Efficacy of Extensive Ablation for Persistent Atrial Fibrillation With Trigger-Based vs. Substrate-Based Mechanisms ― A Prespecified Subanalysis of the EARNEST-PVI Trial

Background:Extensive ablation in addition to pulmonary vein isolation (PVI) would be effective for modification of non-pulmonary vein (non-PV) substrates, whereas PVI might be sufficient for elimination of PV triggers. This study aimed to test the hypothesis that in patients with reproducible atrial...

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Veröffentlicht in:Circulation Journal 2021/09/24, Vol.85(10), pp.1897-1905
Hauptverfasser: Inoue, Koichi, Sotomi, Yohei, Masuda, Masaharu, Furukawa, Yoshio, Hirata, Akio, Egami, Yasuyuki, Watanabe, Tetsuya, Minamiguchi, Hitoshi, Miyoshi, Miwa, Tanaka, Nobuaki, Oka, Takafumi, Okada, Masato, Kanda, Takashi, Matsuda, Yasuhiro, Kawasaki, Masato, Kitamura, Tetsuhisa, Dohi, Tomoharu, Sunaga, Akihiro, Mizuno, Hiroya, Nakatani, Daisaku, Hikoso, Shungo, Sakata, Yasushi, on behalf of the OCVC Arrhythmia Investigators
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container_end_page 1905
container_issue 10
container_start_page 1897
container_title Circulation Journal
container_volume 85
creator Inoue, Koichi
Sotomi, Yohei
Masuda, Masaharu
Furukawa, Yoshio
Hirata, Akio
Egami, Yasuyuki
Watanabe, Tetsuya
Minamiguchi, Hitoshi
Miyoshi, Miwa
Tanaka, Nobuaki
Oka, Takafumi
Okada, Masato
Kanda, Takashi
Matsuda, Yasuhiro
Kawasaki, Masato
Kitamura, Tetsuhisa
Dohi, Tomoharu
Sunaga, Akihiro
Mizuno, Hiroya
Nakatani, Daisaku
Hikoso, Shungo
Sakata, Yasushi
on behalf of the OCVC Arrhythmia Investigators
description Background:Extensive ablation in addition to pulmonary vein isolation (PVI) would be effective for modification of non-pulmonary vein (non-PV) substrates, whereas PVI might be sufficient for elimination of PV triggers. This study aimed to test the hypothesis that in patients with reproducible atrial fibrillation (AF) triggered by premature atrial contractions originating only from PVs, PVI alone can be sufficient to maintain sinus rhythm.Methods and Results:This study is a prespecified subanalysis of the EARNEST-PVI randomized controlled trial. This study investigated the efficacy of the PVI-alone strategy (PVI-alone) in comparison with the extensive strategy (PVI-plus) for persistent AF with a trigger-based mechanism vs. a substrate-based mechanism. Patients were stratified into 3 groups based on AF mechanisms: (1) Substrate group (N=236); (2) PV trigger group (N=236); and (3) non-PV trigger group (N=24). The hazard ratios for AF recurrence of the PVI-alone strategy with reference to the PVI-plus strategy were 1.456 (95% confidence interval [CI] [0.864–2.452]) in the substrate group, 1.648 (95% CI 0.969–2.801) in the PV trigger group, and 0.937 (95% CI 0.252–3.488) in the non-PV trigger group. No significant interaction between ablation strategy and AF mechanism was observed (P for interaction=0.748).Conclusions:This study indicated that the efficacies of the PVI-alone strategy compared with the PVI-plus strategy were consistent across persistent AF with trigger-based and substrate-based mechanisms.
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Sotomi, Yohei ; Masuda, Masaharu ; Furukawa, Yoshio ; Hirata, Akio ; Egami, Yasuyuki ; Watanabe, Tetsuya ; Minamiguchi, Hitoshi ; Miyoshi, Miwa ; Tanaka, Nobuaki ; Oka, Takafumi ; Okada, Masato ; Kanda, Takashi ; Matsuda, Yasuhiro ; Kawasaki, Masato ; Kitamura, Tetsuhisa ; Dohi, Tomoharu ; Sunaga, Akihiro ; Mizuno, Hiroya ; Nakatani, Daisaku ; Hikoso, Shungo ; Sakata, Yasushi ; on behalf of the OCVC Arrhythmia Investigators</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c495t-5a79f6fe07ef49b11ce1ee60113ede8732b1c8e8fdd2ffa4c182fe2678fb8e463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Atrial Fibrillation - surgery</topic><topic>Catheter Ablation - methods</topic><topic>Humans</topic><topic>Persistent atrial fibrillation</topic><topic>Pulmonary vein isolation</topic><topic>Pulmonary Veins - surgery</topic><topic>Randomized controlled trial</topic><topic>Recurrence</topic><topic>Substrate</topic><topic>Treatment