Life sciences, Cardiology

Where is the gap after a 90 W/4 s very‐high‐power short‐duration ablation of atrial fibrillation?: Association with the left atrial‐pulmonary vein voltage and wall thickness
Moyuru Hirata; Koichi Nagashima; Ryuta Watanabe; Yuji Wakamatsu; Shu Hirata; Sayaka Kurokawa; Yasuo Okumura
Journal of Arrhythmia, Feb. 2024

Clinical implication of the patient's disease awareness and adherence to medications in patients undergoing atrial fibrillation ablation
Masanaru Sawada; Naoto Otsuka; Koichi Nagashima; Ryuta Watanabe; Yuji Wakamatsu; Satoshi Hayashida; Shu Hirata; Moyuru Hirata; Sayaka Kurokawa; Yasuo Okumura
Journal of Arrhythmia, Dec. 2023

Termination of slow‐fast atrioventricular reentrant tachycardia by a single cryoablation of the slow pathway guided by a fractionation map
Yuji Wakamatsu; Koichi Nagashima; Ryuta Watanabe; Shu Hirata; Yasuo Okumura
Journal of Arrhythmia, Sep. 2023

不整脈心電学会(JHRS)不整脈専門医について
奥村 恭男; 永嶋 孝一; 深町 大介; 村田 伸弘; 須藤 晃正; 小嶋 啓介; 新井 陸
日本心血管インターベンション治療学会抄録集, Aug. 2023

Optimal Timing of Electrical Cardioversion for Acute Decompensated Heart Failure Caused by Atrial Arrhythmias: The Earlier, the Better?(タイトル和訳中)
Fujito Hidesato; Nagashima Koichi; Saito Yuki; Mizobuchi Saki; Wakamatsu Yuji; Arai Riku; Watanabe Ryuta; Murata Nobuhiro; Toyama Kazuto; Kitano Daisuke; Fukamachi Daisuke; Yoda Shunichi; Okumura Yasuo
日本循環器学会学術集会抄録集, Mar. 2023

Effect of Catheter Ablation for Atrial Fibrillation in Heart Failure With Mid-Range or Preserved Ejection Fraction ― Pooled Analysis of the AF Frontier Ablation Registry and Hokuriku-Plus AF Registry ―
Toyonobu Tsuda; Takeshi Kato; Keisuke Usuda; Takashi Kusayama; Soichiro Usui; Kenji Sakata; Kenshi Hayashi; Masa-aki Kawashiri; Masakazu Yamagishi; Masayuki Takamura; Takayuki Otsuka; Shinya Suzuki; Akio Hirata; Masato Murakami; Mitsuru Takami; Masaomi Kimura; Hidehira Fukaya; Shiro Nakahara; Wataru Shimizu; Yu-ki Iwasaki; Hiroshi Hayashi; Tomoo Harada; Ikutaro Nakajima; Ken Okumura; Junjiroh Koyama; Michifumi Tokuda; Teiichi Yamane; Yukihiko Momiyama; Kojiro Tanimoto; Kyoko Soejima; Noriko Nonoguchi; Koichiro Ejima; Nobuhisa Hagiwara; Masahide Harada; Kazumasa Sonoda; Masaru Inoue; Koji Kumagai; Hidemori Hayashi; Kazuhiro Satomi; Yoshinao Yazaki; Yuji Watari; Masaru Arai; Ryuta Watanabe; Katsuaki Yokoyama; Naoya Matsumoto; Koichi Nagashima; Yasuo Okumura
Circulation Journal, Dec. 2022, Refereed

Actual tissue temperature during ablation index‐guided high‐power short‐duration ablation versus standard ablation: Implications in terms of the efficacy and safety of atrial fibrillation ablation
Naoto Otsuka; Yasuo Okumura; Sayaka Kuorkawa; Koichi Nagashima; Yuji Wakamatsu; Satoshi Hayashida; Kimie Ohkubo; Toshiko Nakai; Hiroyuki Hao; Rie Takahashi; Yoshiki Taniguchi
Journal of Cardiovascular Electrophysiology, Nov. 2021

Different Determinants of the Recurrence of Atrial Fibrillation and Adverse Clinical Events in the Mid-Term Period After Atrial Fibrillation Ablation.
Ryuta Watanabe; Koichi Nagashima; Yuji Wakamatsu; Naoto Otsuka; Katsuaki Yokoyama; Naoya Matsumoto; Takayuki Otsuka; Shinya Suzuki; Akio Hirata; Masato Murakami; Mitsuru Takami; Masaomi Kimura; Hidehira Fukaya; Shiro Nakahara; Takeshi Kato; Hiroshi Hayashi; Yu-Ki Iwasaki; Wataru Shimizu; Ikutaro Nakajima; Tomoo Harada; Junjiroh Koyama; Ken Okumura; Michifumi Tokuda; Teiichi Yamane; Kojiro Tanimoto; Yukihiko Momiyama; Noriko Nonoguchi; Kyoko Soejima; Koichiro Ejima; Nobuhisa Hagiwara; Masahide Harada; Kazumasa Sonoda; Masaru Inoue; Koji Kumagai; Hidemori Hayashi; Yoshinao Yazaki; Kazuhiro Satomi; Yuji Watari; Yasuo Okumura
Circulation journal : official journal of the Japanese Circulation Society, Jul. 2021

