Petros Dardas
Latest contributions
TAVI-in-TAVI - Part 2
18 Nov 2025 – From PCR London Valves 2025
This session explores the evolving field of TAVI-in-TAVI interventions, presenting complex cases such as transfemoral TAVI-in-TAVI for degenerated transapical clip-fixed valves in transplanted hearts, management of very late TAVI migration in Bentall de Bono patients, TAVI for degenerated Evolut R valves, stepwise approaches to coronary protection...
TAVI valve-in-valve - Part 6
18 Nov 2025 – From PCR London Valves 2025
This session explores valve-in-valve TAVI procedures, addressing intricate cases such as triple valve scenarios, planning challenges in TAVI-in-TAVI, and overcoming obstacles in mitral valve-in-valve therapies. It also presents difficult cases involving dysfunctional stentless aortic bioprostheses and acute leaflet rupture during valve replacement, offering practical insights for...
Remove the shaft technique: tips and tricks
30 Jul 2025
When a rota burr stalls in a calcified artery, quick thinking and the right technique are critical. Discover a proven method to recover the burr safely and avoid surgery.
Author
Author
How to manage a stalled burr: tips and tricks
30 Jul 2025
A stalled rota burr is every operator’s nightmare — but being prepared can make all the difference. In this case, an 80-year-old patient with severe calcification in the proximal and mid LAD faces exactly that complication.
What’s your first step to safely retrieve the burr and complete...
Author
Author
Chronic coronary syndrome with low ejection fraction and left ventricle support
21 May 2025 – From EuroPCR 2025
This session examines the management of chronic coronary syndrome in patients with low ejection fraction, emphasizing the role of left ventricular support. Topics include risks of intracoronary imaging, pharmacological facilitation, mechanical circulatory support, and alternatives like LAVA-ECMO.
Featured cases - TAVI nightmares (Part 4)
26 Nov 2024 – From PCR London Valves 2024
This session, part of the Featured Cases series from PCR London Valves 2024, delves into the management of TAVI nightmares. Explore a range of complex and unexpected complications, such as left ventricular pseudo-aneurysm, suicide left and right ventricle, contained aortic annular rupture, and type A aortic...
Featured cases - TAVI in challenging anatomy
26 Nov 2024 – From PCR London Valves 2024
Delve into this captivating session showcasing TAVI in challenging anatomies from PCR London Valves 2024. Discover innovative techniques and strategies employed to overcome complex vascular access, including percutaneous large-bore access, transfemoral TAV-in-TAV with endoconduit, aorto-femoral bypass access, and the use of intravascular lithotripsy. Explore expert-level tips...
Featured cases - TAVI embolisation (Part 1)
24 Nov 2024 – From PCR London Valves 2024
Explore a captivating collection of featured TAVI cases from PCR London Valves 2024. Witness the management of complex complications such as valve embolization, retrograde migration, and coronary sequestration. Discover innovative percutaneous retrieval techniques, cases of multiple valves in TAVI, and strategies for handling acute valve migration...
Fighting with calcium is always a struggle
12 Sep 2024
Managing calcified lesions is always a challenge, and while rotablation is the default technique, other methods must sometimes be considered, especially for eruptive calcified nodules, such as Shockwave, OPN balloon, or orbital atherectomy.
Author
Author
Euro4C Team
19 Jun 2024
Discover the individuals driving the Euro4C Group, including the main board, national coordinators, research and education groups, and the dedicated editorial team!
Coronary issues before, during and after TAVI
16 May 2024 – From EuroPCR 2024
This session presents a series of challenging clinical cases highlighting the complex interplay between coronary artery disease and transcatheter aortic valve implantation (TAVI). Attendees will witness real-world scenarios, including high-risk PCI with concomitant severe aortic stenosis, the management of degenerated aortic bioprostheses with the risk of...
NSTEMI in patients in post CABG: a challenging combination
15 May 2024 – From EuroPCR 2024
This session focuses on the management of non-ST-elevation myocardial infarction (NSTEMI) in patients who have previously undergone coronary artery bypass grafting (CABG). Attendees will explore various case presentations and discussions on the challenges and treatment strategies for this complex clinical scenario, including the use of intravascular...
Rapid-fire - Challenging TAVI procedures - Part 2
20 Nov 2023 – From PCR London Valves 2023
TAVI in bicuspid anatomy - Part 1
19 Nov 2023 – From PCR London Valves 2023
Delve into the complexities of TAVI within bicuspid anatomy through this selection of cases: encounter a challenging scenario with a bicuspid aortic valve, where the ejection fraction is -14%, coupled with left ventricle thrombus and an aortic valve calcium score reaching 11,000, learn more about the...
Management of stent failures
18 May 2023 – From EuroPCR 2023
Join us as we navigate the complexities of stent failures in this session and explore the diverse strategies employed for successful outcomes: learn about the challenges posed by in-stent restenosis following chimney stenting during valve-in-valve TAVI, delve into the dilemma of underexpanded stent restenosis and weigh the...
