Kazuo Shimamura
Latest contributions
Expanding indications for TAVI - moderate aortic stenosis and heart failure
09 Feb 2025 – From PCR Tokyo Valves 2025
Should you intervene earlier in patients with moderate aortic stenosis and heart failure? This session breaks down the latest trials shaping clinical decisions.
You'll get the key takeaways from EARLY TAVR, EVOLVED, TAVR UNLOAD, PROGRESS and EXPAND TAVR II (what they reveal, what they don’t and how...
Standardised implant technique with self-expandable valve
08 Feb 2025 – From PCR Tokyo Valves 2025
Don’t miss this PCR Tokyo Valves 2025 session replay, where leading experts share key techniques for simplifying and optimising TAVI procedures with the Evolut device. This session covers essential insights into safely performing procedures on patients with various anatomical types using the self-expandable valve, while emphasising...
Nightmare in TAVI
08 Feb 2025 – From PCR Tokyo Valves 2025
Watch this session replay featuring two challenging cases: valve embolisation with a balloon-expandable valve and coronary obstruction with a self-expandable valve. Learn key lessons from the first case, including the importance of secure pacing, avoiding damage to the descending aorta while retrieving the embolised valve, and...
TAVI complex cases: intravascular hemolysis, Heyde syndrome & more
08 Feb 2025 – From PCR Tokyo Valves 2025
This session presents a diverse array of complex TAVI cases, from interventions for paravalvular leak-induced intravascular hemolysis to cases of severe aortic tortuosity, calcification hindering valve expansion, and successful TAVI in patients with Heyde syndrome and HIV infection. Gain valuable insights into navigating these challenging scenarios.
Contemporary techniques for TAV-in-SAV interventions
18 Feb 2024 – From PCR Tokyo Valves 2024
Thanks to this session, take a look at the current outcomes of TAV-in-SAV, analyse the different types of valves and their fracturability, find out more, through case studies, about two different TAV-in-SAV techniques, with or without a stent, and learn how to avoid patient prosthesis mismatch...
TAVI and future coronary access - LIVE case
18 Feb 2024 – From PCR Tokyo Valves 2024
An 81-year-old woman, with a history of breast cancer surgery, stroke, and lymphoma remission, presented a severe symptomatic aortic stenosis associated with a suspicion of right coronary artery disease on the CT. The operators decided to perform TAVI first and then control the RCA by angiography...
Learn the procedure technique - Lifetime management of aortic stenosis therapy with self-expandable valve
18 Feb 2024 – From PCR Tokyo Valves 2024
In this session, learn all about the excellent characteristics of the latest self-expandable valve system and its use during the lifetime management of aortic stenosis therapy. Find out more about how we can effectively and safely perform procedures for various cases with the latest self-expandable valve,...
The optimal first valve choice for patients with aortic stenosis - Key considerations for lifetime management
17 Feb 2024 – From PCR Tokyo Valves 2024
This session tackles the pressing topic of TAVI's success in treating aortic stenosis, particularly in younger patients, and the ensuing questions regarding device durability, potential follow-up procedures, and the interplay between TAVI and surgical options. The aim is to ensure optimal decision-making that prioritizes patient welfare...
TAVI in challenging anatomies
17 Feb 2024 – From PCR Tokyo Valves 2024
Consult this session to learn more about how to manage complex anatomy and complications during TAVI. Learn about successful cases of PTMC and TAVI performed simultaneously, gain insight into TAVI considerations and techniques for a very severely calcified aortic valve, and explore a scientific and safe...
TAVI for patients with concomitant coronary artery disease - LIVE case
17 Feb 2024 – From PCR Tokyo Valves 2024
An 88-year-old male presented a severe symptomatic aortic valve with preserved LV function (64%), a coronary artery disease with a LAD PCI a few years ago and a significant (75%) RCA stenosis with an FFR angio at 0.74. He also has a short membrane septum (2.5...
Mastering techniques from basic to complex - TAVI basics
16 Feb 2024 – From PCR Tokyo Valves 2024
This session focuses on the basics of TAVI intervention. Learn more about vascular access and closure, the techniques of valve crossing predilatation and wire pacing, and discover the uses of the Evolut FX System for TAVI!
My worst nightmare in TAVI
Listen to our experts share their most nightmarish TAVI cases and follow the debate around their treatments. For instance, would you make the same choices when faced with a 76-year-old female patient diagnosed as severe AS, transferred for SAVR/TAVI, who got a new Abif and cardiogenic...
TAVI in patients with heavily calcified aortic root
19 Feb 2023 – From PCR Tokyo Valves 2023
What role does TAVI play in patients' severely calcified roots? Study the use of balloon-expandable devices, assessing the impact of calcification on aortic root rupture, strategies for safe and effective procedures, and when to consider surgical AVR.
Technical challenges and optimal device choice for complex TAVI procedures
18 Feb 2023 – From PCR Tokyo Valves 2023
This session reflects on the importance of device choice and implantation technique in complex TAVI procedures. Uncover challenges in TAVI for failed bioprostheses and bicuspid aortic valves, emphasising optimal device selection and exploring the latest evolutions in TAVI such as the Medtronic.
The optimal first valve choice for all patients with aortic stenosis
18 Feb 2023 – From PCR Tokyo Valves 2023
How have advances in TAVI impacted the lifetime journey of patients with aortic stenosis? Join this panel of experts as they discuss the importance of optimizing the first procedure and the key issues regarding treatment options in patients with bioprosthetic valve deterioration of transcatheter heart valve.
How to optimise procedural outcomes of TAVI in contemporary practice
05 Jan 2023
Watch the replay of this 3rd of #PCRtokyo 2022’s six live webinars with M. Lee, Y. Ohno, K. Shimamura and D. Tchétché.
Bicuspid aortic valves: where do we stand?
26 Sep 2021 – From PCR Tokyo Valves 2021
Watch this session to learn more about bicuspid aortic valves: understand patient selection for TAVI, explore sizing and valve selection, and discover the key procedural steps for TAVI in bicuspid AV.
Troubleshooting transcatheter aortic valve implantation (TAVI) for common complications: my worst nightmare - Part 2
16 Feb 2020 – From PCR Tokyo Valves 2020
Consult this session to learn more about how to provide practical troubleshooting on transcatheter aortic valve implantation (TAVI) for common complications, such as annulus rupture, aortic rupture and ischemic stroke, and get insight into the pre-procedural planning to prevent these complications.
Abstracts in TAVI
16 Feb 2020 – From PCR Tokyo Valves 2020
Consult this session to discover various abstracts in TAVI, such as: combination of malnutrition and muscle weakness deteriorates clinical outcomes after TAVR, 3D printed silicone casted TAVI training simulator, TAVR with the new balloon-expandable SAPIEN 3 Ultra vs. SAPIEN 3 valve system, and more!
Complication cases
15 Feb 2020 – From PCR Tokyo Valves 2020
Consult this session to learn through a selection of complications cases how to manage transcatheter aortic valve migration, aorto-right ventricular fistula after TAVI, and sudden haemodynamic collapse during TAVI.
Remaining limitation of TAVI
15 Feb 2020 – From PCR Tokyo Valves 2020
Consult this session to learn more about the remaining limitation of TAVI, such as conduction abnormalities, coronary access, severe aortic valve calcification, thanks to a selection of various interesting cases.
