Christopher Allen

Interventional cardiologist / Cardiologist
St Thomas' Hospital - London, United Kingdom

Latest contributions

SPOTLIGHT: Standardised definitions for clinical and imaging endpoints after surgical and transcatheter valve intervention

In this presentation from PCR London Valves 2017, A. Baumbach, D. Capodanno, A. Lansky, M.B. Leon and N. Piazza focus on the durability, structural deterioration and valve failure, the neurological adverse events and on what really matters in clinical and patient-reported endpoints after surgical and transcatheter valve interventions.

Beyond guidelines - Emerging indications for TAVI

26 Sep 2017 – From PCR London Valves 2017

Consult this session to be updated with the latest news on TAVI, in particular in asymptomatic patients and aortic stenosis and find out the pro and contra arguments for the extension of the indications.

A tricuspid valve-in-valve

25 Sep 2017 – From PCR London Valves 2017

Consult this session on tricuspid valve-in-valve with LIVE demonstration from St Thomas' Hospital London, UK on a 87-year-old female patient.

Clinical case

A 87-year-old female with tricuspid valve replacement in 2014:

Signs of severe tricuspid regurgitationJugular accessSapien 3 valve implantationTTE assessment

TAVI in 2016: the year the treatment of aortic stenosis was transformed

18 Sep 2016 – From PCR London Valves 2016

Chairperson

Gino Gerosa
Prof. Stefan Windecker

Chairperson

Stephan Windecker

LIVE demonstration: Mitral valve-in-ring implantation via transapical approach

19 Sep 2016 – From PCR London Valves 2016

Consult this session video if you want to learn more about mitral valve-in-ring implantation via transapical approach, which includes a LIVE demonstration from St. Thomas' Hospital - London, United Kingdom.

Clinical case

A 43-year-old young male with mechanical AVR and physio mitral ring:

Mitral regurgitation and stenosisTransapical approachTEE guidance for valve positioning and final assessment
Michael Haude

Chairperson

Michael Haude
Khung Keong Yeo

Chairperson

Khung Keong Yeo

Mitral valve anatomy: implications for percutaneous interventions

19 Sep 2016 – From PCR London Valves 2016

Michael Haude

Chairperson

Michael Haude
Khung Keong Yeo

Chairperson

Khung Keong Yeo

Advanced imaging modalities to guide transcatheter valve interventions

18 Sep 2016 – From PCR London Valves 2016

Dr. Victoria Delgado

Chairperson

Victoria Delgado
N. Van Mieghem

Chairperson

Nicolas Van Mieghem

Driving excellent patient outcomes today and tomorrow

20 Sep 2016 – From PCR London Valves 2016

Chairperson

Jeffrey J. Popma
Dr. Didier Tchétché

Chairperson

Didier Tchétché

Technical challenges in percutaneous mitral edge-to-edge repair: learning from difficult cases

20 Sep 2016 – From PCR London Valves 2016

Ted Feldman

Chairperson

Ted Feldman
Georg Nickenig

Chairperson

Georg Nickenig

LIVE demonstration: Mitral valve-in-valve implantation via transseptal approach

19 Sep 2016 – From PCR London Valves 2016

Consult this session video if you want to learn more about mitral valve-in-valve implantation via transseptal approach, which includes a LIVE demonstration from Clinique Pasteur - Toulouse, France.

Clinical case

A 76-year-old female stenotic degenerescence mitral bioprosthesis:

Transseptal approachTEE guidance for valve positioning
Thierry Lefèvre

Chairperson

Thierry Lefèvre
Dr. Christoph K. Naber

Chairperson

Christoph K. Naber

LIVE demonstration: Tricuspid valve-in-valve implantation via minimal surgical access

19 Sep 2016 – From PCR London Valves 2016

Consult this session video if you want to learn more about a tricuspid valve-in-valve implantation via minimal surgical access, which includes a LIVE demonstration from St. Thomas' Hospital - London, United Kingdom.

Clinical case

A 81-year-old male with biological tricuspid valve:

Severe tricuspid stenosisFailure of redo surgery and transcatheter approachMini surgical accessValve positioning with TEE guidance
Thierry Lefèvre

Chairperson

Thierry Lefèvre
Dr. Christoph K. Naber

Chairperson

Christoph K. Naber