Download - Transcatheter Mitral Valve Implantation
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Transcatheter Mitral Valve Implantation
Lars Søndergaard, MD, MSc Department of Cardiology
Rigshospitalet Copenhagen, Denmark
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Multiple access routes
• Transfemoral successful FIH June 2012
• Transapical successful FIH May 2014
Controlled deployment • Multi-stage deployment
Accurate positioning • Self-positioning within native valve annulus
• Intra/supra annular placement to preserve
LV contractility and maximize LVOT area
Secure anchoring • Preserves native chordae and leaflets
• Anchoring without radial force
2
CardiAQ™ TMVR System
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Animal studies
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Clinical results
4 patients treated in Copenhagen: • All turned down for surgery and technically not
candidates for MitraClip
• TMVR on compassionate ground approved by DMA
No Date Gen Time Status
TF-1 2012/6 1 60 min Died day 3 (SIRS)
TA-1 2014/5 2 20 min Alive day 151
TA-2 2014/7 2 13 min Alive day 95
TA-3 2014/7 2 13 min Died day 9 (pneumonia)
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Patient #1 (TF)
• 86 years old male
• AHT, CABG, PCI
• NYHA-class IV
• Severe MR
• LVEF 45%, LVEDD 62 mm
• STS risk score 31% (mortality)
80% (morbidity & mortality)
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Annular dilatation & restricted PML
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Copenhagen manoeuvre
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Coaxial alignment
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Opening of ventricular anchors
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Secure capture of leaflets
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Deployed valve
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Valve after deployment
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Echocardiography Day 3
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Patient #2 (TA)
• 89 years old female, NYHA-class IIIB
• CABG, CKD
• Severe MR
• Aorto-mitral angle 79o
• LVEF 50%, LVEDD 56 mm
• STS risk score 36% (mortality)
77% (morbidity & mortality)
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chordae rupture with prolapse of AML
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Copenhagen manoeuvre Engaged in mitral apparatus Free run
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Capsule retrieval Flipping LV anchors
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Secure capture of both leaflets
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Final release
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Post-procedural imaging
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Patient #3 (TA)
• 79 years old male, NYHA-class IIIB
• AHT, PCI, Afib, CKD, COPD, PAH
• Severe MR
• Aorto-mitral angle 64o
• LVEF 55%, LVEDD 58 mm
• STS risk score 22% (mortality)
65% (morbidity & mortality)
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Annular dilatation & restricted PML
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Checking position Releasing valve
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Low position at aortic side
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Snare and pull frame from the aorta
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Corrected position
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Competent valve
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Day 68
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Patient #4 (TA)
• 80 years old female, NYHA-class IIIB
• CABG & PCI, Afib, CKD, COPD
• Severe MR
• Aorto-mitral angle 42o
• LVEF 35%, LVEDD 65 mm
• STS risk score 44% (mortality)
76% (morbidity & mortality)
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Annular dilatation
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Capsel closure Ventriculogram
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Post-procedural imaging
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Next steps for CardiAQ
• Gain more experience on both TF and TA TMVR procedure during compassionate cases
• CE mark trial anticipated to start by early 2015
• 100 patients at 10 sites
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Co-workers
Cardiologists • Nikolaj Ihlemann • Anders Jönsson • Olaf Franzen • Matthew Brooks • Luigi Biasco • Ole de Backer
Cardiothoracic surgeons • Susanne Holme • Peter Skov Olsen • Mariann Tang Jensen • Kim Terp
Anaesthesiologists • Peter Bo Hansen • Peter Hasse Møller • Annette Ulrich
Nurses • Birgit Lauridsen • Pia Mejding • Barbara Wulff
CardiAQ • Arshad Quadri • Brent Ratz
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Copenhagen FIH Team - 2012
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Issues for TMVI
• Access route
• Size of delivery system
• Steerability
• Anchoring
• Re-capture
• Anti-coagulation/platelet therapy
• Patient selection
• Role in spectrum of repair/replacement techniques