Won-Keun Kim

Won-Keun Kim

Interventional cardiologist / Cardiologist
UKGM Friedrichstraße Gießen - Giessen, Germany

Latest contributions

Other valvular and structural interventions

20 May 2026 – From EuroPCR 2026

Covering a spectrum of valvular and structural heart interventions, this session discusses systemic aortic valve TEER in complex congenital cases, compares TAVI and surgical AVR outcomes via meta-analysis, highlights radiation protection advances in complex endovascular repair, and presents combined mitral and tricuspid TEER techniques, novel ultrasound...

Other valvular and structural interventions

TAVI procedural complications - Part 4: vascular complications, coronary issues and more

20 May 2026 – From EuroPCR 2026

This session addresses a spectrum of procedural complications encountered in TAVI, focusing on vascular issues, coronary challenges, and device-related difficulties. Case presentations include partial prosthesis expansion, emergency thoracic aortic stenting, repeat balloon valvuloplasty, revascularization dilemmas, and complex valve-in-valve procedures. The discussion provides practical perspectives on managing...

How to plan and perform TAVI in more challenging tricuspid AS anatomies?

12 May 2026

Watch this replay to learn how to anticipate anatomical challenges and optimize TAVI planning in complex tricuspid AS cases.

High calcium, high stakes: managing severe AS with complex multivessel disease

12 May 2026

A 69-year-old woman with severe symptomatic aortic stenosis (NYHA III) and complex comorbidities, including three-vessel coronary artery disease, advanced COPD, and peripheral artery disease, presents with progressive dyspnoea despite recent PCI. How would you treat this patient?

Author

Matti Adam

Author

Ole De Backer
Won-Keun Kim

Author

Won-Keun Kim

Self-made steerable catheter to cross the aortic valve in severe aortic stenosis

15 Apr 2026

When standard catheters and wires repeatedly fail to cross a severely stenotic aortic valve, a simple modification of readily available equipment may provide a solution.

This step-by-step tutorial explains how to create and use a self-made steerable catheter system to facilitate valve crossing in complex TAVI anatomies.

Author

Osama Bisht
Won-Keun Kim

Author

Won-Keun Kim
Robert R. Flieger

Author

Robert R. Flieger

Valve choice for TAVI: pros and cons for intra- and supraanular prostheses

16 Apr 2026

In this expert review, Won-Keun Kim discusses key considerations for patient‑tailored transcatheter heart valve selection in index TAVI procedures, highlighting how valve type and design influence procedural success, long‑term outcomes, and lifetime management.

Won-Keun Kim

Author

Won-Keun Kim

Overcoming complexity in TAVI: a patient-centered approach

12 Jan 2026

Discover how to overcome complexity in TAVI, in this replay featuring H. Möllmann and guests R. Hahn, W-K. Kim and P. Lauten.

How to manage Safari wire entrapment during TAVI with Navitor THV

19 Jan 2026

Safari wire entrapment during TAVI is a rare but potentially serious complication, particularly with sheathless self-expanding valves. In this My Toolkit article, we describe a simple, effective technique using a parallel stiff guidewire to safely retrieve both the catheter and the entrapped Safari wire when performing...

Mauro Boiago

Author

Mauro Boiago
Neila Sayah

Author

Neila Sayah
Stéphane Champagne

Author

Stéphane Champagne

Author

Antoinette Neylon

Featured research - TAVI - Part 13

18 Nov 2025 – From PCR London Valves 2025

This session delves into key clinical and procedural advances in TAVI, including the randomized PAF-TAVI trial assessing amiodarone for preventing post-TAVI atrial fibrillation, cost comparisons of balloon-expandable tissue preservation valves versus other devices, leaflet modification methods to reduce coronary obstruction risk, optimization techniques for valve-in-valve TAVI...

The index valve matters: optimal index TAVI for a lifetime of possibilities

18 Nov 2025 – From PCR London Valves 2025

Discover how thoughtful index valve selection and implantation techniques can shape the long-term management of patients undergoing TAVI. This PCR London Valves 2025 session highlights treatment considerations for low- and intermediate-risk patients, explores how valve choice affects the feasibility of future interventions, and examines strategies to...

