Comparative assessment of 4D CT-derived geometric and effective orifice areas in severe aortic stenosis.
Takahiko Kai; Daiki Ajiro; Toshiya Yoshida; Masahiro Sekiguchi; Yoshikuni Kobayashi; Tetsu Tanaka; Ami Saito; Tatsuro Shoji; Ryutaro Oda; Daisuke Miyahara; Yuki Harashima; Noriko Shiokawa; Taishi Okuno; Yukio Sato; Shingo Kuwata; Yasuyoshi Ogawa; Miki Sakamoto; Masaki Izumo; Yoshihiro J Akashi
International journal of cardiology, 15 Jul. 2026

Excellent endothelialization of the GORE CARDIOFORM septal occluder: first-in-human in vivo angioscopic assessment.
Yasuhiro Tanabe; Taturo Shouji; Ryutaro Oda; Daisuke Miyahara; Yukio Sato; Taishi Okuno; Shingo Kuwata; Masaki Izumo; Yoshihiro J Akashi
The Journal of invasive cardiology, Aug. 2025

Diastolic Stress Echocardiography Using the Six-Minute Walk Test in Asymptomatic Patients With Aortic Stenosis.
Ryutaro Oda; Masaki Izumo; Daisuke Miyahara; Mitsuki Yamaga; Tatsuro Shoji; Risako Murata; Taishi Okuno; Yukio Sato; Shingo Kuwata; Yoshihiro J Akashi
The American journal of cardiology, 01 Jul. 2025

The value of the dynamic changes in cardiac power output in aortic stenosis patients following transcatheter aortic valve implantation: an exercise stress echocardiography study.
Daisuke Miyahara; Masaki Izumo; Yukio Sato; Tatsuro Shoji; Risako Murata; Ryutaro Oda; Taishi Okuno; Shingo Kuwata; Yoshihiro J Akashi
Journal of echocardiography, Jun. 2025

Prediction of symptom development and aortic valve replacement in patients with low-gradient severe aortic stenosis.
Daisuke Miyahara; Masaki Izumo; Yukio Sato; Tatsuro Shoji; Risako Murata; Ryutaro Oda; Taishi Okuno; Shingo Kuwata; Yoshihiro J Akashi
European heart journal open, Mar. 2024