Clinical outcomes of ablation versus non-ablation therapy for atrial fibrillation in Japan: analysis of pooled data from the AF Frontier Ablation Registry and SAKURA AF Registry.
Kazuki Iso; Koichi Nagashima; Masaru Arai; Ryuta Watanabe; Katsuaki Yokoyama; Naoya Matsumoto; Takayuki Otsuka; Shinya Suzuki; Akio Hirata; Masato Murakami; Mitsuru Takami; Masaomi Kimura; Hidehira Fukaya; Shiro Nakahara; Takeshi Kato; Hiroshi Hayashi; Yu-Ki Iwasaki; Wataru Shimizu; Ikutaro Nakajima; Tomoo Harada; Junjiroh Koyama; Ken Okumura; Michifumi Tokuda; Teiichi Yamane; Kojiro Tanimoto; Yukihiko Momiyama; Noriko Nonoguchi; Kyoko Soejima; Koichiro Ejima; Nobuhisa Hagiwara; Masahide Harada; Kazumasa Sonoda; Masaru Inoue; Koji Kumagai; Hidemori Hayashi; Yoshinao Yazaki; Kazuhiro Satomi; Yuji Watari; Yasuo Okumura
Heart and vessels, Apr. 2021

Novel Diagnostic Observations of Nodoventricular/Nodofascicular Pathway-Related Orthodromic Reciprocating Tachycardia Differentiating From Atrioventricular Nodal Re-Entrant Tachycardia.
Koichi Nagashima; Yoshiaki Kaneko; Mitsunori Maruyama; Akihiko Nogami; Shinya Kowase; Hitoshi Mori; Naokata Sumitomo; Seiji Fukamizu; Rintaro Hojo; Takeshi Kitamura; Kyoko Soejima; Akiko Ueda; Takayuki Otsuka; Mitsuru Takami; Kojiro Tanimoto; Tetsuya Asakawa; Kenta Kumagai; Shuntaro Tamura; Hiroshi Hasegawa; Kazuyoshi Ogura; Mitsuharu Kawamura; Yumi Munetsugu; Morio Shoda; Satoshi Higuchi; Hisanori Kanazawa; Shigeki Kusa; Akira Mizukami; Shinsuke Miyazaki; Yuji Wakamatsu; Yasuo Okumura
JACC: Clinical Electrophysiology, Dec. 2020

心房細動アブレーション後における直接経口抗凝固薬の適応外低用量投与の臨床転帰 AF Frontier Ablation Registryのサブ解析(Clinical Outcomes of Off-Label Underdosing of Direct Oral Anticoagulants After Ablation for Atrial Fibrillation: Subanalysis of the AF Frontier Ablation Registry)
Wakamatsu Yuji; Nagashima Koichi; Watanabe Ryuta; Arai Masaru; Yokoyama Katsuaki; Matsumoto Naoya; Otsuka Takayuki; Suzuki Shinya; Hirata Akio; Murakami Masato; Takami Mitsuru; Kimura Masaomi; Fukaya Hidehira; Nakahara Shiro; Kato Takeshi; Hayashi Hiroshi; Iwasaki Yu-ki; Shimizu Wataru; Nakajima Ikutaro; Harada Tomoo; Koyama Junjiroh; Okumura Ken; Tokuda Michifumi; Yamane Teiichi; Tanimoto Kojiro; Momiyama Yukihiko; Nonoguchi Noriko; Soejima Kyoko; Ejima Koichiro; Hagiwara Nobuhisa; Harada Masahide; Sonoda Kazumasa; Inoue Masaru; Kumagai Koji; Hayashi Hidemori; Yazaki Yoshinao; Satomi Kazuhiro; Watari Yuji; Okumura Yasuo
International Heart Journal, Nov. 2020

心房細動のカテーテルアブレーション後に抗凝固療法を中止した患者における脳卒中イベント AF Frontier Ablation Registryのサブ解析(Stroke Events in Patients with Discontinuation of Anticoagulation after Catheter Ablation of Atrial Fibrillation: Subanalysis from AF Frontier Ablation Registry)
Usuda Keisuke; Kato Takeshi; Tsuda Toyonobu; Sakata Kenji; Hayashi Kenshi; Furusho Hiroshi; Kawashiri Masaaki; Takamura Masayuki; Nagashima Koichi; Otsuka Takayuki; Hirata Akio; Murakami Masato; Takami Mitsuru; Kimura Masaomi; Fukaya Hidehira; Nakahara Shiro; Shimizu Wataru; Harada Tomoo; Okumura Ken; Yamane Teiichi; Tanimoto Kojiro; Tanimoto Kojiro; Ejima Koichiro; Harada Masahide; Sonoda Kazumasa; Inoue Masaru; Kumagai Koji; Hayashi Hidemori; Satomi Kazuhiro; Watari Yuji; Okumura Yasuo
日本循環器学会学術集会抄録集, Jul. 2020

心房細動カテーテルアブレーションの適応を考える:不整脈専門医と非専門医の視点 心房細動のカテーテルアブレーションを本当に必要としている患者とは(Who Really Needs Catheter Ablation of Atrial Fibrillation?)
奥村 恭男; 永嶋 孝一; 横山 勝章; 松本 直也
日本循環器学会学術集会抄録集, Jul. 2020

Minimally preexcited tachycardia: What is the mechanism?
Jul. 2020

His bundle activation during ventricular pacing in long RP tachycardia: What is the mechanism?
Jun. 2020

