Utility of entrainment pacing to clarify the circuit of macroreentrant tachycardia with dual early sites on activation maps

by Koichi Nagashima, MD, PhD, Yasuo Okumura, MD, PhD, Ryuta Watanabe, MD, Masaru Arai, MD, Yuji Wakamatsu, MD, Ichiro Watanabe, MD, PhD
Published 2018-02-01

Wavefront direction and cycle length affect left atrial electrogram amplitude

by Kazuki Iso, MD, Ichiro Watanabe, MD, Rikitake Kogawa, MD, Yasuo Okumura, MD, Koichi Nagashima, MD, Keiko Takahashi, MD, Ryuta Watanabe, MD, Masaru Arai, MD, Kimie Ohkubo, MD, Toshiko Nakai, MD, Atsushi Hirayama, MD, Mizuki Nikaido, MD
Published 2017-08-01

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

Complex fractionated atrial electrograms, high dominant frequency regions, and left atrial voltages during sinus rhythm and atrial fibrillation

by Naoko Sasaki, MD, Ichiro Watanabe, MD, Yasuo Okumura, MD, Koichi Nagashima, MD, Rikitake Kogawa, MD, Kazumasa Sonoda, MD, Kazuki Iso, MD, Keiko Takahashi, MD, Masaru Arai, MD, Ryuta Watanabe, MD, Sayaka Kurokawa, MD, Kimie Ohkubo, MD, Toshiko Nakai, MD, Atsushi Hirayama, MD, Mizuki Nikaido, BS
Published 2017-06-01

Clinical implications of serum adiponectin on progression of atrial fibrillation

by Naoko Yamaguchi, MD, PhD, Yasuo Okumura, MD, PhD, Ichiro Watanabe, MD, PhD, Koichi Nagashima, MD, PhD, Keiko Takahashi, MD, Kazuki Iso, MD, Ryuta Watanabe, MD, Masaru Arai, MD, Sayaka Kurokawa, MD, Kimie Ohkubo, MD, PhD, Toshiko Nakai, MD, PhD, Atsushi Hirayama, MD, PhD
Published 2017-12-01