Tomonari Moriizumi

Interventional cardiologist / Cardiologist
Keio University Hospital - Shinjuku-Ku, Japan

Latest contributions

TAVI - Procedural complications

20 May 2025 – From EuroPCR 2025

Review procedural complications encountered during TAVI, including rare adverse events, management of balloon rupture, annulus rupture with tamponade, and unexpected intraoperative challenges. Gain insights into innovative rescue techniques and decision-making under critical conditions.

TAVI - Procedural complications

Valve in valve in small degenerative surgical bioprosthesis - LIVE case

09 Feb 2025 – From PCR Tokyo Valves 2025

A 74-year-old female with a permanent pacemaker and preserved LV function presented with a symptomatic degenerative surgical valve (SJ Epic 21) implanted in 2016.
Patient underwent implantation of an Evolut FX 26 mm under general anesthesia with cerebral embolic protection and TEE guidance. A surgical valve fracture...

Valve in valve in small degenerative surgical bioprosthesis - LIVE case

Complex anatomical features

09 Feb 2025 – From PCR Tokyo Valves 2025

Dive into a captivating session that explores complex anatomical features in interventional cardiology. Discover dynamic improvements in tricuspid valve coaptation and regurgitation post-TAVI, the overlooked threat of aortic stenosis hidden by mitral stenosis, marked improvement in left ventricular function after simultaneous TAVI and M-TEER, recognition of...

Complex anatomical features

TAVI in small annulus - LIVE case

08 Feb 2025 – From PCR Tokyo Valves 2025

A 79-year-old female with CAD (stenosis in the mid-LAD), asthma, and diabetes presented with symptomatic severe aortic stenosis. Left ventricular function was preserved, with an annulus measuring 355 mm², and the valves were heavily calcified.

A Navitor Vision valve was implanted with predilatation (18 mm balloon) under...

TAVI in small annulus - LIVE case