- Department of Clinical Electrophysiology and Cardiac Pacing, Centro Cardiologico Monzino, IRCCS, Milan, Italy
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Atul Verma
- McGill University Health Centre, McGill University, Montreal, Canada
| | - Elaine Y Wan
- Department of Medicine, Division of Cardiology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
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7
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Turagam MK, Neuzil P, Petru J, Funasako M, Koruth JS, Skoda J, Kralovec S, Reddy VY. AF ablation using a novel "single-shot" map-and-ablate spherical array pulsed field ablation catheter: 1-Year outcomes of the first-in-human PULSE-EU trial. Heart Rhythm 2024; 21:1218-1226. [PMID: 38768840 DOI: 10.1016/j.hrthm.2024.04.102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 04/27/2024] [Accepted: 04/30/2024] [Indexed: 05/22/2024]
Abstract
BACKGROUND During pulsed field ablation (PFA), electrode-tissue proximity optimizes lesion quality. A novel "single-shot" map-and-ablate spherical multielectrode PFA array catheter that is able to verify electrode-tissue contact was recently studied in a first-in-human trial of atrial fibrillation (AF). OBJECTIVE The aim of this study was to report lesion durability data, safety, and 12-month effectiveness outcomes. METHODS The spherical PFA catheter, an all-in-one mapping and ablation system, was used to render anatomy and to deliver biphasic pulses (ungated 1.7 kV pulses; ∼40 seconds/application). Ablation sites included pulmonary veins (PVs) and, in selected patients, posterior wall and mitral isthmus. Follow-up was invasive remapping at ∼3 months, electrocardiograms, Holter monitoring at 6 and 12 months, and symptomatic and scheduled transtelephonic monitoring. The primary and secondary efficacy end points were acute PV isolation (PVI), PVI durability, and atrial arrhythmia recurrence. RESULTS In the 48-patient AF cohort (paroxysmal, 48%; persistent, 52%), lesion sets included PVI (n = 48; 1.2 applications/PV), posterior wall (n = 20; 3.6 applications/posterior wall), and mitral isthmus (n = 11; 2.9 applications/mitral isthmus). Lesions were acutely successful for all 187 of 187 PVs (100%), 20 of 20 posterior walls (100%), and 10 of 11 mitral isthmuses (91%). Pulse delivery time, left atrial catheter dwell time, and procedure time were 61.5 ± 32.8 seconds, 53.9 ± 26.5 minutes, and 87.8 ± 29.8 minutes, respectively. Remapping (43/48 patients [89.5%]) revealed that 158 of 169 PVs (93.5%) were durably isolated. The only complication was a drug-responsive pericarditis. The 1-year Kaplan-Meier estimates of freedom from atrial arrhythmia were 84.2% (paroxysmal AF) and 80.0% (persistent AF). CONCLUSION The single-shot spherical array PFA catheter can safely achieve durable lesions, translating into good clinical efficacy.
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Affiliation(s)
| | | | - Jan Petru
- Homolka Hospital, Prague, Czech Republic
| | | | - Jacob S Koruth
- Icahn School of Medicine at Mount Sinai, New York, New York
| | - Jan Skoda
- Homolka Hospital, Prague, Czech Republic
| | | | - Vivek Y Reddy
- Icahn School of Medicine at Mount Sinai, New York, New York; Homolka Hospital, Prague, Czech Republic.
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Urbanek L, Schmidt B, Bordignon S, Schaack D, Ebrahimi R, Tohoku S, Hirokami J, Efe TH, Plank K, Schulte-Hahn B, Nowak B, Chun JKR, Chen S. Cryoablation of atrial fibrillation in "very severe" obese patients (BMI ≥ 40): Indications, feasibility, procedural safety and efficacy, and clinical outcome (the ICE-Obese Extreme). J Cardiovasc Electrophysiol 2024; 35:1412-1421. [PMID: 38750671 DOI: 10.1111/jce.16302] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/23/2024] [Accepted: 04/28/2024] [Indexed: 07/12/2024]
Abstract
BACKGROUND Management of atrial fibrillation (AF) in very severe obese patients is challenging. Cryoballoon ablation (CBA) represents an effective rhythm control strategy. However, data in this patient group were limited. METHODS Highly symptomatic AF patients with body mass index (BMI) ≥ 40 kg/m2 who had failed antiarrhythmic drug therapy and electrocardioversion and failure to achieve targeted body-weight-reduction underwent CBA. RESULTS Data of 72 very severe obese AF patients (Group A) and 129 AF patients with normal BMI (Group B, BMI < 25 kg/m2) were consecutively collected. Group A had significantly younger age (60.6 ± 10.4 vs. 69.2 ± 11.2 years), higher BMI (44.3 ± 4.3 vs. 22.5 ± 1.6 kg/m2). Procedural pulmonary vein isolation (PVI) was successful in all patients (2 touch-up ablation in Group A). Compared to Group B, Group A had similar procedural (61.3 ± 22.6 vs. 57.5 ± 19 min), similar fluoroscopy time (10.1 ± 5.5 vs. 9.2 ± 4.8 min) but significantly higher radiation dose (2852 ± 2095 vs. 884 ± 732 µGym2). We observed similar rates of real-time-isolation (78.6% vs. 78.5%), single-shot-isolation (86.5% vs. 88.8%), but significantly longer time-to-sustained-isolation (53.5 ± 33 vs. 43.2 ± 25 s). There was significantly higher rate of puncture-site-complication (6.9% vs. 1.6%) in Group A. One-year clinical success in paroxysmal AF was (Group A: 69.4% vs. Group B: 80.2%; p < .001), in persistent AF was (Group A: 58.1% vs. Group B: 62.8%; p = .889). In Re-Do procedures Group A had a numerically lower PVI durability (75.0% vs. 83.6%, p = .089). CONCLUSION For very severe obese AF patients, CBA appears feasible, leads to relatively good clinical outcome.
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Affiliation(s)
- Lukas Urbanek
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Stefano Bordignon
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - David Schaack
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Ramin Ebrahimi
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Shota Tohoku
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Jun Hirokami
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Tolga Han Efe
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Karin Plank
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Britta Schulte-Hahn
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Bernd Nowak
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
| | - Julian K R Chun
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
- Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
| | - Shaojie Chen
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität, Frankfurt am Main, Germany
- Section of Rhythmology/Electrophysiology, Department of Internal Medicine B (Kardiologie, Angiologie, Pneumologie/Infektiologie und internistische Intensivmedizin), University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, Greifswald, Germany
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Erkapic D, Roussopoulos K, Aleksic M, Sözener K, Kostev K, Rosenbauer J, Sossalla S, Gündüz D, Labenz J, Tanislav C, Weipert KF. Cryoballoon-Assisted Pulmonary Vein Isolation and Left Atrial Roof Ablation Using a Simplified Sedation Strategy without Esophageal Temperature Monitoring: No Notable Thermal Esophageal Lesions and Low Arrhythmia Recurrence Rates after 2 Years. Diagnostics (Basel) 2024; 14:1370. [PMID: 39001260 PMCID: PMC11241260 DOI: 10.3390/diagnostics14131370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 06/23/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
BACKGROUND Atrial fibrillation (AF) ablation is increasingly effective for managing heart rhythm but poses risks like esophageal fistulas. Minimizing esophageal thermal lesions while simplifying procedures is crucial. METHODS This prospective study involved 100 consecutive AF patients undergoing cryoballoon ablation with simplified sedation, without esophageal temperature monitoring. Patients with paroxysmal AF (Group A) received pulmonary vein isolation only, while those with persistent AF (Group B) also had left atrial roof ablation. Gastroesophageal endoscopy was performed post-procedure to detect lesions, and cardiological follow-ups were conducted at 3, 12, and 24 months. RESULTS The cohort included 69% men, with a median age of 65.5 years. Post-ablation endoscopy was performed in 92 patients; esophageal lesions were found in 1.1% of Group A and none of Group B. GERD was diagnosed in 14% of patients, evenly distributed between groups and not linked to lesion occurrence. Gastric hypomotility was observed in 16% of patients, with no significant difference between groups. At 24 months, arrhythmia-free survival was 88% in Group A and 74% in Group B. CONCLUSION Cryoballoon-assisted pulmonary vein isolation, with or without additional left atrial roof ablation and without esophageal temperature monitoring during a simplified sedation strategy, shows low risk of esophageal thermal injury and effective ablation outcomes.
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Affiliation(s)
- Damir Erkapic
- Department of Cardiology, Rhythmology and Angiology, Medical Clinic II, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany; (K.R.); (M.A.); (K.S.); (J.R.); (D.G.); (K.F.W.)
- Department of Cardiology and Angiology, Medical Clinic I, University Hospital Giessen, 35392 Giessen, Germany;
| | - Konstantinos Roussopoulos
- Department of Cardiology, Rhythmology and Angiology, Medical Clinic II, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany; (K.R.); (M.A.); (K.S.); (J.R.); (D.G.); (K.F.W.)
| | - Marko Aleksic
- Department of Cardiology, Rhythmology and Angiology, Medical Clinic II, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany; (K.R.); (M.A.); (K.S.); (J.R.); (D.G.); (K.F.W.)
| | - Korkut Sözener
- Department of Cardiology, Rhythmology and Angiology, Medical Clinic II, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany; (K.R.); (M.A.); (K.S.); (J.R.); (D.G.); (K.F.W.)
| | - Karel Kostev
- Department of Epidemiology, Philipps-University Marburg, 35037 Marburg, Germany;
| | - Josef Rosenbauer
- Department of Cardiology, Rhythmology and Angiology, Medical Clinic II, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany; (K.R.); (M.A.); (K.S.); (J.R.); (D.G.); (K.F.W.)
| | - Samuel Sossalla
- Department of Cardiology and Angiology, Medical Clinic I, University Hospital Giessen, 35392 Giessen, Germany;
| | - Dursun Gündüz
- Department of Cardiology, Rhythmology and Angiology, Medical Clinic II, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany; (K.R.); (M.A.); (K.S.); (J.R.); (D.G.); (K.F.W.)
- Department of Cardiology and Angiology, Medical Clinic I, University Hospital Giessen, 35392 Giessen, Germany;
| | - Joachim Labenz
- Department of Gastroenterology, Medical Clinic I, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany;
| | - Christian Tanislav
- Department of Geriatrics and Neurology, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany;
| | - Kay Felix Weipert
- Department of Cardiology, Rhythmology and Angiology, Medical Clinic II, Diakonie Klinikum Jung Stilling, 57074 Siegen, Germany; (K.R.); (M.A.); (K.S.); (J.R.); (D.G.); (K.F.W.)
- Department of Cardiology and Angiology, Medical Clinic I, University Hospital Giessen, 35392 Giessen, Germany;
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10
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Gkalapis C, Vlachos K, Papadakis M, Pavleros N, Hippe HJ, Benali K, Bazoukis G, Letsas KP, Frontera A, Jais P, Gotzmann M. Analysis of the effectiveness of the latest 4th-generation cryoballoon catheters in pulmonary vein isolation using high-resolution mapping. Hellenic J Cardiol 2024:S1109-9666(24)00081-2. [PMID: 38663567 DOI: 10.1016/j.hjc.2024.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 03/23/2024] [Accepted: 04/13/2024] [Indexed: 06/02/2024] Open
Abstract
BACKGROUND Long-term data showed that up to 27% of pulmonary veins are reconnected using cryoballoon ablation. This study aimed to evaluate the efficacy of the latest 4th-generation cryoballoon catheters using ultra high-resolution mapping. METHODS In patients with atrial fibrillation, a standard pulmonary vein isolation (PVI) with the latest 4th-generation cryoballoon catheter (Arctic Front Advance PRO, Medtronic Minneapolis, USA) and the spiral mapping catheter (Achieve Advance, Medtronic, Minneapolis, MN, USA) was performed. Subsequently, high-resolution mapping was achieved using the novel multipolar grid mapping catheter (Advisor HD Grid SE, Abbott Laboratories, USA). Follow-up was obtained after 6 months by means of a 7-day Holter electrocardiogram. RESULTS In our study, acute PVI was successfully achieved in all 31 patients. The latest 4th-generation cryoballoon catheter is safe in the acute phase of PVI. Additional high-resolution mapping (mean points per map 21,001 ± 4911) using the multipolar grid mapping catheter enabled us to identify residual gaps only in the carina pulmonary vein region; therefore, no additional ablation was performed. Three of 31 patients (10%) presented with atrial arrhythmia recurrence always related with pulmonary vein reconnection; using high-resolution mapping had no additional benefit in identifying pulmonary veins in which reconnection will occur. CONCLUSION The utility of additional high-density mapping, facilitated by the HD Grid catheter after PVI with the 4th-generation cryoballoon catheter do not substantiate a discernible advantage over conventional mapping methodologies, particularly, the spiral mapping catheter. Residual carinal conduction was observed in a substantial cohort of patients (48%), highlighting a persistent challenge in achieving complete electrical isolation.
