Download - What's New in Cardiac
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What’s new in What’s new in Cardiac?Cardiac?WatchmanWatchman
Chris Saraceno, DNAP, CRNAChris Saraceno, DNAP, CRNANCANA District 3 & 4 MeetingNCANA District 3 & 4 Meeting
February 4February 4thth, 2017, 2017
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disclaimersdisclaimers• NONENONE
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Watchman Watchman boston Scientificboston Scientific
• Atrial fibrillationAtrial fibrillation• Most common cardiac arrythmiaMost common cardiac arrythmia
• Morbidity & mortality of AFibMorbidity & mortality of AFib• Strokes Strokes
• 15-20% of CVAs from Afib15-20% of CVAs from Afib• ~30% CVAs in persons > 80 y.o.~30% CVAs in persons > 80 y.o.
• Particularly devastatingParticularly devastating• Large emboliLarge emboli
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Major culpritMajor culprit• Purpose of the LAAPurpose of the LAA
• Contribute to atrial kickContribute to atrial kick• Loss of this function in AfibLoss of this function in Afib
• Atrial natriuretic peptide (ANP)Atrial natriuretic peptide (ANP)
• Reason for clot formation in the LAAReason for clot formation in the LAA• Shape of LAAShape of LAA
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Major culpritMajor culprit
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LAA MorphologyLAA Morphology• A. Chicken wingA. Chicken wing
• B. WindsockB. Windsock• Most suitable for Most suitable for
WatchmanWatchman
• C. C. Broccoli/cauliflowerBroccoli/cauliflower
• D. CactusD. Cactus
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Prevention of strokes Prevention of strokes from AFibfrom AFib
• Stop the arrythmia:Stop the arrythmia:• Medical regimen Medical regimen
• antiarrythmicsantiarrythmics• Radiofrequency Ablation (RFA)Radiofrequency Ablation (RFA)
• Problem:Problem:• Typically, Afib is not eradicated with either Typically, Afib is not eradicated with either
treatmenttreatment• ACC Guidelines do not recommend d/c of oral ACC Guidelines do not recommend d/c of oral
anticoagulants (OAC)anticoagulants (OAC)
** decreased risk of CVA in patients with RFA than ** decreased risk of CVA in patients with RFA than withoutwithout
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Prevention of strokes from Prevention of strokes from AFibAFib
• AnticoagulantsAnticoagulants• Warfarin-standard of careWarfarin-standard of care
• Drug interactionsDrug interactions• Risk of bleedingRisk of bleeding• Narrow therapeutic rangeNarrow therapeutic range• Frequent blood testingFrequent blood testing• Poor compliancePoor compliance
• Diet restrictions due to food interactionsDiet restrictions due to food interactions
• Pradaxa®, Xarelto®, Eliquis®Pradaxa®, Xarelto®, Eliquis®• Risk of bleedingRisk of bleeding• No antidoteNo antidote
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Prevention of strokes from Prevention of strokes from AFibAFib
Stroke RiskStroke Risk• CHACHA22DSDS22-VASc -VASc
• CHF hxCHF hx• HTN hxHTN hx• Age Age
• 65-74 65-74 • >> 75 75 22
• DMDM22
• Stroke/TIA/TE hxStroke/TIA/TE hx22
• Vascular diseaseVascular disease
BleedingBleeding Risk Risk• HAS-BLEDHAS-BLED• HTNHTN• AbnAbn
• Renal fxnRenal fxn• Liver fxnLiver fxn
• StrokeStroke• BleedingBleeding• Labile INRsLabile INRs• Elderly: Age>65Elderly: Age>65• DrugsDrugs
• Alcohol Alcohol **Prevention needs to weigh risk vs benefit
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Prevention of strokes from Prevention of strokes from AFibAFib
Stroke RiskStroke Risk• CHACHA22DSDS22-VASc-VASc
Bleeding RiskBleeding Risk• HAS-BLEDHAS-BLED
Score
Risk of bleeding
0-1 Low risk (1.1%)2 Intermediate risk (1.9%)>3 High risk (4.9%)
Score
Risk of Stroke
0 Low risk (0%)1 Intermediate risk (0.6%)>1 High risk (3%)
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Prevention of strokesPrevention of strokes
• LAA closureLAA closure• SurgicalSurgical
• Atriclip deviceAtriclip device• CPBCPB
• Flaccid heartFlaccid heart