Comparison of continuous 24-h and 14-day monitoring for detection of otherwise unknown atrial fibrillation: a registry to identify Japanese concealed atrial fibrillation (REAL-AF)-based study
Koichi Nagashima; Yasuo Okumura; Katsuaki Yokoyama; Naoya Matsumoto; Eizo Tachibana; Keiichiro Kuronuma; Koji Oiwa; Michiaki Matsumoto; Toshiaki Kojima; Hideyuki Ando; Kazumiki Nomoto; Ken Arima; Atsushi Hirayama
Heart and vessels, May 2020

Share, ,Editorial to the Postmarketing surveillance on the clinical use of edoxaban in patients with nonvalvular atrial fibrillation (ETNA-AF Japan): One-year safety and effectiveness analyses.
Apr. 2020

心房細動発症阻止へ向けた英知の結集 心房細動の既往のない被験者において詳細不明の心房細動を検出する持続モニタリング期間の24時間と2週間の比較(Comparison of 24-Hour vs 2-Week Continuous Monitoring for Detection of Unknown Atrial Fibrillation among Participants without Prior Atrial Fibrillation Episodes)
永嶋 孝一; 奥村 恭男; 横山 勝章; 松本 直也; 立花 栄三; 黒沼 圭一郎; 大岩 功治; 松本 真明; 小島 利明; 花田 健治; 野本 和幹; 有馬 健; 平山 篤志
日本循環器学会学術集会抄録集, Mar. 2019

Effects of Pulmonary Vein Isolation on the Cardiac Autonomic Nervous System
Watanabe Ryuta; Watanabe Ichiro; Okumura Yasuo; Nagashima Koichi; Takahashi Keiko; Arai Masaru; Wakamatsu Yuji; Kurokawa Sayaka; Okubo Kimie; Nakai Toshiko; Hirayama Atsushi; Iso Kazuki; Kunimoto Satoshi; Sonoda Kazumasa; Tosaka Toshimasa
Journal of Nihon University Medical Association, Feb. 2019, Not refereed

若年女性に生じたMyocardial Infarction With No Obstructive Coronary Atherosclerosis(MINOCA)の1例
八田 拓海; 永嶋 孝一; 坂井 映太; 阿久津 尚孝; 深町 大介; 加藤 真帆人; 大久保 公恵; 中井 俊子; 高山 忠輝; 廣 高史; 平山 篤志
板橋区医師会医学会誌, May 2018

Ventricular Tachycardia Ablation in the Elderly An International Ventricular Tachycardia Center Collaborative Group Analysis
Kairav Vakil; Santiago Garcia; Roderick Tung; Marmar Vaseghi; Usha Tedrow; Paolo Della Bella; David S. Frankel; Pasquale Vergara; Luigi Di Biase; Koichi Nagashima; Shiro Nakahara; Wendy S. Tzou; J. David Burkhardt; Timm Dickfeld; J. Peter Weiss; Jared Bunch; David Callans; Dhanunjaya Lakkireddy; Andrea Natale; William H. Sauer; William G. Stevenson; Francis Marchlinski; Kalyanam Shivkumar; Venkatakrishna N. Tholakanahalli
CIRCULATION-ARRHYTHMIA AND ELECTROPHYSIOLOGY, Dec. 2017, Refereed, Not invited

A case of coronary artery anomaly with ventricular fibrillation on excise
Watanabe Ryuta; Nagashima Koichi; Hayase Misa; Yuzawa Yasufumi; Akutsu Naotaka; Fukamachi Daisuke; Kato Mahoto; Watanabe Ichiro; Tanaka Masashi; Hirayama Atsushi
Shinzo, Aug. 2017

Sex and Catheter Ablation for Ventricular Tachycardia An International Ventricular Tachycardia Ablation Center Collaborative Group Study
David S. Frankel; Roderick Tung; Pasquale Santangeli; Wendy S. Tzou; Marmar Vaseghi; Luigi Di Biase; Koichi Nagashima; Usha Tedrow; T. Jared Bunch; Venkatakrishna N. Tholakanahalli; Raghuveer Dendi; Madhu Reddy; Dhanunjaya Lakkireddy; Timm Dickfeld; J. Peter Weiss; Nilesh Mathuria; Pasquale Vergara; Mehul Patel; Shiro Nakahara; Kairav Vakil; William H. Sauer; David J. Callans; Andrea Natale; William G. Stevenson; Paolo Della Bella; Kalyanam Shivkumar; Francis E. Marchlinski
JAMA CARDIOLOGY, Nov. 2016, Refereed, Not invited

A comparative study of time-specific oxidative stress after acute myocardial infarction in patients with and without diabetes mellitus
Daisuke Kitano; Tadateru Takayama; Koichi Nagashima; Masafumi Akabane; Kimie Okubo; Takafumi Hiro; Atsushi Hirayama
BMC CARDIOVASCULAR DISORDERS, May 2016, Refereed, Not invited

特異的な病理所見を呈した心筋炎の1例
早瀬 未紗; 永嶋 孝一; 岩澤 雪乃; 新井 将; 磯 一貴; 池谷 之利; 深町 大介; 加藤 真帆人; 大矢 俊之; 奥村 恭男; 國本 聡; 廣 高史; 平山 篤志; 西巻 はるな; 楠見 嘉晃
板橋区医師会医学会誌, Mar. 2016