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Affiliation(s)
- Charis Gkalapis
- Department of Cardiology, Marien-Hospital Witten, Ruhr University Bochum, Germany; Department of Cardiology, Klinikum Vest, Recklinghausen, Germany.
| | - Konstantinos Vlachos
- Department of Cardiology, Klinikum Vest, Recklinghausen, Germany; Cardiac Pacing and Electrophysiology Department, Hopital Cardiologique du Haut Léveque, Pessac, France; INSERM U1045, IHU-L'institut de Rythmologie et Modélisation Cardiaque, Centre Hospitalier Universitaire de Bordeaux, Université de Bordeaux, Pessac, France
| | - Marios Papadakis
- Department of Surgery II, University of Witten/Herdecke, Wuppertal, Germany
| | - Nikonas Pavleros
- Department of Cardiology, Marien-Hospital Witten, Ruhr University Bochum, Germany; Department of Cardiology, Klinikum Vest, Recklinghausen, Germany
| | - Hans-Jörg Hippe
- Department of Cardiology, Marien-Hospital Witten, Ruhr University Bochum, Germany
| | - Karim Benali
- INSERM U1045, IHU-L'institut de Rythmologie et Modélisation Cardiaque, Centre Hospitalier Universitaire de Bordeaux, Université de Bordeaux, Pessac, France
| | - George Bazoukis
- Department of Cardiology, Larnaca General Hospital, Larnaca, Cyprus; European University Cyprus, Medical School, Nicosia, Cyprus
| | | | | | - Pierre Jais
- Cardiac Pacing and Electrophysiology Department, Hopital Cardiologique du Haut Léveque, Pessac, France; INSERM U1045, IHU-L'institut de Rythmologie et Modélisation Cardiaque, Centre Hospitalier Universitaire de Bordeaux, Université de Bordeaux, Pessac, France
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11
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Bai Y, Jia R, Wang X, Chan J, Cui K. Association of left atrial wall thickness with recurrence after cryoballoon ablation of paroxysmal atrial fibrillation. J Interv Card Electrophysiol 2024; 67:657-667. [PMID: 37966658 DOI: 10.1007/s10840-023-01691-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 11/05/2023] [Indexed: 11/16/2023]
Abstract
BACKGROUND Transmural injury plays a role in successful atrial fibrillation ablation. The effect of left atrial wall thickness (LAWT) on the efficacy of radiofrequency ablation has been identified, but data on the relationship between LAWT and cryoballoon for paroxysmal atrial fibrillation (PAF) are lacking. We aim to explore the relationship between LAWT and recurrence after cryoballoon ablation (CBA). METHODS We studied 364 patients (mean age 62 years) with PAF who underwent a second-generation CBA and pre-procedure cardiac CTA. LAWT and left atrial volume index (LAVI) were obtained based on pre-procedure cardiac CTA measurements. Follow-up was at least 12 months and predictors of atrial tachyarrhythmia recurrence during follow-up were assessed. RESULTS Patients were followed up for a median of 19 (12-28) months, with an atrial tachyarrhythmia-free rate of 77.5% after cryoablation. Greater LAVI (50.0 ± 19.6 mL/m2 vs. 44.3 ± 15.4 mL/m2, P = 0.018) and greater LAWT (1.67 ± 0.24 vs. 1.46 ± 0.25 mm, P < 0.001) were associated with atrial tachyarrhythmia recurrence. The mean LAWT of PV antrum correlated with TTI (R = 0.252, P < 0.001). Adding LAWT to the established risk model improved both the discrimination and reclassification effects (IDI: 0.099, 95% CI: 0.065-0.134, P < 0.001; NRI: 0.685, 95% CI: 0.455-0.915, P < 0.001). In a multivariable Cox proportional hazard model, the mean LAWT of PV antrum (hazard ratio [HR]:3.657, 95%CI: 2.319-5.765, P < 0.001) was an independent predictor of atrial tachyarrhythmia recurrence after cryoablation. CONCLUSIONS The mean LAWT of PV antrum, obtained from preoperative measurements on CT, was associated with atrial tachyarrhythmia recurrence after cryoablation.
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Affiliation(s)
- Yixuan Bai
- Department of Cardiology, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Ruikun Jia
- Department of Cardiology, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Xinmeng Wang
- Department of Cardiology, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Juan Chan
- Department of Cardiology, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Kaijun Cui
- Department of Cardiology, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China.
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Tzeis S, Gerstenfeld EP, Kalman J, Saad EB, Sepehri Shamloo A, Andrade JG, Barbhaiya CR, Baykaner T, Boveda S, Calkins H, Chan NY, Chen M, Chen SA, Dagres N, Damiano RJ, De Potter T, Deisenhofer I, Derval N, Di Biase L, Duytschaever M, Dyrda K, Hindricks G, Hocini M, Kim YH, la Meir M, Merino JL, Michaud GF, Natale A, Nault I, Nava S, Nitta T, O’Neill M, Pak HN, Piccini JP, Pürerfellner H, Reichlin T, Saenz LC, Sanders P, Schilling R, Schmidt B, Supple GE, Thomas KL, Tondo C, Verma A, Wan EY. 2024 European Heart Rhythm Association/Heart Rhythm Society/Asia Pacific Heart Rhythm Society/Latin American Heart Rhythm Society expert consensus statement on catheter and surgical ablation of atrial fibrillation. Europace 2024; 26:euae043. [PMID: 38587017 PMCID: PMC11000153 DOI: 10.1093/europace/euae043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 04/09/2024] Open
Abstract
In the last three decades, ablation of atrial fibrillation (AF) has become an evidence-based safe and efficacious treatment for managing the most common cardiac arrhythmia. In 2007, the first joint expert consensus document was issued, guiding healthcare professionals involved in catheter or surgical AF ablation. Mounting research evidence and technological advances have resulted in a rapidly changing landscape in the field of catheter and surgical AF ablation, thus stressing the need for regularly updated versions of this partnership which were issued in 2012 and 2017. Seven years after the last consensus, an updated document was considered necessary to define a contemporary framework for selection and management of patients considered for or undergoing catheter or surgical AF ablation. This consensus is a joint effort from collaborating cardiac electrophysiology societies, namely the European Heart Rhythm Association, the Heart Rhythm Society, the Asia Pacific Heart Rhythm Society, and the Latin American Heart Rhythm Society .
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Affiliation(s)
- Stylianos Tzeis
- Department of Cardiology, Mitera Hospital, 6, Erythrou Stavrou Str., Marousi, Athens, PC 151 23, Greece
| | - Edward P Gerstenfeld
- Section of Cardiac Electrophysiology, University of California, San Francisco, CA, USA
| | - Jonathan Kalman
- Department of Cardiology, Royal Melbourne Hospital, Melbourne, Australia
- Department of Medicine, University of Melbourne and Baker Research Institute, Melbourne, Australia
| | - Eduardo B Saad
- Electrophysiology and Pacing, Hospital Samaritano Botafogo, Rio de Janeiro, Brazil
- Cardiac Arrhythmia Service, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | - Jason G Andrade
- Department of Medicine, Vancouver General Hospital, Vancouver, British Columbia, Canada
| | | | - Tina Baykaner
- Division of Cardiology and Cardiovascular Institute, Stanford University, Stanford, CA, USA
| | - Serge Boveda
- Heart Rhythm Management Department, Clinique Pasteur, Toulouse, France
- Universiteit Brussel (VUB), Brussels, Belgium
| | - Hugh Calkins
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Ngai-Yin Chan
- Department of Medicine and Geriatrics, Princess Margaret Hospital, Hong Kong Special Administrative Region, China
| | - Minglong Chen
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Shih-Ann Chen
- Heart Rhythm Center, Taipei Veterans General Hospital, Taipei, and Cardiovascular Center, Taichung Veterans General Hospital, Taichung, Taiwan
| | | | - Ralph J Damiano
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine, Barnes-Jewish Hospital, St. Louis, MO, USA
| | | | - Isabel Deisenhofer
- Department of Electrophysiology, German Heart Center Munich, Technical University of Munich (TUM) School of Medicine and Health, Munich, Germany
| | - Nicolas Derval
- IHU LIRYC, Electrophysiology and Heart Modeling Institute, Cardiac Electrophysiology and Stimulation Department, Fondation Bordeaux Université and Bordeaux University Hospital (CHU), Pessac-Bordeaux, France
| | - Luigi Di Biase
- Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Katia Dyrda
- Department of Medicine, Montreal Heart Institute, Université de Montréal, Montreal, Canada
| | | | - Meleze Hocini
- IHU LIRYC, Electrophysiology and Heart Modeling Institute, Cardiac Electrophysiology and Stimulation Department, Fondation Bordeaux Université and Bordeaux University Hospital (CHU), Pessac-Bordeaux, France
| | - Young-Hoon Kim
- Division of Cardiology, Korea University College of Medicine and Korea University Medical Center, Seoul, Republic of Korea
| | - Mark la Meir
- Cardiac Surgery Department, Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel, Brussels, Belgium
| | - Jose Luis Merino
- La Paz University Hospital, Idipaz, Universidad Autonoma, Madrid, Spain
- Hospital Viamed Santa Elena, Madrid, Spain
| | | | - Andrea Natale
- Texas Cardiac Arrhythmia Institute, St. David’s Medical Center, Austin, TX, USA
- Case Western Reserve University, Cleveland, OH, USA
- Interventional Electrophysiology, Scripps Clinic, San Diego, CA, USA
- Department of Biomedicine and Prevention, Division of Cardiology, University of Tor Vergata, Rome, Italy
| | - Isabelle Nault
- Institut Universitaire de Cardiologie et de Pneumologie de Quebec (IUCPQ), Quebec, Canada
| | - Santiago Nava
- Departamento de Electrocardiología, Instituto Nacional de Cardiología ‘Ignacio Chávez’, Ciudad de México, México
| | - Takashi Nitta
- Department of Cardiovascular Surgery, Nippon Medical School, Tokyo, Japan
| | - Mark O’Neill
- Cardiovascular Directorate, St. Thomas’ Hospital and King’s College, London, UK
| | - Hui-Nam Pak
- Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | | | | | - Tobias Reichlin
- Department of Cardiology, Inselspital Bern, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Luis Carlos Saenz
- International Arrhythmia Center, Cardioinfantil Foundation, Bogota, Colombia
| | - Prashanthan Sanders
- Centre for Heart Rhythm Disorders, University of Adelaide and Royal Adelaide Hospital, Adelaide, Australia
| | | | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien, Medizinische Klinik III, Agaplesion Markuskrankenhaus, Frankfurt, Germany
| | - Gregory E Supple
- Cardiac Electrophysiology Section, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | | | - Claudio Tondo
- Department of Clinical Electrophysiology and Cardiac Pacing, Centro Cardiologico Monzino, IRCCS, Milan, Italy
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Atul Verma
- McGill University Health Centre, McGill University, Montreal, Canada
| | - Elaine Y Wan
- Department of Medicine, Division of Cardiology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
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Szegedi N, Salló Z, Nagy VK, Osztheimer I, Hizoh I, Lakatos B, Boussoussou M, Orbán G, Boga M, Ferencz AB, Komlósi F, Tóth P, Perge P, Kovács A, Merkely B, Gellér L. Long-Term Durability of High- and Very High-Power Short-Duration PVI by Invasive Remapping: The HPSD Remap Study. Circ Arrhythm Electrophysiol 2024; 17:e012402. [PMID: 38284286 PMCID: PMC10876176 DOI: 10.1161/circep.123.012402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 01/03/2024] [Indexed: 01/30/2024]
Abstract
BACKGROUND High-power short-duration ablation has shown impressive efficacy and safety for pulmonary vein isolation (PVI); however, initial efficacy results with very high power short-duration ablation were discouraging. This study compared the long-term durability of PVI performed with a 90- versus 50-W power setting. METHODS Patients were randomized 1:1 to undergo PVI with the QDOT catheter using a power setting of 90 or 50 W. Three months after the index procedure, patients underwent a repeat electrophysiology study to identify pulmonary vein reconnections. Patients were followed for 12 months to detect AF recurrences. RESULTS We included 46 patients (mean age, 64 years; women, 48%). Procedure (76 versus 84 minutes; P =0.02), left atrial dwell (63 versus 71 minutes; P =0.01), and radiofrequency (303 versus 1040 seconds; P <0.0001) times were shorter with 90- versus 50-W procedures, while the number of radiofrequency applications was higher with 90 versus 50 W (77 versus 67; P =0.01). There was no difference in first-pass isolation (83% versus 82%; P =1.0) or acute reconnection (4% versus 14%; P =0.3) rates between 90 and 50 W. Forty patients underwent a repeat electrophysiology study. Durable PVI on a per PV basis was present in 72/78 (92%) versus 68/77 (88%) PVs in the 90- and 50-W energy setting groups, respectively; effect size: 72/78-68/77=0.040, lower 95% CI=-0.051 (noninferiority limit=-0.1, ie, noninferiority is met). No complications occurred. There was no difference in 12-month atrial fibrillation-free survival between the 90- and 50-W groups (P =0.2). CONCLUSIONS Similarly high rates of durable PVI and arrhythmia-free survival were achieved with 90 and 50 W. Procedure, left atrial dwell, and radiofrequency times were shorter with 90 W compared with 50 W. The sample size is too small to conclude the safety and long-term efficacy of the high and very high-power short-duration PVI; further studies are needed to address this topic. REGISTRATION URL: https://www.clinicaltrials.gov; Unique identifier: NCT05459831.
