Title: Extensive Left Atrial Low-Voltage Area During Initial Ablation is Associated with A Poor Clinical Outcome Even Following Multiple Procedures

Credits: Takashi Kanda, Masaharu Masuda, Mitsutoshi Asai, Osamu Iida, Shin Okamoto, Takayuki Ishihara, Kiyonori Nanto, Takuya Tsujimura, Yasuhiro Matsuda, Yosuke Hata, Hiroyuki Uematsu, Toshiaki Mano, Takashi Kanda, Masaharu Masuda, Mitsutoshi Asai, Osamu Iida, Shin Okamoto, Takayuki Ishihara, Kiyonori Nanto, Takuya Tsujimura, Yasuhiro Matsuda, Yosuke Hata, Hiroyuki Uematsu, Toshiaki Mano

Title: High Brain Natriuretic Peptide Level Predicts The Prevalence Of Low-Voltage Areas And Poor Rhythm Outcome In Patients Undergoing Atrial Fibrillation Ablation

Credits: Yasuhiro Matsuda, MD, Masaharu Masuda, MD, PhD*, Mitsutoshi Asai, MD, PhD, Osamu Iida, MD, Shin Okamoto, MD, Takayuki Ishihara, MD, Kiyonori Nanto, MD, Takashi Kanda, MD, Takuya Tsujimura, MD, Shota Okuno, MD, Yosuke Hata, MD, Hiroyuki Uematsu, MD, and Toshiaki Mano, MD, PhD

Title: Low-Voltage Areas as Alternative Targetsfor the Ablation of unmappable Atrial Tachycardiain Patients Undergoing Atrial Fibrillation Ablation

Credits: Masaharu Masuda, MD, PhD, MitsutoshiAsai, MD, PhD, Osamu Iida, MD, Shin Okamoto, MD, Takayuki Ishihara, MD, Kiyonori Nanto, MD, Takashi Kanda, MD, Takuya Tsujimura, MD, Yasuhiro Matsuda, MD, Shota Okuno, MD, MD, Toshiaki Mano, MD, PhD

Title: Differences of the Bi-Atrial Substrate Properties in Patients with Different Types of AF

Credits: Kazuyoshi Suenari, MD, Hidekazu Hirao, MD, Mitsunori Okamoto, MD, Yasuki Kihara, MD, Shih-Ann Chen, MD