Successful catheter ablation of premature ventricular contractions originating from the anterior fascicle of the left bundle branch in a patient with hypertrophic cardiomyopathy

by Kazumasa Sonoda, Yasuo Okumura, Ichiro Watanabe, Koichi Nagashima, Hiroaki Mano, Masayoshi Kofune, Satoshi Kunimoto, Kimie Ohkubo, Toshiko Nakai, Atsushi Hirayama
Published 2013-08-01

Termination of atrial fibrillation by ablation of high-dominant frequency sites adjacent to epicardial adipose tissue

by Koichi Nagashima, Shiro Nakahara, Yasuo Okumura, Hiroaki Mano, Kazumasa Sonoda, Rikitake Kogawa, Naoko Sasaki, Kan Takayanagi, Ichiro Watanabe, Atsushi Hirayama
Published 2013-08-01

A case of typical atrial flutter causing unexpected advanced atrioventricular block despite lateral cavotricuspid isthmus ablation

by Hiroaki Mano, Yasuo Okumura, Ichiro Watanabe, Koichi Nagashima, Toshiko Nakai, Kimie Ohkubo, Tatsuya Kofune, Masayoshi Kofune, Kazumasa Sonoda, Hironori Haruta, Atsushi Hirayama
Published 2012-10-01

Prevalence and significance of the early repolarization pattern in inferolateral leads in patients with Brugada syndrome: A single-center study

by Kimie Ohkubo, Ichiro Watanabe, Yasuo Okumura, Masayoshi Kofune, Koichi Nagashima, Hiroaki Mano, Kazumasa Sonoda, Toshiko Nakai, Yuji Kasamaki, Atsushi Hirayama, Naokata Sumitomo, Tomohiro Nakayama
Published 2012-10-01

Electrical storm after cardiac resynchronization therapy in a patient with nonischemic cardiomyopathy: Signal‐averaged vector‐projected 187‐channel electrocardiogram‐based risk str...

by Toshiko Nakai, Hiroaki Mano, Yukitoshi Ikeya, Kazumasa Sonoda, Sonoko Ashino, Yasuo Okumura, Kimie Ohkubo, Satoshi Kunimoto, Yuji Kasamaki, Ichiro Watanabe, Atsushi Hirayama, Kenji Nakai
Published 2013-12-01

Atrial tachycardia in a patient with arrhythmogenic right ventricular cardiomyopathy/dysplasia

by Hiroaki Mano, Ichiro Watanabe, Yasuo Okumura, Kazumasa Sonoda, Koichi Nagashima, Toshiko Nakai, Kimie Ohkubo, Tatsuya Kofune, Hironori Haruta, Masayoshi Kofune, Satoshi Kunimoto, Atsushi Hirayama
Published 2013-08-01

Scar characteristics derived from two- and three-dimensional reconstructions of cardiac contrast-enhanced magnetic resonance images: Relationship to ventricular tachycardia inducib...

by 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
Published 2017-10-01

Supraventricular tachyarrhythmia in patients with Brugada syndrome: A single-center study

by Kimie Ohkubo, Ichiro Watanabe, Yasuo Okumura, Masayoshi Kofune, Koichi Nagashima, Hiroaki Mano, Kazumasa Sonoda, Toshiko Nakai, Satoshi Kunimoto, Yuji Kasamaki, Atsushi Hirayama, Naokata Sumitomo, Tomohiro Nakayama
Published 2013-10-01

Shortening of intraventricular conduction time with rapid ventricular pacing

by Naoko Sasaki, MD, Ichiro Watanabe, MD, Yasuo Okumura, MD, Kazumasa Sonoda, MD, Rikitake Kogawa, MD, Keiko Takahashi, MD, Kimie Ohkubo, MD, Toshiko Nakai, MD, Atsushi Hirayama, MD
Published 2014-10-01

Influence of balloon temperature and time to pulmonary vein isolation on acute pulmonary vein reconnection and clinical outcomes after cryoballoon ablation of atrial fibrillation

by Ryuta Watanabe, Yasuo Okumura, Koichi Nagashima, Kazuki Iso, Keiko Takahashi, Masaru Arai, Yuji Wakamatsu, Sayaka Kurokawa, Kimie Ohkubo, Toshiko Nakai, Shunichi Yoda, Ichiro Watanabe, Atsushi Hirayama, Kazumasa Sonoda, Toshimasa Tosaka
Published 2018-10-01

Analysis of the spatial and transmural dispersion of repolarization and late potentials derived using signal-averaged vector-projected 187-channel high-resolution electrocardiogram...

by Kimie Ohkubo, MD, Ichiro Watanabe, MD, Yasuo Okumura, MD, Kazumasa Sonoda, MD, Naoko Sasaki, MD, Rikitake Kogawa, MD, Keiko Takahashi, MD, Toshiko Nakai, MD, Satoshi Kunimoto, MD, Yuji Kasamaki, MD, Atsushi Hirayama, MD
Published 2014-12-01