The index valve matters: optimal index TAVI for a lifetime of possibilities

Mastering complex TAVI: overcoming key clinical challenges and achieving optimal outcomes with the Evolut FX+

17 Nov 2025 – From PCR London Valves 2025

This session offers an in-depth review of complex TAVI cases, focusing on overcoming clinical challenges and achieving optimal outcomes with the Evolut FX+ device. Participants will learn about recent advances in TAVI indications for younger and asymptomatic patients, strategies for managing TAV in surgical aortic valve...

Mastering complex TAVI: overcoming key clinical challenges and achieving optimal outcomes with the Evolut FX+

Featured research: innovations, safety and evolving pathways in modern TAVI care

16 Nov 2025 – From PCR London Valves 2025

This session addresses contemporary challenges in TAVI, including management of acute valve syndrome through service innovations and the application of Valvosoft non-invasive ultrasound therapy in severe aortic stenosis. It also explores complications such as infective endocarditis post-TAVI, evaluates the feasibility of same-day discharge protocols, and assesses...

Featured research: innovations, safety and evolving pathways in modern TAVI care

Align for the future with next gen Myval transcatheter heart valve series

16 Nov 2025 – From PCR London Valves 2025

Discover how the latest Myval transcatheter heart valve (THV) innovations are shaping TAVI outcomes. This PCR London Valves 2025 session highlights the clinical evidence behind the next-gen Myval THV series, best practices for implantation, and upcoming innovations set to improve patient care. Learn step-by-step techniques for deploying Myval...

Align for the future with next gen Myval transcatheter heart valve series

Patient-tailored TAVI in bicuspid and tricuspid aortic stenosis

16 Nov 2025 – From PCR London Valves 2025

This session focuses on patient-tailored TAVI strategies for bicuspid and tricuspid aortic stenosis. It reviews recent comparative studies of TAVI devices, discusses the development of individualized TAVI programs for tricuspid aortic stenosis patients, and provides guidance on selecting optimal devices for those with bicuspid aortic valve...

Patient-tailored TAVI in bicuspid and tricuspid aortic stenosis

High-risk PCI in TAVI procedures

23 May 2025 – From EuroPCR 2025

This session highlights high-risk PCI in the context of TAVI procedures, including hybrid approaches for aortic stenosis with coronary disease, valve-in-valve scenarios, and unique anatomical challenges such as total situs inversus, emphasizing comprehensive patient management.

High-risk PCI in TAVI procedures

Valve choice - Shaping index procedures and lifetime patient management

22 May 2025 – From EuroPCR 2025

This session addresses recent advancements and ongoing challenges in transcatheter aortic valve implantation (TAVI), with a particular focus on valve selection during index procedures. Presentations include data from the Accurate IDE trial, highlighting the prognostic implications of valve underexpansion. A clinical case involving an 80-year-old patient with severe...

Valve choice - Shaping index procedures and lifetime patient management

TAVI in bicuspid: all you need to know

22 May 2025 – From EuroPCR 2025

Understand the unique anatomical and clinical challenges of transcatheter aortic valve implantation (TAVI) in bicuspid aortic valves. This session covers bicuspid valve epidemiology, indications for surgery and TAVI, and detailed discussion on sizing and deployment fundamentals specific to bicuspid anatomy to optimize procedural success.

TAVI in bicuspid: all you need to know

Clinical impact of TAVI frame under-expansion and optimisation strategies

07 Mar 2025

Watch this replay with C. Cook, M. Grygier, A. Khokhar and W-K. Kim to learn about the clinical importance of TAVI frame under-expansion, and so much more!

Zero-contrast TAVI while using a novel full-body embolic protection filter

26 Nov 2024 – From PCR London Valves 2024

Discover the latest advancements in zero-contrast TAVI through this case-based session. Learn when to consider a zero-contrast protocol, gain practical insights on performing the procedure, and explore a novel full-body embolic protection filter designed to enhance safety during transcatheter interventions.

Zero-contrast TAVI while using a novel full-body embolic protection filter

Featured cases - TAVI in unusual anatomical situations

26 Nov 2024 – From PCR London Valves 2024

Delve into a collection of TAVI cases in unusual anatomical situations, offering valuable insights for navigating complex scenarios. Discover successful percutaneous approaches to address conditions like bicuspid valves with membranous interventricular septum aneurysm, subaortic membrane, and pure aortic regurgitation in quadricuspid valves. Explore strategies for managing...