Predictive Value of Programmed Ventricular Stimulation After Catheter Ablation of Post-Infarction Ventricular Tachycardia
Miki Yokokawa; Hyungjin Myra Kim; Kazim Baser; William Stevenson; Koichi Nagashima; Paolo Della Bella; Pasquale Vergara; Gerhard Hindricks; Arash Arya; Katja Zeppenfeld; Marta de Riva Silva; Emile G. Daoud; Sunil Kumar; Karl-Heinz Kuck; Ronald Tilz; Shibu Mathew; Hamid Ghanbari; Rakesh Latchamsetty; Fred Morady; Frank M. Bogun
JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY, May 2015, Refereed, Not invited

Pharmacologic atrial defibrillation by drug delivery into the temporarily occluded coronary sinus-a canine study.
Yasuo Okumura; Kimie Ohkubo; Koichi Nagashima; Kazumasa Sonoda; Hiroaki Mano; Masayoshi Kofune; Atsushi Hirayama
In Heart J 2012, Apr. 2012, Refereed, Not invited

Prevalence of prominent J wave in patients with ventricular fibrillation without structural heart disease:A single-center study.
Kimie Ohkubo; Yasuo Okumura; Masayoshi Kofune; Koichi Nagashima; Hiroaki Mano; Kazumasa Sonoda; Yuji Kasamaki; Atsushi Hirayama
J Cardiol 2012, Apr. 2012, Refereed, Not invited

Effects of antianginal drug trapidil on atrioventricular conduction disturbances during acute myocardial ischemia.
Yasuo Okumura; Koichi Nagashima; Masayoshi Kofune; Kimie Ohkubo; Hiroaki Mano; Kazumasa Sonoda; Yuji Kasamaki; Atsushi Hirayama
Int Heart J 2012, Apr. 2012, Refereed, Not invited

Dose Location of Epicardial Adipose Tissuee Correspond to Endocardial High Dominant Frequency or Complex Fractionated Atrial Electrogram Sites During Atrial Fibrillation?
koichi Nagashima; Yasuo Okumura; Toshiko Nakai; Kimie Ohkubo; Masayoshi Kofune; Hiroaki Mano; Kazumasa Sonoda; Takafumi Hior; Mizuki Nikado; Atsushi Hirayama
Circ Arrhythm Electrophysiol, Apr. 2012, Refereed, Not invited

Linear catheter ablation of th right atrium for rapid atrial pacing-induced sustained atrial fibrillation in dogs.
Yasuo Okumura; Rikitake Kogawa; Naokao Sasaki; Kimie Ohkubo; Masayosi Kofune; Koichi Nagashima; Kazumasa Sonoda; Hiroaki Mano; Atsushi Hirayama
Int Heart J 2012, Apr. 2012, Refereed, Not invited

Abnormal action potential duration property in the right ventricular outflow tract in Brugada syndrome. Circ J 2010; 74:664-670.
Sonoko Ashino; Ichiro Watanabe; Masayoshi Kofune; Koichi Nagashima; Kimie Ohkubo; Yasuo Okumura; Toshiko Nakai; Yuji Kasamaki; Atsushi Hirayama
Circ J 2010; 74:664-670., Oct. 2010, Refereed, Not invited

Fumio Suzuki. Upper turnaround point of the reentry circuit of common atrial flutter – three dimensional mapping and entrainment study.
Yasuo Okumura; Ichiro Watanabe; Toshiko Nakai; Kimie Ohkubo; Tatsuya Kofune; Sonoko Ashino; Masayoshi Kofune; Koichi Nagashima; Atsushi Hirayama; Fumio Suzuki
I Interv Card Electrophysiol, Sep. 2010, Refereed, Not invited

心房細動に対するアブレーション前後の心外膜脂肪組織と左心房壁基質の変化について
渡邉隆大; 横山勝章; 永嶋孝一; 若松雄治; 平田脩; 平田萌; 澤田昌成; 黒川早矢香; 池田敦; 松本直也; 奥村恭男
心電学関連春季大会プログラム・抄録集(Web), 2023

A Study of the Effect of an Ascending Aortic Deviation and Cardiac Rotation on the Development of Atrial Fibrillation
林田啓; 永嶋孝一; 渡邉隆大; 若松雄治; 黒川早矢香; 平田脩; 平田萌; 澤田昌成; 笹優輔; 磯一貴; 奥村恭男
日本循環器学会学術集会(Web), 2023

左上下および右下肺静脈が共通幹となっている肺静脈奇形の心房細動患者にクライオアブレーションが有効であった1例
園田和正; 平田萌; 江渕康柔; 右田卓; 向後隆章; 河内啓子; 野本和幹; 永嶋孝一; 奥村恭男
日本不整脈心電学会カテーテルアブレーション関連大会(Web), 2022

Critical isthmusからentrainment pacingができなかったために頻拍機序の診断に難渋した開心術後心房頻拍の1例
林田啓; 林田啓; 磯一貴; 母坪友太; 高橋くらら; 笹優輔; 須貝昌之助; 盛川智之; 足田匡史; 渥美渉; 立花栄三; 國本聡; 永嶋孝一; 奥村恭男
日本不整脈心電学会カテーテルアブレーション委員会公開研究会プログラム・抄録集, 2021

Innocent bystander or criminal? Influence of respiratory dysfunction on risk of atrial fibrillation.
Dec. 2019, Refereed, Not invited

Is Vagal Response During Left Atrial Ganglionated Plexi Stimulation a Normal Phenomenon?: Comparison Between Patients With and Without Atrial Fibrillation.
Kazuki Iso; Yasuo Okumura; Ichiro Watanabe; Koichi Nagashima; Keiko Takahashi; Masaru Arai; Ryuta Watanabe; Yuji Wakamatsu; Naoto Otsuka; Seina Yagyu; Sayaka Kurokawa; Toshiko Nakai; Kimie Ohkubo; Atsushi Hirayama
Circulation. Arrhythmia and electrophysiology, Oct. 2019, Refereed, Not invited

