INTRODUCTION: Novel ablation devices for pulmonary vein isolation (PVI) need a careful evaluation of its efficacy and safety beyond clinical studies in a real world situation. The endoscopic ablation system (EAS) was recently approved for PVI in Europe. We sought to determine the safety, efficacy, and learning curve effects of EAS-PVI in a large volume single center. METHODS AND RESULTS: Between June 2010 and March 2013, all EAS guided PVI procedures were analyzed and 150 consecutive patients were divided in tertiles (T). Clinical follow-up of 12 months assessed freedom from atrial fibrillation (AF) using 72 hour-Holter ECG recordings. In total, 497 of 583 PVs (85%) were isolated by visual guidance only. In T 2 and T 3, visually guided PVI rates increased from 73% to 91% (P < 0.001). After gap mapping, 96% and 99% of all PVs were isolated in T 1-3, respectively (P = 0.018). Total procedure and fluoroscopy time significantly declined over time. All major periprocedural complications occurred in the first T. In 3 patients (2 in 1st and 1 in 2nd T), phrenic nerve palsy was observed (2%). At 12-months follow-up, 103 of 133 patients (77%) remained in stable sinus rhythm without significant differences between Ts. CONCLUSION: With EAS even first time users may achieve acute PVI in a high number of patients with favorable clinical outcomes after 1 year. Yet, acute procedural efficacy and safety are further improved after passing a learning curve of 50 patients.
INTRODUCTION: Novel ablation devices for pulmonary vein isolation (PVI) need a careful evaluation of its efficacy and safety beyond clinical studies in a real world situation. The endoscopic ablation system (EAS) was recently approved for PVI in Europe. We sought to determine the safety, efficacy, and learning curve effects of EAS-PVI in a large volume single center. METHODS AND RESULTS: Between June 2010 and March 2013, all EAS guided PVI procedures were analyzed and 150 consecutive patients were divided in tertiles (T). Clinical follow-up of 12 months assessed freedom from atrial fibrillation (AF) using 72 hour-Holter ECG recordings. In total, 497 of 583 PVs (85%) were isolated by visual guidance only. In T 2 and T 3, visually guided PVI rates increased from 73% to 91% (P < 0.001). After gap mapping, 96% and 99% of all PVs were isolated in T 1-3, respectively (P = 0.018). Total procedure and fluoroscopy time significantly declined over time. All major periprocedural complications occurred in the first T. In 3 patients (2 in 1st and 1 in 2nd T), phrenic nerve palsy was observed (2%). At 12-months follow-up, 103 of 133 patients (77%) remained in stable sinus rhythm without significant differences between Ts. CONCLUSION: With EAS even first time users may achieve acute PVI in a high number of patients with favorable clinical outcomes after 1 year. Yet, acute procedural efficacy and safety are further improved after passing a learning curve of 50 patients.
Authors: Hugh Calkins; Gerhard Hindricks; Riccardo Cappato; Young-Hoon Kim; Eduardo B Saad; Luis Aguinaga; Joseph G Akar; Vinay Badhwar; Josep Brugada; John Camm; Peng-Sheng Chen; Shih-Ann Chen; Mina K Chung; Jens Cosedis Nielsen; Anne B Curtis; D Wyn Davies; John D Day; André d'Avila; N M S Natasja de Groot; Luigi Di Biase; Mattias Duytschaever; James R Edgerton; Kenneth A Ellenbogen; Patrick T Ellinor; Sabine Ernst; Guilherme Fenelon; Edward P Gerstenfeld; David E Haines; Michel Haissaguerre; Robert H Helm; Elaine Hylek; Warren M Jackman; Jose Jalife; Jonathan M Kalman; Josef Kautzner; Hans Kottkamp; Karl Heinz Kuck; Koichiro Kumagai; Richard Lee; Thorsten Lewalter; Bruce D Lindsay; Laurent Macle; Moussa Mansour; Francis E Marchlinski; Gregory F Michaud; Hiroshi Nakagawa; Andrea Natale; Stanley Nattel; Ken Okumura; Douglas Packer; Evgeny Pokushalov; Matthew R Reynolds; Prashanthan Sanders; Mauricio Scanavacca; Richard Schilling; Claudio Tondo; Hsuan-Ming Tsao; Atul Verma; David J Wilber; Teiichi Yamane Journal: Heart Rhythm Date: 2017-05-12 Impact factor: 6.343
Authors: Hugh Calkins; Karl Heinz Kuck; Riccardo Cappato; Josep Brugada; A John Camm; Shih-Ann Chen; Harry J G Crijns; Ralph J Damiano; D Wyn Davies; John DiMarco; James Edgerton; Kenneth Ellenbogen; Michael D Ezekowitz; David E Haines; Michel Haissaguerre; Gerhard Hindricks; Yoshito Iesaka; Warren Jackman; José Jalife; Pierre Jais; Jonathan Kalman; David Keane; Young-Hoon Kim; Paulus Kirchhof; George Klein; Hans Kottkamp; Koichiro Kumagai; Bruce D Lindsay; Moussa Mansour; Francis E Marchlinski; Patrick M McCarthy; J Lluis Mont; Fred Morady; Koonlawee Nademanee; Hiroshi Nakagawa; Andrea Natale; Stanley Nattel; Douglas L Packer; Carlo Pappone; Eric Prystowsky; Antonio Raviele; Vivek Reddy; Jeremy N Ruskin; Richard J Shemin; Hsuan-Ming Tsao; David Wilber Journal: Heart Rhythm Date: 2012-03-01 Impact factor: 6.343
Authors: Hugh Calkins; Gerhard Hindricks; Riccardo Cappato; Young-Hoon Kim; Eduardo B Saad; Luis Aguinaga; Joseph G Akar; Vinay Badhwar; Josep Brugada; John Camm; Peng-Sheng Chen; Shih-Ann Chen; Mina K Chung; Jens Cosedis Nielsen; Anne B Curtis; D Wyn Davies; John D Day; André d'Avila; N M S Natasja de Groot; Luigi Di Biase; Mattias Duytschaever; James R Edgerton; Kenneth A Ellenbogen; Patrick T Ellinor; Sabine Ernst; Guilherme Fenelon; Edward P Gerstenfeld; David E Haines; Michel Haissaguerre; Robert H Helm; Elaine Hylek; Warren M Jackman; Jose Jalife; Jonathan M Kalman; Josef Kautzner; Hans Kottkamp; Karl Heinz Kuck; Koichiro Kumagai; Richard Lee; Thorsten Lewalter; Bruce D Lindsay; Laurent Macle; Moussa Mansour; Francis E Marchlinski; Gregory F Michaud; Hiroshi Nakagawa; Andrea Natale; Stanley Nattel; Ken Okumura; Douglas Packer; Evgeny Pokushalov; Matthew R Reynolds; Prashanthan Sanders; Mauricio Scanavacca; Richard Schilling; Claudio Tondo; Hsuan-Ming Tsao; Atul Verma; David J Wilber; Teiichi Yamane Journal: Europace Date: 2018-01-01 Impact factor: 5.214
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