Spatial and temporal variability of the complex fractionated atrial electrogram activity and dominant frequency in human atrial fibrillation

by Rikitake Kogawa, MD, Yasuo Okumura, MD, Ichiro Watanabe, MD, Masayoshi Kofune, MD, Koichi Nagashima, MD, Hiroaki Mano, MD, Kazumasa Sonoda, MD, Naoko Sasaki, MD, Kimie Ohkubo, MD, Toshiko Nakai, MD, Atsushi Hirayama, MD
Published 2015-04-01

Spatial and transmural repolarization, and dispersion of repolarization and late potentials evaluated using signal-averaged vector-projected 187-channel high-resolution electrocard...

by Kimie Ohkubo, MD, Ichiro Watanabe, MD, Yasuo Okumura, MD, Masayoshi Kofune, MD, Koichi Nagashima, MD, Hiroaki Mano, MD, Kazumasa Sonoda, MD, Toshiko Nakai, MD, Yuji Kasamaki, MD, Atsushi Hirayama, MD, Naokata Sumitomo, MD, Tomohiro Nakayama, MD
Published 2014-12-01

Monophasic action potential duration alternans after abrupt shortening of the cardiac cycle in humans

by Kazumasa Sonoda, MD, Ichiro Watanabe, MD, Yasuo Okumura, MD, Naoko Sasaki, MD, Rikitake Kogawa, MD, Keiko Takahashi, MD, Hiroaki Mano, MD, Masayoshi Kofune, MD, Kimie Ohkubo, MD, Toshiko Nakai, MD, Satoshi Kunimoto, MD, Atsushi Hirayama, MD
Published 2014-06-01

A case of cardiac sarcoidosis presenting with double tachycardia

by Keiko Takahashi, MD, Yasuo Okumura, MD, Ichiro Watanabe, MD, Koichi Nagashima, MD, Hiroaki Mano, MD, Kazumasa Sonoda, MD, Rikitake Kogawa, MD, Naoko Sasaki, MD, Kazuki Iso, MD, Kimie Okubo, MD, Toshiko Nakai, MD, Atsushi Hirayama, MD
Published 2015-02-01

Effect of adenosine triphosphate on left atrial electrogram interval and dominant frequency in human atrial fibrillation

by Rikitake Kogawa, MD, Yasuo Okumura, MD, Ichiro Watanabe, MD, Masayoshi Kofune, MD, Koichi Nagashima, MD, Hiroaki Mano, MD, Kazumasa Sonoda, MD, Naoko Sasaki, MD, Kazuki Iso, MD, Keiko Takahashi, Kimie Ohkubo, MD, Toshiko Nakai, MD, Atsushi Hirayama, MD
Published 2015-12-01

Usefulness of filtered unipolar electrogram morphology for evaluating transmurality of ablated lesions during pulmonary vein isolation

by Rikitake Kogawa, MD, Ichiro Watanabe, MD, Yasuo Okumura, MD, Hiroaki Mano, MD, Kazumasa Sonoda, MD, Koichi Nagashima, MD, Naoko Sasaki, MD, Kimie Ohkubo, MD, Keiko Takahashi, MD, Kazuki Iso, MD, Sayaka Kurokawa, MD, Toshiko Nakai, MD, Atsushi Hirayama, MD
Published 2016-04-01

Brugada syndrome in the presence of coronary artery disease

by Kimie Ohkubo, MD, Ichiro Watanabe, MD, Yasuo Okumura, MD, Masayoshi Kofune, MD, Koichi Nagashima, MD, Hiroaki Mano, MD, Kazumasa Sonoda, MD, Rikitake Kogawa, MD, Naoko Sasaki, MD, Toshiko Nakai, MD, Satoshi Kunimoto, MD, Yuji Kasamaki, MD, Atsushi Hirayama, MD
Published 2013-08-01

Effects of a high-fat diet on the electrical properties of porcine atria

by Yasuo Okumura, MD, Ichiro Watanabe, MD, Koichi Nagashima, MD, Kazumasa Sonoda, MD, Naoko Sasaki, MD, Rikitake Kogawa, MD, Keiko Takahashi, MD, Kazuki Iso, MD, Kimie Ohkubo, MD, Toshiko Nakai, MD, Rie Takahashi, Yoshiki Taniguchi, Masako Mitsumata, MD, Mizuki Nikaido, BE, Atsushi Hirayama, MD
Published 2015-12-01

Left atrial remodeling: Regional differences between paroxysmal and persistent atrial fibrillation

by Rikitake Kogawa, MD, Yasuo Okumura, MD, Ichiro Watanabe, MD, Koichi Nagashima, MD, Keiko Takahashi, MD, Kazuki Iso, MD, Ryuta Watanabe, MD, Masaru Arai, MD, Sayaka Kurokawa, MD, Kimie Ohkubo, MD, Toshiko Nakai, MD, Atsushi Hirayama, MD, Kazumasa Sonoda, MD, Toshimasa Tosaka, MD
Published 2017-10-01