Current Status and Clinical Outcomes of Oral Anticoagulant Discontinuation After Ablation for Atrial Fibrillation in Japan - Findings From the AF Frontier Ablation Registry.
Oct. 2019, Refereed, Not invited

Novel V-V-A response after right ventricular entrainment pacing for narrow QRS tachycardia: What is the mechanism?
Aug. 2019, Refereed, Not invited

Adverse Clinical Events during Long-Term Follow-Up After Catheter Ablation of Atrial Fibrillation.
Masaru Arai; Yasuo Okumura; Koichi Nagashima; Ichiro Watanabe; Ryuta Watanabe; Yuji Wakamatsu; Naoto Otsuka; Seina Yagyu; Sayaka Kurokawa; Kimie Ohkubo; Toshiko Nakai; Katsuaki Yokoyama; Atsushi Ikeda; Naoya Matsumoto; Satoshi Kunimoto; Eizo Tachibana; Kazuki Iso; Kazumiki Nomoto; Toshimasa Tosaka; Kazumasa Sonoda; Atsushi Hirayama
International heart journal, Jul. 2019, Refereed, Not invited

Electrophysiologic and anatomic factors predictive of a need for touch-up radiofrequency application for complete pulmonary vein isolation: Comparison between hot balloon- and cryoballoon-based ablation.
May 2019, Refereed, Not invited

Anomalous origin of the coronary artery coursing between the great vessels presenting with a cardiovascular event (J-CONOMALY Registry).
Apr. 2019, Refereed, Not invited

The modified ablation index: a novel determinant of acute pulmonary vein reconnections after pulmonary vein isolation.
Jan. 2019, Refereed, Not invited

Coparison of the efficacy of cryoablation for paroxysmal and persistent atrial fibrillation.
2019, Refereed, Not invited

The midified ablation index: a novel determinant of acute pulmonary vein reconnections after pulmonary vein isolation.
2019, Refereed, Not invited

No association between dormant conduction sites and pulmonary vein reconnection sites in late atrial fibrillation recurrence after catheter ablation.
Kazuki Iso; Ichiro Watanabe; Yasuo Okumura; Koichi Nagashima; Keiko Takahashi; Sayaka Kurokawa; Masaru Arai; Ryuta Watanabe; Yuji Wakamatsu; Kimie Ohkubo; Toshiko Nakai; Atsushi Hirayama; Kazumasa Sonoda; Toshimasa Tosaka
Journal of cardiology, Dec. 2018, Refereed, Not invited

Left Atrial Muscular Band Assessed by Three-dimensional Echocardiography.
Dec. 2018, Refereed, Not invited

Anterograde and retrograde insulated pathway conduction evidenced by intracardiac electrogram morphologies during premature ventricular contractions and sinus rhythm.
Dec. 2018, Refereed, Not invited

Single-shot antral isolation of a common pulmonary vein by the hot balloon.
Dec. 2018, Refereed, Not invited

Anterograde and retrograde insulated pathway conduction evidenced by intracardiac electrogram morphologies during premature ventricular contractions and sinus rhythm.
Dec. 2018, Not refereed, Not invited

Single-shot antral isolation of a common pulmonary vein by the hot balloon.
Dec. 2018, Refereed, Not invited

Effect of epicardial fat and metabolic syndrome on reverse atrial remodeling after ablation for atrial fibrillation.
Oct. 2018, Refereed, Not invited

Influence of balloon temperature and time to pulmonary vein isolation on acute pulmonary vein reconnection and clinical outcomes after cryoballoon ablation of atrial fibrillation.
Sep. 2018, Refereed, Not invited

Impact of sinus node recovery time after long-standing atrial fibrillation termination on the long-term outcome of catheter ablation
Naoko Yamaguchi; Yasuo Okumura; Ichiro Watanabe; Koichi Nagashima; Keiko Takahashi; Kazuki Iso; Ryuta Watanabe; Masaru Arai; Hiroaki Mano; Rikitake Kogawa; Sayaka Kurokawa; Kimie Ohkubo; Toshiko Nakai; Atsushi Hirayama; Kazumasa Sonoda; Toshimasa Tosaka
International Heart Journal, 01 May 2018, Not refereed, Not invited

Hot Balloon Versus Cryoballoon Ablation for Atrial Fibrillation: Lesion Characteristics and Middle-Term Outcomes.
Koichi Nagashima; Yasuo Okumura; Ichiro Watanabe; Shiro Nakahara; Yuichi Hori; Kazuki Iso; Ryuta Watanabe; Masaru Arai; Yuji Wakamatsu; Sayaka Kurokawa; Hiroaki Mano; Toshiko Nakai; Kimie Ohkubo; Atsushi Hirayama
Circulation. Arrhythmia and electrophysiology, May 2018, Refereed, Not invited

Impact of Sinus Node Recovery Time after Long-Standing Atrial Fibrillation Termination on the Long-Term Outcome of Catheter Ablation.
Naoko Yamaguchi; Yasuo Okumura; Ichiro Watanabe; Koichi Nagashima; Keiko Takahashi; Kazuki Iso; Ryuta Watanabe; Masaru Arai; Hiroaki Mano; Rikitake Kogawa; Sayaka Kurokawa; Kimie Ohkubo; Toshiko Nakai; Atsushi Hirayama; Kazumasa Sonoda; Toshimasa Tosaka
International Heart Journal, May 2018, Not refereed, Not invited