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Affiliation(s)
- Nándor Szegedi
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Zoltán Salló
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Vivien Klaudia Nagy
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - István Osztheimer
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - István Hizoh
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Bálint Lakatos
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Melinda Boussoussou
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Gábor Orbán
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Márton Boga
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Arnold Béla Ferencz
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Ferenc Komlósi
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Patrik Tóth
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Péter Perge
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Attila Kovács
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Béla Merkely
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - László Gellér
- Cardiology Department, Heart and Vascular Center, Semmelweis University, Budapest, Hungary
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Shi LB, Wollner K, Chu SY, Wang YC, Solheim E, Schuster P, Chen J. Thawing plateau time indicating the duration of phase transition from ice to water is the strongest predictor for long-term durable pulmonary vein isolation after cryoballoon ablation for atrial fibrillation-Data from the index and repeat procedures. Front Cardiovasc Med 2023; 10:1058485. [PMID: 36950289 PMCID: PMC10025357 DOI: 10.3389/fcvm.2023.1058485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 02/15/2023] [Indexed: 03/08/2023] Open
Abstract
Introduction This study aimed to clarify the relationship between the durability of pulmonary vein (PV) isolation and the time of phase transition from ice to water indicated by thawing plateau time in a cryoballoon ablation for atrial fibrillation (AF). Methods and results In this retrospective study, 241 PVs from 71 patients who underwent a repeat AF ablation 526 (IQR: 412, 675) days after a cryoballoon ablation were analyzed. Reconnection was observed in 101 (41.9%) PVs of 53 patients (74.6%). Thawing plateau time (TimeTP) was defined as the time from 0°C to 10°C inside the balloon in the thawing period. Durable PV isolation was associated with significantly longer TimeTP compared with PV reconnection (26.0 vs. 11.0 s, P < 0.001). The proportion of durable PV isolations increased with TimeTP in a dose-proportional manner. The cut point for PV reconnection was TimeTP <15 s with a positive predictive value of 82.1% (sensitivity = 63.4%, specificity = 90.0%) while for durable PV isolation the cut point was TimeTP >25 s with a positive predictive value of 84.6% (sensitivity = 55.0%, specificity = 86.1%). In the analysis of multivariable logistic regression, location of PV reconnection (P < 0.01), TimeTP (P < 0.05) and thawing plateau integral (P < 0.01) were shown as independent predictors for durable PV isolation. Conclusion TimeTP is an independent predictor for the durability of PV isolation, and it presents in a dose-proportional manner. TimeTP <15 s predicts long-term reconnection while TimeTP >25 s predicts durable PV isolation.
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Affiliation(s)
- Li-Bin Shi
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
| | - Kristian Wollner
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
| | - Song-Yun Chu
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
- Department of Cardiology, Peking University First Hospital, Beijing, China
| | - Yu-Chuan Wang
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
- Department of Cardiology, Shi Ji Tan Hospital, Beijing, China
| | - Eivind Solheim
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
| | - Peter Schuster
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
| | - Jian Chen
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
- Correspondence: Jian Chen
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15
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Evolving Role of Catheter Ablation for Atrial Fibrillation: Early and Effective Rhythm Control. J Clin Med 2022; 11:jcm11226871. [PMID: 36431348 PMCID: PMC9696051 DOI: 10.3390/jcm11226871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/11/2022] [Accepted: 11/17/2022] [Indexed: 11/23/2022] Open
Abstract
Catheter Ablation (CA) is an effective therapeutic option in treating atrial fibrillation (AF). Importantly, recent data show that CA as a rhythm control strategy not only significantly reduces AF burden, but also substantially improves clinical hard endpoints. Since AF is a progressive disease, the time of Diagnosis-to-Intervention appears crucial. Recent evidence shows that earlier rhythm control is associated with a lower risk of adverse cardiovascular outcomes in patients with early AF. Particularly, CA as an initial first line rhythm control strategy is associated with significant reduction of arrhythmia recurrence and rehospitalization in patients with paroxysmal AF. CA is shown to significantly lower the risk of progression from paroxysmal AF to persistent AF. When treating persistent AF, the overall clinical success after ablation remains unsatisfactory, however the ablation outcome in patients with "early" persistent AF appears better than those with "late" persistent AF. "Adjunctive" ablation on top of pulmonary vein isolation (PVI), e.g., ablation of atrial low voltage area, left atrial posterior wall, vein of Marshall, left atrial appendage, etc., may further reduce arrhythmia recurrence in selected patient group. New ablation concepts or new ablation technologies have been developing to optimize therapeutic effects or safety profile and may ultimately improve the clinical outcome.
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16
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Incidence of Long-Term Pulmonary Vein Reconnection after a 2-Minute Cryoballoon Freeze for Pulmonary Vein Isolation—Invasive Insights of TTI-Dependent Cryoenergy Titration. J Cardiovasc Dev Dis 2022; 9:jcdd9090284. [PMID: 36135429 PMCID: PMC9505807 DOI: 10.3390/jcdd9090284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 08/02/2022] [Accepted: 08/03/2022] [Indexed: 12/02/2022] Open
Abstract
Introduction: The optimal freeze duration in cryoballoon pulmonary vein isolation (PVI) is unknown. TTI-based titration of cryoenergy allows individualized freeze duration and has emerged as a favorable ablation strategy in PV cryoablation. In a recent study, we demonstrated that omission of a bonus freeze and reduction in freeze duration to a minimum of 2 min in the case of short TTI led to comparable arrhythmia recurrence rates. Whereas clinical outcome seems to be comparable to fixed freeze duration, evidence of long-term PV reconnection rates in patients undergoing TTI-based cryoballoon ablation is sparse. Aim of the study: To evaluate the procedural efficacy of a single 2-min freeze for PVI, we assessed PV conduction recovery after cryoballoon PVI with a TTI-guided titration of freeze duration compared to a fixed ablation protocol. Methods and Results: We included consecutive patients with atrial fibrillation (AF) recurrence undergoing a second ablation procedure after the initial cryoballoon procedure. The second AF ablation procedure was performed by the 3D-mapping system and radiofrequency ablation technique. A total of 219 patients (age: 66.2 ± 10.8 years, 53% female, paroxysmal AF: 53%) treated with the TTI-guided protocol (174 patients, 685 PV) or fixed protocol (45 patients, 179 PV) showed comparable total reconnection rates (TTI: 36.9% vs. fixed: 31.8%, p = 0.21). The PV reconnection rate was not statistically different for PVs treated with a 2-min freeze in case of short TTI, compared to longer freeze duration. Interestingly, the PV reconnection rate was lower in LIPVs treated with the fixed protocol (13% vs. 31%, p = 0.029). In the TTI group, 17 out of 127 patients (15%) had durable isolation of all PVs, whereas in 8 out of 40 patients (20%) in the fixed group, all PVs were still isolated (p = 0.31). Conclusions: overall reconnection rate was not different using a TTI-guided ablation protocol compared to a fixed ablation protocol, whereas the LIPV reconnection rate was significantly lower in patients treated with a fixed ablation protocol.
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17
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Tohoku S, Chen S, Bordignon S, Chun JK, Schmidt B. Hot or cold? Feasibility, safety, and outcome after radiofrequency-guided versus cryoballoon-guided left atrial appendage isolation. J Arrhythm 2022; 38:316-326. [PMID: 35785393 PMCID: PMC9237309 DOI: 10.1002/joa3.12691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/22/2022] [Accepted: 02/24/2022] [Indexed: 11/10/2022] Open
Abstract
Background Left atrial appendage (LAA) isolation (LAAI) has been described as an adjunctive ablation strategy for patients with recurrent atrial tachyarrhythmia (ATa). Objectives We compared the clinical impact of persistent durable LAAI between radiofrequency (RF)-guided wide-area LAAI and cryoballoon (CB)-guided ostial LAAI. Methods Consecutive patients who underwent RF- or CB-guided LAAI were retrospectively analyzed. RF-guided LAAI was performed by combining linear ablation. CB-guided LAAI was performed by LAA ostial ablation. Following LAAI, the patients underwent an invasive remapping study. LAA closure was conducted if persistent durability was confirmed. The procedural data, LAAI durability, and ATa recurrence were assessed. Results A total of 260 patients (RF: n = 201; CB: n = 59) undergoing LAAI were identified. The acute rate of procedural LAAI was higher in the CB group (CB:94.9% vs. RF:82.6%, p = .02) with a lower pericardial effusion incidence (CB:0% vs. RF:7.5%, p = .03). The 6-week durable LAAI was similar between the two groups (RF:78.3% vs. CB:66.0%, p = .103). During follow-up, one gastrointestinal bleeding and four stroke events including one subsequent intracranial bleeding leading to death occurred in the RF group, while one gastrointestinal bleeding occurred in the CB group.The 1-year ATa recurrence-free rate was higher in patients with durable LAAI following RF-guided LAAI (RF:76.3% vs. CB:56.7%, p = .0017). Multivariate analysis revealed RF-guided LAAI as a predictor of freedom from ATa recurrence (HR: 0.478, 95%CI: 0.336-0.823, p = .017). Conclusions LAAI can be more readily and safely achieved by CB-guided ostial ablation. In patients with confirmed LAAI, however, the freedom from ATa recurrence was higher after RF-guided wide-area isolation.
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Affiliation(s)
- Shota Tohoku
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik IIIAgaplesion Markus KrankenhausFrankfurt am MainGermany
| | - Shaojie Chen
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik IIIAgaplesion Markus KrankenhausFrankfurt am MainGermany
- Die Sektion MedizinUniversität zu LübeckLübeckGermany
| | - Stefano Bordignon
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik IIIAgaplesion Markus KrankenhausFrankfurt am MainGermany
| | - Julian Kyoung‐Ryul Chun
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik IIIAgaplesion Markus KrankenhausFrankfurt am MainGermany
- Die Sektion MedizinUniversität zu LübeckLübeckGermany
| | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik IIIAgaplesion Markus KrankenhausFrankfurt am MainGermany
- Universitätsklinikum FrankfurtMedizinische Klinik 3‐ Klinik für KardiologieFrankfurtGermany
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18
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Saouma S, Kowalski M. Frozen, Gone in 60 Seconds! J Cardiovasc Electrophysiol 2022; 33:1380-1382. [PMID: 35488748 DOI: 10.1111/jce.15513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 04/18/2022] [Indexed: 11/26/2022]
Abstract
The field of electrophysiology has seen the development of a novel ultralow temperature cryoablation (ULTC) system. The data presented in this manuscript shows that the ULTC system is feasible, safe, and effective in acute PVI under sedation and by using angiography only This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Samer Saouma
- Staten Island University Hospital and Northwell Health System, Staten Island, New York, USA
| | - Marcin Kowalski
- Staten Island University Hospital and Northwell Health System, Staten Island, New York, USA
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19
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Blockhaus C, Waibler H, Guelker J, Klues H, Bufe A, Seyfarth M, Koektuerk B, Shin D. Transesophageal echocardiography guided transseptal puncture and nadir temperatures in cryoballoon pulmonary vein isolation. J Arrhythm 2022; 38:238-244. [PMID: 35387133 PMCID: PMC8977571 DOI: 10.1002/joa3.12679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/27/2021] [Accepted: 01/10/2022] [Indexed: 11/30/2022] Open
Abstract
Introduction Cryoballoon (CB) guided pulmonary vein isolation (PVI) is an established procedure in the treatment of atrial fibrillation (AF). Transseptal access is an indispensable step during PVI and may be associated with severe complications. For specific interventions, specific puncture sites of the fossa ovalis are advantageous. Here, we analyzed the potential impact of a transesophageal echocardiography (TOE) guided transseptal puncture on nadir temperatures in CB PVI. Methods and Results We retrospectively analyzed 209 patients undergoing CB PVI in our hospital. The use of TOE had been at the operator's discretion. No TOE-related complications such as perforation of the pharynx or esophagus or loss of teeth were noted. Concerning the applied freezes, we found significantly lower nadir temperatures in all PVs in the TOE group than in the non-TOE group. Procedure time and fluoroscopy time and complications were similar in both groups. Conclusion TOE-guided TSP in CB PVI is safe and feasible. Our study found significantly lower nadir temperatures of CB freezes after TOE-guided TSP which potentially underscores the value of a more infero-anterior puncture site.
