Seung-Jung Park MD PhDJung Park, MD, PhDsummitmd.com/pdf/pdf/8_4_SJPark.pdf · Seung-Jung Park MD...
Transcript of Seung-Jung Park MD PhDJung Park, MD, PhDsummitmd.com/pdf/pdf/8_4_SJPark.pdf · Seung-Jung Park MD...
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TAVIin AMC
Seung-Jung Park MD PhDSeung-Jung Park, MD, PhD
Professor of Medicine University of Ulsan College of MedicineProfessor of Medicine, University of Ulsan College of Medicine, Heart Institute, Asan Medical Center, Seoul, Korea
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Procedural StepsProcedural Steps
• Selection of patientSelection of patient• Selection of device • F l t• Femoral artery access• Retrograde wire crossing of AV• Device crossing of AV• Valve positioningValve positioning• Valve deployment• D i t i l• Device retrieval• Femoral artery closure
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Edwards SapienEdwards Sapien Balloon Expandable System, 18FSystem, 18F
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The Ugly,g y,With Old System (RF1,3)22-24F
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Device Embolism into the Aorta (RF1)
Early termination of rapid ventricular pacing mayEarly termination of rapid ventricular pacing may push up the device into the aorta.
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Device Embolism into the LV (RF1)
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The GoodThe Good,With New SystemWith New System18F8
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Successful !Edward NovaFlex
Successful !Edward NovaFlexEdward - NovaFlexEdward - NovaFlex
50%
50%
Perfect Position26mm Valve Perfect Position
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Successful !Edward NovaFlex
Successful !Edward NovaFlexEdward - NovaFlexEdward - NovaFlex
50%
50%
26mm Valve
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AMC TAVI RegistryAMC TAVI Registry
77 2 5 5A
N=34(RF1=5, RF3=5, NovaFlex=17, CoreValve=7)
25.5±7.8Logistic EuroSCORE, %77.2±5.5Age, years
I l t d l iImplanted valve size, mm23 mm 1726 mm 11 (2*)29 mm 5*
4Surgical closure31Transfemoral approach
Percutaneous closure 27Transapical approach 3
* CoreValve
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Old vs. New Delivery SystemOld vs. New Delivery SystemOld vs. New Delivery SystemOld vs. New Delivery SystemAMC RegistryAMC RegistryAMC RegistryAMC Registry
Characteristic PNovaFlexN=15
RF I or IIIN=9
0.2010088.9Procedural successProcedural success
MortalityMortality 0 0 -
Stroke 0 0 -
Permanent pacemaker 0 0 -
Vascular ComplicationAccess site 1 0 -Iliac artery perforation 1 0 -
Device Embolization 2 1 -
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The Bad,O l 1 C f Di t l E b liOnly 1 Case of Distal Embolism with NovaFlex
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50 to 50 V l P iti i
50 to 50 V l P iti iValve PositioningValve Positioning
50%
50%
50%
26mm Valve Perfect Position26mm Valve Perfect Position
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Perfect Positioning,B t
Perfect Positioning,B tBut…But…
50%
50%
Perfect Position 2 hours laterPerfect Position 2 hours later
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What we‘ve Learned
“ C ”“Device Positioning is Crucial”
The Rule of 50 to 50%The Rule of 50 to 50% is Not Always Right !
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Recommended Valve Positioning
50 to 50 50 to 50
Valve Positioning 50 to 50
Right50 to 50
Maybe Wrong
Heavy Calcium th L fl t on the Leaflets
Device Migration
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50 to 50 M b N t E h !May be Not Enough !
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Heavy Calcium N C Con Non-Coronary Cusp
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Heavy Calcium in 4D CTHeavy Calcium in 4D CT
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TEE showed Heavy CalciumTEE showed Heavy Calciumyin the Annulus base and Leaflets
yin the Annulus base and Leaflets
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Heavy Calcium on the Leaflets
Upper End of Leaflet Should Be Covered
50 to 50Ri ht
50 to 50W
70 to 30M b Ri htRight Wrong Maybe Right
Annulus Level
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AMC Experience
Prevention of Device Migration Device Migration
1 Coaxial alignment of Device is important1. Coaxial alignment of Device is important.2. Complete inflation of balloon is important. 3. However, you know that device in-deflator is
volume dependent (only 4 atm. in maximal i fl ti )inflation).
4. In some heavily calcified case, device should b iti d t l ifi d d fbe positioned upto calcified upper end of leaflets.
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60 to 40 in Routine ? 60 to 40 in Routine ?
60%40%
23mm Valve23mm Valve
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Medtronic CoreValveSelf Expanding18F
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CoreValve Without Pre-dilatation
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CoreValve CoreValve Without Pre-dilation
• TAVI using CoreValve without pre-dilation isTAVI using CoreValve without pre dilation is feasible and safe.
• Escape from hemodynamically unstable situation.
• Reduction of repeatedly diseased valve injury.
M d th i di ti f TAVI d d• May expand the indication of TAVI and reduce the complication.
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CoreValve Without Pre-dilatationCoreValve Without Pre-dilatationSymptomatic, aortic stenosis for TAVI
Medtronic CoreValve 26 and 29mmTransfemoralTransfemoral
15 International, multi-center, 2009~2010
Historical Control GroupIn the same group
With PredilationVS.Study Group
Without PredilationN 60
Post-Follo Up
N=126N=60
Post-procedural 30 d 12 mo
Follow-Up
Primary Endpoint: Safety at 30 daysPrimary Endpoint: Safety at 30 days
Secondary Endpoints: Procedural success, AV pressure gradient, paravalvular regurgitation, symmetricityp g g y y
Grube E, JACC Interv 2011; 4:751-7
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Procedural Results & 30-Day OutcomesProcedural Results & 30-Day OutcomesyyControl group
N 126Study group
N 60
0Valve migration81.7% (103)Technical success rate
N=126N=60
96.7% (58)0 0Valve migration
Conversion to surgeryPostdilation NA
05.6% (7)1.7% (1)
16 7% (10)Postdilation NA16.7% (10)
14 3% (18)All cause mortality 6 7% (4)Clinical Outcomes
5.6% (7)Myocardial infarction
14.3% (18)All-cause mortality
Stroke / TIA
6.7% (4)0
11 9% (15)5 0% (3)Stroke / TIA
Need for permanent pacemaker 27.8% (35)
11.9% (15)5.0% (3)
11.7% (10) Vascular access problem 9 5% (12)10 0% (6)Vascular access problem 9.5% (12)10.0% (6)
Grube E, JACC Interv 2011; 4:751-7
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Valve Positioning is Valve Positioning is Still Crucial !Still Crucial !
Implantable range is 8 mm
4 64-6 mm
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CoreValve With t P dil tiWithout Pre-dilation
4-6 mm
29mm Valve Perfect Position
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Too High Too High
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Too LowToo Low
Complete AV block -> Permanent Pacemaker
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PerfectPerfectPositioningPositioning
29mm Valve29mm Valve
Complete AV block -> Permanent Pacemaker
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Complete AV Block Complete AV Block Complete AV Block is Still Problem (25%) !
Complete AV Block is Still Problem (25%) !is Still Problem (25%) !is Still Problem (25%) !
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TAVI 2012Future Perspectives
• Valve performance has exceeded• Valve performance has exceeded expectations, BUT need long-term d bilit d t
In the next 10 years, most durability data.
• Considerations for the future – further
y ,patients with severe AS requiring AVR will be treated using TAVI !Considerations for the future further device evolution, judicious extension into lower risk patient categories and careful
AVR will be treated using TAVI !
lower risk patient categories, and careful cost-effectiveness assessments.