Featured cases - TAVI in unusual anatomical situations

TAVI innovations: latest breakthroughs from PCR London Valves 2024

24 Nov 2024 – From PCR London Valves 2024

Curious about the latest advancements shaping the future of TAVI? Don't miss this video which deliver insights from the PCR London Valves 2024 Late-Breaking Trials, diving into key topics that matter most in clinical practice.

Explore 5-year outcomes of AVR in low-risk patients stratified by annulus size,...

TAVI innovations: latest breakthroughs from PCR London Valves 2024

Optimisation of your valve implantation to ensure lifelong outcomes using a novel self-expanding valve

24 Nov 2024 – From PCR London Valves 2024

Gain insights into the importance of valve optimization post-implantation to secure acute and long-term outcomes. In this session, you will discover the new features and benefits of the ACURATE Prime platform illustrated by a recorded case, and compare how different TAVI platforms perform when treating larger...

Optimisation of your valve implantation to ensure lifelong outcomes using a novel self-expanding valve

Planning for a lifetime starts with choosing the right valve first: from first TAVI to redo-TAVI

15 May 2024 – From EuroPCR 2024

Watch this session to learn the best practices for treating aortic stenosis, with a focus on lifetime management. Gain insights into evaluating patient anatomy and clinical presentation to anticipate the need for a second valve, understand different valve designs and their initial selection, and observe a...

Planning for a lifetime starts with choosing the right valve first: from first TAVI to redo-TAVI

Late-breaking trials: TAVI head-to-head

14 May 2024 – From EuroPCR 2024

This session presents the latest findings from several late-breaking trials comparing different transcatheter aortic valve implantation (TAVI) approaches. Topics include outcomes in women with small aortic annuli, the comparison of percutaneous versus surgical treatment for patients with aortic stenosis and coronary disease, the impact of valve...

Late-breaking trials: TAVI head-to-head

Late-breaking trials on latest-generation aortic valves and dedicated transcatheter devices

20 Nov 2023 – From PCR London Valves 2023

Find out the outcomes of the main studies on the latest-generation valves and devices presented at PCR LV 2023 to better determine their benefits, performance and interest in the treatment of specific aortic pathologies: REACCESS-2 Study, ACURATE Neo2 PMCF post-market registry, OCEAN-TAVI registry, ShortCut Pivotal Study, and...

Late-breaking trials on latest-generation aortic valves and dedicated transcatheter devices

TAVI - Alternative access - Part 2

20 Nov 2023 – From PCR London Valves 2023

Delve into alternative access strategies in TAVI with this session: navigate through cases featuring complex aortic anatomy in TAVI patients, witness the innovative use of intravascular lithotripsy of the abdominal aorta to facilitate transcaval valve-in-valve TAVR and explore the technique of transseptal TAVR.

TAVI - Alternative access - Part 2

Rapid-fire - Challenging TAVI procedures - Part 1

19 Nov 2023 – From PCR London Valves 2023

Discover challenging TAVI procedures in this session, including: TAVI in a small aortic annulus with chimney stenting, TAVI with ACURATE Neo 2 and coronary protection in a horizontal aorta with low coronary height, simultaneous kissing balloon inflation technique for effective coronary protection during TAVI, and much...

Rapid-fire - Challenging TAVI procedures - Part 1

TAVI and beyond: tackling coronary challenges

19 Nov 2023 – From PCR London Valves 2023

Consult this session to gain a comprehensive understanding of the crucial role of coronary access post-TAVI, and the impact of TAV design and implantation technique on coronary access. Gain some insights into the intricacies of coronary accessibility from extensive bench test work and the impact of TAV design in...

TAVI and beyond: tackling coronary challenges

Inner curvature technique for the implantation of a balloon-expandable valve

24 Oct 2023

Find out more about this technique that allows smooth and controlled navigation across the aortic arch along the inner curvature, facilitating the advancement and positioning of the delivery system, and avoiding unnecessary scraping of the aortic wall.

Won-Keun Kim

Author

Won-Keun Kim

Valve-in-valve procedures - Part 2

18 May 2023 – From EuroPCR 2023

Embark on a captivating exploration of a challenging valve-in-valve case, where a non-retractable self-expandable aortic prosthetic valve presents a unique complication by deeply opening within the left ventricle, and witness the successful management of this complex scenario.

Valve-in-valve procedures - Part 2