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Affiliation(s)
- Christian Blockhaus
- Department of CardiologyHeart Centre NiederrheinHelios ClinicKrefeldGermany
- Witten‐Herdecke UniversityWittenGermany
| | - Hans‐Peter Waibler
- Department of CardiologyHeart Centre NiederrheinHelios ClinicKrefeldGermany
| | - Jan‐Erik Guelker
- Witten‐Herdecke UniversityWittenGermany
- Department of CardiologyPetrus HospitalWuppertalGermany
| | - Heinrich Klues
- Department of CardiologyHeart Centre NiederrheinHelios ClinicKrefeldGermany
| | - Alexander Bufe
- Department of CardiologyHeart Centre NiederrheinHelios ClinicKrefeldGermany
- Witten‐Herdecke UniversityWittenGermany
| | - Melchior Seyfarth
- Witten‐Herdecke UniversityWittenGermany
- Department of CardiologyHelios University HospitalWuppertalGermany
| | - Buelent Koektuerk
- Department of CardiologyHeart Centre NiederrheinHelios ClinicKrefeldGermany
- Witten‐Herdecke UniversityWittenGermany
| | - Dong‐In Shin
- Department of CardiologyHeart Centre NiederrheinHelios ClinicKrefeldGermany
- Witten‐Herdecke UniversityWittenGermany
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20
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Rexha E, Heeger CH, Maack S, Rottner L, Wohlmuth P, Lemes C, Maurer T, Reißmann B, Rillig A, Mathew S, Sohns C, Ouyang F, Kuck KH, Metzner A. Impact of a time-to-effect guided ablation protocol in cryoballoon ablation on durability of pulmonary vein isolation. J Cardiovasc Electrophysiol 2022; 33:1096-1103. [PMID: 35304790 DOI: 10.1111/jce.15453] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/09/2022] [Accepted: 01/30/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Cryoballoon (CB) based pulmonary vein isolation (PVI) has proven to be as effective as radiofrequency (RF) based ablation. Different ablation protocols took the individual time-to-isolation (TTI) into account aiming at shorter but equally or even more effective freeze-cycles. The current study sought to assess the impact of the TTI on PVI durability in patients undergoing a repeat procedure for recurrence of atrial tachyarrhythmia (ATA). METHODS AND RESULTS In 205 patients with ATA recurrence after previous CB-based PVI a total of 806 PVs were identified. One hundred-twenty-six out of 806 PVs (16%) were previously treated with a TTI guided ablation (protocol #1; TTI+120 sec.), in 92/806 (11%) PVs TTI was only monitored (m) but fixed freeze-cycles were applied (protocol #2; mTTI) and in 588/806 (73%) a fixed freeze-cycle was applied without TTI-monitoring. There was no difference in the PV-reconduction rate between the groups (p=0.23). The right inferior pulmonary vein (RIPV) showed overall significantly higher reconduction rates compared to the other PVs (RIPV - left inferior PV (LIPV) p<0.003, -left superior PV (LSPV) p<0.001, - right superior PV RSPV p<0.013). Twenty-one patients (10%) were demonstrated to have only electrical reconduction of the RIPV, while all other PVs were still electrically isolated. CONCLUSIONS TTI based CB ablation did not show significant differences regarding PV-reconduction rates compared to the other protocols. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Enida Rexha
- Department of Cardiology, Asklepios Klinik St. Georg, Hamburg, Germany
| | - Christian-H Heeger
- University Heart Center Lübeck, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Germany
| | - Sabrina Maack
- Department of Cardiology, Asklepios Klinik St. Georg, Hamburg, Germany
| | | | - Peter Wohlmuth
- Department of Cardiology, Asklepios Klinik St. Georg, Hamburg, Germany
| | - Christine Lemes
- University Heart Center Lübeck, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Germany
| | - Tilman Maurer
- Department of Cardiology, Asklepios Klinik St. Georg, Hamburg, Germany
| | | | | | - Shibu Mathew
- Department of Cardiology, University Clinic Gießen, Germany
| | - Christian Sohns
- Clinic for Electrophysiology, Herz- und Diabeteszentrum NRW, Ruhr-Universität, Bochum, Bad Oeynhausen, Germany
| | | | - Karl-Heinz Kuck
- University Heart Center Lübeck, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Germany
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Park JW, Kwon OS, Shim J, Hwang I, Kim YG, Yu HT, Kim TH, Uhm JS, Kim JY, Choi JI, Joung B, Lee MH, Kim YH, Pak HN. Machine Learning-Predicted Progression to Permanent Atrial Fibrillation After Catheter Ablation. Front Cardiovasc Med 2022; 9:813914. [PMID: 35252393 PMCID: PMC8890475 DOI: 10.3389/fcvm.2022.813914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/25/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction We developed a prediction model for atrial fibrillation (AF) progression and tested whether machine learning (ML) could reproduce the prediction power in an independent cohort using pre-procedural non-invasive variables alone. Methods Cohort 1 included 1,214 patients and cohort 2, 658, and all underwent AF catheter ablation (AFCA). AF progression to permanent AF was defined as sustained AF despite repeat AFCA or cardioversion under antiarrhythmic drugs. We developed a risk stratification model for AF progression (STAAR score) and stratified cohort 1 into three groups. We also developed an ML-prediction model to classify three STAAR risk groups without invasive parameters and validated the risk score in cohort 2. Results The STAAR score consisted of a stroke (2 points, p = 0.003), persistent AF (1 point, p = 0.049), left atrial (LA) dimension ≥43 mm (1 point, p = 0.010), LA voltage <1.109 mV (2 points, p = 0.004), and PR interval ≥196 ms (1 point, p = 0.001), based on multivariate Cox analyses, and it had a good discriminative power for progression to permanent AF [area under curve (AUC) 0.796, 95% confidence interval (CI): 0.753–0.838]. The ML prediction model calculated the risk for AF progression without invasive variables and achieved excellent risk stratification: AUC 0.935 for low-risk groups (score = 0), AUC 0.855 for intermediate-risk groups (score 1–3), and AUC 0.965 for high-risk groups (score ≥ 4) in cohort 1. The ML model successfully predicted the high-risk group for AF progression in cohort 2 (log-rank p < 0.001). Conclusions The ML-prediction model successfully classified the high-risk patients who will progress to permanent AF after AFCA without invasive variables but has a limited discrimination power for the intermediate-risk group.
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Affiliation(s)
- Je-Wook Park
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Oh-Seok Kwon
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Jaemin Shim
- Department of Internal Medicine, Korea University Cardiovascular Center, Seoul, South Korea
- *Correspondence: Jaemin Shim
| | - Inseok Hwang
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Yun Gi Kim
- Department of Internal Medicine, Korea University Cardiovascular Center, Seoul, South Korea
| | - Hee Tae Yu
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Tae-Hoon Kim
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Jae-Sun Uhm
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Jong-Youn Kim
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Jong Il Choi
- Department of Internal Medicine, Korea University Cardiovascular Center, Seoul, South Korea
| | - Boyoung Joung
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Moon-Hyoung Lee
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Young-Hoon Kim
- Department of Internal Medicine, Korea University Cardiovascular Center, Seoul, South Korea
| | - Hui-Nam Pak
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
- Hui-Nam Pak
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22
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Kotb A, Chin SH, Ng GA. Recent advances in the tools available for atrial fibrillation ablation. Expert Rev Med Devices 2022; 19:141-154. [PMID: 35188431 DOI: 10.1080/17434440.2022.2038564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 02/02/2022] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Atrial fibrillation (AF) is the commonest arrhythmia in clinical practice with significant detrimental health impacts. Much effort has been spent in mapping AF, determine its triggers and drivers, and how to develop tools to eliminate these triggers. AREAS COVERED In this state of-the-art review article, we aim to highlight the recent techniques in catheter-based management of Atrial Fibrillation; including new advancements either in the catheter design or the software used. This includes a comprehensive summary of the most recent tools used in AF mapping and subsequent ablation. EXPERT OPINION Electrical isolation of the pulmonary veins has been developed and established as the cornerstone in AF ablation with good results in patients with paroxysmal AF (PAF) whilst new ablation tools are aimed at streamlining the procedure. However, the quest for persistent AF (PeAF) remains. The future of AF ablation, we believe, lies in identifying AF drivers by means of the new developing mapping tools and altering their electrical properties in a safe, reproducible, and effective manner.
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Affiliation(s)
- Ahmed Kotb
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- Department of Cardiology, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Shui Hao Chin
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- Department of Cardiology, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - G Andre Ng
- Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
- Department of Cardiology, University Hospitals of Leicester NHS Trust, Leicester, UK
- National Institute for Health Research Leicester Biomedical Research Centre, Leicester, UK
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23
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Heeger CH, Popescu SS, Saraei R, Kirstein B, Hatahet S, Samara O, Traub A, Fehe M, D'Ambrosio G, Keelani A, Schlüter M, Eitel C, Vogler J, Kuck KH, Tilz RR. Individualized or fixed approach to pulmonary vein isolation utilizing the fourth-generation cryoballoon in patients with paroxysmal atrial fibrillation: the randomized INDI-FREEZE trial. Europace 2021; 24:921-927. [PMID: 34907431 PMCID: PMC9282912 DOI: 10.1093/europace/euab305] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 12/06/2021] [Indexed: 11/13/2022] Open
Abstract
AIMS Cryoballoon (CB) based pulmonary vein isolation (PVI) is a widely used technique for treatment of atrial fibrillation (AF); however the ideal energy dosing has not yet been standardized. This was a single-centre randomized clinical trial aiming at assessing the safety, acute efficacy, and clinical outcome of an individualized vs. a fixed CB ablation protocol using the fourth-generation CB (CB4) guided by pulmonary vein (PV) potential recordings and CB temperature. METHODS AND RESULTS Patients were randomized in a 1:1 fashion to two different dosing protocols: INDI-FREEZE group (individualized protocol): freeze-cycle duration of time to effect plus 90 s or interruption of the freeze-cycle and repositioning CB if a CB temperature of -30°C was not within 40 s. Control group (fixed protocol): freeze-cycle duration of 180 s. No-bonus freeze-cycle was applied in either patient group. The primary endpoint was freedom from atrial tachyarrhythmia at 12 months. Secondary end points included procedural parameters and complications. A total of 100 patients with paroxysmal AF were prospectively enrolled. No difference was seen in the primary endpoint [INDI-FREEZE group: 38/47 (81%) vs. control group: 40/47, (85%), P = 0.583]. The total freezing time was significantly shorter in the INDI-FREEZE group (157 ± 56 s vs. 212 ± 83 s, P < 0.001), while procedure duration (57.9 ± 17.9 min vs. 63.2 ± 20.2 min, P = 0.172) was similar. No differences were seen in the minimum CB and oesophageal temperatures as well as in periprocedural complications. CONCLUSION Compared to the fixed protocol, the individualized approach provides a similar safety profile and clinical outcome, while reducing the total freezing time.