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Watchman Watchman DeviceDevice
FDA approved in FDA approved in 20152015
For non-valvular For non-valvular AFibAFib
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WatchmanWatchman• Patient considerationsPatient considerations
• Non-valvular AfibNon-valvular Afib• High stroke risk score*High stroke risk score*
• CHACHA22DSDS22-VASc-VASc• High bleeding risk score*High bleeding risk score*
• HAS-BLEDHAS-BLED
*high stroke AND bleeding risk score = most *high stroke AND bleeding risk score = most suitablesuitable
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Watchman Watchman preprocedurepreprocedure
• CTCT• AngiographyAngiography
• ShapeShape• Orifice sizeOrifice size• DepthDepth• Width Width
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Watchman: Watchman: procedureprocedure
• AccessAccess• Femoral veinFemoral vein
• TranseptalTranseptal
• GA/MACGA/MAC
• TEETEE
• Fluoroscopic Fluoroscopic
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WATCHMAN: WATCHMAN: • Healing:Healing:
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Watchman: Watchman: Anesthetic considerationsAnesthetic considerations
• Cath labCath lab• EPs or interventional cardiologistsEPs or interventional cardiologists
• TranseptalTranseptal• AnticoagulantsAnticoagulants• Complications Complications
• Procedural strokeProcedural stroke• Pericardial effusionPericardial effusion• Air embolismAir embolism• Cardiac perforationCardiac perforation• Device embolizationDevice embolization• Vascular Vascular
• Bleeding, hematoma, pseudoaneurysmBleeding, hematoma, pseudoaneurysm
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Amplatzer, Amplatzer, St jude medicalSt jude medical
• Amplatzer Amplatzer
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Amplatzer, Amplatzer, St jude medicalSt jude medical
• Amplatzer Cardiac Amplatzer Cardiac PlugPlug
• Amplatzer AmuletAmplatzer Amulet
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Other devicesOther devices•Coherex Wavecrest LAA occluderCoherex Wavecrest LAA occluder•Still others:Still others:
• OCCLUTECH LAA OCCLUDEROCCLUTECH LAA OCCLUDER• LIFETECH LAA OCCLUDER: LambreLIFETECH LAA OCCLUDER: Lambre• Cardia ultrasept LAA OCCLUDERCardia ultrasept LAA OCCLUDER• AEGIS-ECG guided LAA capture and AEGIS-ECG guided LAA capture and
ligation systemligation system• EPITEK- fiberoptic endoscope EPITEK- fiberoptic endoscope
mediatedmediated
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LARIAT™LARIAT™• LARIAT™ DeviceLARIAT™ Device• SentreheartSentreheart
• Redwood City, CARedwood City, CA
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Post watchmanPost watchman• Oral anticoagulants**Oral anticoagulants**• Dual antiplatelet therapyDual antiplatelet therapy
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TAVRTAVRTranscatheter Aortic Valve Transcatheter Aortic Valve
ReplacementReplacement
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AORTIC valveAORTIC valve• Valve areaValve area
• Normal: 2.6-3.5 cmNormal: 2.6-3.5 cm22
• Moderate: 1-1.5 cmModerate: 1-1.5 cm22 • Severe: <1.0 cmSevere: <1.0 cm22
• Pressure gradientPressure gradient• Normal: < 10 mmHgNormal: < 10 mmHg• Moderate: 0.6-0.85 mmHgModerate: 0.6-0.85 mmHg• Severe: < 0.6 mmHgSevere: < 0.6 mmHg
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Aortic stenosisAortic stenosis• Mortality with onset Mortality with onset
of symptoms:of symptoms:• Angina: first symptom Angina: first symptom
in 2/3 ptsin 2/3 pts• < 5 yrs< 5 yrs
• Syncope: first symptom Syncope: first symptom in 15-30% of ptsin 15-30% of pts• 3-4 yr life 3-4 yr life
expenctancyexpenctancy• CHFCHF
• 1-2 yr life 1-2 yr life expenctancyexpenctancy
• Risk of sudden cardiac Risk of sudden cardiac deathdeath
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Aortic valve Repair/replacementAortic valve Repair/replacement
• Current treatmentCurrent treatment• Gold standard: AVRGold standard: AVR• Morbidity and mortalityMorbidity and mortality
• Non-surgical candidates?Non-surgical candidates?