Outcome</topic><topic>Trigger</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Inoue, Koichi</creatorcontrib><creatorcontrib>Sotomi, Yohei</creatorcontrib><creatorcontrib>Masuda, Masaharu</creatorcontrib><creatorcontrib>Furukawa, Yoshio</creatorcontrib><creatorcontrib>Hirata, Akio</creatorcontrib><creatorcontrib>Egami, Yasuyuki</creatorcontrib><creatorcontrib>Watanabe, Tetsuya</creatorcontrib><creatorcontrib>Minamiguchi, Hitoshi</creatorcontrib><creatorcontrib>Miyoshi, Miwa</creatorcontrib><creatorcontrib>Tanaka, Nobuaki</creatorcontrib><creatorcontrib>Oka, Takafumi</creatorcontrib><creatorcontrib>Okada, Masato</creatorcontrib><creatorcontrib>Kanda, Takashi</creatorcontrib><creatorcontrib>Matsuda, Yasuhiro</creatorcontrib><creatorcontrib>Kawasaki, Masato</creatorcontrib><creatorcontrib>Kitamura, Tetsuhisa</creatorcontrib><creatorcontrib>Dohi, Tomoharu</creatorcontrib><creatorcontrib>Sunaga, Akihiro</creatorcontrib><creatorcontrib>Mizuno, Hiroya</creatorcontrib><creatorcontrib>Nakatani, Daisaku</creatorcontrib><creatorcontrib>Hikoso, Shungo</creatorcontrib><creatorcontrib>Sakata, Yasushi</creatorcontrib><creatorcontrib>on behalf of the OCVC Arrhythmia Investigators</creatorcontrib><creatorcontrib>OCVC Arrhythmia Investigators</creatorcontrib><creatorcontrib>on behalf of the OCVC Arrhythmia Investigators</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Circulation Journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Inoue, Koichi</au><au>Sotomi, Yohei</au><au>Masuda, Masaharu</au><au>Furukawa, Yoshio</au><au>Hirata, Akio</au><au>Egami, Yasuyuki</au><au>Watanabe, Tetsuya</au><au>Minamiguchi, Hitoshi</au><au>Miyoshi, Miwa</au><au>Tanaka, Nobuaki</au><au>Oka, Takafumi</au><au>Okada, Masato</au><au>Kanda, Takashi</au><au>Matsuda, Yasuhiro</au><au>Kawasaki, Masato</au><au>Kitamura, Tetsuhisa</au><au>Dohi, Tomoharu</au><au>Sunaga, Akihiro</au><au>Mizuno, Hiroya</au><au>Nakatani, Daisaku</au><au>Hikoso, Shungo</au><au>Sakata, Yasushi</au><au>on behalf of the OCVC Arrhythmia Investigators</au><aucorp>OCVC Arrhythmia Investigators</aucorp><aucorp>on behalf of the OCVC Arrhythmia Investigators</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficacy of Extensive Ablation for Persistent Atrial Fibrillation With Trigger-Based vs. Substrate-Based Mechanisms ― A Prespecified Subanalysis of the EARNEST-PVI Trial</atitle><jtitle>Circulation Journal</jtitle><addtitle>Circ J</addtitle><date>2021-09-24</date><risdate>2021</risdate><volume>85</volume><issue>10</issue><spage>1897</spage><epage>1905</epage><pages>1897-1905</pages><artnum>CJ-21-0126</artnum><issn>1346-9843</issn><issn>1347-4820</issn><eissn>1347-4820</eissn><abstract>Background:Extensive ablation in addition to pulmonary vein isolation (PVI) would be effective for modification of non-pulmonary vein (non-PV) substrates, whereas PVI might be sufficient for elimination of PV triggers. This study aimed to test the hypothesis that in patients with reproducible atrial fibrillation (AF) triggered by premature atrial contractions originating only from PVs, PVI alone can be sufficient to maintain sinus rhythm.Methods and Results:This study is a prespecified subanalysis of the EARNEST-PVI randomized controlled trial. This study investigated the efficacy of the PVI-alone strategy (PVI-alone) in comparison with the extensive strategy (PVI-plus) for persistent AF with a trigger-based mechanism vs. a substrate-based mechanism. Patients were stratified into 3 groups based on AF mechanisms: (1) Substrate group (N=236); (2) PV trigger group (N=236); and (3) non-PV trigger group (N=24). The hazard ratios for AF recurrence of the PVI-alone strategy with reference to the PVI-plus strategy were 1.456 (95% confidence interval [CI] [0.864–2.452]) in the substrate group, 1.648 (95% CI 0.969–2.801) in the PV trigger group, and 0.937 (95% CI 0.252–3.488) in the non-PV trigger group. No significant interaction between ablation strategy and AF mechanism was observed (P for interaction=0.748).Conclusions:This study indicated that the efficacies of the PVI-alone strategy compared with the PVI-plus strategy were consistent across persistent AF with trigger-based and substrate-based mechanisms.</abstract><cop>Japan</cop><pub>The Japanese Circulation Society</pub><pmid>33775981</pmid><doi>10.1253/circj.CJ-21-0126</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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subjects Atrial Fibrillation - surgery
Catheter Ablation - methods
Humans
Persistent atrial fibrillation
Pulmonary vein isolation
Pulmonary Veins - surgery
Randomized controlled trial
Recurrence
Substrate
Treatment Outcome
Trigger
title Efficacy of Extensive Ablation for Persistent Atrial Fibrillation With Trigger-Based vs. Substrate-Based Mechanisms ― A Prespecified Subanalysis of the EARNEST-PVI Trial
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