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Affiliation(s)
- Christian-Hendrik Heeger
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Lübeck, Germany
| | - Sorin Stefan Popescu
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany.,Carol Davila, University of Medicine and Pharmacy, Bucharest, Romania
| | - Roza Saraei
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Bettina Kirstein
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Sascha Hatahet
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Omar Samara
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Anna Traub
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Marcel Fehe
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Gabriele D'Ambrosio
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Ahmad Keelani
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | | | - Charlotte Eitel
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Julia Vogler
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany
| | - Karl-Heinz Kuck
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany.,LANS Cardio, Stephansplatz 5, 20354 Hamburg, Germany
| | - Roland Richard Tilz
- University Heart Center Lübeck, Division of Electrophysiology, Medical Clinic II (Department of Cardiology, Angiology and Intensive Care Medicine), University Hospital Schleswig-Holstein, Ratzeburger Allee 160, D-23538 Lübeck, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Lübeck, Germany
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24
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Nakano T, Suenari K, Okada A, Hyodo Y, Tomomori S, Higaki T, Oi K, Dai K, Kawase T, Nakama Y, Nishioka K, Otsuka M, Masaoka Y, Shiode N, Nakano Y. New Minimally Invasive and Tailor-Made Strategy for Cryoballoon Ablation in Patients With Paroxysmal Atrial Fibrillation. Heart Lung Circ 2021; 31:530-536. [PMID: 34753660 DOI: 10.1016/j.hlc.2021.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 09/14/2021] [Accepted: 10/10/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND The optimal dosage for cryoballoon ablation (CBA) of atrial fibrillation (AF) is still unknown. OBJECTIVE This study aimed to evaluate the clinical implications of a reduction in the freezing duration to <180 seconds during CBA guided by the time to the target temperature. METHODS This study enrolled 325 consecutive paroxysmal AF patients who underwent CBA. It was a retrospective observational study in a single centre. It compared 164 patients who underwent a tailor-made CBA procedure (group T) with 161 who had a standard CBA procedure (group S). In group T, the freezing duration was reduced to 150 seconds when the temperature reached ≤ -40 °C within 40 seconds. Furthermore, it was reduced to 120 seconds when it reached ≤ -50 °C within 60 seconds. In the other patients, the freezing duration was 180 seconds, except for excessive freezing of ≤ -60 °C and/or emergent situations while monitoring the oesophageal temperature, and for phrenic nerve injury, as in group S. RESULTS In group T, 89 patients (83%) underwent CBA with a reduction in the freezing duration. The total freezing time for each pulmonary vein was significantly shorter in group T than group S, and the total procedure time in group T decreased by an average of 4 minutes compared with group S. The rate of requiring additional radio frequency ablation following the CBA was significantly lower in group T than group S. The AF-free survival rate during the follow-up period (median, 366 days) was similar between the two groups. CONCLUSION The safety and efficacy of the new CBA strategy were non-inferior to the standard procedure.
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Affiliation(s)
- Takayuki Nakano
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan; Department of Cardiovascular Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Kazuyoshi Suenari
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan.
| | - Akira Okada
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Yohei Hyodo
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Shunsuke Tomomori
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Tadanao Higaki
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Kuniomi Oi
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Kazuoki Dai
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Tomoharu Kawase
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Yasuharu Nakama
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Kenji Nishioka
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Masaya Otsuka
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Yoshiko Masaoka
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Nobuo Shiode
- Department of Cardiology, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Yukiko Nakano
- Department of Cardiovascular Medicine, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
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25
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Chun J, Maurer T, Rillig A, Bordignon S, Iden L, Busch S, Steven D, Tilz RR, Shin DI, Estner H, Bourier F, Duncker D, Sommer P, Ewertsen NC, Jansen H, Johnson V, Bertagnolli L, Althoff T, Metzner A. [Practical guide for safe and efficient cryoballoon ablation for atrial fibrillation : Practical procedure, tips and tricks]. Herzschrittmacherther Elektrophysiol 2021; 32:550-562. [PMID: 34735629 DOI: 10.1007/s00399-021-00820-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 09/28/2021] [Indexed: 11/24/2022]
Abstract
In the current guidelines on treatment of atrial fibrillation, cryoballoon-based catheter ablation of atrial fibrillation is recommended in addition to radiofrequency ablation and has become established as a standard procedure in the clinical routine of many centers for index pulmonary vein isolation. A safe, simplified and often durable pulmonary vein isolation can be achieved by a systematic approach. This review article provides a practical guide for all steps of cryoballoon-based pulmonary vein isolation, including preprocedural preparation and postinterventional follow-up. Both cryoballoon systems currently available on the market are considered.
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Affiliation(s)
- Julian Chun
- Med. Klinik III, Markuskrankenhaus, Cardioangiologisches Centrum Bethanien - CCB, Wilhelm-Epstein-Str. 4, 60431, Frankfurt, Deutschland. .,Sektion für Elektrophysiologie, Medizinische Klinik II, Universitäres Herzzentrum Lübeck, Universitätsklinikum Schleswig-Holstein (UKSH), Lübeck, Deutschland.
| | - Tilman Maurer
- Klinik für Kardiologie, Asklepios Klinik St. Georg, Hamburg, Deutschland
| | - Andreas Rillig
- Universitäres Herzzentrum Hamburg, Universitätsklinikum Eppendorf, Hamburg, Deutschland
| | - Stefano Bordignon
- Med. Klinik III, Markuskrankenhaus, Cardioangiologisches Centrum Bethanien - CCB, Wilhelm-Epstein-Str. 4, 60431, Frankfurt, Deutschland
| | - Leon Iden
- Klinik für Kardiologie, Herz- und Gefäßzentrum Bad Segeberg, Bad Segeberg, Deutschland
| | - Sonia Busch
- Medizinische Klinik II, Klinikum Coburg GmbH, Coburg, Deutschland
| | - Daniel Steven
- Abteilung für Elektrophysiologie, Herzzentrum der Uniklinik Köln, Köln, Deutschland
| | - Roland R Tilz
- Sektion für Elektrophysiologie, Medizinische Klinik II, Universitäres Herzzentrum Lübeck, Universitätsklinikum Schleswig-Holstein (UKSH), Lübeck, Deutschland
| | - Dong-In Shin
- Klinik für Kardiologie, Herzzentrum Niederrhein, HELIOS Klinikum Krefeld, Krefeld, Deutschland.,Center for Clinical Medicine Witten-Herdecke, University Faculty of Health, Wuppertal, Deutschland
| | - Heidi Estner
- Medizinische Klinik und Poliklinik I, LMU Klinikum der Universität München, München, Deutschland
| | - Felix Bourier
- Klinik für Herz- und Kreislauferkrankungen, Deutsches Herzzentrum München, München, Deutschland
| | - David Duncker
- Hannover Herzrhythmus Centrum, Klinik für Kardiologie und Angiologie, Medizinische Hochschule Hannover, Hannover, Deutschland
| | - Philipp Sommer
- Klinik für Elektrophysiologie/Rhythmologie, Herz- und Diabeteszentrum NRW, Ruhr-Universität Bochum, Bad Oeynhausen, Deutschland
| | - Nils-Christian Ewertsen
- Klinik für Innere Medizin - Kardiologie und konservative Intensivmedizin, Vivantes Klinikum Am Urban, Berliner-Herzrhythmus-Zentrum, Berlin, Deutschland
| | | | - Victoria Johnson
- Klinik für Innere Medizin, Universitätsklinikum Gießen, Gießen, Deutschland
| | - Livio Bertagnolli
- Abteilung für Rhythmologie, Herzzentrum HELIOS Leipzig, Leipzig, Deutschland
| | - Till Althoff
- Med. Klinik m.S. Kardiologie u. Angiologie, Charité - Universitätsmedizin Medizin Berlin, Berlin, Deutschland
| | - Andreas Metzner
- Universitäres Herzzentrum Hamburg, Universitätsklinikum Eppendorf, Hamburg, Deutschland
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26
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Park JW, Yang SY, Kim M, Yu HT, Kim TH, Uhm JS, Joung B, Lee MH, Pak HN. Efficacy and Safety of High-Power Short-Duration Radiofrequency Catheter Ablation of Atrial Fibrillation. Front Cardiovasc Med 2021; 8:709585. [PMID: 34692779 PMCID: PMC8530188 DOI: 10.3389/fcvm.2021.709585] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 09/13/2021] [Indexed: 11/29/2022] Open
Abstract
Introduction: Whereas, high-power short-duration (HPSD) radiofrequency (RF) ablation is generally used in atrial fibrillation (AF) catheter ablation (CA), its efficacy, safety, and influence on autonomic function have not been well established in a large population. This study compared HPSD-AFCA and conventional power (ConvP)-AFCA in propensity score matched-population. Methods: In 3,045 consecutive patients who underwent AFCA, this study included 1,260 patients (73.9% male, 59 ± 10 years old, 58.2% paroxysmal type) after propensity score matching: 315 in 50~60W HPSD group vs. 945 in the ConvP group. This study investigated the procedural factors, complication rate, rhythm status, and 3-month heart rate variability (HRV) between the two groups and subgroups. Results: Procedure time was considerably short in the HPSD group (135 min in HPSD vs. 181 min in ConvP, p < 0.001) compared to ConvP group, but there was no significant difference in the complication rate (2.9% in HPSD vs. 3.7% in ConvP, p = 0.477) and the 3-month HRV between the two groups. At the one-year follow-up, there was no significant difference in rhythm outcomes between the two groups (Overall, Log-rank p = 0.885; anti-arrhythmic drug free, Log-rank p = 0.673). These efficacy and safety outcomes were consistently similar irrespective of the AF type or ablation lesion set. The Cox regression analysis showed that the left atrium volume index estimated by computed tomography (HR 1.01 [1.00–1.02]), p = 0.003) and extra-pulmonary vein triggers (HR 1.59 [1.03–2.44], p = 0.036) were independently associated with one-year clinical recurrence, whereas the HPSD ablation was not (HR 1.03 [0.73–1.44], p = 0.887). Conclusion: HPSD-AFCA notably reduced the procedure time with similar rhythm outcomes, complication rate, and influence on autonomic function as ConvP-AFCA, irrespective of the AF type or ablation lesion set.
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Affiliation(s)
- Je-Wook Park
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Song-Yi Yang
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Min Kim
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Hee Tae Yu
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Tae-Hoon Kim
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Jae-Sun Uhm
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Boyoung Joung
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Moon-Hyoung Lee
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
| | - Hui-Nam Pak
- Division of Cardiology, Yonsei University Health System, Seoul, South Korea
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27
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Tohoku S, Bordignon S, Chen S, Zanchi S, Bianchini L, Trolese L, Operhalski F, Urbanek L, Chun KRJ, Schmidt B. Single-sweep pulmonary vein isolation using the new third-generation laser balloon-Evolution in ablation style using endoscopic ablation system. J Cardiovasc Electrophysiol 2021; 32:2923-2932. [PMID: 34535929 DOI: 10.1111/jce.15245] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 08/25/2021] [Accepted: 09/08/2021] [Indexed: 01/24/2023]
Abstract
BACKGROUND The endoscopic ablation system (EAS) is an established ablation device for pulmonary vein isolation (PVI) in patients with atrial fibrillation (AF). The novel X3 EAS is now equipped with a contiguous circumferential ablation mode (RAPID mode). AIM To determine the feasibility of single-shot fashioned ablation using X3. METHODS Consecutive patients who underwent AF ablation using X3 were enrolled. We assessed the acute procedural data focusing on "Single-sweep PVI" defined as successful PVI with a single RAPID mode energy application, and on "first-pass isolation" defined as successful PVI after initial circular lesion set. RESULTS One hundred AF patients (56% male, age: 68 ± 10 years, 66% paroxysmal AF) were analyzed. A total of 379 of 383 PVs (99%) were isolated with X3. Single-sweep PVI and first-pass-isolation were achieved in 214 PVs (56%) and in 362 PVs (95%), respectively. Single-sweep PVI rates varied across PVs with higher rates at the superior PVs (61.2% vs. inferior PVs: 49.5%, p = .0239) and at PVs with maximal ostial diameter <24 mm (57.6% vs. >24 mm: 36.8%, p = .0151). The mean total procedure and fluoroscopy times were 43.0 ± 10 and 4.0 ± 2 min, respectively. In none of the patients an acute thromboembolic event (stroke or transient ischemic attack) or a pericardial effusion/tamponade occurred. A single transient phrenic nerve palsy was observed. CONCLUSION The new X3 EAS allows for single-shot fashioned ablation in terms of single-sweep PVI in half or more of PVs. The new RAPID ablation mode leads to an improved rate of first-pass isolation associated with very short procedure times without compromising safety.
