Percutaneous mitral valve repair: leaflet & annuloplasty approaches · 2008-06-20 · Percutaneous...
Transcript of Percutaneous mitral valve repair: leaflet & annuloplasty approaches · 2008-06-20 · Percutaneous...
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Ted Feldman, M.D., FSCAITed Feldman, M.D., FSCAI
Percutaneous mitral valve repair: leaflet & annuloplasty approachesPercutaneous mitral valve repair: leaflet & annuloplasty approaches
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Ted Feldman MD, FACC, FSCAI
Disclosure Information
The following relationships exist:
Grant support: Abbott, Atritech, BSC, Cardiac Dimensions, Edwards, Evalve, Myocor, St Jude
Consultant: Abbott, Cardiac Dimensions, Coherex, Cordis, MyocorSpeaker: Boston Scientific
Off label use of products and investigational deviceswill be discussed in this presentation
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PercutaneousMitral Repair
Approaches
Coronary sinus annuloplasty• Edwards Monarc• Cardiac Dimensions Carillon• Viacor Shape Changing Rods • St. Jude Annulus Reshaping
Direct annuloplasty• Mitralign Suture-Based Plication• Guided Delivery Anchor-Cinch Plication• QuantumCor RF Annulus Remodeling • MiCardia variable size ring
Leaflet repair• EValve Mitraclip• Edwards Mobius stitch
Chamber + annular remodeling• Myocor iCoapsys• Ample PS3
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Lancet 1957
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Leaflet RepairAnnuloplasty
..DegenerativeProlapse
.FunctionalIschemic
.FunctionalCHF
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Evalve
Monarc Vaicor
Cardiac Dimensions
Ample PS3
Percutaneous Mitral Valve Therapies
>375
Evalveleaflet repair
CS annuloplasty
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CARILLON Mitral Contour System
The MONARC system Delayed Release-in situ
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LCx occlusion, pre-existing disease *Day 19
OM1 Occlusion &Day 551
Death (9)
MI (3)
Left Heart Failure due to MI &Day 552
Worsening for Cardiopulmonary DiseaseDay 280
Heart FailureDay 141
Multi-Organ System Failure – Post MV SurgeryDay 96
Pulmonary EmbolismDay 61
Fall Leading to Cranial Hemorrhage &Day 52
Bacterial infectionDay 51
Heart failureDay 24
ArrhythmiaDay 22
Distal Anchor Positioned at first Diagonal Branch *Day 16
Probable Cause: Use of non-J-Tip Guidewire *Day 6
Probable Cause: Use of non-J-Tip Guidewire *Day 1
CauseEvent
*Adjudicated as Device Related&Adjudication Pending
Cumulative MACE events
N=59 implants
TCT 2007
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Surgical isolated edge-to-edge mitral repair without annuloplasty
clinical proof of principle for an endovascular approach
Freedom from re-operation and 2+ MR
Maisano F, Vigano G, Blasio A, Columbo A, Calabrese C, Alfieri O
Eurointervention 2:181-186, 2006
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Percutaneous Mitral Repair
Caution: Investigational Device. Limited by Federal (US) Law to Investigational Use
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EVEREST Preliminary CohortSurgery Following Clip Procedure
N = 107
70%22%
8%
SURGERY FREE
75/107Median Follow-up
386 DaysSurgery After Clip Implanted (n = 23)• 16 (70%) Repairs (0 - 562 days)• 7 (30%) Replacements
Surgery After No Clip (n = 9)• 5 (56%) Repairs• 4 (44%) Replacements
66% Repaired SURGERY32/104
84% (21/25) attempted repairs successful64% (7/11) replacements planned (complex disease, age, co-morbidity)
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0 %
2 0 %
4 0 %
6 0 %
8 0 %
1 0 0 %
0 6 1 2 1 8 2 4 3 0 3 6 4 2
T im e (m o n th s )
Prob
abili
ty o
f Eve
nt F
ree
Clin
ical
Suc
cess
EVEREST Preliminary CohortEvent Free Clinical Success Kaplan-Meier
Acute Procedure Success Patients n = 81
Freedom From DeathFreedom From SurgeryFreedom From Death, Surgery and MR > 2+
99% 97% 96% 96% 96%
85%75%
67% 66%65% 63%
(81)(74)
(66) (48)(43) (37) (n)
84% 82%
92% 89%86%
Freedom from death, mitral valve surgery, & MR>2
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EVEREST Preliminary FMR Cohort:Event Free Clinical Success Kaplan-Meier
Acute Procedure Success Patients n=19
Freedom from death, mitral valve surgery, & MR > 2+
6 4 %6 7 %6 8 %6 9 %
7 5 %
8 5 %
7 4 %
8 4 %7 9 % 7 9 % 7 9 %
1 0 0 %
0 %
2 0 %
4 0 %
6 0 %
8 0 %
1 0 0 %
0 6 1 2 1 8 2 4 3 0 3 6 4 2
T im e (m o n th s )
Prob
abili
ty o
f Eve
nt F
ree
Clin
ical
Suc
cess
A ll A P S P a tie n tsF u n c tio n a l A P S P a tie n ts
(81) (74) (66) (48) (43) (37) (n)
(19) (15) (14) (8) (7) (6) (n)
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Surgery for Mitral Valve Disease Intention to treat reporting• Frequency of conversion to MVR highly variable
Severity of MR• Results better in moderate MR• Trials include more severe grades than usual practice
Core lab MR assessment• Challenges for MR grading substantial• Post-operative vs pre discharge vs 1 month
Endpoints • Recurrent MR not well characterized• Functional status difficult to characterize• Results not so great for functional MR
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7.410.6
23.3
58.7
-5
15
35
55
75
% M
R G
rade
(cor
e la
b)
Mitral valve surgery in heart failureInsights from the Acorn Clinical Trial
Baseline MR grade
Journal of Thoracic & Cardiovascular Surgery. 132(3):568-77, 577.e1-4, 2006
0 1+ 2+ 3-4+
41.3%
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High Risk :Inclusion CriteriaSTS surgical risk calculator ≥ 12% or judgment of surgeon investigator the patient is considered high risk due to one of the following:• Porcelain aorta or mobile ascending aortic atheoroma• Post-radiation mediastinum • Previous mediastinitis• Functional MR with EF<40• Over 75 years old with EF<40• Re-operation with patent grafts• Two or more prior chest surgeries• Hepatic cirrhosis• Three or more of the following STS high risk factors:
– Creatinine > 2.5 mg/dL– Prior chest surgery– Age over 75– EF<35
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Medical Decision MakingTechnique Metric
Eminence-based white hairVehemence-based level of stridencyEloquence-based smoothness of tongueProvidence-based religious fervorNervousness-based risk of litigationConfidence-based bravado (surgeons only)
Evidence-based Statistically-valid inferences from well-designed RCTs
Isaacs and Fitzgerald, BMJ 1999;319:1618Isaacs and Fitzgerald, BMJ 1999;319:1618
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EVEREST I & II Enrollment(3/20/08)
5912961
Roll-in Randomized ClipRandomized Surgery
EVEREST IIRandomized n=131
78High Risk Registry(completed)
EVEREST II
nPopulationEnrollment
382Total enrolled
55Registry patientsEVEREST IFeasibility (completed)
38 sites
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Retrograde-LV Direct Suture Annuloplasty
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The Myocor Surgical Coapsys System
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iCoapsys
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Interventionalist meets Valve Surgeon 1970-2000
Circa 2010