Comparison of cryoballoon and radiofrequency ablation areas demarcated by postprocedure electroanatomic mapping in patients with atrial fibrillation treated by pulmonary vein isolation.
2018, Refereed, Not invited

Effect of cryoballoon ablation vs. radiofrequency ablation on left atrial ganglionated plexi in patients with atrial fibrillation.
2018, Refereed, Not invited

Predicting left atrial low-voltage areas during sinus rhythm on the basis of low voltage during atrial fibrillation.
2018, Refereed, Not invited

Spatial relations between the standard deviation of complex fractionted electrogram intervals and low-voltage areas in patients with atrial fibrollatin.
2018, Refereed, Not invited

Association between elevated left atrial pressure and poor prognosis ahter PVI for atrial fibrillation.
2018, Refereed, Not invited

Assesssment of ventricular tachycardia scar substrate by intracardiac echocardiography.
2018, Refereed, Not invited

Effect of acute termination of atrial fibrillation on the oputcome of ablation of persistent atrial fibrillation.
2018, Refereed, Not invited

The impact of very early recurrence of atrial fibrillation after cryoablation on the one-year clinical outcome.
2018, Refereed, Not invited

Impact of atrial fibrillation on the vagal stimulatin to ganglionated plexi stimulation: Comparison between patients with and without atrial fibrillation.
2018, Refereed, Not invited

Utility of entrainment pacing to clarify the circuit of macroreentrant tachycardia with dual early sites on activation ap.
2018, Refereed, Not invited

Clinical Implication of Serum Adiponectin on the Progression of Atrial Fibrillation.
Naoko Yamaguchi; Yasuo Okumura; Ichiro Watanabe; Koichi Nagashima; Keiko Takahashi; Kazuki Iso; Ryuta Watanabe; Masaru Arai; Sayaka Kurokawa; Kimie Ohkubo; Toshiko Nakai; Atsushi Hirayama
Journal of Arrhythmia, Dec. 2017, Not refereed, Not invited

Utility of entrainment pacing to clarify the circuit of macroreentrant tachycardia with dual early sites on activation maps.
Nov. 2017, Refereed, Not invited

Influence of the left atrial contact areas on fixed low-voltage zones during atrial fibrillation and sinus rhythm in persistent atrial fibrillation.
Oct. 2017, Refereed, Not invited

Resolution of the functional retrograde right bundle branch block during antidromic atrioventricular reciprocating tachycardia.
Oct. 2017, Refereed, Not invited

Scar characteristics derived from two- and three-dimensional reconstructions of cardiac contrast-enhabced magnetic resonance images: Relationship to ventricular tachycardia inducibility and ablation success.
Kazumasa Sonoda; Yasuo Okumura; Ichiro Watanabe; Koichi Nagashima; Hiroaki Mano; Rikitake Kogawa; Naoko Yamaguchi; Keiko Takahashi; Kazuki Iso; Kimie Ohkubo; Toshiko Nakai; Satoshi Kunimoto; Atsushi Hirayama
Journal of Arrhythmia, Oct. 2017, Not refereed, Not invited

Impact of Body Mass Index on Reverse Atrial Remodeling after Atrial Fibrillation Ablation.
門野越; 奥村恭男; 齋藤佑記; 相澤芳裕; 永嶋孝一; 磯一貴; 高橋啓子; 新井将; 渡邉隆大; 廣高史; 渡辺一郎; 平山篤志
日本循環器学会学術集会(Web), 2017

Relation of Structural and Electrical Remodeling of the Left Atrium and Induction of Sustained Atrial Fibrillation after Pulmonary Vein Isolation
渡邉隆大; 奥村恭男; 渡辺一郎; 永嶋孝一; 磯一貴; 新井将; 黒川早矢香; 平山篤志
日本循環器学会学術集会(Web), 2017

Long-term Stroke Risk after Ablation of Atrial Fibrillation: Comparison with a Non-Ablation Patient Group
新井将; 奥村恭男; 渡辺一郎; 永嶋孝一; 磯一貴; 高橋啓子; 渡邉隆大; 黒川早矢香; 大久保公恵; 中井俊子; 平山篤志
日本循環器学会学術集会(Web), 2017

治療設定ゾーンを外れたVTを発症しICD治療が遅れた1症例
芦野園子; 中井俊子; 大久保公恵; 小船雅義; 奥村恭男; 真野博明; 園田和正; 永嶋孝一; 國本聡; 笠巻祐二; 渡辺一郎; 平山篤志
Journal of Arrhythmia, 2012

不整脈源性右室異形成症に合併した心房頻拍の1例
真野博明; 渡辺一郎; 中井俊子; 國本聡; 笠巻祐二; 奥村恭男; 小船雅義; 大久保公恵; 永嶋孝一; 春田裕典; 園田和正
Journal of Arrhythmia, 2012

向精神病薬でType I Brugada ECGを呈したが,Pilsicainide負荷では有意な変化を示さなかった無症候性Brugada症候群の1症例
小船雅義; 渡邉一郎; 奥村恭男; 園田和正; 古川力丈; 永嶋孝一; 真野博明; 芦野園子; 大久保公恵; 中井俊子; 國本聡; 平山篤志
Journal of Arrhythmia, 2012