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Affiliation(s)
- Shota Tohoku
- Cardioangiologisches Centrum Bethanien, Frankfurt, Germany
| | | | - Shaojie Chen
- Cardioangiologisches Centrum Bethanien, Frankfurt, Germany.,Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
| | - Simone Zanchi
- Cardioangiologisches Centrum Bethanien, Frankfurt, Germany
| | | | - Luca Trolese
- Universitäts Herzzentrum Freiburg-Bad Krozingen, Klinik für Kardiologie und Angiologie I, Freiburg, Germany
| | - Felix Operhalski
- Universitätsklinikum Frankfurt, Medizinische Klinik 3-Klinik für Kardiologie, Frankfurt, Germany
| | - Lukas Urbanek
- Cardioangiologisches Centrum Bethanien, Frankfurt, Germany
| | - K R Julian Chun
- Cardioangiologisches Centrum Bethanien, Frankfurt, Germany.,Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
| | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien, Frankfurt, Germany.,Universitätsklinikum Frankfurt, Medizinische Klinik 3-Klinik für Kardiologie, Frankfurt, Germany
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28
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Chen S, Pürerfellner H, Ouyang F, Kiuchi MG, Meyer C, Martinek M, Futyma P, Zhu L, Schratter A, Wang J, Acou WJ, Ling Z, Yin Y, Liu S, Sommer P, Schmidt B, Chun JKR. Catheter ablation vs. antiarrhythmic drugs as 'first-line' initial therapy for atrial fibrillation: a pooled analysis of randomized data. Europace 2021; 23:1950-1960. [PMID: 34405878 DOI: 10.1093/europace/euab185] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 07/05/2021] [Indexed: 12/25/2022] Open
Abstract
AIMS Catheter ablation (CA) is recommended for patients with atrial fibrillation (AF) after failure of antiarrhythmic drugs (AADs). The role of CA as 'initial therapy' for AF is to be determined. METHODS AND RESULTS Following PRISMA guideline an up-to-date pooled analysis of randomized data comparing ablation vs. AADs as first-line therapy for symptomatic AF was performed. The primary outcome was recurrence of atrial tachyarrhythmia. The secondary outcomes were improvement in quality-of-life (QoL) and major adverse events. A total of 997 patients from five randomized trials were enrolled (mean age 57.4 years, 68.6% male patients, 98% paroxysmal AF, mean follow-up 1.4 years). The baseline characteristics were similar between the ablation and AADs group. Overall pooled analysis showed that, as compared with AADs, CA as first-line therapy was associated with significantly higher freedom from arrhythmia recurrence (69% vs. 48%, odds ratio: 0.36, 95% confidence interval: 0.27-0.48, P < 0.001). This significance was maintained in subgroup analyses of 1- and 2-year follow-up (P < 0.001). Catheter ablation was associated with significantly greater improvement in QoL regarding AFEQT score and 36-Item Short-Form Health Survey score. The incidence of serious adverse events between ablation and AADs group (5.6% vs. 4.9%, P = 0.62) was similar. CONCLUSIONS Catheter ablation as 'initial therapy' was superior to AADs in maintenance of sinus rhythm and improving QoL for patients with symptomatic paroxysmal AF, without increasing risk of serious adverse events.
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Affiliation(s)
- Shaojie Chen
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Wilhelm-Epstein Straße 4, Frankfurt am Main 60431, Germany.,Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
| | - Helmut Pürerfellner
- Department für Kardiologie und Elektrophysiologie, Akademisches Lehrkrankenhaus, Ordensklinikum Linz Elisabethinen, Linz, Austria
| | - Feifan Ouyang
- Klinik und Poliklinik für Kardiologie, Universitäres Herz und Gefäßzentrum, Universitätsklinikum Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Márcio Galindo Kiuchi
- School of Medicine-Royal Perth Hospital Unit, University of Western Australia, Perth, Australia
| | - Christian Meyer
- Department of Cardiology, cNEP, Cardiac Neuro- & Electrophysiology Research Group, University Heart & Vascular Center Hamburg, University Hospital Hamburg-Eppendorf, Hamburg, Germany.,DZHK (German Center for Cardiovascular Research), Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany.,Department of Cardiology, Evangelical Hospital Düsseldorf, Düsseldorf, Germany.,Heinrich-Heine-University Hospital Düsseldorf, Düsseldorf, Germany
| | - Martin Martinek
- Department für Kardiologie und Elektrophysiologie, Akademisches Lehrkrankenhaus, Ordensklinikum Linz Elisabethinen, Linz, Austria
| | - Piotr Futyma
- St. Joseph's Heart Rhythm Center, Rzeszów, Poland
| | - Lin Zhu
- Medizinisch-Geriatrische Klinik, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany
| | - Alexandra Schratter
- Medizinische Abteilung mit Kardiologie, Krankenhaus Hietzing Wien, Vienna, Austria
| | - Jiazhi Wang
- Intensivmedizin, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | | | - Zhiyu Ling
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yuehui Yin
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Shaowen Liu
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Philipp Sommer
- Klinik für Elektrophysiologie/Rhythmologie, Herz- und Diabeteszentrum Nordrhein-Westfalen, Universitätsklinik der Ruhr-Universität Bochum, Bad Oeynhausen, Germany
| | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Wilhelm-Epstein Straße 4, Frankfurt am Main 60431, Germany
| | - Julian K R Chun
- Cardioangiologisches Centrum Bethanien (CCB), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Wilhelm-Epstein Straße 4, Frankfurt am Main 60431, Germany.,Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
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29
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Bordignon S, Chen S, Bologna F, Thohoku S, Urbanek L, Willems F, Zanchi S, Bianchini L, Trolese L, Konstantinou A, Fuernkranz A, Schmidt B, Chun JKR. Optimizing cryoballoon pulmonary vein isolation: lessons from >1000 procedures- the Frankfurt approach. Europace 2021; 23:868-877. [PMID: 33458770 DOI: 10.1093/europace/euaa406] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
AIMS Cryoballoon (CB) pulmonary vein isolation (PVI) is an accepted ablation strategy for rhythm control in atrial fibrillation (AF). We describe efficacy and safety in a high volume centre with a long experience in the use of the second-generation CB (CB2). METHODS AND RESULTS Consecutive paroxysmal AF (PAF) or persistent AF (persAF) patients undergoing CB2-PVI were enrolled. Procedural data, efficacy, and safety issues were systematically collected. The 28 mm CB2 was used in combination with an inner lumen spiral catheter, a luminal oesophageal temperature (LET) probe was used with a cut-off of 15°C, the phrenic nerve (PN) monitored during septal PVs ablation. Freeze duration was mainly set at 240 s with a bonus application in case of delayed time-to-isolation (TTI > 75 s). A total of 1017 CB2 procedures were analysed (58% male, 66 ± 12 years old, 70% with PAF). 3964 PVs were identified, 99.8% PVs isolated using solely the 28 mm CB. Mean procedure time was 69 ± 25 min, TTI during the first application was recorded in 77% of PVs after a mean of 48 ± 31 s. We recorded 0.2% cardiac tamponade, 4.8% PN injury (1.6% of PN palsy), and 19% of LET < 15°C. Among 725 patients with follow-up data, 84% with PAF and 75% with persAF were in stable SR at 1 year. Shorter freezing duration and longer TTI were procedural predictors for recurrence. CONCLUSION Cryoballoon procedures are fast and associated with a benign safety profile. Shorter TTI and longer freeze durations are associated with sinus rhythm during follow-up.
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Affiliation(s)
- Stefano Bordignon
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
| | - Shaojie Chen
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
| | - Fabrizio Bologna
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
| | - Shota Thohoku
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
| | - Lukas Urbanek
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
| | - Franziska Willems
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
| | | | | | - Luca Trolese
- Herzzentrum Uniklinik Freiburg, Freiburg, Germany
| | - Athanasios Konstantinou
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
| | | | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
| | - Julian K R Chun
- Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Wilhelm-Epstein Street 4, 60431 Frankfurt/M., Germany
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30
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Farkowski MM, Karlinski M, Barra S, Providencia R, Golicki D, Pytkowski M, Anic A, Chun JKR, de Asmundis C, Lane DA, Boveda S. Effectiveness and safety of a single freeze strategy of cryoballoon ablation of atrial fibrillation: an EHRA systematic review and meta-analysis. Europace 2021; 24:58-69. [PMID: 34297839 DOI: 10.1093/europace/euab133] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/01/2021] [Indexed: 12/25/2022] Open
Abstract
To conduct a systematic review and meta-analysis to compare the effectiveness and safety of cryoballoon ablation of atrial fibrillation (AF) performed using a single freeze strategy in comparison to an empiric double ('bonus') freeze strategy. We systematically searched MEDLINE, EMBASE, and CENTRAL databases from inception to 12 July 2020, for prospective and retrospective studies of patients undergoing cryoballoon for paroxysmal or persistent AF comparing a single vs. bonus freeze strategy. The main outcome was atrial arrhythmia-free survival and eligible studies required at least 12 months of follow-up; the primary safety outcome was a composite of all complications. Study quality was assessed using the Cochrane risk of bias tool and the Newcastle-Ottawa Scale. Thirteen studies (3 randomized controlled trials and 10 observational studies) comprising 3163 patients were eligible for inclusion (64% males, 71.5% paroxysmal AF, mean CHA2DS2-VASc score 1.3 ± 0.9). There was no significant difference in pooled effectiveness between single freeze strategy compared to double freeze strategy [relative risk (RR) 1.03; 95% confidence interval (CI): 0.98-1.07; I2 = 0%]. Single freeze procedures were associated with a significantly lower adverse event rate (RR 0.72; 95% CI: 0.53-0.98; I2 = 0%) and shorter average procedure time (90 ± 27 min vs. 121 ± 36 min, P < 0.001). A trend for lower risk of persistent phrenic nerve palsy was observed (RR 0.61; 95% CI: 0.37-1.01; I2 = 0%). The quality of included studies was moderate/good, with no evidence of significant publication bias. Single freeze strategy for cryoballoon of AF is as effective as an empiric double ('bonus') freeze strategy while appearing safer and probably quicker (PROSPERO registration number CRD42020158696).
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Affiliation(s)
- Michal Miroslaw Farkowski
- 2nd Department of Heart Arrhythmia, National Institute of Cardiology, Alpejska 42, 04-628 Warsaw, Poland
| | - Michal Karlinski
- 2nd Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland
| | - Sergio Barra
- Cardiology Department, Hospital da Luz Arrabida, V. N. Gaia, Portugal
- Cardiology Department, Royal Papworth Hospital NHS Foundation Trust, Cambridge, UK
| | - Rui Providencia
- St Bartholomew's Hospital, Barts Heart Centre, Barts Health NHS Trust, London, UK
- Institute of Health Informatics, University College of London, London, UK
| | - Dominik Golicki
- Department of Experimental and Clinical Pharmacology, Medical University of Warsaw, Warsaw, Poland
| | - Mariusz Pytkowski
- 2nd Department of Heart Arrhythmia, National Institute of Cardiology, Alpejska 42, 04-628 Warsaw, Poland
| | - Ante Anic
- Department for Cardiovascular Diseases, University Hospital Split, Split, Croatia
| | - Julian Kyoung Ryul Chun
- CCB Frankfurt/Med. Klinik III, Markuskrankenhaus, Frankfurt am Main, Germany
- Med. Klinik II, Universtätsklinikum Schleswig Holstein, Campus Lübeck, Germany
| | - Carlo de Asmundis
- Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Brussels, Belgium
| | - Deirdre Anne Lane
- Liverpool Centre for Cardiovascular Sciences, University of Liverpool, Liverpool, UK
- Liverpool Heart and Chest Hospital, Liverpool, UK
| | - Serge Boveda
- Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Brussels, Belgium
- Heart Rhythm Management Department, Clinique Pasteur, Toulouse, France
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31
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Methods to Optimize Cryoballoon Ablation for Atrial Fibrillation to Minimize Risk of Adverse Outcomes and Arrhythmia Recurrences. CURRENT CARDIOVASCULAR RISK REPORTS 2021. [DOI: 10.1007/s12170-021-00668-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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32
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Rzaev FH, Rachkova II, Nikolaeva OA, Gorev MV, Nardaia SG, Makarycheva OV, Vasilieva EY, Shpektor AV. Duration of Applications Affects the Long-Term Efficacy of Cryoballoon Ablation Pulmonary Veins. ACTA ACUST UNITED AC 2021; 61:28-35. [PMID: 33734053 DOI: 10.18087/cardio.2021.1.n1365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/18/2020] [Indexed: 11/18/2022]
Abstract
Aim To evaluate the effect of cryo-exposure duration and the use of the Achieve circular mapping catheter on efficacy of cryoballoon ablation (CBA).Material and methods CBA of pulmonary vein ostia (PVO) is a major method for heart rhythm control in patients with atrial fibrillation (AF). Since the inception, the PVO CBA method has evolved; the recommended application time was changed, and the Achieve circular catheter appeared. We performed a retrospective analysis of PVO CBA administered to patients with AF in the I.V. Davydovsky Municipal Clinical Hospital from 2017 through 2019. The study included 100 patients with available clinical and demographic characteristics and remote results of the intervention. Three patient groups were analyzed based on differences in surgical techniques: group 1, Guidewire / 240 (n=31) with the cryoballoon placing on a guidewire and PVO exposure duration of 240 s; group 2, Guidewire / 180 (n=26) with the cryoballoon placing on a guidewire and PVO exposure duration of 180 s; and group 3, Achieve / 180 (n=43) with the cryoballoon placing on the mapping catheter Achieve and PVO exposure duration of 180 с. The follow-up period was 33.2±4.5, 15.2±6.1, and 12.2±4.1 months in the Guidewire / 240, Guidewire / 180, and Achieve / 180 groups, respectively. The intervention was considered effective when there was no relapse at the time of interview. A relapse of AF was determined as one or more paroxysms recorded on electrocardiogram (ECG) or during 24-h ECG monitoring; the "blind period" (first 3 months after the procedure) was excluded from the follow-up. Safety evaluation included clinically significant complications, such as phrenic nerve damage, hemopericardium, gastroparesis, hemoptysis, acute cerebrovascular disease, and formation of atrio-esophageal fistula. Effects of independent factors were determined with binary logistic regression.Results In the Guidewire / 240 group, efficacy of PVO CBA for the maximum follow-up period was 74.4%, which was significantly different from the value for the Guidewire / 180 group (57.7 %, р=0.015). At the same time, the difference between the Guidewire / 240 and Achieve / 180 groups was statistically non-significant for a comparable follow-up period (р=0.144). Clinically significant complications were absent in all 3 groups. The independent factors that significantly increased the PVO CBA efficacy were the cryo-exposure duration of 240 s compared to 180 s (р= 0.018) and the use of the Achieve catheter (р=0.014).Conclusion Decreasing the cryo-exposure duration to less than 240 s is impractical (in absence of Achieve mapping catheter) since it impairs the long-term efficacy of PVO CBA and does not influence the risk of complications.