• PARTNER TRIALPARTNER TRIAL• Placement of Aortic Transcatheter ValvesPlacement of Aortic Transcatheter Valves
• Superior to standard therapy Superior to standard therapy • Equivalent to surgery in high-risk patientsEquivalent to surgery in high-risk patients
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Sapien/sapien xtSapien/sapien xt• Edwards LifesciencesEdwards Lifesciences
• First human implant 2002First human implant 2002• FDA approved 2011 FDA approved 2011
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corevalvecorevalve
• Medtronic Medtronic • Self-expandingSelf-expanding
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Pre-procedure evalPre-procedure eval• EchoEcho
• ANNULUS SIZEANNULUS SIZE• CalcificationCalcification• Severity of ASSeverity of AS• Other valve diseaseOther valve disease
• AngiographyAngiography• Vascular surrounding aortic valve **aortaVascular surrounding aortic valve **aorta
• Heart cathHeart cath• Pulmonary HTN?Pulmonary HTN?• CAD?CAD?
• CTCT• IliacsIliacs• Femorals Femorals
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Sapien/sapien xtSapien/sapien xt
Valve Sheath Minimal arteral diameter
Sapien 23 mm 22 F 7 mm26 mm 24 F 8 mm
Sapien XT 23 mm 18 F 6 mm26 mm 19 F 6.5 mm
Edwards Lifesciences
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Tavr procedure: Tavr procedure: femoral femoral approachapproach
• PrepPrep
• TimeoutTimeout
• EquipmentEquipment
• AntibioticAntibiotic
• Access Access
• Femoral arterial accessFemoral arterial access• Aortic angiographyAortic angiography
• Femoral venous accessFemoral venous access• Pacer wire in right ventriclePacer wire in right ventricle
• Rapid ventricular pace @ Rapid ventricular pace @ 180-200 bpm180-200 bpm
• Heparinize prior to Heparinize prior to traversing aortic valvetraversing aortic valve
• Valvuloplasty with rapid Valvuloplasty with rapid pacingpacing
• DeliveryDelivery
• Balloon deflated & Balloon deflated & withdrawnwithdrawn
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Tavr procedure: Tavr procedure: femoral femoral approachapproach
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ApproachesApproaches
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ApproachesApproaches• TransaxillaryTransaxillary
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Hybrid orHybrid or
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Tavr complicationsTavr complications• Structural failure-rareStructural failure-rare• Vascular injury/ perforationVascular injury/ perforation
• Iliacs, femorals, aortaIliacs, femorals, aorta• RETROPERITONEAL BLEEDRETROPERITONEAL BLEED• IVUSIVUS
• ThrombusThrombus• Heparinize, ACT 250-300 seconds, check q Heparinize, ACT 250-300 seconds, check q
30 minutes30 minutes
• Cerebral embolizationCerebral embolization
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Tavr complicationsTavr complications• Acute coronary obstructionAcute coronary obstruction
• Displaced native valveDisplaced native valve• Device Device • Coronary ostia not far from aortic Coronary ostia not far from aortic
valvevalve• even smaller in AS ptseven smaller in AS pts
** Left main: CPB, device ** Left main: CPB, device explantation, AVRexplantation, AVR
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Tavr complicationsTavr complications• Mitral valve injuryMitral valve injury
• Impede anterior Impede anterior leaflet of mitral valve leaflet of mitral valve
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Tavr complicationsTavr complications• Annular and aortic root Annular and aortic root
rupture/dissectionrupture/dissection• Device too largeDevice too large• Risk increases with manipulation of deviceRisk increases with manipulation of device