Contact Bipolar Mappingによる洞調律時の左房興奮様式
園田和正; 渡辺一郎; 奥村恭男; 永嶋孝一; 真野博明; 小船雅義; 大久保公恵; 中井俊子; 國本聡; 笠巻祐二; 平山篤志
Journal of Arrhythmia, 2012

心房細動合併心不全における心臓再同期療法
Sep. 2019, Not invited

Reset of Atrial Tachycardia by Scanned Atrial Extrastimulus from Downstream Sites on Multielectrode Catheters: A Novel Diagnostic Maneuver to Clarify the Macroreentrant Atrial Tachycardia Circuit.
Jul. 2019, Not invited

Ablation Index vs Lesion Index: Which Is the Better Marker for Lesion Size?
Jul. 2019, Not invited

Multifactorial Analysis for Sex-Differences of Pulmonary Vein Antral Remodeling in Patients with Atrial Fibrillation
Jul. 2019, Not invited

Reset of Atrial Tachycardia by Scanned Atrial Extrastimulus from Downstream Sites on Multielectrode Catheters: A Novel Diagnostic Maneuver to Clarify the Macroreentrant Atrial Tachycardia Circuit.
May 2019, Not invited

What Patients Will Gain Prognostic Benefit from Atrial Fibrillation Ablation? Propensity Score Analysis for a Comparison of Long-term Outcomes Between Ablation (AF Ablation Frontier Registry) vs. Non-ablation (SAKURA AF Registry)
May 2019, Not invited

Discontinuation of Anticoagulant Drugs and Clinical Adverse Events after Catheter Ablation of Atrial Fibrillation in Japan: AF Ablation Frontier Registry
Mar. 2019, Not invited

Comparison of 24-Hour vs 2-Week Continuous Monitoring for Detection of Unknown Atrial Fibrillation among Participants without Prior Atrial Fibrillation Episodes.
Mar. 2019, Not invited

Is Epicardial Adipose Tissue the Cause or Consequence of Atrial Fibrillation?
Mar. 2019, Not invited

The Computation of Atrial Fibrillation Chaos Characteristics Based on Local Electrograms of Pulmonary Veins
Mar. 2019, Not invited

Optimal Diameter of Pulmonary Vein Ostium for 2nd Generation 28-mm Cryoballoon Ablation for Atrial Fibrillation.
Mar. 2019, Not invited

Ablation Index vs Lesion Index: Which is the Better Marker for Lesion Size?
Mar. 2019, Not invited

A Lesion Created by Repeated Applications at the Same Site Distorts the Ablation Index-based Lesion Size.
Mar. 2019, Not invited

369.Different Effects of Cryoballoon Ablation versus Radiofrequency Ablation on High Voltage Zones in the Pulmonary Vein-Left Atrial Junction.
Mar. 2019, Not invited

Sex-Difference of Pulmonary Vein Antral Remodeling in Patients with Atrial Fibrillation.
Mar. 2019, Not invited

Comparison of the Post-ablation Recurrence between Epicardial Adipose Tissue-based Ablation in Addition to Pulmonary Vein Isolation (PVI) vs. PVI Alone.
Mar. 2019, Not invited

The Modified Ablation Index: A Novel Determinant of Acute Pulmonary Vein Reconnections after Pulmonary Vein Isolation.
Mar. 2019, Not invited

CRT多点ペーシングに関する検討
Feb. 2019, Not invited

肺静脈隔離後の冠静脈洞入口部近傍からの期外収縮の治療により洞調律を保持しえた持続性心房細動の１例.
Nov. 2018, Not invited

CRT-D電池交換時のポケット内出血によりペーシング不全をきたした1例
Sep. 2018, Not invited

Preoperative Cardiac Output is Relatively Preserved in CRT Responders
Jul. 2018, Not invited

Influence of Obesity on the Progression of Electrical and Structural Remodeling in a Canine Atrial Fibrillation Model
Jul. 2018, Not invited

Relationship between Ablation Index and Lesion Index for Durable Pulmonary Vein Isolation
Jul. 2018, Not invited

Electrophysiologic and Anatomic Parameters Predicting Additional Touch-up Radiofrequency Application after Hot Balloon-based Pulmonary Vein Isolation
Jul. 2018, Not invited

Ventricular Arrhythmias Originating from Papillary Muscle: Challenging Arrhythmia for Ablation
Jul. 2018, Not invited

High Incidence of Mitral Insufficiency in Women Among Patients with Persistent Atrial Fibrillation
Jul. 2018, Not invited

Lesion Formation after Pulmonary Vein Isolation Using Cryoballoon and Hotballoon in Patients with Atrial Fibrillation
Jul. 2018, Not invited

Comparison of the Force-Time Integral and Novel Lesion Index for a Durable Pulmonary Vein Isolation
Jul. 2018, Not invited

Comparison of Ablation Modalities for Pulmonary Vein Isolation and Operatorsʼ Psychosomatic Stress.
Jul. 2018, Not invited

Relative Influence of the Power, Force, and Time on the Determinants of the Lesion Index and Ablation Index
Jul. 2018, Not invited

Different Major Determinants of Clinically Relevant Events between Young and Elderly Anticoagulated Atrial Fibrillation Patients: Data Findings from the SAKURA AF Registry
Jul. 2018, Not invited

Anomalous Origins of Coronary Arteries Coursing between the Great Vessels Presenting with Cardiovascular Events: Clinical Features, Management, and Major Determinants of Clinical Outcome （J-CONOMALY Registry）
Jul. 2018, Not invited