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Affiliation(s)
- F H Rzaev
- Clinical City Hospital named after I.V. Davydovsky, Moscow Department of Healthcare, Moscow
| | - Iu I Rachkova
- Clinical City Hospital named after I.V. Davydovsky, Moscow Department of Healthcare, Moscow
| | - O A Nikolaeva
- Clinical City Hospital named after I.V. Davydovsky, Moscow Department of Healthcare, Moscow
| | - M V Gorev
- Clinical City Hospital named after I.V. Davydovsky, Moscow Department of Healthcare, Moscow
| | - Sh G Nardaia
- Clinical City Hospital named after I.V. Davydovsky, Moscow Department of Healthcare, Moscow
| | - O V Makarycheva
- Moscow State University of Medicine and Dentistry named after A.I. Evdokimov, Moscow
| | - E Yu Vasilieva
- Moscow State University of Medicine and Dentistry named after A.I. Evdokimov, Moscow
| | - A V Shpektor
- Moscow State University of Medicine and Dentistry named after A.I. Evdokimov, Moscow
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33
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Chen S, Schmidt B, Bordignon S, Tohoku S, Urban VC, Schulte-Hahn B, Chun KRJ. Catheter ablation of atrial fibrillation using ablation index-guided high-power technique: Frankfurt AI high-power 15-month follow-up. J Cardiovasc Electrophysiol 2021; 32:616-624. [PMID: 33484215 DOI: 10.1111/jce.14912] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/21/2020] [Accepted: 12/13/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND Radiofrequency (RF) high-power ablation appears to be a novel concept in treating atrial fibrillation (AF). The ablation-index (AI) has been linked with the durability of pulmonary vein isolation (PVI). To report the midterm clinical results of a new ablation strategy using AI-guided high-power (50 W) ablation (AI-HP). METHODS AND RESULTS Symptomatic AF patients were included and underwent wide-area circumferential PVI. Contact-force catheters were used, RF power was set to 50 W targeting AI values (550/400 for anterior/posterior) and interlesion distance 6 mm. Luminal esophageal temperature (LET) was monitored during the procedure; patients with LET ≥39°C underwent post-ablation esophageal-endoscopy. Seventy-two-hour-Holter ECGs were scheduled during follow-up. Procedural PVI was achieved in all (N = 122; mean age, 68.2 years; male, 71.3%) patients, rate of first-pass PVI was 96.7% per patient. Procedural mean RF time was 11.5 min, and mean RF time during posterior wall segment was 3.1 min. Per RF-lesion, the mean contact force, RF duration, AI, and impedance-drop at anterior/posterior wall were 26 ± 14 g/23 ± 12 g, 16.2 ± 7.5 s/8.8 ± 3.6 s, 552 ± 53/438 ± 47, and 13 ± 6 Ω/9 ± 5 Ω, respectively. Mean PVI procedural-time, 55.8 min; mean procedural fluoroscopic time, 5.6 min. Three (2.5%) patients had asymptomatic endoscopic small erosion/erythema esophageal lesions, no serious adverse events were observed. During a 15-month follow-up, overall single-procedure freedom from clinical recurrence of AF/atrial tachycardia (AT) off antiarrhythmic drug after blanking period was 85.2% (89.4% for paroxysmal AF, 80.4% for persistent AF). CONCLUSION The AI-HP (50 W) appears as an efficient ablation technique in treating AF and leads to a high single-procedure arrhythmia-free survival at 15 months.
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Affiliation(s)
- Shaojie Chen
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy for Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany.,Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
| | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy for Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany
| | - Stefano Bordignon
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy for Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany
| | - Shota Tohoku
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy for Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany
| | - Verena C Urban
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy for Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany
| | - Britta Schulte-Hahn
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy for Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany
| | - K R Julian Chun
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy for Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe-Universität Frankfurt am Main, Frankfurt am Main, Germany.,Medizinische Klinik II, Kardiologie/Angiologie/Intensivmedizin, Universitätsklinikum Schleswig-Holstein, Universität zu Lübeck, Lübeck, Germany
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34
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Chen S, Schmidt B, Bordignon S, Tohoku S, Chun KRJ. Pulmonary vein isolation using cryoballoon technique in atrial fibrillation patient after Greenfield vena cava filter implantation. Glob Cardiol Sci Pract 2020; 2020:e202021. [PMID: 33426038 PMCID: PMC7768625 DOI: 10.21542/gcsp.2020.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Cryoballoon ablation is an established procedure for atrial fibrillation (AF). Patient with vena cava filter undergoing pulmonary vein isolation (PVI) were seldom reported. Case presentation: We describe an AF ablation technique using the second generation cryoballoon in a patient after vena cava filter implantation. All pulmonary veins were successfully isolated without complication. Conclusions: For AF patient with previously implanted vena cava filter, cryoballoon based PVI appears feasible and safe.
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Affiliation(s)
- Shaojie Chen
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany.,Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
| | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany
| | - Stefano Bordignon
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany
| | - Shota Tohoku
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany.,Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
| | - K R Julian Chun
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA), Kardiologie, Medizinische Klinik III, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany.,Die Sektion Medizin, Universität zu Lübeck, Lübeck, Germany
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35
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Catheter ablation of atrial fibrillation using ablation index–guided high power (50 W) for pulmonary vein isolation with or without esophageal temperature probe (the AI-HP ESO II). Heart Rhythm 2020; 17:1833-1840. [DOI: 10.1016/j.hrthm.2020.05.029] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/12/2020] [Accepted: 05/13/2020] [Indexed: 01/21/2023]
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36
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Molenaar MMD, Hesselink T, Ter Bekke RMA, Scholten MF, Manusama R, Pison L, Brusse-Keizer M, Kraaier K, Ten Haken B, Grandjean JG, Timmermans CC, van Opstal JM. Shorter RSPV cryoapplications result in less phrenic nerve injury and similar 1-year freedom from atrial fibrillation. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2020; 43:1173-1179. [PMID: 32901950 DOI: 10.1111/pace.14062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 07/26/2020] [Accepted: 09/06/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND In the 123-study, we prospectively assessed, in a randomized fashion, the minimal cryoballoon application time necessary to achieve pulmonary vein (PV) isolation (PVI) in patients with paroxysmal atrial fibrillation (AF) with the aim to reduce complications by shortening the application duration. The first results of this study demonstrated that shortened cryoballoon applications (<2 minutes) resulted in less phrenic nerve injury (PNI) without compromising acute isolation efficacy for the right PVs. We now report the 1-year follow-up results regarding safety and efficacy of shorter cryoballoon applications. METHODS A total of 222 patients with AF were randomized to two applications of 1 min "short," 2 min "medium," or 3 min "long" duration, 74 per group. Recurrence of AF and PV reconduction at 1-year follow-up were assessed. RESULTS The overall 1-year freedom from AF was 79% and did not differ significantly between the short, medium, and long application groups (77%, 74%, and 85% for short, medium, and long application groups, respectively; P = 0.07). In 30 patients, a redo PVI procedure was performed. For all four PVs, there was no significant difference in reconduction between the three groups. Reconduction was most common in the left superior PV (57%). The right superior PV (RSPV) showed significantly less reconduction (17%) compared to the other PVs. CONCLUSIONS Shortening cryoballoon applications of the RSPV to <2 minutes results in less PNI, while acute success and 1-year freedom from AF are not compromised. Therefore, shorter cryoballoon applications (especially) in the RSPV could be used to reduce PNI.
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Affiliation(s)
- Marleen M D Molenaar
- Medisch Spectrum Twente, Enschede, The Netherlands.,Universiteit Twente, Enschede, The Netherlands
| | | | | | | | - Randy Manusama
- Maastricht University Medical Centre, Maastricht, The Netherlands
| | | | | | - Karin Kraaier
- Medisch Centrum Leeuwarden, Leeuwarden, The Netherlands
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37
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Wissner E. Ablation of atrial fibrillation using the fourth-generation cryoballoon Arctic Front Advance PRO. Future Cardiol 2020; 17:81-87. [PMID: 32744064 DOI: 10.2217/fca-2020-0066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The cryoballoon (CB) is a popular ablation technology used for pulmonary vein isolation. The fourth-generation CB, Arctic Front Advance PRO features a 40% shorter distal tip but retains the internal design from its second-generation predecessor. The Arctic Front Advance PRO and the second-generation CB demonstrated similar thermodynamic characteristics in a computational model. Several observational and retrospective studies established the acute safety and efficacy of the Arctic Front Advance PRO. Real-time electrical isolation was observed in 75-85% of pulmonary veins targeted with the Arctic Front Advance PRO resulting in shorter fluoroscopy and procedure times.
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Affiliation(s)
- Erik Wissner
- Division of Cardiology, University of Illinois at Chicago 840 S Wood St, 905S (MC715) Chicago, IL 60612, USA
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38
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Tohoku S, Chen S, Last J, Bordignon S, Bologna F, Trolese L, Zanchi S, Bianchini L, Schmidt B, Chun KRJ. Phrenic nerve injury in atrial fibrillation ablation using balloon catheters: Incidence, characteristics, and clinical recovery course. J Cardiovasc Electrophysiol 2020; 31:1932-1941. [DOI: 10.1111/jce.14567] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 05/12/2020] [Indexed: 08/29/2023]
Affiliation(s)
- Shota Tohoku
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Shaojie Chen
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
- Die Sektion MedizinUniversität zu Lübeck Lübeck Germany
| | - Jana Last
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Stefano Bordignon
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Fabrizio Bologna
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Luca Trolese
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Simone Zanchi
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Lorenzo Bianchini
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - K. R. Julian Chun
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Abteilung für Kardiologie, Medizinische Klinik III, Agaplesion Markus KrankenhausAkademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
- Die Sektion MedizinUniversität zu Lübeck Lübeck Germany
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39
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Chen S, Schmidt B, Bordignon S, Tohoku S, Urbanek L, Plank K, Willems F, Throm C, Konstantinou A, Hilbert M, Zanchi S, Bianchini L, Bologna F, Tsianakas N, Kreuzer C, Nagase T, Perrotta L, Last J, Chun KRJ. Cryoballoon pulmonary vein isolation in treating atrial fibrillation using different freeze protocols: The “ICE‐T 4 minutes vs 3 minutes” propensity‐matched study (Frankfurt ICE‐T 4 vs. 3). J Cardiovasc Electrophysiol 2020; 31:1923-1931. [DOI: 10.1111/jce.14602] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 05/31/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Shaojie Chen
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
- Die Sektion MedizinUniversität zu Lübeck Lübeck Germany
| | - Boris Schmidt
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Stefano Bordignon
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Shota Tohoku
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Lukas Urbanek
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Karin Plank
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Franziska Willems
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Christina Throm
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Athanasios Konstantinou
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Max Hilbert
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Simone Zanchi
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Lorenzo Bianchini
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Fabrizio Bologna
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Nikolaos Tsianakas
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Claudia Kreuzer
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Takahiko Nagase
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Laura Perrotta
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - Jana Last
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
| | - K. R. Julian Chun
- Cardioangiologisches Centrum Bethanien (CCB), Frankfurt Academy For Arrhythmias (FAFA); Kardiologie, Medizinische Klinik IIIAgaplesion Markus Krankenhaus, Akademisches Lehrkrankenhaus der Goethe‐Universität Frankfurt am Main Frankfurt am Main Germany
- Medizinische Klinik II, Kardiologie/Angiologie/IntensivmedizinUniversitätsklinikum Schleswig‐Holstein, Universität zu Lübeck Lübeck Germany
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Strategies to Improve the Outcome of Cryoballoon Ablation in the Treatment of Atrial Fibrillation. BIOMED RESEARCH INTERNATIONAL 2020; 2020:6720481. [PMID: 32337265 PMCID: PMC7166274 DOI: 10.1155/2020/6720481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 03/24/2020] [Indexed: 11/18/2022]
Abstract
Atrial fibrillation (AF) is a common arrhythmia contributing to severe outcomes, including cardiac dysfunction and stroke, and it has drawn great attention around the world. Drug therapies have been available for many years to terminate AF and control heart rate. However, the results from clinical studies on drug therapies have been discouraging. Mounting evidence indicates that radiofrequency catheter ablation (RFCA) is a safe and effective method to maintain sinus rhythm, especially in patients who are drug intolerant or for whom the drugs are ineffective, although it is a technically demanding and complex procedure. Fortunately, a novel application, cryoballoon ablation (CBA), with outstanding characteristics has been widely used. Great outcomes based on CBA have manifested its significant role in the treatment of AF. However, how to improve the safety and efficacy of CBA is a question that has not been well-answered. Would it be helpful to develop a different generation of cryoballoon? Is bonus freezing beneficial, or not? Is it better to prolong freezing time? Dose CBA combined with RFCA bring higher success rates? In this review, we comprehensively summarized useful applications for improving outcomes of CBA in AF patients.