• Perivalvular regurgitationPerivalvular regurgitation• Inappropriate sizing- too smallInappropriate sizing- too small
• * embolize device* embolize device• Malposition (valve in valve)Malposition (valve in valve)• Under expansion of deviceUnder expansion of device
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Tavr complicationsTavr complications• AV blockAV block
• 1.8-8.5%1.8-8.5%• AnnuloplastyAnnuloplasty• RBBB- increases RBBB- increases
risk of AV blockrisk of AV block
• Pacemaker Pacemaker
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Tavr complicationsTavr complications• Cardiac perforation & tamponadeCardiac perforation & tamponade
• Echo-pericardiocentesisEcho-pericardiocentesis
• Emolization of deviceEmolization of device• Into LV- fatalInto LV- fatal• Inverted valve - fatalInverted valve - fatal
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Tavr complicationsTavr complications• Cardiogenic shockCardiogenic shock
• Patients with severe Patients with severe LV dysfxn + rapid LV dysfxn + rapid pacingpacing
• Muscle collapsesMuscle collapses• ? fluid? fluid
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Anesthetic Anesthetic considerationsconsiderations
• GA vs MAC*GA vs MAC*• TEETEE• APPROACHAPPROACH
• 2 lg bore IVs2 lg bore IVs• Arterial lineArterial line• 2 pacers2 pacers• VasopressorsVasopressors• Cardiac CRNACardiac CRNA• Cardiac anesthesiologistCardiac anesthesiologist
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Anesthetic Anesthetic considerationsconsiderations
• TransapicalTransapical• Requires GARequires GA• Left thoracotomyLeft thoracotomy• Double lumen tubeDouble lumen tube
• Transaortic/ Transaortic/ transaxillarytransaxillary• Requires GARequires GA• Double lumen tube/BBDouble lumen tube/BB
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Anesthetic Anesthetic considerationsconsiderations
• OR staffOR staff• Cath lab staffCath lab staff• CPB machineCPB machine• FluoroFluoro• PerfusionPerfusion• 3 big dogs3 big dogs
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PARTNER IIA TRIALPARTNER IIA TRIAL• December 2011-December 2011-
November 2013November 2013
• Severe ASSevere AS
• Intermediate riskIntermediate risk
• 1011 patients1011 patients
• RandomizedRandomized
• 57 centers in U.S. 57 centers in U.S. and Canadaand Canada
• Results:Results:• Pacemaker Pacemaker
requirementsrequirements• No change from No change from
PARTNER TrialPARTNER Trial• Aortic regurgitationAortic regurgitation
• 3.7%3.7%• Not related to Not related to
adverse outcomesadverse outcomes
2016 FDA approves Sapien XT & Sapien 3 for intermediate risk
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Sapien 3Sapien 3• Base on data from Base on data from
PARTNER II TrialPARTNER II Trial
• Paravalvular leakParavalvular leak
• Skirt of fabric at Skirt of fabric at base of devicebase of device
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VARCVARC• VALVE ACADEMIC RESEARCH VALVE ACADEMIC RESEARCH
CONSORTIUMCONSORTIUM
• Complications Complications • Stroke & TIAsStroke & TIAs• ARAR• Vascular access complicationsVascular access complications• Conduction system disturbancesConduction system disturbances• Coronary artery occlusionCoronary artery occlusion• ARFARF
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MitraClipMitraClip™™ abbott Vascularabbott Vascular
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Mitral regurgitationMitral regurgitationMost common insufficient valve disease
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Current therapyCurrent therapy• Mitral repairMitral repair
• Low risk mortality: 1.4%Low risk mortality: 1.4%• Hight risk mortality/ age > 80: 11%Hight risk mortality/ age > 80: 11%
• Mitral replacementMitral replacement• Low risk mortality: 1.6%Low risk mortality: 1.6%• Hight risk mortality/ age > 80: 18.9%Hight risk mortality/ age > 80: 18.9%