Comparison Of Ablation Modalities For Pulmonary Vein Isolation And Operators′Psychosomatic Stress
May 2018, Not invited

Quantitative Assessment of Left Ventricular Scar by Intracardiac Echocardiography – Comparison with Voltage Map and Contrast-Enhanced Cardiac MRI Imaging –.
May 2018, Not invited

Is A Vagal Response During Left Atrial Ganglionated Plexi Stimulation A Physiological Phenomenon? – Comparison Between Patients with And Without Atrial Fibrillation.
May 2018, Not invited

Three-dimentional Architecture ff VT Substrate Based on High Resolution Contrast-enhanced Cardiac MRI: Insights for VT Ablation.
May 2018, Not invited

Three-dimentional Architecture ff VT Substrate Based on High Resolution Contrast-enhanced Cardiac MRI: Insights for VT Ablation.
May 2018, Not invited

Antral Lesion Size by Pulmonary Vein Isolation with Balloon-based Techniques Really Matters For Outcome?
May 2018, Not invited

Relation Between Tricuspid Annular Plane Systolic Excursion And NT-proBNP-defined Improvement In Cardiac Function After CRT Device Implantation.
May 2018, Not invited

Comparison Of Ablation Modalities For Pulmonary Vein Isolation And Operators’ Psychosomatic Stress.
May 2018, Not invited

Influence Of Obesity On The Progression Of Electrical And Structural Remodeling In A Canine Atrial Fibrillation Model.
May 2018, Not invited

Validation Of The Lesion Size Index In An In Vitro Porcine Heart: Implication Of A Durable Pulmonary Vein Isolation.
May 2018, Not invited

Importance of Epicardial Adipose Tissue on Reverse Atrial Remodeling after Atrial Fibrillation Ablation.
Mar. 2018, Not invited

Spatial Relations between Standard Deviation of the Complex Fractionated Atrial Electrogram Intervals and Low-voltage Areas in Patients with Atrial Fibrillation
Mar. 2018, Not invited

通電中、一過性完全房室ブロックとなったが、根治し得たヒス束近傍を起源とした心室性期外収縮の１例.
Jul. 2017, Not invited

減衰伝導特性を有するATP感受性右側自由壁房室副伝導路を介した逆行性房室回帰性頻拍(AVRT)の１例.
Jul. 2017, Not invited

近似した頻拍周期を有する２種類の上室頻拍を認めた１例.
Jul. 2017, Not invited

心内膜側・外膜側を含んだ三次元回路が推定され、不整脈源性右室心筋症の合併が示唆された心室中隔欠損術後の心室頻拍の１例.
Jul. 2017, Not invited

頻発する心房頻拍・心室頻拍の治療に難渋した心筋炎後拡張型心筋症の一症例．
Jul. 2017, Not invited

Hotballoon vs. Cryoballoon ablation for atrila fibrillation: Lesion analyses and complication.
May 2017, Not invited

Efficacy and Safety of Low Dosing of Direct Oral Anticoagulants for Atrial fibrillation in Japan: Data From the SAKURA AF Registry.
May 2017, Not invited

Considering QRS duration in light of body weight in Japanese cardiac resynchronization therapy candidates.
May 2017, Not invited

High voltage zones within the pulmonary vein antra: major determinants of pulmonary vein reconnection after atrial fibrillation ablation.
May 2017, Not invited

Efficacy of additional touch-up radiofrequency ablation for residual /dormant pulmonary vein conduction after cryoballoon ablation.
May 2017, Not invited

Comparison of the efficacy of cryoablation for paroxysmal and persistent atrial fibrillation. The 81st Annual Scientific Meetiong of the Japanese Circulation Society.
Mar. 2017, Not invited

Wavefront direction and cycle length influence lefr atrial electrogram amplitude and dominant frequency. The 81st Annual Scientific Meetiong of the Japanese Circulation Society.
Mar. 2017, Not invited

Relation of structural and electrical remodeling of the left atrium and induction of sustained atrial fibrillation after pulmonary vein isolation.
Mar. 2017, Not invited

High voltage zones within the pulmonary vein antra: Majoe determinants of pulmonary vein reconnection after atrial fibrillation ablation.
Mar. 2017, Not invited

Impact of body mass index on reverse atrial remodeling after atrial fibrillation ablation. The 81st Annual Scientific Meetiong of the Japanese Circulation Society.
Mar. 2017, Not invited

Relation of pulmonary vein – cryoballoon angle and PV ntrum voltage on the residual /dormant pulmonary vein conduction.
Mar. 2017, Not invited

Long-term stroke risk after ablation of atrial fibrillation: Comparison with a non-ablation patient group.
Mar. 2017, Not invited

Complex fractionated atrial electrograms, high dominant frequency regions, and left atrial voltages during sinus rhythm and atrial fibrillation.
Mar. 2017, Not invited

Considering QRS duration in light of body weight in Japanese cardiac resynchronization candidates.
Mar. 2017, Not invited

減衰伝導特性を有するATP感受性右房自由壁房室副伝導路を介し逆行性房室回帰性頻拍 (AVRT)を認めた一例.
Feb. 2017, Not invited

Deep learning to clarify the mechanisms of atrial fibrillation
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, 01 Apr. 2022 - 31 Mar. 2025
永嶋 孝一

Electrophysiological mechanism of atrial fibrillation
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, 01 Apr. 2018 - 31 Mar. 2020
NAGASHIMA Koichi