Title: Impact of Afterload-Integrated Diastolic Index on Prognosis in Elderly Patients With Heart Failure With Preserved Ejection Fraction With and Without Atrial Fibrillation

Credits: Shiro Hoshida, Yukinori Shinoda, Koichi Tachibana, Tomoko Minamisaka, Takahisa Yamada, Yoshio Yasumura, Shunsuke Tamaki, Takaharu Hayashi, Masamichi Yano, Shungo Hikoso, Yasushi Sakata

Title: Bipolar Voltage Mapping for the Evaluation of Atrial Substrate: Can We Overcome the Challenge of Directionality?

Credits: Takanori Yamaguchi, MD, Akira Fukui, MD, PhD, and Koichi Node, MD, PhD

Title: The Impact of Cancer on Major Bleeding and Stroke/Systemic Emboli in Patients Using Direct Oral Anticoagulants:From the Database of a Single-Center Registry

Credits: Takao Sato, Yoshifusa Aizawa, Koichi Fuse, Satoshi Fujita, Yoshio Ikeda, Hitoshi Kitazawa, Minoru Takahashi, Masaaki Okabe

Title: Mechanistic Insights Into Durable Pulmonary Vein Isolation Achieved by Second-Generation Cryoballoon Ablation

Credits: Yasuo Okumura, MD*, Ichiro Watanabe, MD*, Kazuki Iso, MD*, Keiko Takahashi, MD*, Koichi Nagashima, MD*, Kazumasa Sonoda, MD*, Hiroaki Mano, MD*, Naoko Yamaguchi, MD*, Rikitake Kogawa, MD*, Ryuta Watanabe, MD*, Masaru Arai, MD*, Kimie Ohkubo, MD*, Sayaka Kurokawa, MD*, Toshiko Nakai, MD*, Atsushi Hirayama, MD*

Title: Impaired erythrocyte deformability in patients with coronary risk factors: Significance of nonvalvular atrial fibrillation

Credits: Keita Odashiro, Toru Maruyama, Taku Yokoyama, Hisataka Nakamura, Mitsuhiro Fukata, Shioto Yasuda, Kazuyuki Saito, Takehiko Fujino, Koichi Akashi