• EVEREST TRIALEVEREST TRIAL• EndoVascular Edge- to-Edge REpair StudyEndoVascular Edge- to-Edge REpair Study
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Alfieri procedureAlfieri procedure
• SurgicalSurgical• Alfieri suture MV repair techniqueAlfieri suture MV repair technique
• Annuloplasty Annuloplasty • Anterior and posterior leaflets Anterior and posterior leaflets
• SternotomySternotomy• CPBCPB
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Alfieri Alfieri procedureprocedure
Anterior 2 leaflet Anterior 2 leaflet A2A2
Posterior leaflet Posterior leaflet P2P2
Figure 8Figure 8
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Mitraclip, Mitraclip, Abbott vascularAbbott vascular
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Patient selectionPatient selection• Moderate to severe MRModerate to severe MR
• Non-surgical candidatesNon-surgical candidates
• Excessive co-morbiditiesExcessive co-morbidities
• Valve:Valve:• Mitral valve orifice area < 4 Mitral valve orifice area < 4
cmcm22
• Degenerative MR: flail Degenerative MR: flail height/ widthheight/ width
• Functional MR: grasping Functional MR: grasping areaarea
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exclusionexclusion• Recent MIRecent MI• MR with rheumatic heart diseaseMR with rheumatic heart disease• EndocarditisEndocarditis• Abnormal leafletAbnormal leaflet
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procedureprocedure• Prep, time-outPrep, time-out
• Access femoral veinAccess femoral vein
• Transeptal punctureTranseptal puncture• Heparin, ACT >250, check q 30 Heparin, ACT >250, check q 30
minmin
• Steerable Guide catheter Steerable Guide catheter (SGC)(SGC)
• Clip Delivery SystemClip Delivery System
• Mitraclip above mitral valveMitraclip above mitral valve
• Mitral clip into LVMitral clip into LV
• Grasp leafletsGrasp leaflets
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procedureprocedure
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procedureprocedure
• AssessAssess• Echo & fluoroEcho & fluoro• MR < 2+MR < 2+• Improved COImproved CO• Decreased wedgeDecreased wedge• Decreased LVEDV Decreased LVEDV
pressurepressure
• Mitraclip releaseMitraclip release• Position and reduction Position and reduction
in MR satisfactoryin MR satisfactory• Reposition Reposition • Second clipSecond clip
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complicationscomplications• Tear mitral leaflet(s)Tear mitral leaflet(s)
• Worsen MRWorsen MR
• Mitral stenosisMitral stenosis• Acute or chronicAcute or chronic
• Clip surfaces endothelialize Clip surfaces endothelialize
• Create an atrial-septal defectCreate an atrial-septal defect• Rupture of atrial wallsRupture of atrial walls• Cardiac tamponadeCardiac tamponade
• Echo-guided pericardiocentesisEcho-guided pericardiocentesis
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Anesthetic Anesthetic considerationsconsiderations
• GAGA• 2 large bore IVs2 large bore IVs• Arterial lineArterial line• VasopressorsVasopressors
• Phenylephrine vs ephedrinePhenylephrine vs ephedrine• ? fluids? fluids
• Patient Patient • LV dysfxnLV dysfxn• Pulmonary HTNPulmonary HTN• ? Afib? Afib
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Cath lab/ hybrid ORCath lab/ hybrid OR
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FutureFuture• EVEREST II TrialEVEREST II Trial
• 20152015• 5 year follow up:5 year follow up:
• If intervention required (surgery): first 6 If intervention required (surgery): first 6 monthsmonths
• After 1 year- cardiac remodelingAfter 1 year- cardiac remodeling• Clinical outcomes similar to surgical Clinical outcomes similar to surgical
approachapproach• ** greater level of safety** greater level of safety