TAVI in TAVI procedures
18 May 2023 – From EuroPCR 2023
Join us as we unravel the intricacies of TAVI within TAVI procedures in this session, exploring innovative approaches and techniques for challenging clinical situations: encounter the challenges posed by severe central aortic regurgitation following TAVR with unexpected valve degeneration, discover the management strategies for a degenerated transcatheter...
CTO challenging cases
18 May 2023 – From EuroPCR 2023
Consult this session if you want to know about appropriate criteria for CTO intervention, to learn tool kit essentials, and to learn about antegrade vs. retrograde approach, when and how.
Valve-in-valve procedures - Part 1
18 May 2023 – From EuroPCR 2023
Discover the innovative solutions offered by valve-in-valve procedures in this session: witness the successful application of this technique in a patient with heparin-induced thrombocytopenia, explore a captivating case series showcasing valve-in-valve TAVI in failed Perceval bioprostheses, delve into the complexities of TAVR in SAVR in IIIb type...
Paravalvular leak closure and ASD closure: mind the gaps, close the holes
16 May 2023 – From EuroPCR 2023
Increase your expertise: Explore a collection of case studies featuring complex scenarios such as percutaneous closure of paravalvular leaks, management of device embolization, severe hemolytic anemia with metallic MVR, and many more. Improve your skills by tackling challenging situations with precision and confidence. Join in.
Porcelain aorta, calcified aortic valve, and calcified left main: what comes first, the valve or the artery?
08 Nov 2022
How would you treat this 76-year-old male patient with severe AS symptomatic for angina, sinus rhythm with RBBB, previous bilateral CEA, and total occlusion of both the left CCA and the subclavian?
Author
Author
Author
Porcelain aorta, calcified aortic valve, and calcified left main. What comes first? Which valve?
05 Oct 2022
Watch the replay of this webinar to understand interpreting porcelain aorta, calcified aortic valve, and calcified left main...
Transcatheter solutions in complex valvular or structural scenarios - Part 1
17 May 2022 – From EuroPCR 2022
Watch these videos dedicated to transcatheter solutions in complex valvular or structural scenarios to discover a selection of challenging cases: downward dislocation of a TAVI valve into the left ventricle, failed aortic valve after ROSS procedure, and much more!
A case of severe aortic stenosis and severe calcified ostial RCA disease
01 Jun 2022
Techniques to manage simultaneously severe calcified aortic stenosis and severe heavily calcified ostial RCA disease combining TAVI and ROTABLATION.
Author
Author
Unusual situations during TAVI
21 Nov 2021 – From PCR London Valves 2021
Watch this PCR London Valves 2021 session to benefit from the experience of our speakers and discover, among others, ECMO assistance during TAVI in high-risk patient with recent COVID-19 pneumonia, bailout "balloon trapping technic" to facilitate crossing the aortic valve during TAVI, or how to manage residual...
CTO anterograde approach
28 Apr 2021 – From EuroPCR 2021
This session aims at helping you choose the right equipment for successfull anterograde CTO crossing, how not to neglect active and passive supports in CTO, appreciate antegrade dissection and re-entry (ADR), and more!
CTO tools, devices and techniques
14 Apr 2021 – From EuroPCR 2021
The Capture Technique, the intra-coronary Rendezvous Technique, a new technique for proximal cap penetration in a calcified CTO... Watch this session to get all the necessary tools to handle CTO!
Percutaneous valve interventions in emergent scenarios
22 Nov 2020 – From PCR Valves e-Course 2020
Learn more about percutaneous valve interventions in emergent scenarios: acute ischaemic MR with MitraClip NTR system, supra annular deployment of balloon-expandable THV in true bicuspid valve, TAVI in a patient with aortic insufficiency and LV assist device, and more!
PCR Valves e-Course 2020 best TAVI cases - session II
22 Nov 2020 – From PCR Valves e-Course 2020
- TAVI in stentless bioprosthesis: how to protect the coronaries. P. Dardas, Greece
- Intravascular lithotripsy-assisted balloon angioplasty to facilitate transfemoral TAVI. J. Morris, Ireland
- Management of RV pseudoaneurism after transcatheter tricuspid ViV implantation. C. Reddavid, Italy
- First-in-man use of the next-generation ProtEmbo cerebral embolic protection system during transcatheter aortic ViV...
Prevention and management of complications during valvular and structural interventions
26 Jun 2020 – From PCR e-Course 2020
Watch this case discussion to understand how to avoid complications, to assess how to recognise complications early and to identify how to handle complications scenarios.
This session was originally presented during PCR e-Course 2020.
Update on management of complex calcified coronary lesions
23 May 2019 – From EuroPCR 2019
Consult this session to discover updates on the management of complex calcified coronary lesions, to better understand which cases may be almost impossible to stent, to learn techniques to make stenting possible, and more!