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Abstract
Cryoballoon ablation for the treatment of atrial fibrillation has established itself as an effective and efficient modality for achieving pulmonary vein isolation. Over the past 13 years more than 100,000 Cryoballoon ablation procedures have been performed with the first to fourth generation cryoballoons. Over that time there have been significant advances in our understanding regarding the optimal procedural techniques. The purpose of this "topic in review" is to focus on the practical aspects of performing a Cryoballoon ablation procedure, within the context of the contemporary literature. Specifically there is a focus on how contemporary studies can inform clinical decision making and ensure operators are able to perform a safe and effective procedure.
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Affiliation(s)
- Jason G Andrade
- Montreal Heart Institute, Department of Medicine, Université de Montréal, Montreal, Canada.,Heart Rhythm Services, Department of Medicine, University of British Columbia, Vancouver, Canada.,Center for Cardiovascular Innovation, Vancouver, Canada
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Shigeta T, Okishige K, Nishimura T, Aoyagi H, Yoshida H, Nakamura R, Hirao T, Sasano T, Hirao K, Yamauchi Y. Clinical investigation of the durability of the lesions created by left atrial linear ablation with a cryoballoon. J Cardiovasc Electrophysiol 2020; 31:875-884. [DOI: 10.1111/jce.14379] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 01/19/2020] [Accepted: 01/30/2020] [Indexed: 01/02/2023]
Affiliation(s)
- Takatoshi Shigeta
- Heart CenterJapan Red Cross Yokohama City Bay Hospital Yokohama Japan
| | - Kaoru Okishige
- Heart CenterJapan Red Cross Yokohama City Bay Hospital Yokohama Japan
| | - Takuro Nishimura
- Heart CenterJapan Red Cross Yokohama City Bay Hospital Yokohama Japan
| | - Hideshi Aoyagi
- Heart CenterJapan Red Cross Yokohama City Bay Hospital Yokohama Japan
| | - Hiroshi Yoshida
- Heart CenterJapan Red Cross Yokohama City Bay Hospital Yokohama Japan
| | - Rena Nakamura
- Heart CenterJapan Red Cross Yokohama City Bay Hospital Yokohama Japan
| | - Tatsuhiko Hirao
- Heart CenterJapan Red Cross Yokohama City Bay Hospital Yokohama Japan
| | - Tetsuo Sasano
- Arrhythmia CenterTokyo Medical and Dental University Tokyo Japan
| | - Kenzo Hirao
- Arrhythmia CenterTokyo Medical and Dental University Tokyo Japan
| | - Yasuteru Yamauchi
- Heart CenterJapan Red Cross Yokohama City Bay Hospital Yokohama Japan
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Aryana A, Braegelmann KM, Lim HW, Ellenbogen KA. Cryoballoon ablation dosing: From the bench to the bedside and back. Heart Rhythm 2020; 17:1185-1192. [PMID: 32142876 DOI: 10.1016/j.hrthm.2020.02.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 02/24/2020] [Indexed: 11/16/2022]
Abstract
To date, multiple modes of research have been leveraged to study the optimal cryoballoon ablation parameters to safely, effectively, and efficiently isolate the pulmonary veins for the treatment of atrial fibrillation. Basic scientific investigation, preclinical studies, clinical observations, trials, and, more recently, computational modeling have helped to generate and test new hypotheses for the advancement of cryoballoon treatment in patients with atrial fibrillation. In this review, we examine the data and evidence that have contributed to the development of patient-tailored dosing strategies that are currently used for pulmonary vein isolation by using the Arctic Front series of cryoballoon ablation catheters.
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Affiliation(s)
- Arash Aryana
- Mercy General Hospital and Dignity Health Heart and Vascular Institute, Sacramento, California.
| | | | - Hae W Lim
- Medtronic, Inc, Minneapolis, Minnesota
| | - Kenneth A Ellenbogen
- Division of Clinical Cardiac Electrophysiology and Pacing, Virginia Commonwealth University Health System, Richmond, Virginia
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Zhang CF, Wu JL, You L, Yang Y, Ma BF, Xie RQ. Thawing Rate Predicts Acute Pulmonary Vein Isolation after Second-Generation Cryoballoon Ablation. Clinics (Sao Paulo) 2020; 75:e1672. [PMID: 32667496 PMCID: PMC7337220 DOI: 10.6061/clinics/2020/e1672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 03/24/2020] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To evaluate whether thawing rate could be a novel predictor of acute pulmonary vein isolation (PVI) and explore the predictive value of thawing rate as a factor ensuring long-term PVI (vagus reflex). METHODS A total of 151 patients who underwent cryoballoon ablation for atrial fibrillation (AF) were enrolled in this retrospective study between January 2017 and June 2018. The thawing rate was calculated using the thawing phase of the cryoablation curve. Receiver operating characteristic (ROC) curve was used to analyze the predictive value of the thawing rate for acute PVI and vagus reflex. RESULTS ROC curve analyses revealed that the interval thawing rate at 15°C (ITR15) was the most valuable predictor of PVI, with the highest area under curve (AUC) value of the ROC curve. The best cut-off value of ITR15 for PVI was ≤2.14°C/S and its sensitivity and specificity were 88.62% and 67.18%, respectively. In addition, the ITR15 of the successful PVI group after cryoballoon ablation was significantly slower than the failed PVI group. ITR15 was a predictor of vagus reflex and the occurrence of vagus reflex group had a slower ITR15 compared to the non-occurrence group. CONCLUSIONS Thawing rate was a novel predictor of acute PVI and the ITR15 was the most valuable predictor of acute PVI. In addition, ITR15 was a predictive factor ensuring long-term PVI (vagus reflex). Our study showed that thawing rate may serve in the early identification of useless cryoballoon ablation.
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Affiliation(s)
- Chen-Feng Zhang
- Department of Cardiovascular Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Jing-Lan Wu
- Department of Cardiovascular Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Ling You
- Department of Cardiovascular Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Ying Yang
- Department of Cardiovascular Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Bo-Fei Ma
- Department of Cardiovascular Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Rui-Qin Xie
- Department of Cardiovascular Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
- *Corresponding author. E-mail:
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Chen S, Schmidt B, Bordignon S, Bologna F, Chun KRJ. Short tip–more function? Atrial fibrillation ablation using the novel third-generation cryoballoon in resected pulmonary vein. INTERNATIONAL JOURNAL OF ARRHYTHMIA 2019. [DOI: 10.1186/s42444-019-0006-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Cryoballoon ablation is an established procedure for atrial fibrillation (AF). Patients who had previous pulmonary surgery undergoing pulmonary vein isolation (PVI) were seldom reported.
Case presentation
We describe an AF ablation using the novel short-tip third-generation cryoballoon in a patient with resected pulmonary vein. All pulmonary veins were successfully isolated without complication. The short-tip third-generation cryoballoon shows advantageous profile in PVI for AF patients with previous pulmonary surgery.
Conclusions
This report indicates that for AF patient who had previous resected PV surgery, the short-tip CB 3 provides an ideal device option for real-time PVI.
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Chun JKR, Bordignon S, Chen S, Tohoku S, Bologna F, Urbanek L, Schmidt BH. Current Status of Atrial Fibrillation Ablation with Balloon Strategy. Korean Circ J 2019; 49:991-1001. [PMID: 31646768 PMCID: PMC6813157 DOI: 10.4070/kcj.2019.0226] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 07/18/2019] [Indexed: 01/09/2023] Open
Abstract
Catheter ablation of atrial fibrillation (AF) has been established worldwide and is recommended for symptomatic paroxysmal AF patients according to international guidelines. Importantly, the cornerstone of any AF ablation represents pulmonary vein isolation (PVI). Traditional radiofrequency (RF) point by point ablation within a 3D electroanatomic left atrial (LA) map requires profound understanding of LA anatomy and electrophysiology. This ablation strategy can be highly efficient and safe if performed in experienced hands and centers. However, procedural complexity causes a long learning curve and has limited its wide spread utilization. In contrast, balloon based PVI ablation strategies are based on an anatomic principle. Currently, two balloon types (cryoballoon and laserballoon) have been adopted to clinical routine. Both balloons are positioned at the target PV and circumferential energy ablation is enabled. This simplified anatomic approach facilitates reaching the procedural endpoint of PVI and demonstrated less operator dependency. Therefore, balloon PVI appears to be associated with improved procedural reproducibility and safety. Importantly, large scale randomized trials proved non-inferiority of balloon guided AF ablation (cryothermal and laser energy) vs. experienced operators using traditional “gold standard” RF ablation in paroxysmal and persistent AF. Ongoing technological refinements of both balloons as well as the introduction of novel energy dosing strategies and ablation targets may potentially impact the current way of ablating AF in future. This review will summarize current clinical experience of contemporary balloon devices and will look into future developments.
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Affiliation(s)
- Julian Kyoung Ryul Chun
- Medizinische Klinik III, CCB Kardiologie, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany.
| | - Stefano Bordignon
- Medizinische Klinik III, CCB Kardiologie, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany
| | - Shaojie Chen
- Medizinische Klinik III, CCB Kardiologie, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany
| | - Shota Tohoku
- Medizinische Klinik III, CCB Kardiologie, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany
| | - Fabrizio Bologna
- Medizinische Klinik III, CCB Kardiologie, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany
| | - Lukas Urbanek
- Medizinische Klinik III, CCB Kardiologie, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany
| | - Boris Heinrich Schmidt
- Medizinische Klinik III, CCB Kardiologie, Agaplesion Markus Krankenhaus, Frankfurt am Main, Germany
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Osório TG, Coutiño HE, Brugada P, Chierchia GB, De Asmundis C. Recent advances in cryoballoon ablation for atrial fibrillation. Expert Rev Med Devices 2019; 16:799-808. [PMID: 31389263 DOI: 10.1080/17434440.2019.1653181] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Introduction: Pulmonary vein isolation (PVI), by catheter ablation, represents the current treatment for drug-resistant atrial fibrillation (AF). Nowadays cryoballoon (CB) is a recognized ablation method in patients with atrial fibrillation, mainly due to its ease of use, leading to reproducible and fast procedures. This novel single shot technology literally revolutionized the approach to AF ablation. Areas covered: The historical development of the cryoballoon, ablation techniques and new approaches beyond the ordinary PVI and complications are summarized here. Expert opinion: Although cryoballoon ablation has greatly standardized the approach to PVI a few critical points still need to be clarified scientifically in order to further uniform this procedure in cath labs worldwide. Duration and dosage of the cryoapplication is undoubtedly a topic of great interest.
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Affiliation(s)
- Thiago Guimarães Osório
- Heart Rhythm Management Centre, Postgraduate course in Cardiac Electrophysiology and Pacing, Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel , Brussels , Belgium
| | - Hugo-Enrique Coutiño
- Heart Rhythm Management Centre, Postgraduate course in Cardiac Electrophysiology and Pacing, Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel , Brussels , Belgium
| | - Pedro Brugada
- Heart Rhythm Management Centre, Postgraduate course in Cardiac Electrophysiology and Pacing, Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel , Brussels , Belgium
| | - Gian-Battista Chierchia
- Heart Rhythm Management Centre, Postgraduate course in Cardiac Electrophysiology and Pacing, Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel , Brussels , Belgium
| | - Carlo De Asmundis
- Heart Rhythm Management Centre, Postgraduate course in Cardiac Electrophysiology and Pacing, Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel , Brussels , Belgium
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